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| author | Nadav Rotem <nrotem@apple.com> | 2013-04-15 22:00:26 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-04-15 22:00:26 +0000 |
| commit | e9a4411db4d3a05965630f668daf8071bf2d3513 (patch) | |
| tree | 910f2e83862c8fe7ce21f401a16d00e9ebaf6ffd /test/Transforms/SLPVectorizer | |
| parent | c9363ef67a5716a282bd7b4810c61da522bb7fd9 (diff) | |
| download | external_llvm-e9a4411db4d3a05965630f668daf8071bf2d3513.zip external_llvm-e9a4411db4d3a05965630f668daf8071bf2d3513.tar.gz external_llvm-e9a4411db4d3a05965630f668daf8071bf2d3513.tar.bz2 | |
SLPVectorizer: Make it a function pass and add code for hoisting the vector-gather sequence out of loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179562 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SLPVectorizer')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/hoist.ll | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/hoist.ll b/test/Transforms/SLPVectorizer/X86/hoist.ll new file mode 100644 index 0000000..5074cea --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/hoist.ll @@ -0,0 +1,59 @@ +; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" +target triple = "i386-apple-macosx10.9.0" + +;int foo(int *A, int n, int k) { +; for (int i=0; i < 10000; i+=4) { +; A[i] += n; +; A[i+1] += k; +; A[i+2] += n; +; A[i+3] += k; +; } +;} + +; preheader: +;CHECK: entry +;CHECK-NEXT: insertelement +;CHECK-NEXT: insertelement +;CHECK-NEXT: insertelement +;CHECK-NEXT: insertelement +; loop body: +;CHECK: phi +;CHECK: load <4 x i32> +;CHECK: add <4 x i32> +;CHECK: store <4 x i32> +;CHECK: ret +define i32 @foo(i32* nocapture %A, i32 %n, i32 %k) { +entry: + br label %for.body + +for.body: ; preds = %entry, %for.body + %i.024 = phi i32 [ 0, %entry ], [ %add10, %for.body ] + %arrayidx = getelementptr inbounds i32* %A, i32 %i.024 + %0 = load i32* %arrayidx, align 4 + %add = add nsw i32 %0, %n + store i32 %add, i32* %arrayidx, align 4 + %add121 = or i32 %i.024, 1 + %arrayidx2 = getelementptr inbounds i32* %A, i32 %add121 + %1 = load i32* %arrayidx2, align 4 + %add3 = add nsw i32 %1, %k + store i32 %add3, i32* %arrayidx2, align 4 + %add422 = or i32 %i.024, 2 + %arrayidx5 = getelementptr inbounds i32* %A, i32 %add422 + %2 = load i32* %arrayidx5, align 4 + %add6 = add nsw i32 %2, %n + store i32 %add6, i32* %arrayidx5, align 4 + %add723 = or i32 %i.024, 3 + %arrayidx8 = getelementptr inbounds i32* %A, i32 %add723 + %3 = load i32* %arrayidx8, align 4 + %add9 = add nsw i32 %3, %k + store i32 %add9, i32* %arrayidx8, align 4 + %add10 = add nsw i32 %i.024, 4 + %cmp = icmp slt i32 %add10, 10000 + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body + ret i32 undef +} + |