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; RUN: opt -S -objc-arc < %s | FileCheck %s
declare i8* @objc_retain(i8*)
declare void @objc_release(i8*)
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
declare i8* @objc_msgSend(i8*, i8*, ...)
declare void @use_pointer(i8*)
declare void @callee()
; ARCOpt shouldn't try to move the releases to the block containing the invoke.
; CHECK: define void @test0(
; CHECK: invoke.cont:
; CHECK: call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
; CHECK: ret void
; CHECK: lpad:
; CHECK: call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
; CHECK: ret void
define void @test0(i8* %zipFile) {
entry:
call i8* @objc_retain(i8* %zipFile) nounwind
call void @use_pointer(i8* %zipFile)
invoke void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*)*)(i8* %zipFile)
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
ret void
lpad: ; preds = %entry
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
ret void
}
; ARCOpt should move the release before the callee calls.
; CHECK: define void @test1(
; CHECK: invoke.cont:
; CHECK: call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
; CHECK: call void @callee()
; CHECK: br label %done
; CHECK: lpad:
; CHECK: call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
; CHECK: call void @callee()
; CHECK: br label %done
; CHECK: done:
; CHECK-NEXT: ret void
define void @test1(i8* %zipFile) {
entry:
call i8* @objc_retain(i8* %zipFile) nounwind
call void @use_pointer(i8* %zipFile)
invoke void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*)*)(i8* %zipFile)
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
call void @callee()
br label %done
lpad: ; preds = %entry
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
call void @callee()
br label %done
done:
call void @objc_release(i8* %zipFile) nounwind, !clang.imprecise_release !0
ret void
}
; The optimizer should ignore invoke unwind paths consistently.
; PR12265
; CHECK: define void @test2() {
; CHECK: invoke.cont:
; CHECK-NEXT: call i8* @objc_retain
; CHEK-NOT: @objc
; CHECK: finally.cont:
; CHECK-NEXT: call void @objc_release
; CHEK-NOT: @objc
; CHECK: finally.rethrow:
; CHEK-NOT: @objc
; CHECK: }
define void @test2() {
entry:
%call = invoke i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* ()*)()
to label %invoke.cont unwind label %finally.rethrow, !clang.arc.no_objc_arc_exceptions !0
invoke.cont: ; preds = %entry
%tmp1 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %call) nounwind
call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void ()*)(), !clang.arc.no_objc_arc_exceptions !0
invoke void @use_pointer(i8* %call)
to label %finally.cont unwind label %finally.rethrow, !clang.arc.no_objc_arc_exceptions !0
finally.cont: ; preds = %invoke.cont
tail call void @objc_release(i8* %call) nounwind, !clang.imprecise_release !0
ret void
finally.rethrow: ; preds = %invoke.cont, %entry
%tmp2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
catch i8* null
unreachable
}
declare i32 @__gxx_personality_v0(...)
declare i32 @__objc_personality_v0(...)
!0 = metadata !{}
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