| ; RUN: opt < %s -loop-vectorize -tail-predication=enabled -S | \ |
| ; RUN: FileCheck %s -check-prefixes=COMMON,CHECK |
| |
| ; RUN: opt < %s -loop-vectorize -tail-predication=enabled -prefer-predicate-over-epilog -S | \ |
| ; RUN: FileCheck -check-prefixes=COMMON,PREDFLAG %s |
| |
| ; RUN: opt < %s -loop-vectorize -tail-predication=enabled-no-reductions -S | \ |
| ; RUN: FileCheck %s -check-prefixes=COMMON,NORED |
| |
| ; RUN: opt < %s -loop-vectorize -tail-predication=force-enabled-no-reductions -S | \ |
| ; RUN: FileCheck %s -check-prefixes=COMMON,NORED |
| |
| |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-arm-unknown-eabihf" |
| |
| define dso_local void @tail_folding(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 { |
| ; CHECK-LABEL: tail_folding( |
| ; CHECK: vector.body: |
| ; |
| ; This needs implementation of TTI::preferPredicateOverEpilogue, |
| ; then this will be tail-folded too: |
| ; |
| ; CHECK-NOT: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32( |
| ; CHECK-NOT: call void @llvm.masked.store.v4i32.p0v4i32( |
| ; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv |
| %1 = load i32, i32* %arrayidx2, align 4 |
| %add = add nsw i32 %1, %0 |
| %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| store i32 %add, i32* %arrayidx4, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 430 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| } |
| |
| |
| define dso_local void @tail_folding_enabled(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) local_unnamed_addr #0 { |
| ; COMMON-LABEL: tail_folding_enabled( |
| ; COMMON: vector.body: |
| ; COMMON: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] |
| ; COMMON: %[[ELEM0:.*]] = add i64 %index, 0 |
| ; COMMON: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429) |
| ; COMMON: %[[WML1:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask |
| ; COMMON: %[[WML2:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask |
| ; COMMON: %[[ADD:.*]] = add nsw <4 x i32> %[[WML2]], %[[WML1]] |
| ; COMMON: call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %[[ADD]], {{.*}}<4 x i1> %active.lane.mask |
| ; COMMON: %index.next = add i64 %index, 4 |
| ; COMMON: br i1 %{{.*}}, label %{{.*}}, label %vector.body |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv |
| %1 = load i32, i32* %arrayidx2, align 4 |
| %add = add nsw i32 %1, %0 |
| %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| store i32 %add, i32* %arrayidx4, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 430 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !6 |
| } |
| |
| define dso_local void @tail_folding_disabled(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) local_unnamed_addr #0 { |
| ; CHECK-LABEL: tail_folding_disabled( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load.v8i32.p0v8i32( |
| ; CHECK-NOT: @llvm.masked.store.v8i32.p0v8i32( |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| |
| ; PREDFLAG-LABEL: tail_folding_disabled( |
| ; PREDFLAG: vector.body: |
| ; PREDFLAG: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] |
| ; PREDFLAG: %[[ELEM0:.*]] = add i64 %index, 0 |
| ; PREDFLAG: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429) |
| ; PREDFLAG: %wide.masked.load = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask |
| ; PREDFLAG: %wide.masked.load1 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask |
| ; PREDFLAG: %{{.*}} = add nsw <4 x i32> %wide.masked.load1, %wide.masked.load |
| ; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask |
| ; PREDFLAG: %index.next = add i64 %index, 4 |
| ; PREDFLAG: %[[CMP:.*]] = icmp eq i64 %index.next, 432 |
| ; PREDFLAG: br i1 %[[CMP]], label %middle.block, label %vector.body, !llvm.loop !6 |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv |
| %1 = load i32, i32* %arrayidx2, align 4 |
| %add = add nsw i32 %1, %0 |
| %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| store i32 %add, i32* %arrayidx4, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 430 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !10 |
| } |
| |
| define dso_local void @interleave4(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) local_unnamed_addr #0 { |
| ; PREDFLAG-LABEL: interleave4( |
| ; PREDFLAG: %[[ADD1:.*]] = add i32 %index, 0 |
| ; PREDFLAG: %[[ADD2:.*]] = add i32 %index, 4 |
| ; PREDFLAG: %[[ADD3:.*]] = add i32 %index, 8 |
| ; PREDFLAG: %[[ADD4:.*]] = add i32 %index, 12 |
| ; PREDFLAG: %[[BTC:.*]] = extractelement <4 x i32> %broadcast.splat, i32 0 |
| ; PREDFLAG: %[[ALM1:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD1]], i32 %[[BTC]]) |
| ; PREDFLAG: %[[ALM2:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD2]], i32 %[[BTC]]) |
| ; PREDFLAG: %[[ALM3:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD3]], i32 %[[BTC]]) |
| ; PREDFLAG: %[[ALM4:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD4]], i32 %[[BTC]]) |
| ; |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}} |
| ; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}} |
| ; |
| ; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]]) |
| ; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]]) |
| ; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]]) |
| ; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]]) |
| ; |
| entry: |
| %cmp8 = icmp sgt i32 %N, 0 |
| br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %for.body |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| ret void |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.09 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09 |
| %1 = load i32, i32* %arrayidx1, align 4 |
| %add = add nsw i32 %1, %0 |
| %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09 |
| store i32 %add, i32* %arrayidx2, align 4 |
| %inc = add nuw nsw i32 %i.09, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body, !llvm.loop !14 |
| } |
| |
| define dso_local i32 @i32_add_reduction(i32* noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 { |
| ; COMMON-LABEL: i32_add_reduction( |
| ; COMMON: entry: |
| ; CHECK: @llvm.get.active.lane.mask |
| ; NORED-NOT: @llvm.get.active.lane.mask |
| ; COMMON: } |
| entry: |
| %cmp6 = icmp sgt i32 %N, 0 |
| br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: |
| %add.lcssa = phi i32 [ %add, %for.body ] |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| %S.0.lcssa = phi i32 [ 1, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ] |
| ret i32 %S.0.lcssa |
| |
| for.body: |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %S.07 = phi i32 [ %add, %for.body ], [ 1, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %0, %S.07 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| |
| ; Don't tail-fold float reductions. |
| ; |
| define dso_local void @f32_reduction(float* nocapture readonly %Input, i32 %N, float* nocapture %Output) local_unnamed_addr #0 { |
| ; CHECK-LABEL: f32_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp eq i32 %N, 0 |
| br i1 %cmp6, label %while.end, label %while.body.preheader |
| |
| while.body.preheader: ; preds = %entry |
| br label %while.body |
| |
| while.body: ; preds = %while.body.preheader, %while.body |
| %blkCnt.09 = phi i32 [ %dec, %while.body ], [ %N, %while.body.preheader ] |
| %sum.08 = phi float [ %add, %while.body ], [ 0.000000e+00, %while.body.preheader ] |
| %Input.addr.07 = phi float* [ %incdec.ptr, %while.body ], [ %Input, %while.body.preheader ] |
| %incdec.ptr = getelementptr inbounds float, float* %Input.addr.07, i32 1 |
| %0 = load float, float* %Input.addr.07, align 4 |
| %add = fadd fast float %0, %sum.08 |
| %dec = add i32 %blkCnt.09, -1 |
| %cmp = icmp eq i32 %dec, 0 |
| br i1 %cmp, label %while.end.loopexit, label %while.body |
| |
| while.end.loopexit: ; preds = %while.body |
| %add.lcssa = phi float [ %add, %while.body ] |
| br label %while.end |
| |
| while.end: ; preds = %while.end.loopexit, %entry |
| %sum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add.lcssa, %while.end.loopexit ] |
| %conv = uitofp i32 %N to float |
| %div = fdiv fast float %sum.0.lcssa, %conv |
| store float %div, float* %Output, align 4 |
| ret void |
| } |
| |
| ; Don't tail-fold float reductions. |
| ; |
| define dso_local void @mixed_f32_i32_reduction(float* nocapture readonly %fInput, i32* nocapture readonly %iInput, i32 %N, float* nocapture %fOutput, i32* nocapture %iOutput) local_unnamed_addr #0 { |
| ; CHECK-LABEL: mixed_f32_i32_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp15 = icmp eq i32 %N, 0 |
| br i1 %cmp15, label %while.end, label %while.body.preheader |
| |
| while.body.preheader: |
| br label %while.body |
| |
| while.body: |
| %blkCnt.020 = phi i32 [ %dec, %while.body ], [ %N, %while.body.preheader ] |
| %isum.019 = phi i32 [ %add2, %while.body ], [ 0, %while.body.preheader ] |
| %fsum.018 = phi float [ %add, %while.body ], [ 0.000000e+00, %while.body.preheader ] |
| %fInput.addr.017 = phi float* [ %incdec.ptr, %while.body ], [ %fInput, %while.body.preheader ] |
| %iInput.addr.016 = phi i32* [ %incdec.ptr1, %while.body ], [ %iInput, %while.body.preheader ] |
| %incdec.ptr = getelementptr inbounds float, float* %fInput.addr.017, i32 1 |
| %incdec.ptr1 = getelementptr inbounds i32, i32* %iInput.addr.016, i32 1 |
| %0 = load i32, i32* %iInput.addr.016, align 4 |
| %add2 = add nsw i32 %0, %isum.019 |
| %1 = load float, float* %fInput.addr.017, align 4 |
| %add = fadd fast float %1, %fsum.018 |
| %dec = add i32 %blkCnt.020, -1 |
| %cmp = icmp eq i32 %dec, 0 |
| br i1 %cmp, label %while.end.loopexit, label %while.body |
| |
| while.end.loopexit: |
| %add.lcssa = phi float [ %add, %while.body ] |
| %add2.lcssa = phi i32 [ %add2, %while.body ] |
| %phitmp = sitofp i32 %add2.lcssa to float |
| br label %while.end |
| |
| while.end: |
| %fsum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add.lcssa, %while.end.loopexit ] |
| %isum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %phitmp, %while.end.loopexit ] |
| %conv = uitofp i32 %N to float |
| %div = fdiv fast float %fsum.0.lcssa, %conv |
| store float %div, float* %fOutput, align 4 |
| %div5 = fdiv fast float %isum.0.lcssa, %conv |
| %conv6 = fptosi float %div5 to i32 |
| store i32 %conv6, i32* %iOutput, align 4 |
| ret void |
| } |
| |
| define dso_local i32 @i32_mul_reduction(i32* noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 { |
| ; CHECK-LABEL: i32_mul_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %N, 0 |
| br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: |
| %mul.lcssa = phi i32 [ %mul, %for.body ] |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| %S.0.lcssa = phi i32 [ 1, %entry ], [ %mul.lcssa, %for.cond.cleanup.loopexit ] |
| ret i32 %S.0.lcssa |
| |
| for.body: |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %S.07 = phi i32 [ %mul, %for.body ], [ 1, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %mul = mul nsw i32 %0, %S.07 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| define dso_local i32 @i32_or_reduction(i32* noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 { |
| ; CHECK-LABEL: i32_or_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %N, 0 |
| br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %for.body |
| %or.lcssa = phi i32 [ %or, %for.body ] |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| %S.0.lcssa = phi i32 [ 1, %entry ], [ %or.lcssa, %for.cond.cleanup.loopexit ] |
| ret i32 %S.0.lcssa |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %S.07 = phi i32 [ %or, %for.body ], [ 1, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %or = or i32 %0, %S.07 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| define dso_local i32 @i32_and_reduction(i32* noalias nocapture readonly %A, i32 %N, i32 %S) local_unnamed_addr #0 { |
| ; CHECK-LABEL: i32_and_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp5 = icmp sgt i32 %N, 0 |
| br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %for.body |
| %and.lcssa = phi i32 [ %and, %for.body ] |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| %S.addr.0.lcssa = phi i32 [ %S, %entry ], [ %and.lcssa, %for.cond.cleanup.loopexit ] |
| ret i32 %S.addr.0.lcssa |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %S.addr.06 = phi i32 [ %and, %for.body ], [ %S, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.07 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %and = and i32 %0, %S.addr.06 |
| %inc = add nuw nsw i32 %i.07, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| define i32 @i32_smin_reduction(i32* nocapture readonly %x, i32 %n) #0 { |
| ; CHECK-LABEL: i32_smin_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body, label %for.cond.cleanup |
| |
| for.body: ; preds = %entry, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %r.07 = phi i32 [ %add, %for.body ], [ 2147483647, %entry ] |
| %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %c = icmp slt i32 %r.07, %0 |
| %add = select i1 %c, i32 %r.07, i32 %0 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %r.0.lcssa = phi i32 [ 2147483647, %entry ], [ %add, %for.body ] |
| ret i32 %r.0.lcssa |
| } |
| |
| define i32 @i32_smax_reduction(i32* nocapture readonly %x, i32 %n) #0 { |
| ; CHECK-LABEL: i32_smax_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body, label %for.cond.cleanup |
| |
| for.body: ; preds = %entry, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %r.07 = phi i32 [ %add, %for.body ], [ -2147483648, %entry ] |
| %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %c = icmp sgt i32 %r.07, %0 |
| %add = select i1 %c, i32 %r.07, i32 %0 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %r.0.lcssa = phi i32 [ -2147483648, %entry ], [ %add, %for.body ] |
| ret i32 %r.0.lcssa |
| } |
| |
| define i32 @i32_umin_reduction(i32* nocapture readonly %x, i32 %n) #0 { |
| ; CHECK-LABEL: i32_umin_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body, label %for.cond.cleanup |
| |
| for.body: ; preds = %entry, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %r.07 = phi i32 [ %add, %for.body ], [ 4294967295, %entry ] |
| %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %c = icmp ult i32 %r.07, %0 |
| %add = select i1 %c, i32 %r.07, i32 %0 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %r.0.lcssa = phi i32 [ 4294967295, %entry ], [ %add, %for.body ] |
| ret i32 %r.0.lcssa |
| } |
| |
| define i32 @i32_umax_reduction(i32* nocapture readonly %x, i32 %n) #0 { |
| ; CHECK-LABEL: i32_umax_reduction( |
| ; CHECK: vector.body: |
| ; CHECK-NOT: @llvm.masked.load |
| ; CHECK-NOT: @llvm.masked.store |
| ; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body, label %for.cond.cleanup |
| |
| for.body: ; preds = %entry, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %c = icmp ugt i32 %r.07, %0 |
| %add = select i1 %c, i32 %r.07, i32 %0 |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| ret i32 %r.0.lcssa |
| } |
| |
| ; CHECK: !0 = distinct !{!0, !1} |
| ; CHECK-NEXT: !1 = !{!"llvm.loop.isvectorized", i32 1} |
| ; CHECK-NEXT: !2 = distinct !{!2, !3, !1} |
| ; CHECK-NEXT: !3 = !{!"llvm.loop.unroll.runtime.disable"} |
| ; CHECK-NEXT: !4 = distinct !{!4, !1} |
| ; CHECK-NEXT: !5 = distinct !{!5, !3, !1} |
| ; CHECK-NEXT: !6 = distinct !{!6, !1} |
| |
| attributes #0 = { nofree norecurse nounwind "target-features"="+armv8.1-m.main,+mve.fp" } |
| |
| !6 = distinct !{!6, !7, !8} |
| !7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true} |
| !8 = !{!"llvm.loop.vectorize.enable", i1 true} |
| |
| !10 = distinct !{!10, !11, !12} |
| !11 = !{!"llvm.loop.vectorize.predicate.enable", i1 false} |
| !12 = !{!"llvm.loop.vectorize.enable", i1 true} |
| |
| !14 = distinct !{!14, !15} |
| !15 = !{!"llvm.loop.interleave.count", i32 4} |
