105 lines · plain
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-dispatch-method=mixed -fobjc-runtime-has-weak -fexceptions -fobjc-exceptions -o - %s | FileCheck %s2 3@interface NSObject4- (id) new;5@end6 7@interface MyObject : NSObject8- (char)isEqual:(id) __attribute__((ns_consumed)) object;9- (_Complex float) asComplexWithArg: (id) __attribute__((ns_consumed)) object;10+(instancetype)m0:(id) __attribute__((ns_consumed)) object;11@end12 13MyObject *x;14 15void test0(void) {16 id obj = [NSObject new];17 [x isEqual : obj];18}19// CHECK-LABEL: define{{.*}} void @test0()20// CHECK: [[FIVE:%.*]] = call ptr @llvm.objc.retain21// CHECK-NEXT: [[SEVEN:%.*]] = icmp eq ptr {{.*}}, null22// CHECK-NEXT: br i1 [[SEVEN]], label [[NULLINIT:%.*]], label [[CALL_LABEL:%.*]]23// CHECK: [[FN:%.*]] = load ptr, ptr24// CHECK-NEXT: [[CALL:%.*]] = call signext i8 [[FN]]25// CHECK-NEXT: br label [[CONT:%.*]]26// CHECK: call void @llvm.objc.release(ptr [[FIVE]]) [[NUW:#[0-9]+]]27// CHECK-NEXT: br label [[CONT]]28// CHECK: phi i8 [ [[CALL]], {{%.*}} ], [ 0, {{%.*}} ]29 30// Ensure that we build PHIs correctly in the presence of cleanups.31void test1(void) {32 id obj = [NSObject new];33 __weak id weakObj = obj;34 _Complex float result = [x asComplexWithArg: obj];35}36// CHECK-LABEL: define{{.*}} void @test1()37// CHECK: [[OBJ:%.*]] = alloca ptr, align 838// CHECK-NEXT: [[WEAKOBJ:%.*]] = alloca ptr, align 839// CHECK-NEXT: [[RESULT:%.*]] = alloca { float, float }, align 440// Various initializations.41// CHECK: [[T0:%.*]] = call ptr42// CHECK-NEXT: store ptr [[T0]], ptr [[OBJ]]43// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[OBJ]]44// CHECK-NEXT: call ptr @llvm.objc.initWeak(ptr [[WEAKOBJ]], ptr [[T0]]) [[NUW]]45// Okay, start the message-send.46// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr @x47// CHECK-NEXT: [[ARG:%.*]] = load ptr, ptr [[OBJ]]48// CHECK-NEXT: [[ARG_RETAINED:%.*]] = call ptr @llvm.objc.retain(ptr [[ARG]])49// Null check.50// CHECK-NEXT: [[T1:%.*]] = icmp eq ptr [[T0]], null51// CHECK-NEXT: br i1 [[T1]], label [[FORNULL:%.*]], label %[[FORCALL:.*]]52// Invoke and produce the return values.53// CHECK: [[FORCALL]]:54// CHECK-NEXT: load ptr, ptr @OBJC_SELECTOR_REFERENCES_55// CHECK-NEXT: [[CALL:%.*]] = invoke <2 x float>56// CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label {{%.*}}57// CHECK: store <2 x float> [[CALL]], ptr [[COERCE:%.*]],58// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[COERCE]], i32 0, i32 059// CHECK-NEXT: [[REALCALL:%.*]] = load float, ptr [[T0]]60// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[COERCE]], i32 0, i32 161// CHECK-NEXT: [[IMAGCALL:%.*]] = load float, ptr [[T0]]62// CHECK-NEXT: br label [[CONT:%.*]]{{$}}63// Null path.64// CHECK: call void @llvm.objc.release(ptr [[ARG_RETAINED]]) [[NUW]]65// CHECK-NEXT: br label [[CONT]]66// Join point.67// CHECK: [[REAL:%.*]] = phi float [ [[REALCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ]68// CHECK-NEXT: [[IMAG:%.*]] = phi float [ [[IMAGCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ]69// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[RESULT]], i32 0, i32 070// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[RESULT]], i32 0, i32 171// CHECK-NEXT: store float [[REAL]], ptr [[T0]]72// CHECK-NEXT: store float [[IMAG]], ptr [[T1]]73// Epilogue.74// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[WEAKOBJ]]) [[NUW]]75// CHECK-NEXT: call void @llvm.objc.storeStrong(ptr [[OBJ]], ptr null) [[NUW]]76// CHECK-NEXT: ret void77// Cleanup.78// CHECK: landingpad79// CHECK: call void @llvm.objc.destroyWeak(ptr [[WEAKOBJ]]) [[NUW]]80 81void test2(id a) {82 id obj = [MyObject m0:a];83}84 85// CHECK-LABEL: define{{.*}} void @test2(86// CHECK: %[[CALL:.*]] = call ptr @objc_msgSend87// CHECK-NEXT: %[[V6:.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]])88 89// CHECK: phi ptr [ %[[V6]], %{{.*}} ], [ null, %{{.*}} ]90 91void test3(id a) {92 @try {93 id obj = [MyObject m0:a];94 } @catch (id x) {95 }96}97 98// CHECK-LABEL: define{{.*}} void @test3(99// CHECK: %[[CALL:.*]] = invoke ptr @objc_msgSend100// CHECK: %[[V6:.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]])101 102// CHECK: phi ptr [ %[[V6]], %{{.*}} ], [ null, %{{.*}} ]103 104// CHECK: attributes [[NUW]] = { nounwind }105