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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-06-06 20:08:03 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-06-06 20:08:03 +0000 |
| commit | b9a4cacc91c1a9b5b341dc937db441eba1e43166 (patch) | |
| tree | d4f2138f033ef71f5196bcc2c9e23f0eb8131d2f /test/Transforms | |
| parent | 9d813df391a5fa3f77ff7b241c48de1926d23f0c (diff) | |
PR4340: Run SimplifyDemandedVectorElts on insertelement instructions;
sometimes it can find simplifications that won't be found otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73006 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/vec_demanded_elts-3.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vec_demanded_elts-3.ll b/test/Transforms/InstCombine/vec_demanded_elts-3.ll new file mode 100644 index 0000000000..eba3629eb9 --- /dev/null +++ b/test/Transforms/InstCombine/vec_demanded_elts-3.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load +; PR4340 + +define void @vac(<4 x float>* nocapture %a) nounwind { +entry: + %tmp1 = load <4 x float>* %a ; <<4 x float>> [#uses=1] + %vecins = insertelement <4 x float> %tmp1, float 0.000000e+00, i32 0 ; <<4 x float>> [#uses=1] + %vecins4 = insertelement <4 x float> %vecins, float 0.000000e+00, i32 1; <<4 x float>> [#uses=1] + %vecins6 = insertelement <4 x float> %vecins4, float 0.000000e+00, i32 2; <<4 x float>> [#uses=1] + %vecins8 = insertelement <4 x float> %vecins6, float 0.000000e+00, i32 3; <<4 x float>> [#uses=1] + store <4 x float> %vecins8, <4 x float>* %a + ret void +} + |