diff options
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/mmx-copy-gprs.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mmx-copy-gprs.ll b/test/CodeGen/X86/mmx-copy-gprs.ll new file mode 100644 index 0000000000..8cf36e05a8 --- /dev/null +++ b/test/CodeGen/X86/mmx-copy-gprs.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | grep {movq.*(%rsi), %rax} + +; This test should use GPRs to copy the mmx value, not MMX regs. Using mmx regs, +; increases the places that need to use emms. + +; rdar://5741668 +target triple = "x86_64-apple-darwin8" + +define i32 @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 +} |