forked from OSchip/llvm-project
55 lines
1.8 KiB
LLVM
55 lines
1.8 KiB
LLVM
; RUN: opt -S -objc-arc < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
|
|
target triple = "i686--windows-msvc"
|
|
|
|
declare i8* @f(i8*, i8*)
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
declare dllimport i8* @llvm.objc.autoreleaseReturnValue(i8* returned)
|
|
declare dllimport i8* @llvm.objc.retain(i8* returned)
|
|
declare dllimport i8* @llvm.objc.retainAutoreleasedReturnValue(i8* returned)
|
|
declare dllimport void @llvm.objc.release(i8*)
|
|
|
|
define i8* @g(i8* %p, i8* %q) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
|
|
entry:
|
|
%0 = tail call i8* @llvm.objc.retain(i8* %p) #0
|
|
%1 = tail call i8* @llvm.objc.retain(i8* %q) #0
|
|
%call = invoke i8* @f(i8* %p, i8* %q)
|
|
to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0
|
|
|
|
catch.dispatch:
|
|
%2 = catchswitch within none [label %catch] unwind to caller
|
|
|
|
catch:
|
|
%3 = catchpad within %2 [i8* null, i32 64, i8* null]
|
|
catchret from %3 to label %cleanup
|
|
|
|
invoke.cont:
|
|
%4 = tail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) #0
|
|
br label %cleanup
|
|
|
|
cleanup:
|
|
%retval.0 = phi i8* [ %call, %invoke.cont ], [ null, %catch ]
|
|
tail call void @llvm.objc.release(i8* %q) #0, !clang.imprecise_release !0
|
|
tail call void @llvm.objc.release(i8* %p) #0, !clang.imprecise_release !0
|
|
%5 = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %retval.0) #0
|
|
ret i8* %retval.0
|
|
}
|
|
|
|
; CHECK-LABEL: entry:
|
|
; CHECK-NEXT: %0 = tail call i8* @llvm.objc.retain(i8* %p) #0
|
|
; CHECK-NEXT: %call = invoke i8* @f(i8* %p, i8* %q)
|
|
; CHECK-NEXT: to label %invoke.cont unwind label %catch.dispatch
|
|
|
|
; CHECK-LABEL: catch.dispatch:
|
|
; CHECK-NEXT: %1 = catchswitch within none [label %catch] unwind to caller
|
|
|
|
; CHECK-LABEL: cleanup:
|
|
; CHECK: tail call void @llvm.objc.release(i8* %p) #0
|
|
|
|
attributes #0 = { nounwind }
|
|
|
|
!0 = !{}
|