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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=objc-arc < %s | FileCheck %s3 4target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"5target triple = "i686--windows-msvc"6 7declare ptr @f(ptr, ptr)8 9declare i32 @__CxxFrameHandler3(...)10 11declare dllimport ptr @llvm.objc.autoreleaseReturnValue(ptr returned)12declare dllimport ptr @llvm.objc.retain(ptr returned)13declare dllimport ptr @llvm.objc.retainAutoreleasedReturnValue(ptr returned)14declare dllimport void @llvm.objc.release(ptr)15 16define ptr @g(ptr %p, ptr %q) local_unnamed_addr personality ptr @__CxxFrameHandler3 {17; CHECK-LABEL: @g(18; CHECK-NEXT: entry:19; CHECK-NEXT: [[TMP0:%.*]] = tail call ptr @llvm.objc.retain(ptr [[P:%.*]]) #[[ATTR0:[0-9]+]]20; CHECK-NEXT: [[V1:%.*]] = call ptr @f(ptr null, ptr null)21; CHECK-NEXT: [[CALL:%.*]] = invoke ptr @f(ptr [[P]], ptr [[Q:%.*]])22; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[CATCH_DISPATCH:%.*]], !clang.arc.no_objc_arc_exceptions !023; CHECK: catch.dispatch:24; CHECK-NEXT: [[TMP1:%.*]] = catchswitch within none [label %catch] unwind to caller25; CHECK: catch:26; CHECK-NEXT: [[TMP2:%.*]] = catchpad within [[TMP1]] [ptr null, i32 64, ptr null]27; CHECK-NEXT: catchret from [[TMP2]] to label [[CLEANUP:%.*]]28; CHECK: invoke.cont:29; CHECK-NEXT: [[TMP3:%.*]] = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[CALL]]) #[[ATTR0]]30; CHECK-NEXT: br label [[CLEANUP]]31; CHECK: cleanup:32; CHECK-NEXT: [[RETVAL_0:%.*]] = phi ptr [ [[CALL]], [[INVOKE_CONT]] ], [ null, [[CATCH:%.*]] ]33; CHECK-NEXT: tail call void @llvm.objc.release(ptr [[P]]) #[[ATTR0]], !clang.imprecise_release !034; CHECK-NEXT: [[TMP4:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[RETVAL_0]]) #[[ATTR0]]35; CHECK-NEXT: ret ptr [[RETVAL_0]]36;37entry:38 %0 = tail call ptr @llvm.objc.retain(ptr %p) #039 ; the following call prevents ARC optimizer from removing the retain/release40 ; pair on %p41 %v1 = call ptr @f(ptr null, ptr null)42 %1 = tail call ptr @llvm.objc.retain(ptr %q) #043 %call = invoke ptr @f(ptr %p, ptr %q)44 to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !045 46catch.dispatch:47 %2 = catchswitch within none [label %catch] unwind to caller48 49catch:50 %3 = catchpad within %2 [ptr null, i32 64, ptr null]51 catchret from %3 to label %cleanup52 53invoke.cont:54 %4 = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %call) #055 br label %cleanup56 57cleanup:58 %retval.0 = phi ptr [ %call, %invoke.cont ], [ null, %catch ]59 tail call void @llvm.objc.release(ptr %q) #0, !clang.imprecise_release !060 tail call void @llvm.objc.release(ptr %p) #0, !clang.imprecise_release !061 %5 = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr %retval.0) #062 ret ptr %retval.063}64 65attributes #0 = { nounwind }66 67!0 = !{}68