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5850602050
Also, add several entries to vectorizable functions table, and corresponding tests. The table isn't complete, it'll be populated later. Review: http://reviews.llvm.org/D8131 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232531 91177308-0d34-0410-b5e6-96231b3b80d8
183 lines
7.5 KiB
LLVM
183 lines
7.5 KiB
LLVM
; RUN: opt < %s -vector-library=Accelerate -loop-vectorize -S | FileCheck %s
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target 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"
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target triple = "x86_64-unknown-linux-gnu"
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;CHECK-LABEL: @sqrt_f32(
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;CHECK: vsqrtf{{.*}}<4 x float>
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;CHECK: ret void
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declare float @sqrtf(float) nounwind readnone
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define void @sqrt_f32(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @sqrtf(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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;CHECK-LABEL: @exp_f32(
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;CHECK: vexpf{{.*}}<4 x float>
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;CHECK: ret void
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declare float @expf(float) nounwind readnone
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define void @exp_f32(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @expf(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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;CHECK-LABEL: @log_f32(
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;CHECK: vlogf{{.*}}<4 x float>
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;CHECK: ret void
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declare float @logf(float) nounwind readnone
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define void @log_f32(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @logf(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; For abs instruction we'll generate vector intrinsic, as it's cheaper than a lib call.
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;CHECK-LABEL: @fabs_f32(
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;CHECK: fabs{{.*}}<4 x float>
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;CHECK: ret void
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declare float @fabsf(float) nounwind readnone
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define void @fabs_f32(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @fabsf(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; Test that we can vectorize an intrinsic into a vector call.
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;CHECK-LABEL: @exp_f32_intrin(
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;CHECK: vexpf{{.*}}<4 x float>
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;CHECK: ret void
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declare float @llvm.exp.f32(float) nounwind readnone
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define void @exp_f32_intrin(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @llvm.exp.f32(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; Test that we don't vectorize arbitrary functions.
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;CHECK-LABEL: @foo_f32(
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;CHECK-NOT: foo{{.*}}<4 x float>
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;CHECK: ret void
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declare float @foo(float) nounwind readnone
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define void @foo_f32(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @foo(float %0) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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; Test that we don't vectorize calls with nobuiltin attribute.
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;CHECK-LABEL: @sqrt_f32_nobuiltin(
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;CHECK-NOT: vsqrtf{{.*}}<4 x float>
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;CHECK: ret void
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define void @sqrt_f32_nobuiltin(i32 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%call = tail call float @sqrtf(float %0) nounwind readnone nobuiltin
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %indvars.iv
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store float %call, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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