test/Transforms/InstCombine/sink-into-resume-block.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S < %s | FileCheck %s

; Check that InstCombine can sink instructions to the landingpad of the invoke.

define void @t0_noop(i32 %arg) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; CHECK-LABEL: @t0_noop(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[C:%.*]] = call i1 @cond()
; CHECK-NEXT:    br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK:       if.then:
; CHECK-NEXT:    invoke void @simple_throw()
; CHECK-NEXT:    to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
; CHECK:       invoke.cont:
; CHECK-NEXT:    unreachable
; CHECK:       lpad:
; CHECK-NEXT:    [[EH:%.*]] = landingpad { i8*, i32 }
; CHECK-NEXT:    cleanup
; CHECK-NEXT:    [[V0:%.*]] = add i32 [[ARG:%.*]], 42
; CHECK-NEXT:    call void @consume(i32 [[V0]])
; CHECK-NEXT:    call void @destructor()
; CHECK-NEXT:    resume { i8*, i32 } [[EH]]
; CHECK:       if.end:
; CHECK-NEXT:    [[V1:%.*]] = add i32 [[ARG]], 24
; CHECK-NEXT:    call void @consume(i32 [[V1]])
; CHECK-NEXT:    call void @sideeffect()
; CHECK-NEXT:    ret void
;
entry:
  %c = call i1 @cond()
  %v0 = add i32 %arg, 42
  %v1 = add i32 %arg, 24
  br i1 %c, label %if.then, label %if.end

if.then:
  invoke void @simple_throw() to label %invoke.cont unwind label %lpad

invoke.cont:
  unreachable

lpad:
  %eh = landingpad { i8*, i32 } cleanup
  call void @consume(i32 %v0)
  call void @destructor()
  resume { i8*, i32 } %eh

if.end:
  call void @consume(i32 %v1)
  call void @sideeffect()
  ret void
}

declare i1 @cond()

declare void @sideeffect()

declare void @simple_throw() noreturn

declare void @destructor()

declare void @consume(i32)

declare dso_local i32 @__gxx_personality_v0(...)