diff options
Diffstat (limited to 'test/CodeGenObjC/ns_consume_null_check.m')
| -rw-r--r-- | test/CodeGenObjC/ns_consume_null_check.m | 79 |
1 files changed, 66 insertions, 13 deletions
diff --git a/test/CodeGenObjC/ns_consume_null_check.m b/test/CodeGenObjC/ns_consume_null_check.m index a8e5acd..6a31a80 100644 --- a/test/CodeGenObjC/ns_consume_null_check.m +++ b/test/CodeGenObjC/ns_consume_null_check.m @@ -1,5 +1,4 @@ -// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-dispatch-method=mixed -o - %s | FileCheck %s -// rdar://10444476 +// 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 @interface NSObject - (id) new; @@ -7,26 +6,80 @@ @interface MyObject : NSObject - (char)isEqual:(id) __attribute__((ns_consumed)) object; +- (_Complex float) asComplexWithArg: (id) __attribute__((ns_consumed)) object; @end MyObject *x; -void foo() -{ - id obj = [NSObject new]; - [x isEqual : obj]; +// rdar://10444476 +void test0(void) { + id obj = [NSObject new]; + [x isEqual : obj]; } - -// CHECK: [[TMP:%.*]] = alloca i8{{$}} -// CHECK: [[FIVE:%.*]] = call i8* @objc_retain +// CHECK: define void @test0() +// CHECK: [[FIVE:%.*]] = call i8* @objc_retain // CHECK-NEXT: [[SIX:%.*]] = bitcast // CHECK-NEXT: [[SEVEN:%.*]] = icmp eq i8* [[SIX]], null // CHECK-NEXT: br i1 [[SEVEN]], label [[NULLINIT:%.*]], label [[CALL_LABEL:%.*]] -// CHECK: [[FN:%.*]] = load i8** getelementptr inbounds +// CHECK: [[FN:%.*]] = load i8** getelementptr inbounds // CHECK-NEXT: [[EIGHT:%.*]] = bitcast i8* [[FN]] // CHECK-NEXT: [[CALL:%.*]] = call signext i8 [[EIGHT]] -// CHECK-NEXT: store i8 [[CALL]], i8* [[TMP]] // CHECK-NEXT: br label [[CONT:%.*]] -// CHECK: call void @objc_release(i8* [[FIVE]]) nounwind -// CHECK-NEXT: call void @llvm.memset +// CHECK: call void @objc_release(i8* [[FIVE]]) [[NUW:#[0-9]+]] // CHECK-NEXT: br label [[CONT]] +// CHECK: phi i8 [ [[CALL]], {{%.*}} ], [ 0, {{%.*}} ] + +// Ensure that we build PHIs correctly in the presence of cleanups. +// rdar://12046763 +void test1(void) { + id obj = [NSObject new]; + __weak id weakObj = obj; + _Complex float result = [x asComplexWithArg: obj]; +} +// CHECK: define void @test1() +// CHECK: [[OBJ:%.*]] = alloca i8*, align 8 +// CHECK-NEXT: [[WEAKOBJ:%.*]] = alloca i8*, align 8 +// CHECK-NEXT: [[RESULT:%.*]] = alloca { float, float }, align 4 +// Various initializations. +// CHECK: [[T0:%.*]] = call i8* bitcast ( +// CHECK-NEXT: store i8* [[T0]], i8** [[OBJ]] +// CHECK-NEXT: [[T0:%.*]] = load i8** [[OBJ]] +// CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAKOBJ]], i8* [[T0]]) [[NUW]] +// Okay, start the message-send. +// CHECK-NEXT: [[T0:%.*]] = load [[MYOBJECT:%.*]]** @x +// CHECK-NEXT: [[ARG:%.*]] = load i8** [[OBJ]] +// CHECK-NEXT: [[ARG_RETAINED:%.*]] = call i8* @objc_retain(i8* [[ARG]]) +// CHECK-NEXT: load i8** @ +// CHECK-NEXT: [[SELF:%.*]] = bitcast [[MYOBJECT]]* [[T0]] to i8* +// Null check. +// CHECK-NEXT: [[T0:%.*]] = icmp eq i8* [[SELF]], null +// CHECK-NEXT: br i1 [[T0]], label [[FORNULL:%.*]], label [[FORCALL:%.*]] +// Invoke and produce the return values. +// CHECK: [[CALL:%.*]] = invoke <2 x float> bitcast +// CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label {{%.*}} +// CHECK: [[T0:%.*]] = bitcast { float, float }* [[COERCE:%.*]] to <2 x float>* +// CHECK-NEXT: store <2 x float> [[CALL]], <2 x float>* [[T0]], +// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }* [[COERCE]], i32 0, i32 0 +// CHECK-NEXT: [[REALCALL:%.*]] = load float* [[T0]] +// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }* [[COERCE]], i32 0, i32 1 +// CHECK-NEXT: [[IMAGCALL:%.*]] = load float* [[T0]] +// CHECK-NEXT: br label [[CONT:%.*]]{{$}} +// Null path. +// CHECK: call void @objc_release(i8* [[ARG_RETAINED]]) [[NUW]] +// CHECK-NEXT: br label [[CONT]] +// Join point. +// CHECK: [[REAL:%.*]] = phi float [ [[REALCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ] +// CHECK-NEXT: [[IMAG:%.*]] = phi float [ [[IMAGCALL]], [[INVOKE_CONT]] ], [ 0.000000e+00, [[FORNULL]] ] +// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds { float, float }* [[RESULT]], i32 0, i32 0 +// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds { float, float }* [[RESULT]], i32 0, i32 1 +// CHECK-NEXT: store float [[REAL]], float* [[T0]] +// CHECK-NEXT: store float [[IMAG]], float* [[T1]] +// Epilogue. +// CHECK-NEXT: call void @objc_destroyWeak(i8** [[WEAKOBJ]]) [[NUW]] +// CHECK-NEXT: call void @objc_storeStrong(i8** [[OBJ]], i8* null) [[NUW]] +// CHECK-NEXT: ret void +// Cleanup. +// CHECK: landingpad +// CHECK: call void @objc_destroyWeak(i8** [[WEAKOBJ]]) [[NUW]] + +// CHECK: attributes [[NUW]] = { nounwind } |
