Add -mcpu to memcpy / memset tests to ensure they behave the same on all hosts / targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100101 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/memcpy-2.ll b/test/CodeGen/X86/memcpy-2.ll
index 079c402..68594f6 100644
--- a/test/CodeGen/X86/memcpy-2.ll
+++ b/test/CodeGen/X86/memcpy-2.ll
@@ -1,6 +1,6 @@
-; RUN: llc < %s -mattr=+sse2      -mtriple=i686-apple-darwin | FileCheck %s -check-prefix=SSE2
-; RUN: llc < %s -mattr=+sse,-sse2 -mtriple=i686-apple-darwin | FileCheck %s -check-prefix=SSE1
-; RUN: llc < %s -mattr=-sse       -mtriple=i686-apple-darwin | FileCheck %s -check-prefix=NOSSE
+; RUN: llc < %s -mattr=+sse2      -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=SSE2
+; RUN: llc < %s -mattr=+sse,-sse2 -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=SSE1
+; RUN: llc < %s -mattr=-sse       -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=NOSSE
 
 	%struct.ParmT = type { [25 x i8], i8, i8* }
 @.str12 = internal constant [25 x i8] c"image\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00"		; <[25 x i8]*> [#uses=1]