1; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s 2 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 4 5define void @add_ints(i32* nocapture %A, i32* nocapture %B, i32* nocapture %C) { 6; CHECK-LABEL: @add_ints( 7; CHECK-LABEL: vector.memcheck: 8; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 200 9; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 200 10; CHECK-NEXT: [[SCEVGEP7:%.*]] = getelementptr i32, i32* [[C:%.*]], i64 200 11; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[A]] 12; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[B]] 13; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] 14; CHECK-NEXT: [[BOUND09:%.*]] = icmp ugt i32* [[SCEVGEP7]], [[A]] 15; CHECK-NEXT: [[BOUND110:%.*]] = icmp ugt i32* [[SCEVGEP]], [[C]] 16; CHECK-NEXT: [[FOUND_CONFLICT11:%.*]] = and i1 [[BOUND09]], [[BOUND110]] 17; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT11]] 18; CHECK-NEXT: br i1 [[CONFLICT_RDX]], label %scalar.ph, label %vector.ph 19; CHECK: vector.ph: 20; CHECK-NEXT: br label %vector.body 21; CHECK: vector.body: 22; 23entry: 24 br label %for.body 25 26for.body: 27 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 28 %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv 29 %0 = load i32, i32* %arrayidx, align 4 30 %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv 31 %1 = load i32, i32* %arrayidx2, align 4 32 %add = add nsw i32 %1, %0 33 %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 34 store i32 %add, i32* %arrayidx4, align 4 35 %indvars.iv.next = add i64 %indvars.iv, 1 36 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 37 %exitcond = icmp eq i32 %lftr.wideiv, 200 38 br i1 %exitcond, label %for.end, label %for.body 39 40for.end: 41 ret void 42} 43