; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=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 ptr @f(ptr, ptr) declare i32 @__CxxFrameHandler3(...) declare dllimport ptr @llvm.objc.autoreleaseReturnValue(ptr returned) declare dllimport ptr @llvm.objc.retain(ptr returned) declare dllimport ptr @llvm.objc.retainAutoreleasedReturnValue(ptr returned) declare dllimport void @llvm.objc.release(ptr) define ptr @g(ptr %p, ptr %q) local_unnamed_addr personality ptr @__CxxFrameHandler3 { ; CHECK-LABEL: @g( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = tail call ptr @llvm.objc.retain(ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] ; CHECK-NEXT: [[V1:%.*]] = call ptr @f(ptr null, ptr null) ; CHECK-NEXT: [[CALL:%.*]] = invoke ptr @f(ptr [[P]], ptr [[Q:%.*]]) ; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[CATCH_DISPATCH:%.*]], !clang.arc.no_objc_arc_exceptions !0 ; CHECK: catch.dispatch: ; CHECK-NEXT: [[TMP1:%.*]] = catchswitch within none [label %catch] unwind to caller ; CHECK: catch: ; CHECK-NEXT: [[TMP2:%.*]] = catchpad within [[TMP1]] [ptr null, i32 64, ptr null] ; CHECK-NEXT: catchret from [[TMP2]] to label [[CLEANUP:%.*]] ; CHECK: invoke.cont: ; CHECK-NEXT: [[TMP3:%.*]] = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[CALL]]) #[[ATTR0]] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[CALL]], [[INVOKE_CONT]] ], [ null, [[CATCH:%.*]] ] ; CHECK-NEXT: tail call void @llvm.objc.release(ptr [[P]]) #[[ATTR0]], !clang.imprecise_release !0 ; CHECK-NEXT: [[TMP4:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[RETVAL_0]]) #[[ATTR0]] ; CHECK-NEXT: ret ptr [[RETVAL_0]] ; entry: %0 = tail call ptr @llvm.objc.retain(ptr %p) #0 ; the following call prevents ARC optimizer from removing the retain/release ; pair on %p %v1 = call ptr @f(ptr null, ptr null) %1 = tail call ptr @llvm.objc.retain(ptr %q) #0 %call = invoke ptr @f(ptr %p, ptr %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 [ptr null, i32 64, ptr null] catchret from %3 to label %cleanup invoke.cont: %4 = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %call) #0 br label %cleanup cleanup: %retval.0 = phi ptr [ %call, %invoke.cont ], [ null, %catch ] tail call void @llvm.objc.release(ptr %q) #0, !clang.imprecise_release !0 tail call void @llvm.objc.release(ptr %p) #0, !clang.imprecise_release !0 %5 = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr %retval.0) #0 ret ptr %retval.0 } attributes #0 = { nounwind } !0 = !{}