70 lines
2.3 KiB
Objective-C
70 lines
2.3 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck %s
|
|
|
|
// A test to ensure that we generate fused calls at -O0.
|
|
|
|
@class Test0;
|
|
Test0 *test0(void) {
|
|
extern Test0 *test0_helper;
|
|
return test0_helper;
|
|
|
|
// CHECK: [[LD:%.*]] = load [[TEST0:%.*]]*, [[TEST0:%.*]]** @test0_helper
|
|
// CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST0]]* [[LD]] to i8*
|
|
// CHECK-NEXT: [[T1:%.*]] = tail call i8* @llvm.objc.retainAutoreleaseReturnValue(i8* [[T0]])
|
|
// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[TEST0]]*
|
|
// CHECK-NEXT: ret [[TEST0]]* [[T2]]
|
|
}
|
|
|
|
id test1(void) {
|
|
extern id test1_helper;
|
|
return test1_helper;
|
|
|
|
// CHECK: [[LD:%.*]] = load i8*, i8** @test1_helper
|
|
// CHECK-NEXT: [[T0:%.*]] = tail call i8* @llvm.objc.retainAutoreleaseReturnValue(i8* [[LD]])
|
|
// CHECK-NEXT: ret i8* [[T0]]
|
|
}
|
|
|
|
void test2(void) {
|
|
// CHECK: [[X:%.*]] = alloca i8*
|
|
// CHECK-NEXT: store i8* null, i8** [[X]]
|
|
// CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[X]])
|
|
// CHECK-NEXT: ret void
|
|
__weak id x;
|
|
}
|
|
|
|
id test3(void) {
|
|
extern id test3_helper(void);
|
|
// CHECK: [[T0:%.*]] = call i8* @test3_helper()
|
|
// CHECK-NEXT: ret i8* [[T0]]
|
|
return test3_helper();
|
|
}
|
|
|
|
@interface Test4 { id x; } @end
|
|
@interface Test4_sub : Test4 { id y; } @end
|
|
Test4 *test4(void) {
|
|
extern Test4_sub *test4_helper(void);
|
|
// CHECK: [[T0:%.*]] = call [[TEST4S:%.*]]* @test4_helper()
|
|
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST4S]]* [[T0]] to [[TEST4:%.*]]*
|
|
// CHECK-NEXT: ret [[TEST4]]* [[T1]]
|
|
return test4_helper();
|
|
}
|
|
|
|
// rdar://problem/9418404
|
|
@class Test5;
|
|
void test5(void) {
|
|
Test5 *x, *y;
|
|
if ((x = y))
|
|
y = 0;
|
|
|
|
// CHECK-LABEL: define{{.*}} void @test5()
|
|
// CHECK: [[X:%.*]] = alloca [[TEST5:%.*]]*,
|
|
// CHECK-NEXT: [[Y:%.*]] = alloca [[TEST5:%.*]]*,
|
|
// CHECK-NEXT: store [[TEST5]]* null, [[TEST5]]** [[X]],
|
|
// CHECK-NEXT: store [[TEST5]]* null, [[TEST5]]** [[Y]],
|
|
// CHECK-NEXT: [[T0:%.*]] = load [[TEST5]]*, [[TEST5]]** [[Y]],
|
|
// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST5]]** [[X]] to i8**
|
|
// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST5]]* [[T0]] to i8*
|
|
// CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[T1]], i8* [[T2]])
|
|
// CHECK-NEXT: [[T3:%.*]] = icmp ne [[TEST5]]* [[T0]], null
|
|
// CHECK-NEXT: br i1 [[T3]],
|
|
}
|