forked from OSchip/llvm-project
73 lines
3.1 KiB
Objective-C
73 lines
3.1 KiB
Objective-C
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-nonfragile-abi -fobjc-runtime-has-weak -triple x86_64-apple-darwin -O0 -emit-llvm %s -o %t-64.s
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// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
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// rdar://9503326
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// rdar://9606600
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extern void use(id);
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extern void use_block(void (^)(void));
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@class NSArray;
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void test0(NSArray *array) {
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// 'x' should be initialized without a retain.
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// We should actually do a non-constant capture, and that
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// capture should require a retain.
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for (id x in array) {
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use_block(^{ use(x); });
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}
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}
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// CHECK-LP64: define void @test0(
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// CHECK-LP64: alloca [[ARRAY_T:%.*]]*,
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// CHECK-LP64-NEXT: [[X:%.*]] = alloca i8*,
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// CHECK-LP64-NEXT: [[STATE:%.*]] = alloca [[STATE_T:%.*]],
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// CHECK-LP64-NEXT: alloca [16 x i8*], align 8
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// CHECK-LP64-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
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// CHECK-LP64: [[T0:%.*]] = getelementptr inbounds [[STATE_T]]* [[STATE]], i32 0, i32 1
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// CHECK-LP64-NEXT: [[T1:%.*]] = load i8*** [[T0]]
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// CHECK-LP64-NEXT: [[T2:%.*]] = getelementptr i8** [[T1]], i64
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// CHECK-LP64-NEXT: [[T3:%.*]] = load i8** [[T2]]
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// CHECK-LP64-NEXT: store i8* [[T3]], i8** [[X]]
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// CHECK-LP64: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
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// CHECK-LP64-NEXT: [[T1:%.*]] = load i8** [[X]]
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// CHECK-LP64-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
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// CHECK-LP64-NEXT: store i8* [[T2]], i8** [[T0]]
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// CHECK-LP64-NEXT: [[T1:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]]
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// CHECK-LP64: call void @use_block(
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// CHECK-LP64-NEXT: [[T1:%.*]] = load i8** [[T0]]
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// CHECK-LP64-NEXT: call void @objc_release(i8* [[T1]])
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// CHECK-LP64: define internal void @__test0_block_invoke
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// CHECK-LP64: [[BLOCK:%.*]] = bitcast i8* {{%.*}} to [[BLOCK_T]]*
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// CHECK-LP64-NEXT: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
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// CHECK-LP64-NEXT: [[T2:%.*]] = load i8** [[T0]], align 8
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// CHECK-LP64-NEXT: call void @use(i8* [[T2]])
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void test1(NSArray *array) {
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for (__weak id x in array) {
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use_block(^{ use(x); });
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}
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}
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// CHECK-LP64: define void @test1(
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// CHECK-LP64: alloca [[ARRAY_T:%.*]]*,
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// CHECK-LP64-NEXT: [[X:%.*]] = alloca i8*,
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// CHECK-LP64-NEXT: [[STATE:%.*]] = alloca [[STATE_T:%.*]],
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// CHECK-LP64-NEXT: alloca [16 x i8*], align 8
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// CHECK-LP64-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
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// CHECK-LP64: [[T0:%.*]] = getelementptr inbounds [[STATE_T]]* [[STATE]], i32 0, i32 1
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// CHECK-LP64-NEXT: [[T1:%.*]] = load i8*** [[T0]]
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// CHECK-LP64-NEXT: [[T2:%.*]] = getelementptr i8** [[T1]], i64
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// CHECK-LP64-NEXT: [[T3:%.*]] = load i8** [[T2]]
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// CHECK-LP64-NEXT: call i8* @objc_initWeak(i8** [[X]], i8* [[T3]])
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// CHECK-LP64: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
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// CHECK-LP64-NEXT: [[T1:%.*]] = call i8* @objc_loadWeak(i8** [[X]])
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// CHECK-LP64-NEXT: call i8* @objc_initWeak(i8** [[T0]], i8* [[T1]])
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// CHECK-LP64-NEXT: [[T1:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to
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// CHECK-LP64: call void @use_block
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// CHECK-LP64-NEXT: call void @objc_destroyWeak(i8** [[T0]])
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// CHECK-LP64-NEXT: call void @objc_destroyWeak(i8** [[X]])
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