You've already forked linux-packaging-mono
51 lines
1.8 KiB
LLVM
51 lines
1.8 KiB
LLVM
|
; RUN: opt -S -objc-arc < %s | FileCheck %s
|
||
|
|
|
||
|
|
; Handle a retain+release pair entirely contained within a split loop backedge.
|
||
|
|
; rdar://11256239
|
||
|
|
|
||
|
|
; CHECK-LABEL: define void @test0(
|
||
|
|
; CHECK: call i8* @objc_retain(i8* %call) [[NUW:#[0-9]+]]
|
||
|
|
; CHECK: call i8* @objc_retain(i8* %call) [[NUW]]
|
||
|
|
; CHECK: call i8* @objc_retain(i8* %cond) [[NUW]]
|
||
|
|
; CHECK: call void @objc_release(i8* %call) [[NUW]]
|
||
|
|
; CHECK: call void @objc_release(i8* %call) [[NUW]]
|
||
|
|
; CHECK: call void @objc_release(i8* %cond) [[NUW]]
|
||
|
|
define void @test0() personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*) {
|
||
|
|
entry:
|
||
|
|
br label %while.body
|
||
|
|
|
||
|
|
while.body: ; preds = %while.cond
|
||
|
|
%call = invoke i8* @returner()
|
||
|
|
to label %invoke.cont unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
|
||
|
|
|
||
|
|
invoke.cont: ; preds = %while.body
|
||
|
|
%t0 = call i8* @objc_retain(i8* %call) nounwind
|
||
|
|
%t1 = call i8* @objc_retain(i8* %call) nounwind
|
||
|
|
%call.i1 = invoke i8* @returner()
|
||
|
|
to label %invoke.cont1 unwind label %lpad
|
||
|
|
|
||
|
|
invoke.cont1: ; preds = %invoke.cont
|
||
|
|
%cond = select i1 undef, i8* null, i8* %call
|
||
|
|
%t2 = call i8* @objc_retain(i8* %cond) nounwind
|
||
|
|
call void @objc_release(i8* %call) nounwind
|
||
|
|
call void @objc_release(i8* %call) nounwind
|
||
|
|
call void @use_pointer(i8* %cond)
|
||
|
|
call void @objc_release(i8* %cond) nounwind
|
||
|
|
br label %while.body
|
||
|
|
|
||
|
|
lpad: ; preds = %invoke.cont, %while.body
|
||
|
|
%t4 = landingpad { i8*, i32 }
|
||
|
|
catch i8* null
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i8* @returner()
|
||
|
|
declare i32 @__objc_personality_v0(...)
|
||
|
|
declare void @objc_release(i8*)
|
||
|
|
declare i8* @objc_retain(i8*)
|
||
|
|
declare void @use_pointer(i8*)
|
||
|
|
|
||
|
|
!0 = !{}
|
||
|
|
|
||
|
|
; CHECK: attributes [[NUW]] = { nounwind }
|