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| author | Arnold Schwaighofer <aschwaighofer@apple.com> | 2014-02-24 19:52:29 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | 2014-02-24 19:52:29 +0000 |
| commit | 68085c7bef7546da3eea848093c89f82aa3c2594 (patch) | |
| tree | cc21a1cf3f53f2f8105c1f58f5882c26f7bcd5e1 /test | |
| parent | b55c398992cf39855ab0cedcef3eb7439abe524e (diff) | |
| download | llvm-68085c7bef7546da3eea848093c89f82aa3c2594.tar.gz llvm-68085c7bef7546da3eea848093c89f82aa3c2594.tar.bz2 llvm-68085c7bef7546da3eea848093c89f82aa3c2594.tar.xz | |
SLPVectorizer: Try vectorizing 'splat' stores
Vectorize sequential stores of a broadcasted value.
5% on eon.
radar://16124699
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202067 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/tiny-tree.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/tiny-tree.ll b/test/Transforms/SLPVectorizer/X86/tiny-tree.ll index 2747a1f489..10c3130b42 100644 --- a/test/Transforms/SLPVectorizer/X86/tiny-tree.ll +++ b/test/Transforms/SLPVectorizer/X86/tiny-tree.ll @@ -138,3 +138,18 @@ for.body: ; preds = %entry, %for.body for.end: ; preds = %for.body, %entry ret void } + + +; CHECK-LABEL: store_splat +; CHECK: store <4 x float> +define void @store_splat(float*, float) { + %3 = getelementptr inbounds float* %0, i64 0 + store float %1, float* %3, align 4 + %4 = getelementptr inbounds float* %0, i64 1 + store float %1, float* %4, align 4 + %5 = getelementptr inbounds float* %0, i64 2 + store float %1, float* %5, align 4 + %6 = getelementptr inbounds float* %0, i64 3 + store float %1, float* %6, align 4 + ret void +} |