; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -loop-vectorize -dce -instcombine -mtriple aarch64-linux-gnu -mattr=+sve \ ; RUN: -prefer-predicate-over-epilogue=scalar-epilogue -S %s -o - | FileCheck %s define void @cond_inv_load_i32i32i16(i32* noalias nocapture %a, i32* noalias nocapture readonly %cond, i16* noalias nocapture readonly %inv, i64 %n) #0 { ; CHECK-LABEL: @cond_inv_load_i32i32i16( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ugt i64 [[TMP1]], [[N:%.*]] ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, i16* [[INV:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[COND:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to * ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load , * [[TMP5]], align 4 ; CHECK-NEXT: [[TMP6:%.*]] = icmp ne [[WIDE_LOAD]], zeroinitializer ; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call @llvm.masked.gather.nxv4i16.nxv4p0i16( [[BROADCAST_SPLAT]], i32 2, [[TMP6]], undef) ; CHECK-NEXT: [[TMP7:%.*]] = sext [[WIDE_MASKED_GATHER]] to ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to * ; CHECK-NEXT: call void @llvm.masked.store.nxv4i32.p0nxv4i32( [[TMP7]], * [[TMP9]], i32 4, [[TMP6]]) ; CHECK-NEXT: [[TMP10:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 2 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP11]] ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[COND]], i64 [[I_07]] ; CHECK-NEXT: [[TMP13:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP13]], 0 ; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]] ; CHECK: if.then: ; CHECK-NEXT: [[TMP14:%.*]] = load i16, i16* [[INV]], align 2 ; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP14]] to i32 ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I_07]] ; CHECK-NEXT: store i32 [[CONV]], i32* [[ARRAYIDX1]], align 4 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: for.inc: ; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; CHECK: exit: ; CHECK-NEXT: ret void ; entry: br label %for.body for.body: ; preds = %entry, %for.inc %i.07 = phi i64 [ %inc, %for.inc ], [ 0, %entry ] %arrayidx = getelementptr inbounds i32, i32* %cond, i64 %i.07 %0 = load i32, i32* %arrayidx, align 4 %tobool.not = icmp eq i32 %0, 0 br i1 %tobool.not, label %for.inc, label %if.then if.then: ; preds = %for.body %1 = load i16, i16* %inv, align 2 %conv = sext i16 %1 to i32 %arrayidx1 = getelementptr inbounds i32, i32* %a, i64 %i.07 store i32 %conv, i32* %arrayidx1, align 4 br label %for.inc for.inc: ; preds = %for.body, %if.then %inc = add nuw nsw i64 %i.07, 1 %exitcond.not = icmp eq i64 %inc, %n br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0 exit: ; preds = %for.inc ret void } define void @cond_inv_load_f64f64f64(double* noalias nocapture %a, double* noalias nocapture readonly %cond, double* noalias nocapture readonly %inv, i64 %n) #0 { ; CHECK-LABEL: @cond_inv_load_f64f64f64( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ugt i64 [[TMP1]], [[N:%.*]] ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement poison, double* [[INV:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector [[BROADCAST_SPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds double, double* [[COND:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[TMP4]] to * ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load , * [[TMP5]], align 8 ; CHECK-NEXT: [[TMP6:%.*]] = fcmp ogt [[WIDE_LOAD]], shufflevector ( insertelement ( poison, double 4.000000e-01, i32 0), poison, zeroinitializer) ; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call @llvm.masked.gather.nxv4f64.nxv4p0f64( [[BROADCAST_SPLAT]], i32 8, [[TMP6]], undef) ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr double, double* [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP8:%.*]] = bitcast double* [[TMP7]] to * ; CHECK-NEXT: call void @llvm.masked.store.nxv4f64.p0nxv4f64( [[WIDE_MASKED_GATHER]], * [[TMP8]], i32 8, [[TMP6]]) ; CHECK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 2 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]] ; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[COND]], i64 [[I_08]] ; CHECK-NEXT: [[TMP12:%.*]] = load double, double* [[ARRAYIDX]], align 8 ; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt double [[TMP12]], 4.000000e-01 ; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[FOR_INC]] ; CHECK: if.then: ; CHECK-NEXT: [[TMP13:%.*]] = load double, double* [[INV]], align 8 ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[I_08]] ; CHECK-NEXT: store double [[TMP13]], double* [[ARRAYIDX2]], align 8 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: for.inc: ; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]] ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; CHECK: exit: ; CHECK-NEXT: ret void ; entry: br label %for.body for.body: ; preds = %entry, %for.inc %i.08 = phi i64 [ %inc, %for.inc ], [ 0, %entry ] %arrayidx = getelementptr inbounds double, double* %cond, i64 %i.08 %0 = load double, double* %arrayidx, align 8 %cmp1 = fcmp ogt double %0, 4.000000e-01 br i1 %cmp1, label %if.then, label %for.inc if.then: ; preds = %for.body %1 = load double, double* %inv, align 8 %arrayidx2 = getelementptr inbounds double, double* %a, i64 %i.08 store double %1, double* %arrayidx2, align 8 br label %for.inc for.inc: ; preds = %for.body, %if.then %inc = add nuw nsw i64 %i.08, 1 %exitcond.not = icmp eq i64 %inc, %n br i1 %exitcond.not, label %exit, label %for.body, !llvm.loop !0 exit: ; preds = %for.inc ret void } define void @invariant_load_cond(i32* noalias nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %cond, i64 %n) #0 { ; CHECK-LABEL: @invariant_load_cond( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ugt i64 [[TMP1]], [[N:%.*]] ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]] ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 42 ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement poison, i32* [[TMP4]], i64 0 ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector [[DOTSPLATINSERT]], poison, zeroinitializer ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[COND:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to * ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load , * [[TMP6]], align 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp ne [[WIDE_LOAD]], zeroinitializer ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[B]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to * ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call @llvm.masked.load.nxv4i32.p0nxv4i32(* [[TMP9]], i32 4, [[TMP7]], poison) ; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call @llvm.masked.gather.nxv4i32.nxv4p0i32( [[DOTSPLAT]], i32 4, [[TMP7]], undef) ; CHECK-NEXT: [[TMP10:%.*]] = add nsw [[WIDE_MASKED_GATHER]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to * ; CHECK-NEXT: call void @llvm.masked.store.nxv4i32.p0nxv4i32( [[TMP10]], * [[TMP12]], i32 4, [[TMP7]]) ; CHECK-NEXT: [[TMP13:%.*]] = call i64 @llvm.vscale.i64() ; CHECK-NEXT: [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 2 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP14]] ; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] ; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_INC:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[COND]], i64 [[IV]] ; CHECK-NEXT: [[TMP16:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4 ; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP16]], 0 ; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]] ; CHECK: if.then: ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 42 ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[IV]] ; CHECK-NEXT: [[TMP17:%.*]] = load i32, i32* [[ARRAYIDX3]], align 4 ; CHECK-NEXT: [[TMP18:%.*]] = load i32, i32* [[ARRAYIDX1]], align 4 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP18]], [[TMP17]] ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[IV]] ; CHECK-NEXT: store i32 [[ADD]], i32* [[ARRAYIDX4]], align 4 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: for.inc: ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.inc ] %arrayidx1 = getelementptr inbounds i32, i32* %b, i64 42 %arrayidx2 = getelementptr inbounds i32, i32* %cond, i64 %iv %0 = load i32, i32* %arrayidx2, align 4 %tobool.not = icmp eq i32 %0, 0 br i1 %tobool.not, label %for.inc, label %if.then if.then: %arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %iv %1 = load i32, i32* %arrayidx3, align 4 %2 = load i32, i32* %arrayidx1, align 4 %add = add nsw i32 %2, %1 %arrayidx4 = getelementptr inbounds i32, i32* %a, i64 %iv store i32 %add, i32* %arrayidx4, align 4 br label %for.inc for.inc: %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, %n br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } attributes #0 = { vscale_range(1, 16) } !0 = distinct !{!0, !1, !2, !3, !4, !5} !1 = !{!"llvm.loop.mustprogress"} !2 = !{!"llvm.loop.vectorize.width", i32 4} !3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} !4 = !{!"llvm.loop.interleave.count", i32 1} !5 = !{!"llvm.loop.vectorize.enable", i1 true}