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232 lines
11 KiB
232 lines
11 KiB
// Make sure it works on x86-64.
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// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime=macosx-10.11 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED
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// Make sure it works on ARM.
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// RUN: %clang_cc1 -triple arm64-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=CHECK-MARKED
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// RUN: %clang_cc1 -triple arm64-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -O -disable-llvm-optzns -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-OPTIMIZED
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// Make sure it works on ARM64.
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// RUN: %clang_cc1 -triple armv7-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=CHECK-MARKED
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// RUN: %clang_cc1 -triple armv7-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -O -disable-llvm-optzns -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-OPTIMIZED
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// Make sure that it's implicitly disabled if the runtime version isn't high enough.
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.10 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=DISABLED
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// RUN: %clang_cc1 -triple arm64-apple-ios8 -fobjc-runtime=ios-8 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=DISABLED -check-prefix=DISABLED-MARKED
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@class A;
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A *makeA(void);
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void test_assign() {
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__unsafe_unretained id x;
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x = makeA();
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}
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// CHECK-LABEL: define void @test_assign()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A:.*]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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// DISABLED-LABEL: define void @test_assign()
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// DISABLED: [[T0:%.*]] = call [[A:.*]]* @makeA()
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// DISABLED-MARKED-NEXT: call void asm sideeffect
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// DISABLED-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// DISABLED-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
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void test_assign_assign() {
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__unsafe_unretained id x, y;
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x = y = makeA();
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}
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// CHECK-LABEL: define void @test_assign_assign()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_strong_assign_assign() {
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__strong id x;
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__unsafe_unretained id y;
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x = y = makeA();
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}
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// CHECK-LABEL: define void @test_strong_assign_assign()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-NEXT: [[OLD:%.*]] = load i8*, i8** [[X]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-NEXT: call void @objc_release(i8* [[OLD]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-UNOPTIMIZED-NEXT: call void @objc_storeStrong(i8** [[X]], i8* null)
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// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
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// CHECK-OPTIMIZED-NEXT: call void @objc_release(i8* [[T0]])
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_assign_strong_assign() {
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__unsafe_unretained id x;
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__strong id y;
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x = y = makeA();
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}
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// CHECK-LABEL: define void @test_assign_strong_assign()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: [[OLD:%.*]] = load i8*, i8** [[Y]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-NEXT: call void @objc_release(i8* [[OLD]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-UNOPTIMIZED-NEXT: call void @objc_storeStrong(i8** [[Y]], i8* null)
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// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
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// CHECK-OPTIMIZED-NEXT: call void @objc_release(i8* [[T0]])
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_init() {
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__unsafe_unretained id x = makeA();
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}
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// CHECK-LABEL: define void @test_init()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_init_assignment() {
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__unsafe_unretained id x;
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__unsafe_unretained id y = x = makeA();
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}
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// CHECK-LABEL: define void @test_init_assignment()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_strong_init_assignment() {
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__unsafe_unretained id x;
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__strong id y = x = makeA();
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}
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// CHECK-LABEL: define void @test_strong_init_assignment()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-UNOPTIMIZED-NEXT: call void @objc_storeStrong(i8** [[Y]], i8* null)
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// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
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// CHECK-OPTIMIZED-NEXT: call void @objc_release(i8* [[T0]])
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_init_strong_assignment() {
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__strong id x;
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__unsafe_unretained id y = x = makeA();
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}
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// CHECK-LABEL: define void @test_init_strong_assignment()
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// CHECK: [[X:%.*]] = alloca i8*
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// CHECK: [[Y:%.*]] = alloca i8*
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: [[T4:%.*]] = bitcast [[A]]* [[T3]] to i8*
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// CHECK-NEXT: [[OLD:%.*]] = load i8*, i8** [[X]]
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// CHECK-NEXT: store i8* [[T4]], i8** [[X]]
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// CHECK-NEXT: call void @objc_release(i8* [[OLD]])
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// CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-UNOPTIMIZED-NEXT: call void @objc_storeStrong(i8** [[X]], i8* null)
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// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load i8*, i8** [[X]]
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// CHECK-OPTIMIZED-NEXT: call void @objc_release(i8* [[T0]])
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// CHECK-OPTIMIZED-NEXT: bitcast
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// CHECK-OPTIMIZED-NEXT: lifetime.end
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// CHECK-NEXT: ret void
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void test_ignored() {
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makeA();
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}
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// CHECK-LABEL: define void @test_ignored()
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: ret void
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void test_cast_to_void() {
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(void) makeA();
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}
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// CHECK-LABEL: define void @test_cast_to_void()
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// CHECK: [[T0:%.*]] = call [[A]]* @makeA()
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// CHECK-MARKED-NEXT: call void asm sideeffect
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* [[T1]])
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// CHECK-NEXT: bitcast i8* [[T2]] to [[A]]*
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// CHECK-NEXT: ret void
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// This is always at the end of the module.
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// CHECK-OPTIMIZED: !clang.arc.retainAutoreleasedReturnValueMarker = !{!0}
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