110 lines
4.7 KiB
Mathematica
110 lines
4.7 KiB
Mathematica
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// 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 %s
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@interface NSObject
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- (id) new;
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@end
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@interface MyObject : NSObject
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- (char)isEqual:(id) __attribute__((ns_consumed)) object;
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- (_Complex float) asComplexWithArg: (id) __attribute__((ns_consumed)) object;
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+(instancetype)m0:(id) __attribute__((ns_consumed)) object;
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@end
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MyObject *x;
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// rdar://10444476
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void test0(void) {
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id obj = [NSObject new];
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[x isEqual : obj];
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}
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// CHECK-LABEL: define{{.*}} void @test0()
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// CHECK: [[FIVE:%.*]] = call i8* @llvm.objc.retain
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// CHECK-NEXT: [[SIX:%.*]] = bitcast
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// CHECK-NEXT: [[SEVEN:%.*]] = icmp eq i8* [[SIX]], null
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// CHECK-NEXT: br i1 [[SEVEN]], label [[NULLINIT:%.*]], label [[CALL_LABEL:%.*]]
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// CHECK: [[FN:%.*]] = load i8*, i8** getelementptr inbounds
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// CHECK-NEXT: [[EIGHT:%.*]] = bitcast i8* [[FN]]
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// CHECK-NEXT: [[CALL:%.*]] = call signext i8 [[EIGHT]]
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// CHECK-NEXT: br label [[CONT:%.*]]
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// CHECK: call void @llvm.objc.release(i8* [[FIVE]]) [[NUW:#[0-9]+]]
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// CHECK-NEXT: br label [[CONT]]
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// CHECK: phi i8 [ [[CALL]], {{%.*}} ], [ 0, {{%.*}} ]
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// Ensure that we build PHIs correctly in the presence of cleanups.
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// rdar://12046763
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void test1(void) {
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id obj = [NSObject new];
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__weak id weakObj = obj;
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_Complex float result = [x asComplexWithArg: obj];
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}
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// CHECK-LABEL: define{{.*}} void @test1()
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// CHECK: [[OBJ:%.*]] = alloca i8*, align 8
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// CHECK-NEXT: [[WEAKOBJ:%.*]] = alloca i8*, align 8
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// CHECK-NEXT: [[RESULT:%.*]] = alloca { float, float }, align 4
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// Various initializations.
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// CHECK: [[T0:%.*]] = call i8* bitcast (
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// CHECK-NEXT: store i8* [[T0]], i8** [[OBJ]]
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// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[OBJ]]
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// CHECK-NEXT: call i8* @llvm.objc.initWeak(i8** [[WEAKOBJ]], i8* [[T0]]) [[NUW]]
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// Okay, start the message-send.
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// CHECK-NEXT: [[T0:%.*]] = load [[MYOBJECT:%.*]]*, [[MYOBJECT:%.*]]** @x
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// CHECK-NEXT: [[ARG:%.*]] = load i8*, i8** [[OBJ]]
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// CHECK-NEXT: [[ARG_RETAINED:%.*]] = call i8* @llvm.objc.retain(i8* [[ARG]])
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// CHECK-NEXT: load i8*, i8** @
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// CHECK-NEXT: [[SELF:%.*]] = bitcast [[MYOBJECT]]* [[T0]] to i8*
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// Null check.
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// CHECK-NEXT: [[T0:%.*]] = icmp eq i8* [[SELF]], null
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// CHECK-NEXT: br i1 [[T0]], label [[FORNULL:%.*]], label [[FORCALL:%.*]]
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// Invoke and produce the return values.
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// CHECK: [[CALL:%.*]] = invoke <2 x float> bitcast
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// CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label {{%.*}}
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// CHECK: [[T0:%.*]] = bitcast { float, float }* [[COERCE:%.*]] to <2 x float>*
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// CHECK-NEXT: store <2 x float> [[CALL]], <2 x float>* [[T0]],
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[COERCE]], i32 0, i32 0
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// CHECK-NEXT: [[REALCALL:%.*]] = load float, float* [[T0]]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[COERCE]], i32 0, i32 1
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// CHECK-NEXT: [[IMAGCALL:%.*]] = load float, float* [[T0]]
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// CHECK-NEXT: br label [[CONT:%.*]]{{$}}
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// Null path.
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// CHECK: call void @llvm.objc.release(i8* [[ARG_RETAINED]]) [[NUW]]
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// CHECK-NEXT: br label [[CONT]]
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// Join point.
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// CHECK: [[REAL:%.*]] = phi float [ [[REALCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ]
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// CHECK-NEXT: [[IMAG:%.*]] = phi float [ [[IMAGCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[RESULT]], i32 0, i32 0
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// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[RESULT]], i32 0, i32 1
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// CHECK-NEXT: store float [[REAL]], float* [[T0]]
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// CHECK-NEXT: store float [[IMAG]], float* [[T1]]
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// Epilogue.
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// CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[WEAKOBJ]]) [[NUW]]
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// CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[OBJ]], i8* null) [[NUW]]
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// CHECK-NEXT: ret void
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// Cleanup.
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// CHECK: landingpad
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// CHECK: call void @llvm.objc.destroyWeak(i8** [[WEAKOBJ]]) [[NUW]]
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void test2(id a) {
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id obj = [MyObject m0:a];
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}
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// CHECK-LABEL: define{{.*}} void @test2(
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// CHECK: %[[CALL:.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
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// CHECK-NEXT: %[[V6:.*]] = {{.*}}call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[CALL]])
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// CHECK: phi i8* [ %[[V6]], %{{.*}} ], [ null, %{{.*}} ]
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void test3(id a) {
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@try {
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id obj = [MyObject m0:a];
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} @catch (id x) {
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}
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}
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// CHECK-LABEL: define{{.*}} void @test3(
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// CHECK: %[[CALL:.*]] = invoke i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
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// CHECK: %[[V6:.*]] = {{.*}}call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[CALL]])
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// CHECK: phi i8* [ %[[V6]], %{{.*}} ], [ null, %{{.*}} ]
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// CHECK: attributes [[NUW]] = { nounwind }
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