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| author | Chris Lattner <sabre@nondot.org> | 2008-02-22 05:18:04 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-02-22 05:18:04 +0000 |
| commit | ab8bfc28c8c1bdbc070301ce7c92cf7ba94e2451 (patch) | |
| tree | 2514b0e24d8c7fe4f0c8cccd37630b9a3343c77b /llvm/test | |
| parent | e665095da163cc6be8bc0dffd32edfd9548045e0 (diff) | |
| download | bcm5719-llvm-ab8bfc28c8c1bdbc070301ce7c92cf7ba94e2451.tar.gz bcm5719-llvm-ab8bfc28c8c1bdbc070301ce7c92cf7ba94e2451.zip | |
copy mmx values from/to memory with GPRs on x86-32
instead of with mmx registers. This horribleness is apparently
done by gcc to avoid having to insert emms in places that really
should have it. This is the second half of rdar://5741668.
llvm-svn: 47474
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/mmx-copy-gprs.ll | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/mmx-copy-gprs.ll b/llvm/test/CodeGen/X86/mmx-copy-gprs.ll index 8cf36e05a83..da17a04a466 100644 --- a/llvm/test/CodeGen/X86/mmx-copy-gprs.ll +++ b/llvm/test/CodeGen/X86/mmx-copy-gprs.ll @@ -1,4 +1,5 @@ ; RUN: llvm-as < %s | llc -march=x86-64 | grep {movq.*(%rsi), %rax} +; RUN: llvm-as < %s | llc -march=x86 | grep {movl.*4(%eax),} ; This test should use GPRs to copy the mmx value, not MMX regs. Using mmx regs, ; increases the places that need to use emms. @@ -6,9 +7,9 @@ ; rdar://5741668 target triple = "x86_64-apple-darwin8" -define i32 @foo(<1 x i64>* %x, <1 x i64>* %y) nounwind { +define void @foo(<1 x i64>* %x, <1 x i64>* %y) nounwind { entry: %tmp1 = load <1 x i64>* %y, align 8 ; <<1 x i64>> [#uses=1] store <1 x i64> %tmp1, <1 x i64>* %x, align 8 - ret i32 undef + ret void } |
