diff --git a/clang/test/CodeGen/func-attr.c b/clang/test/CodeGen/func-attr.c
--- a/clang/test/CodeGen/func-attr.c
+++ b/clang/test/CodeGen/func-attr.c
@@ -8,5 +8,5 @@
   return a+b;
 }
 
-// CHECK: define{{.*}} float @foo(float noundef %a, float noundef %b) [[FAST_ATTRS:#[0-9]+]]
+// CHECK: define{{.*}} float @foo(float noundef %{{.*}}, float noundef %{{.*}}) [[FAST_ATTRS:#[0-9]+]]
 // CHECK: attributes [[FAST_ATTRS]] = { {{.*}} "approx-func-fp-math"="true" {{.*}} "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" {{.*}} "unsafe-fp-math"="true"