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author | Zinovy Nis <zinovy.nis@gmail.com> | 2014-04-29 08:55:11 +0000 |
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committer | Zinovy Nis <zinovy.nis@gmail.com> | 2014-04-29 08:55:11 +0000 |
commit | c5e41aed09af67fe3dcd1fc4150596be8fd4118d (patch) | |
tree | 46e31a106f635efcf5d4fc7e2a8caf8bb787e095 /test | |
parent | eda7f44b27690d050bae738552f9e1f08e72133f (diff) | |
download | llvm-c5e41aed09af67fe3dcd1fc4150596be8fd4118d.tar.gz llvm-c5e41aed09af67fe3dcd1fc4150596be8fd4118d.tar.bz2 llvm-c5e41aed09af67fe3dcd1fc4150596be8fd4118d.tar.xz |
[OPENMP][LV][D3423] Respect Hints.Force meta-data for loops in LoopVectorizer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207512 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/LoopVectorize/X86/vect.omp.force.ll | 93 | ||||
-rw-r--r-- | test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll | 73 |
2 files changed, 166 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/X86/vect.omp.force.ll b/test/Transforms/LoopVectorize/X86/vect.omp.force.ll new file mode 100644 index 0000000000..84ffb2721e --- /dev/null +++ b/test/Transforms/LoopVectorize/X86/vect.omp.force.ll @@ -0,0 +1,93 @@ +; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -debug-only=loop-vectorize -stats -S 2>&1 | FileCheck %s +; REQUIRES: asserts + +; CHECK: LV: Loop hints: force=enabled +; CHECK: LV: Loop hints: force=? +; No more loops in the module +; CHECK-NOT: LV: Loop hints: force= +; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization +; CHECK: 1 loop-vectorize - Number of loops vectorized + +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" +target triple = "x86_64-apple-macosx10.8.0" + +; +; The source code for the test: +; +; #include <math.h> +; void foo(float* restrict A, float * restrict B, int size) +; { +; for (int i = 0; i < size; ++i) A[i] = sinf(B[i]); +; } +; + +; +; This loop will be vectorized, although the scalar cost is lower than any of vector costs, but vectorization is explicitly forced in metadata. +; + +define void @vectorized(float* noalias nocapture %A, float* noalias nocapture %B, i32 %size) { +entry: + %cmp6 = icmp sgt i32 %size, 0 + br i1 %cmp6, label %for.body.preheader, label %for.end + +for.body.preheader: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] + %arrayidx = getelementptr inbounds float* %B, i64 %indvars.iv + %0 = load float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !1 + %call = tail call float @llvm.sin.f32(float %0) + %arrayidx2 = getelementptr inbounds float* %A, i64 %indvars.iv + store float %call, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !1 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, %size + br i1 %exitcond, label %for.end.loopexit, label %for.body, !llvm.loop !1 + +for.end.loopexit: + br label %for.end + +for.end: + ret void +} + +!1 = metadata !{metadata !1, metadata !2} +!2 = metadata !{metadata !"llvm.vectorizer.enable", i1 true} + +; +; This method will not be vectorized, as scalar cost is lower than any of vector costs. +; + +define void @not_vectorized(float* noalias nocapture %A, float* noalias nocapture %B, i32 %size) { +entry: + %cmp6 = icmp sgt i32 %size, 0 + br i1 %cmp6, label %for.body.preheader, label %for.end + +for.body.preheader: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] + %arrayidx = getelementptr inbounds float* %B, i64 %indvars.iv + %0 = load float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !3 + %call = tail call float @llvm.sin.f32(float %0) + %arrayidx2 = getelementptr inbounds float* %A, i64 %indvars.iv + store float %call, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, %size + br i1 %exitcond, label %for.end.loopexit, label %for.body, !llvm.loop !3 + +for.end.loopexit: + br label %for.end + +for.end: + ret void +} + +declare float @llvm.sin.f32(float) nounwind readnone + +; Dummy metadata +!3 = metadata !{metadata !3} + diff --git a/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll b/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll new file mode 100644 index 0000000000..1b979e5871 --- /dev/null +++ b/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll @@ -0,0 +1,73 @@ +; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -debug-only=loop-vectorize -stats -S -vectorizer-min-trip-count=21 2>&1 | FileCheck %s +; REQUIRES: asserts + +; CHECK: LV: Loop hints: force=enabled +; CHECK: LV: Loop hints: force=? +; No more loops in the module +; CHECK-NOT: LV: Loop hints: force= +; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization +; CHECK: 1 loop-vectorize - Number of loops vectorized + +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" +target triple = "x86_64-apple-macosx10.8.0" + +; +; The source code for the test: +; +; void foo(float* restrict A, float* restrict B) +; { +; for (int i = 0; i < 20; ++i) A[i] += B[i]; +; } +; + +; +; This loop will be vectorized, although the trip count is below the threshold, but vectorization is explicitly forced in metadata. +; +define void @vectorized(float* noalias nocapture %A, float* noalias nocapture readonly %B) { +entry: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds float* %B, i64 %indvars.iv + %0 = load float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !1 + %arrayidx2 = getelementptr inbounds float* %A, i64 %indvars.iv + %1 = load float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !1 + %add = fadd fast float %0, %1 + store float %add, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !1 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 20 + br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !1 + +for.end: + ret void +} + +!1 = metadata !{metadata !1, metadata !2} +!2 = metadata !{metadata !"llvm.vectorizer.enable", i1 true} + +; +; This loop will not be vectorized as the trip count is below the threshold. +; +define void @not_vectorized(float* noalias nocapture %A, float* noalias nocapture readonly %B) { +entry: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds float* %B, i64 %indvars.iv + %0 = load float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !3 + %arrayidx2 = getelementptr inbounds float* %A, i64 %indvars.iv + %1 = load float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3 + %add = fadd fast float %0, %1 + store float %add, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 20 + br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !3 + +for.end: + ret void +} + +!3 = metadata !{metadata !3} + |