Relax tests expecting to see CPI symbols

WinCOFF doesn't use CPI symbols, it has a different scheme for naming
constant pool entries.  Update tests to handle either appearing.

llvm-svn: 213039

llvm/test/CodeGen/X86/2008-02-06-LoadFoldingBug.ll

@@ -1,5 +1,6 @@
-; RUN: llc < %s -march=x86 -mattr=+sse2 | grep xor | grep CPI
+; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
 
+; CHECK: xorpd {{.LCPI0_0|__xmm@}}
 define void @casin({ double, double }* sret  %agg.result, double %z.0, double %z.1) nounwind  {
 entry:
 	%memtmp = alloca { double, double }, align 8		; <{ double, double }*> [#uses=3]

llvm/test/CodeGen/X86/vec_return.ll

@@ -10,7 +10,7 @@ define <2 x double> @test() {
 ; Prefer a constant pool load here.
 ; CHECK: test2
 ; CHECK-NOT: shuf
-; CHECK: movaps {{.*}}CPI
+; CHECK: movaps {{.*}}{{CPI|__xmm@}}
 define <4 x i32> @test2() nounwind  {
 	ret <4 x i32> < i32 0, i32 0, i32 1, i32 0 >
 }