diff options
Diffstat (limited to 'test/CodeGenObjC/arc-unopt.m')
-rw-r--r-- | test/CodeGenObjC/arc-unopt.m | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGenObjC/arc-unopt.m b/test/CodeGenObjC/arc-unopt.m new file mode 100644 index 0000000..ed46052 --- /dev/null +++ b/test/CodeGenObjC/arc-unopt.m @@ -0,0 +1,69 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-nonfragile-abi -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_helper + // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST0]]* [[LD]] to i8* + // CHECK-NEXT: [[T1:%.*]] = call i8* @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** @test1_helper + // CHECK-NEXT: [[T0:%.*]] = call i8* @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 @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: 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]]** [[Y]], +// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST5]]** [[X]] to i8** +// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST5]]* [[T0]] to i8* +// CHECK-NEXT: call void @objc_storeStrong(i8** [[T1]], i8* [[T2]]) +// CHECK-NEXT: [[T3:%.*]] = icmp ne [[TEST5]]* [[T0]], null +// CHECK-NEXT: br i1 [[T3]], +} |