llvm-project/llvm/test/Reduce/remove-args-2.ll

; 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 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-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-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
}