Fix PR2287. Darwin passes mmx values in register in 64-mode, not Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50716 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll b/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll
index f909b11..18850b1 100644
--- a/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll
+++ b/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll
@@ -1,6 +1,6 @@
-; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {movd	%rsi, %mm0}
-; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {movd	%rdi, %mm1}
-; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep {paddusw	%mm0, %mm1}
+; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin -mattr=+mmx | grep {movd	%rsi, %mm0}
+; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin -mattr=+mmx | grep {movd	%rdi, %mm1}
+; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin -mattr=+mmx | grep {paddusw	%mm0, %mm1}
 
 @R = external global <1 x i64>		; <<1 x i64>*> [#uses=1]