xref: /llvm-project-15.0.7/llvm/test/Transforms/LoopVectorize/reduction-predselect.ll (revision 9df0b254)

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue -prefer-predicated-reduction-select -dce -instcombine -S | FileCheck %s

target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"

define i32 @reduction_sum_single(i32* noalias nocapture %A) {
; CHECK-LABEL: @reduction_sum_single(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP5:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP6]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP7:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP7]]
; CHECK-NEXT:    [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <4 x i32> [[TMP5]], i32 [[TMP9]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP11:%.*]] = phi <4 x i32> [ [[TMP5]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP10]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP12]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP13:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP13]]
; CHECK-NEXT:    [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
; CHECK-NEXT:    [[TMP16:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP15]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP17:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP16]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP18]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP19:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP19]]
; CHECK-NEXT:    [[TMP21:%.*]] = load i32, i32* [[TMP20]], align 4
; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP21]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP23:%.*]] = phi <4 x i32> [ [[TMP17]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP22]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP24:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP23]], <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP25]] = add <4 x i32> [[VEC_PHI]], [[TMP24]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP27:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
; CHECK:       .lr.ph:
; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK:       ._crit_edge:
; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
;
entry:
  br label %.lr.ph

.lr.ph:                                           ; preds = %entry, %.lr.ph
  %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
  %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
  %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l3 = load i32, i32* %l2, align 4
  %l7 = add i32 %sum.02, %l3
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
  ret i32 %sum.0.lcssa
}

define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_sum(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP43:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load i32, i32* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP29]], i32 [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x i32> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND]]
; CHECK-NEXT:    [[TMP41:%.*]] = add <4 x i32> [[TMP40]], [[TMP38]]
; CHECK-NEXT:    [[TMP42:%.*]] = add <4 x i32> [[TMP41]], [[TMP39]]
; CHECK-NEXT:    [[TMP43]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP42]], <4 x i32> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP44:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP44]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP45:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP43]])
; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
; CHECK:       .lr.ph:
; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK:       ._crit_edge:
; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
;
entry:
  br label %.lr.ph

.lr.ph:                                           ; preds = %entry, %.lr.ph
  %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
  %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
  %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l3 = load i32, i32* %l2, align 4
  %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
  %l5 = load i32, i32* %l4, align 4
  %l7 = add i32 %sum.02, %indvars.iv
  %l8 = add i32 %l7, %l3
  %l9 = add i32 %l8, %l5
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
  ret i32 %sum.0.lcssa
}

define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_prod(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load i32, i32* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP29]], i32 [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x i32> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = mul <4 x i32> [[VEC_PHI]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = mul <4 x i32> [[TMP40]], [[TMP39]]
; CHECK-NEXT:    [[TMP42]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP41]], <4 x i32> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
; CHECK:       .lr.ph:
; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK:       ._crit_edge:
; CHECK-NEXT:    [[PROD_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[PROD_0_LCSSA]]
;
entry:
  br label %.lr.ph

.lr.ph:                                           ; preds = %entry, %.lr.ph
  %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
  %prod.02 = phi i32 [ %l9, %.lr.ph ], [ 1, %entry ]
  %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l3 = load i32, i32* %l2, align 4
  %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
  %l5 = load i32, i32* %l4, align 4
  %l8 = mul i32 %prod.02, %l3
  %l9 = mul i32 %l8, %l5
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  %prod.0.lcssa = phi i32 [ %l9, %.lr.ph ]
  ret i32 %prod.0.lcssa
}

define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_and(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 -1, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load i32, i32* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP29]], i32 [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x i32> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = and <4 x i32> [[VEC_PHI]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = and <4 x i32> [[TMP40]], [[TMP39]]
; CHECK-NEXT:    [[TMP42]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP41]], <4 x i32> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi i32 [ %and, %for.body ], [ -1, %entry ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l0 = load i32, i32* %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
  %l1 = load i32, i32* %arrayidx2, align 4
  %add = and i32 %result.08, %l0
  %and = and i32 %add, %l1
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi i32 [ %and, %for.body ]
  ret i32 %result.0.lcssa
}

define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_or(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load i32, i32* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP29]], i32 [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x i32> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = add nsw <4 x i32> [[TMP39]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP40]], <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP42]] = or <4 x i32> [[VEC_PHI]], [[TMP41]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l0 = load i32, i32* %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
  %l1 = load i32, i32* %arrayidx2, align 4
  %add = add nsw i32 %l1, %l0
  %or = or i32 %add, %result.08
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi i32 [ %or, %for.body ]
  ret i32 %result.0.lcssa
}

define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_xor(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load i32, i32* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP29]], i32 [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x i32> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = add nsw <4 x i32> [[TMP39]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP40]], <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP42]] = xor <4 x i32> [[VEC_PHI]], [[TMP41]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi i32 [ %xor, %for.body ], [ 0, %entry ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l0 = load i32, i32* %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
  %l1 = load i32, i32* %arrayidx2, align 4
  %add = add nsw i32 %l1, %l0
  %xor = xor i32 %add, %result.08
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi i32 [ %xor, %for.body ]
  ret i32 %result.0.lcssa
}

define float @reduction_fadd(float* nocapture %A, float* nocapture %B) {
; CHECK-LABEL: @reduction_fadd(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load float, float* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load float, float* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x float> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x float> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load float, float* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x float> [[TMP8]], float [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load float, float* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x float> [[TMP9]], float [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x float> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x float> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load float, float* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x float> [[TMP18]], float [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load float, float* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x float> [[TMP19]], float [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x float> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x float> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load float, float* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x float> [[TMP28]], float [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load float, float* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x float> [[TMP29]], float [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x float> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x float> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = fadd fast <4 x float> [[VEC_PHI]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = fadd fast <4 x float> [[TMP40]], [[TMP39]]
; CHECK-NEXT:    [[TMP42]] = select fast <4 x i1> [[TMP0]], <4 x float> [[TMP41]], <4 x float> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float -0.000000e+00, <4 x float> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret float [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi float [ %fadd, %for.body ], [ 0.0, %entry ]
  %arrayidx = getelementptr inbounds float, float* %A, i32 %indvars.iv
  %l0 = load float, float* %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds float, float* %B, i32 %indvars.iv
  %l1 = load float, float* %arrayidx2, align 4
  %add = fadd fast float %result.08, %l0
  %fadd = fadd fast float %add, %l1
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi float [ %fadd, %for.body ]
  ret float %result.0.lcssa
}

define float @reduction_fmul(float* nocapture %A, float* nocapture %B) {
; CHECK-LABEL: @reduction_fmul(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x float> [ <float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load float, float* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x float> poison, float [[TMP3]], i64 0
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = load float, float* [[TMP5]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x float> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP9:%.*]] = phi <4 x float> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP10]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP11:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP13:%.*]] = load float, float* [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x float> [[TMP8]], float [[TMP13]], i64 1
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP11]]
; CHECK-NEXT:    [[TMP16:%.*]] = load float, float* [[TMP15]], align 4
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <4 x float> [[TMP9]], float [[TMP16]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP18:%.*]] = phi <4 x float> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP14]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP19:%.*]] = phi <4 x float> [ [[TMP9]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP17]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP21:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP23:%.*]] = load float, float* [[TMP22]], align 4
; CHECK-NEXT:    [[TMP24:%.*]] = insertelement <4 x float> [[TMP18]], float [[TMP23]], i64 2
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP21]]
; CHECK-NEXT:    [[TMP26:%.*]] = load float, float* [[TMP25]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x float> [[TMP19]], float [[TMP26]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x float> [ [[TMP18]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP24]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi <4 x float> [ [[TMP19]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP27]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP30]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP31:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds float, float* [[A]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = load float, float* [[TMP32]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <4 x float> [[TMP28]], float [[TMP33]], i64 3
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds float, float* [[B]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP36:%.*]] = load float, float* [[TMP35]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x float> [[TMP29]], float [[TMP36]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x float> [ [[TMP28]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP34]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = phi <4 x float> [ [[TMP29]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP37]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP40:%.*]] = fmul fast <4 x float> [[VEC_PHI]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = fmul fast <4 x float> [[TMP40]], [[TMP39]]
; CHECK-NEXT:    [[TMP42]] = select fast <4 x i1> [[TMP0]], <4 x float> [[TMP41]], <4 x float> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP43:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP43]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP44:%.*]] = call fast float @llvm.vector.reduce.fmul.v4f32(float 1.000000e+00, <4 x float> [[TMP42]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret float [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi float [ %fmul, %for.body ], [ 0.0, %entry ]
  %arrayidx = getelementptr inbounds float, float* %A, i32 %indvars.iv
  %l0 = load float, float* %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds float, float* %B, i32 %indvars.iv
  %l1 = load float, float* %arrayidx2, align 4
  %add = fmul fast float %result.08, %l0
  %fmul = fmul fast float %add, %l1
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi float [ %fmul, %for.body ]
  ret float %result.0.lcssa
}

define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_min(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP5:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP6]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP7:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP7]]
; CHECK-NEXT:    [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <4 x i32> [[TMP5]], i32 [[TMP9]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP11:%.*]] = phi <4 x i32> [ [[TMP5]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP10]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP12]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP13:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP13]]
; CHECK-NEXT:    [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
; CHECK-NEXT:    [[TMP16:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP15]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP17:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP16]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP18]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP19:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP19]]
; CHECK-NEXT:    [[TMP21:%.*]] = load i32, i32* [[TMP20]], align 4
; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP21]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP23:%.*]] = phi <4 x i32> [ [[TMP17]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP22]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP24:%.*]] = call <4 x i32> @llvm.smin.v4i32(<4 x i32> [[VEC_PHI]], <4 x i32> [[TMP23]])
; CHECK-NEXT:    [[TMP25]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP27:%.*]] = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> [[TMP25]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l0 = load i32, i32* %arrayidx, align 4
  %c0 = icmp slt i32 %result.08, %l0
  %v0 = select i1 %c0, i32 %result.08, i32 %l0
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi i32 [ %v0, %for.body ]
  ret i32 %result.0.lcssa
}

define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_max(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE6:%.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[PRED_LOAD_CONTINUE6]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i32> [[VEC_IND]], <i32 257, i32 257, i32 257, i32 257>
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
; CHECK:       pred.load.if:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
; CHECK:       pred.load.continue:
; CHECK-NEXT:    [[TMP5:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_LOAD_IF]] ]
; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP6]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
; CHECK:       pred.load.if1:
; CHECK-NEXT:    [[TMP7:%.*]] = or i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP7]]
; CHECK-NEXT:    [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <4 x i32> [[TMP5]], i32 [[TMP9]], i64 1
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE2]]
; CHECK:       pred.load.continue2:
; CHECK-NEXT:    [[TMP11:%.*]] = phi <4 x i32> [ [[TMP5]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP10]], [[PRED_LOAD_IF1]] ]
; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
; CHECK-NEXT:    br i1 [[TMP12]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
; CHECK:       pred.load.if3:
; CHECK-NEXT:    [[TMP13:%.*]] = or i32 [[INDEX]], 2
; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP13]]
; CHECK-NEXT:    [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
; CHECK-NEXT:    [[TMP16:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP15]], i64 2
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE4]]
; CHECK:       pred.load.continue4:
; CHECK-NEXT:    [[TMP17:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP16]], [[PRED_LOAD_IF3]] ]
; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
; CHECK-NEXT:    br i1 [[TMP18]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.if5:
; CHECK-NEXT:    [[TMP19:%.*]] = or i32 [[INDEX]], 3
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP19]]
; CHECK-NEXT:    [[TMP21:%.*]] = load i32, i32* [[TMP20]], align 4
; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP21]], i64 3
; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE6]]
; CHECK:       pred.load.continue6:
; CHECK-NEXT:    [[TMP23:%.*]] = phi <4 x i32> [ [[TMP17]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP22]], [[PRED_LOAD_IF5]] ]
; CHECK-NEXT:    [[TMP24:%.*]] = call <4 x i32> @llvm.umax.v4i32(<4 x i32> [[VEC_PHI]], <4 x i32> [[TMP23]])
; CHECK-NEXT:    [[TMP25]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
; CHECK-NEXT:    [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
; CHECK-NEXT:    br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP27:%.*]] = call i32 @llvm.vector.reduce.umax.v4i32(<4 x i32> [[TMP25]])
; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK:       for.end:
; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
  %l0 = load i32, i32* %arrayidx, align 4
  %c0 = icmp ugt i32 %result.08, %l0
  %v0 = select i1 %c0, i32 %result.08, i32 %l0
  %indvars.iv.next = add i32 %indvars.iv, 1
  %exitcond = icmp eq i32 %indvars.iv.next, 257
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %entry
  %result.0.lcssa = phi i32 [ %v0, %for.body ]
  ret i32 %result.0.lcssa
}