mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-27 15:29:51 +00:00
I really need to find a way to automate this, but I can't come up with a regex that has no false positives while handling tricky cases like custom check prefixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162097 91177308-0d34-0410-b5e6-96231b3b80d8
219 lines
6.5 KiB
LLVM
219 lines
6.5 KiB
LLVM
; 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()
|
|
declare i8* @returner()
|
|
|
|
; 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
|
|
; CHECK-NOT: @objc_r
|
|
; CHECK: finally.cont:
|
|
; CHECK-NEXT: call void @objc_release
|
|
; CHECK-NOT: @objc
|
|
; CHECK: finally.rethrow:
|
|
; CHECK-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
|
|
}
|
|
|
|
; Don't try to place code on invoke critical edges.
|
|
|
|
; CHECK: define void @test3(
|
|
; CHECK: if.end:
|
|
; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
|
|
; CHECK-NEXT: ret void
|
|
define void @test3(i8* %p, i1 %b) {
|
|
entry:
|
|
%0 = call i8* @objc_retain(i8* %p)
|
|
call void @callee()
|
|
br i1 %b, label %if.else, label %if.then
|
|
|
|
if.then:
|
|
invoke void @use_pointer(i8* %p)
|
|
to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
|
|
|
|
if.else:
|
|
invoke void @use_pointer(i8* %p)
|
|
to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
|
|
|
|
lpad:
|
|
%r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
|
|
cleanup
|
|
ret void
|
|
|
|
if.end:
|
|
call void @objc_release(i8* %p)
|
|
ret void
|
|
}
|
|
|
|
; Like test3, but with ARC-relevant exception handling.
|
|
|
|
; CHECK: define void @test4(
|
|
; CHECK: lpad:
|
|
; CHECK-NEXT: %r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
|
|
; CHECK-NEXT: ret void
|
|
; CHECK: if.end:
|
|
; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
|
|
; CHECK-NEXT: ret void
|
|
define void @test4(i8* %p, i1 %b) {
|
|
entry:
|
|
%0 = call i8* @objc_retain(i8* %p)
|
|
call void @callee()
|
|
br i1 %b, label %if.else, label %if.then
|
|
|
|
if.then:
|
|
invoke void @use_pointer(i8* %p)
|
|
to label %if.end unwind label %lpad
|
|
|
|
if.else:
|
|
invoke void @use_pointer(i8* %p)
|
|
to label %if.end unwind label %lpad
|
|
|
|
lpad:
|
|
%r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
|
|
cleanup
|
|
call void @objc_release(i8* %p)
|
|
ret void
|
|
|
|
if.end:
|
|
call void @objc_release(i8* %p)
|
|
ret void
|
|
}
|
|
|
|
; Don't turn the retainAutoreleaseReturnValue into retain, because it's
|
|
; for an invoke which we can assume codegen will put immediately prior.
|
|
|
|
; CHECK: define void @test5(
|
|
; CHECK: call i8* @objc_retainAutoreleasedReturnValue(i8* %z)
|
|
; CHECK: }
|
|
define void @test5() {
|
|
entry:
|
|
%z = invoke i8* @returner()
|
|
to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
|
|
|
|
lpad:
|
|
%r13 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
|
|
cleanup
|
|
ret void
|
|
|
|
if.end:
|
|
call i8* @objc_retainAutoreleasedReturnValue(i8* %z)
|
|
ret void
|
|
}
|
|
|
|
; Like test5, but there's intervening code.
|
|
|
|
; CHECK: define void @test6(
|
|
; CHECK: call i8* @objc_retain(i8* %z)
|
|
; CHECK: }
|
|
define void @test6() {
|
|
entry:
|
|
%z = invoke i8* @returner()
|
|
to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
|
|
|
|
lpad:
|
|
%r13 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
|
|
cleanup
|
|
ret void
|
|
|
|
if.end:
|
|
call void @callee()
|
|
call i8* @objc_retainAutoreleasedReturnValue(i8* %z)
|
|
ret void
|
|
}
|
|
|
|
declare i32 @__gxx_personality_v0(...)
|
|
declare i32 @__objc_personality_v0(...)
|
|
|
|
!0 = metadata !{}
|