| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-dispatch-method=mixed -fobjc-runtime-has-weak -fexceptions -o - %s | FileCheck %s |
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| 2 | |
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| 3 | @interface NSObject |
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| 4 | - (id) new; |
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| 5 | @end |
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| 6 | |
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| 7 | @interface MyObject : NSObject |
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| 8 | - (char)isEqual:(id) __attribute__((ns_consumed)) object; |
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| 9 | - (_Complex float) asComplexWithArg: (id) __attribute__((ns_consumed)) object; |
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| 10 | @end |
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| 11 | |
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| 12 | MyObject *x; |
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| 13 | |
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| 14 | // rdar://10444476 |
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| 15 | void test0(void) { |
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| 16 | id obj = [NSObject new]; |
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| 17 | [x isEqual : obj]; |
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| 18 | } |
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| 19 | // CHECK-LABEL: define void @test0() |
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| 20 | // CHECK: [[FIVE:%.*]] = call i8* @llvm.objc.retain |
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| 21 | // CHECK-NEXT: [[SIX:%.*]] = bitcast |
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| 22 | // CHECK-NEXT: [[SEVEN:%.*]] = icmp eq i8* [[SIX]], null |
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| 23 | // CHECK-NEXT: br i1 [[SEVEN]], label [[NULLINIT:%.*]], label [[CALL_LABEL:%.*]] |
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| 24 | // CHECK: [[FN:%.*]] = load i8*, i8** getelementptr inbounds |
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| 25 | // CHECK-NEXT: [[EIGHT:%.*]] = bitcast i8* [[FN]] |
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| 26 | // CHECK-NEXT: [[CALL:%.*]] = call signext i8 [[EIGHT]] |
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| 27 | // CHECK-NEXT: br label [[CONT:%.*]] |
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| 28 | // CHECK: call void @llvm.objc.release(i8* [[FIVE]]) [[NUW:#[0-9]+]] |
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| 29 | // CHECK-NEXT: br label [[CONT]] |
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| 30 | // CHECK: phi i8 [ [[CALL]], {{%.*}} ], [ 0, {{%.*}} ] |
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| 31 | |
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| 32 | // Ensure that we build PHIs correctly in the presence of cleanups. |
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| 33 | // rdar://12046763 |
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| 34 | void test1(void) { |
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| 35 | id obj = [NSObject new]; |
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| 36 | __weak id weakObj = obj; |
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| 37 | _Complex float result = [x asComplexWithArg: obj]; |
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| 38 | } |
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| 39 | // CHECK-LABEL: define void @test1() |
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| 40 | // CHECK: [[OBJ:%.*]] = alloca i8*, align 8 |
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| 41 | // CHECK-NEXT: [[WEAKOBJ:%.*]] = alloca i8*, align 8 |
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| 42 | // CHECK-NEXT: [[RESULT:%.*]] = alloca { float, float }, align 4 |
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| 43 | // Various initializations. |
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| 44 | // CHECK: [[T0:%.*]] = call i8* bitcast ( |
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| 45 | // CHECK-NEXT: store i8* [[T0]], i8** [[OBJ]] |
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| 46 | // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[OBJ]] |
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| 47 | // CHECK-NEXT: call i8* @llvm.objc.initWeak(i8** [[WEAKOBJ]], i8* [[T0]]) [[NUW]] |
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| 48 | // Okay, start the message-send. |
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| 49 | // CHECK-NEXT: [[T0:%.*]] = load [[MYOBJECT:%.*]]*, [[MYOBJECT:%.*]]** @x |
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| 50 | // CHECK-NEXT: [[ARG:%.*]] = load i8*, i8** [[OBJ]] |
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| 51 | // CHECK-NEXT: [[ARG_RETAINED:%.*]] = call i8* @llvm.objc.retain(i8* [[ARG]]) |
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| 52 | // CHECK-NEXT: load i8*, i8** @ |
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| 53 | // CHECK-NEXT: [[SELF:%.*]] = bitcast [[MYOBJECT]]* [[T0]] to i8* |
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| 54 | // Null check. |
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| 55 | // CHECK-NEXT: [[T0:%.*]] = icmp eq i8* [[SELF]], null |
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| 56 | // CHECK-NEXT: br i1 [[T0]], label [[FORNULL:%.*]], label [[FORCALL:%.*]] |
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| 57 | // Invoke and produce the return values. |
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| 58 | // CHECK: [[CALL:%.*]] = invoke <2 x float> bitcast |
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| 59 | // CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label {{%.*}} |
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| 60 | // CHECK: [[T0:%.*]] = bitcast { float, float }* [[COERCE:%.*]] to <2 x float>* |
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| 61 | // CHECK-NEXT: store <2 x float> [[CALL]], <2 x float>* [[T0]], |
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| 62 | // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[COERCE]], i32 0, i32 0 |
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| 63 | // CHECK-NEXT: [[REALCALL:%.*]] = load float, float* [[T0]] |
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| 64 | // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[COERCE]], i32 0, i32 1 |
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| 65 | // CHECK-NEXT: [[IMAGCALL:%.*]] = load float, float* [[T0]] |
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| 66 | // CHECK-NEXT: br label [[CONT:%.*]]{{$}} |
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| 67 | // Null path. |
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| 68 | // CHECK: call void @llvm.objc.release(i8* [[ARG_RETAINED]]) [[NUW]] |
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| 69 | // CHECK-NEXT: br label [[CONT]] |
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| 70 | // Join point. |
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| 71 | // CHECK: [[REAL:%.*]] = phi float [ [[REALCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ] |
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| 72 | // CHECK-NEXT: [[IMAG:%.*]] = phi float [ [[IMAGCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ] |
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| 73 | // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[RESULT]], i32 0, i32 0 |
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| 74 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds { float, float }, { float, float }* [[RESULT]], i32 0, i32 1 |
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| 75 | // CHECK-NEXT: store float [[REAL]], float* [[T0]] |
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| 76 | // CHECK-NEXT: store float [[IMAG]], float* [[T1]] |
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| 77 | // Epilogue. |
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| 78 | // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[WEAKOBJ]]) [[NUW]] |
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| 79 | // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[OBJ]], i8* null) [[NUW]] |
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| 80 | // CHECK-NEXT: ret void |
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| 81 | // Cleanup. |
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| 82 | // CHECK: landingpad |
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| 83 | // CHECK: call void @llvm.objc.destroyWeak(i8** [[WEAKOBJ]]) [[NUW]] |
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| 84 | |
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| 85 | // CHECK: attributes [[NUW]] = { nounwind } |
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| 86 | |
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