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| author | Anat Shemer <anat.shemer@intel.com> | 2013-04-18 19:56:44 +0000 |
|---|---|---|
| committer | Anat Shemer <anat.shemer@intel.com> | 2013-04-18 19:56:44 +0000 |
| commit | 5570318f430ee3801ced96e76cd9eb507874e29c (patch) | |
| tree | b9c6230a53e74e54d378f82fff6d6b7e7531324c /llvm/test/Transforms/InstCombine/vec_extract_2elts.ll | |
| parent | 62c03207d5da905c9bac1db008835e10acf88074 (diff) | |
| download | bcm5719-llvm-5570318f430ee3801ced96e76cd9eb507874e29c.tar.gz bcm5719-llvm-5570318f430ee3801ced96e76cd9eb507874e29c.zip | |
In the function InstCombiner::visitExtractElementInst() removed the limitation that extract is promoted over a cast only if the cast has only one use.
llvm-svn: 179786
Diffstat (limited to 'llvm/test/Transforms/InstCombine/vec_extract_2elts.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/vec_extract_2elts.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll b/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll new file mode 100644 index 00000000000..5972340d60a --- /dev/null +++ b/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll @@ -0,0 +1,12 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s + +define void @test(<4 x i32> %v, i64 *%r1, i64 *%r2) { +;CHECK: %1 = extractelement <4 x i32> %v, i32 0 +;CHECK: %2 = zext i32 %1 to i64 + %1 = zext <4 x i32> %v to <4 x i64> + %2 = extractelement <4 x i64> %1, i32 0 + store i64 %2, i64 *%r1 + store i64 %2, i64 *%r2 + ret void +} + |
