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