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-rw-r--r--test/CodeGenObjC/arc-precise-lifetime.m84
1 files changed, 64 insertions, 20 deletions
diff --git a/test/CodeGenObjC/arc-precise-lifetime.m b/test/CodeGenObjC/arc-precise-lifetime.m
index ddbd704..6dc3ebf 100644
--- a/test/CodeGenObjC/arc-precise-lifetime.m
+++ b/test/CodeGenObjC/arc-precise-lifetime.m
@@ -7,18 +7,22 @@ void test0() {
PRECISE_LIFETIME id x = test0_helper();
x = 0;
// CHECK: [[X:%.*]] = alloca i8*
+ // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]])
// CHECK-NEXT: [[CALL:%.*]] = call i8* @test0_helper()
// CHECK-NEXT: store i8* [[CALL]], i8** [[X]]
- // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
+ // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]]
// CHECK-NEXT: store i8* null, i8** [[X]]
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW:#[0-9]+]]
// CHECK-NOT: clang.imprecise_release
- // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
+ // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]]
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW:#[0-9]+]]
// CHECK-NOT: clang.imprecise_release
+ // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]])
// CHECK-NEXT: ret void
}
@@ -32,22 +36,32 @@ extern Test1 *test1_helper(void);
// CHECK-LABEL: define void @test1a()
void test1a(void) {
+ // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
+ // CHECK: [[C:%.*]] = alloca i8*, align 8
+ // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
// CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
// CHECK-NEXT: store [[TEST1]]* [[T3]]
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[CPTR1:%.*]] = bitcast i8** [[C]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CPTR1]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
- // CHECK-NEXT: [[T4:%.*]] = load i8** @OBJC_SELECTOR_REFERENCES_
+ // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
// CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST1]]* [[T3]] to i8*
// CHECK-NEXT: [[T6:%.*]] = call i8* bitcast
// CHECK-NEXT: store i8* [[T6]], i8**
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[CPTR2:%.*]] = bitcast i8** [[C]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CPTR2]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release
+ // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
// CHECK-NEXT: ret void
Test1 *ptr = test1_helper();
char *c = [(ptr) interior];
@@ -55,64 +69,94 @@ void test1a(void) {
// CHECK-LABEL: define void @test1b()
void test1b(void) {
+ // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
+ // CHECK: [[C:%.*]] = alloca i8*, align 8
+ // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
// CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
// CHECK-NEXT: store [[TEST1]]* [[T3]]
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
- // CHECK-NEXT: [[T1:%.*]] = load i8** @OBJC_SELECTOR_REFERENCES_
+ // CHECK-NEXT: [[CPTR1:%.*]] = bitcast i8** [[C]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CPTR1]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
+ // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T3:%.*]] = call i8* bitcast
// CHECK-NEXT: store i8* [[T3]], i8**
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[CPTR2:%.*]] = bitcast i8** [[C]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CPTR2]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]]
// CHECK-NOT: clang.imprecise_release
+ // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
// CHECK-NEXT: ret void
__attribute__((objc_precise_lifetime)) Test1 *ptr = test1_helper();
char *c = [ptr interior];
}
void test1c(void) {
+ // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
+ // CHECK: [[PC:%.*]] = alloca i8*, align 8
+ // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
// CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
// CHECK-NEXT: store [[TEST1]]* [[T3]]
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[PCPTR1:%.*]] = bitcast i8** [[PC]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PCPTR1]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
- // CHECK-NEXT: [[T4:%.*]] = load i8** @OBJC_SELECTOR_REFERENCES_
+ // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
// CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST1]]* [[T3]] to i8*
// CHECK-NEXT: [[T6:%.*]] = call i8* bitcast
// CHECK-NEXT: store i8* [[T6]], i8**
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[PCPTR2:%.*]] = bitcast i8** [[PC]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PCPTR2]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release
+ // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
// CHECK-NEXT: ret void
Test1 *ptr = test1_helper();
char *pc = ptr.PropertyReturnsInnerPointer;
}
void test1d(void) {
+ // CHECK: [[PTR:%.*]] = alloca [[PTR_T:%.*]]*, align 8
+ // CHECK: [[PC:%.*]] = alloca i8*, align 8
+ // CHECK: [[PTRPTR1:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK: call void @llvm.lifetime.start(i64 8, i8* [[PTRPTR1]])
// CHECK: [[T0:%.*]] = call [[TEST1:%.*]]* @test1_helper()
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST1]]*
// CHECK-NEXT: store [[TEST1]]* [[T3]]
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[PCPTR1:%.*]] = bitcast i8** [[PC]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[PCPTR1]])
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST1]]* [[T0]] to i8*
// CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retainAutorelease
// CHECK-NEXT: [[SIX:%.*]] = bitcast i8* [[T3]] to [[TEST1]]*
- // CHECK-NEXT: [[SEVEN:%.*]] = load i8** @OBJC_SELECTOR_REFERENCES_
+ // CHECK-NEXT: [[SEVEN:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_
// CHECK-NEXT: [[EIGHT:%.*]] = bitcast [[TEST1]]* [[SIX]] to i8*
// CHECK-NEXT: [[CALL1:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* [[EIGHT]], i8* [[SEVEN]])
// CHECK-NEXT: store i8* [[CALL1]], i8**
- // CHECK-NEXT: [[NINE:%.*]] = load [[TEST1]]**
+ // CHECK-NEXT: [[PCPTR2:%.*]] = bitcast i8** [[PC]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PCPTR2]])
+ // CHECK-NEXT: [[NINE:%.*]] = load [[TEST1]]*, [[TEST1]]**
// CHECK-NEXT: [[TEN:%.*]] = bitcast [[TEST1]]* [[NINE]] to i8*
// CHECK-NEXT: call void @objc_release(i8* [[TEN]])
+ // CHECK-NEXT: [[PTRPTR2:%.*]] = bitcast [[PTR_T]]** [[PTR]] to i8*
+ // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[PTRPTR2]])
// CHECK-NEXT: ret void
__attribute__((objc_precise_lifetime)) Test1 *ptr = test1_helper();
char *pc = ptr.PropertyReturnsInnerPointer;
@@ -132,17 +176,17 @@ void test2(Test2 *x) {
// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[TEST2]]*
// CHECK-NEXT: store [[TEST2]]* [[T2]], [[TEST2]]** [[X]],
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]** [[X]],
- // CHECK-NEXT: [[OFFSET:%.*]] = load i64* @"OBJC_IVAR_$_Test2.ivar"
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]*, [[TEST2]]** [[X]],
+ // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test2.ivar"
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST2]]* [[T0]] to i8*
- // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i8* [[T1]], i64 [[OFFSET]]
+ // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i8, i8* [[T1]], i64 [[OFFSET]]
// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to i8**
- // CHECK-NEXT: [[T4:%.*]] = load i8** [[T3]],
+ // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[T3]],
// CHECK-NEXT: store i8* null, i8** [[T3]],
// CHECK-NEXT: call void @objc_release(i8* [[T4]]) [[NUW]]
// CHECK-NOT: imprecise
- // CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]** [[X]]
+ // CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]*, [[TEST2]]** [[X]]
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST2]]* [[T0]] to i8*
// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release
@@ -155,7 +199,7 @@ void test3(PRECISE_LIFETIME id x) {
// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}}) [[NUW]]
// CHECK-NEXT: store i8* [[T0]], i8** [[X]],
- // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
+ // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
// CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]]
// CHECK-NOT: imprecise_release
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