Mark functions in some tests as 'nounwind'.  Generating
EH info for these functions causes the tests to fail for
random reasons (e.g. looking for 'or' or counting lines
with asm-printer; labels count as lines.)

llvm-svn: 49003
diff --git a/llvm/test/CodeGen/X86/zero-remat.ll b/llvm/test/CodeGen/X86/zero-remat.ll
index 9300c12..5195a11 100644
--- a/llvm/test/CodeGen/X86/zero-remat.ll
+++ b/llvm/test/CodeGen/X86/zero-remat.ll
@@ -6,11 +6,11 @@
 declare void @bar(double %x)
 declare void @barf(float %x)
 
-define double @foo() {
+define double @foo() nounwind {
   call void @bar(double 0.0)
   ret double 0.0
 }
-define float @foof() {
+define float @foof() nounwind {
   call void @barf(float 0.0)
   ret float 0.0
 }