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author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
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committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/X86/scalar-extract.ll | |
download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 |
Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/X86/scalar-extract.ll')
-rw-r--r-- | test/CodeGen/X86/scalar-extract.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/scalar-extract.ll b/test/CodeGen/X86/scalar-extract.ll new file mode 100644 index 0000000..2845838 --- /dev/null +++ b/test/CodeGen/X86/scalar-extract.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -march=x86 -mattr=+mmx -o %t +; RUN: not grep movq %t + +; Check that widening doesn't introduce a mmx register in this case when +; a simple load/store would suffice. + +define void @foo(<2 x i16>* %A, <2 x i16>* %B) { +entry: + %tmp1 = load <2 x i16>* %A ; <<2 x i16>> [#uses=1] + store <2 x i16> %tmp1, <2 x i16>* %B + ret void +} + |