Disambiguate function names in some CodeGen tests. (Some tests were using function names that also were names of instructions and/or doing other unusual things that were making the test not amenable to otherwise scriptable pattern matching.) No functionality change.

llvm-svn: 186621
diff --git a/llvm/test/CodeGen/ARM/umulo-32.ll b/llvm/test/CodeGen/ARM/umulo-32.ll
index fa5c016..19875ce 100644
--- a/llvm/test/CodeGen/ARM/umulo-32.ll
+++ b/llvm/test/CodeGen/ARM/umulo-32.ll
@@ -2,8 +2,8 @@
 
 %umul.ty = type { i32, i1 }
 
-define i32 @func(i32 %a) nounwind {
-; CHECK: func
+define i32 @test1(i32 %a) nounwind {
+; CHECK: test1:
 ; CHECK: muldi3
   %tmp0 = tail call %umul.ty @llvm.umul.with.overflow.i32(i32 %a, i32 37)
   %tmp1 = extractvalue %umul.ty %tmp0, 0
@@ -13,8 +13,8 @@
 
 declare %umul.ty @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
 
-define i32 @f(i32 %argc, i8** %argv) ssp {
-; CHECK: func
+define i32 @test2(i32 %argc, i8** %argv) ssp {
+; CHECK: test2:
 ; CHECK: str     r0
 ; CHECK: movs    r2
 ; CHECK: mov     r1