File: remove-invoked-functions.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=instructions --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 < %t

; CHECK-INTERESTINGNESS: define i32 @maybe_throwing_callee(
; CHECK-FINAL: define i32 @maybe_throwing_callee(i32 %arg)
define i32 @maybe_throwing_callee(i32 %arg) {
; CHECK-ALL: call void @thrown()
; CHECK-INTERESTINGNESS: ret i32
; CHECK-FINAL: ret i32 %arg
  call void @thrown()
  ret i32 %arg
}

; CHECK-ALL: declare void @did_not_throw(i32)
declare void @did_not_throw(i32)

; CHECK-ALL: declare void @thrown()
declare void @thrown()

; CHECK-INTERESTINGNESS: define void @caller(
; CHECK-FINAL: define void @caller(i32 %arg)
define void @caller(i32 %arg) personality ptr @__gxx_personality_v0 {
; CHECK-ALL: bb:
bb:
; CHECK-INTERESTINGNESS: %i0 = invoke i32 {{.*}}@maybe_throwing_callee
; CHECK-FINAL: %i0 = invoke i32 @maybe_throwing_callee
; CHECK-ALL: to label %bb3 unwind label %bb1
  %i0 = invoke i32 @maybe_throwing_callee(i32 %arg)
          to label %bb3 unwind label %bb1

; CHECK-ALL: bb1:
bb1:
; CHECK-ALL: landingpad { ptr, i32 }
; CHECK-ALL: catch ptr null
; CHECK-ALL: call void @thrown()
; CHECK-ALL: br label %bb4
  landingpad { ptr, i32 }
  catch ptr null
  call void @thrown()
  br label %bb4

; CHECK-ALL: bb3:
bb3:
; CHECK-ALL: call void @did_not_throw(i32 %i0)
; CHECK-ALL: br label %bb4
  call void @did_not_throw(i32 %i0)
  br label %bb4

; CHECK-ALL: bb4:
; CHECK-ALL: ret void
bb4:
  ret void
}

declare i32 @__gxx_personality_v0(...)