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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-13 08:35:03 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-13 08:35:03 +0000 |
| commit | 77f0b7a50a08614b5ffd58f1864b68a9a30d0cb0 (patch) | |
| tree | bb8e0ed03e63e856988c905af714ffb7bd62205e /test/CodeGen/X86/extractelement-from-arg.ll | |
| parent | 6513c1bf90be63b9bd6a43c0db593174075009a0 (diff) | |
| download | external_llvm-77f0b7a50a08614b5ffd58f1864b68a9a30d0cb0.zip external_llvm-77f0b7a50a08614b5ffd58f1864b68a9a30d0cb0.tar.gz external_llvm-77f0b7a50a08614b5ffd58f1864b68a9a30d0cb0.tar.bz2 | |
Instead of a vector load, shuffle and then extract an element. Load the element from address with an offset.
pshufd $1, (%rdi), %xmm0
movd %xmm0, %eax
=>
movl 4(%rdi), %eax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/extractelement-from-arg.ll')
| -rw-r--r-- | test/CodeGen/X86/extractelement-from-arg.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/CodeGen/X86/extractelement-from-arg.ll b/test/CodeGen/X86/extractelement-from-arg.ll index d28f016..44704b6 100644 --- a/test/CodeGen/X86/extractelement-from-arg.ll +++ b/test/CodeGen/X86/extractelement-from-arg.ll @@ -1,6 +1,6 @@ -; RUN: llvm-as %s -o - | llc -march=x86-64 +; RUN: llvm-as %s -o - | llc -march=x86-64 -mattr=+sse2 -define void @test(float* %R, <4 x float> %X) { +define void @test(float* %R, <4 x float> %X) nounwind { %tmp = extractelement <4 x float> %X, i32 3 store float %tmp, float* %R ret void |