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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-23 00:37:07 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-23 00:37:07 +0000 |
| commit | f3be7a7ea79e1042362f4dba4869cf4a4c8c3fc9 (patch) | |
| tree | e1b9e2aa1d98958c679bc8332b48c4444ae00b60 /llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll | |
| parent | 0752bffe9aa0051518316d410e7373b7f896bc2d (diff) | |
| download | bcm5719-llvm-f3be7a7ea79e1042362f4dba4869cf4a4c8c3fc9.tar.gz bcm5719-llvm-f3be7a7ea79e1042362f4dba4869cf4a4c8c3fc9.zip | |
Bug: rcpps can only folds a load if the address is 16-byte aligned. Fixed many 'ps' load folding patterns in X86InstrSSE.td which are missing the proper alignment checks.
Also fixed some 80 col. violations.
llvm-svn: 51462
Diffstat (limited to 'llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll b/llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll new file mode 100644 index 00000000000..c9e30d8f80a --- /dev/null +++ b/llvm/test/CodeGen/X86/2008-05-22-FoldUnalignedLoad.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movups | count 2 + +define void @a(<4 x float>* %x) nounwind { +entry: + %tmp2 = load <4 x float>* %x, align 1 + %inv = call <4 x float> @llvm.x86.sse.rcp.ps(<4 x float> %tmp2) + store <4 x float> %inv, <4 x float>* %x, align 1 + ret void +} + +declare <4 x float> @llvm.x86.sse.rcp.ps(<4 x float>) |
