[NFC] Use FileCheck for llvm-reduce interesness test

This makes the test added in 6187eeb683d8c639282d437e6af585e9b7f9c93e
easier to understand since you no longer have to look at another script
to see if it's doing the right thing.

diff --git a/llvm/test/Reduce/remove-args-2.ll b/llvm/test/Reduce/remove-args-2.ll
index fddcfc7..25b5b32 100644 (file)
--- a/llvm/test/Reduce/remove-args-2.ll
+++ b/llvm/test/Reduce/remove-args-2.ll
@@ -1,19 +1,22 @@
 ; Test that llvm-reduce can remove uninteresting function arguments from function definitions as well as their calls.
 ; This test checks that functions with different argument types are handled correctly
 ;
-; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-args.py %s -o %t
-; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
+; RUN: llvm-reduce --test FileCheck --test-arg --check-prefixes=CHECK-ALL,CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
+; RUN: FileCheck --check-prefixes=CHECK-ALL,CHECK-FINAL %s --input-file %t
 
 %struct.foo = type { %struct.foo*, i32, i32, i8* }
 
 define dso_local void @bar() {
 entry:
-  ; CHECK: call void @interesting(%struct.foo* null)
+  ; CHECK-INTERESTINGNESS: call void @interesting(
+  ; CHECK-FINAL: call void @interesting(%struct.foo* null)
   call void @interesting(i32 0, i8* null, %struct.foo* null, i8* null, i64 0)
   ret void
 }
 
-; CHECK: define internal void @interesting(%struct.foo* %interesting) {
+; CHECK-ALL: define internal void @interesting
+; CHECK-INTERESTINGNESS-SAME: ({{.*}}%interesting{{.*}}) {
+; CHECK-FINAL-SAME: (%struct.foo* %interesting) {
 define internal void @interesting(i32 %uninteresting1, i8* %uninteresting2, %struct.foo* %interesting, i8* %uninteresting3, i64 %uninteresting4) {
 entry:
   ret void