When a function/method use a parameter with "ns_consumed" attribute, ensure that the mangled name is the same whether -fobjc-arc is used or not. Since "ns_consumed" attribute is generally used to inform ARC that a function/method does sink the reference, it mean it is usually implemented in a compilation unit compiled without -fobjc-arc but used form a compilation unit compiled with it. Originally found while trying to use "ns_consumed" attribute in an Objective-C++ file in Chromium (http://crbug.com/599980) where it caused a linker error. Regression introduced by revision 262278 (previously the attribute was incorrectly not part of the mangled name). Patch from Sylvain Defresne <sdefresne@chromium.org>! http://reviews.llvm.org/D20113 llvm-svn: 270702
49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -emit-llvm -fobjc-arc -o - %s | FileCheck %s
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id makeObject1() __attribute__((ns_returns_retained));
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id makeObject2() __attribute__((ns_returns_retained));
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void releaseObject(__attribute__((ns_consumed)) id);
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// CHECK-LABEL: define void @_Z10sanityTestv
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void sanityTest() {
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// CHECK: [[X:%.*]] = alloca i8*, align 8
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// CHECK-NEXT: [[OBJ1:%.*]] = call i8* @_Z11makeObject1v()
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// CHECK-NEXT: store i8* [[OBJ1]], i8** [[X]], align 8
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id x = makeObject1();
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// CHECK-NEXT: [[OBJ2:%.*]] = call i8* @_Z11makeObject2v()
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// CHECK-NEXT: call void @_Z13releaseObjectP11objc_object(i8* [[OBJ2]])
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releaseObject(makeObject2());
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// CHECK-NEXT: call void @objc_storeStrong(i8** [[X]], i8* null)
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// CHECK-NEXT: ret void
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}
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template <typename T>
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T makeObjectT1() __attribute__((ns_returns_retained));
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template <typename T>
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T makeObjectT2() __attribute__((ns_returns_retained));
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template <typename T>
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void releaseObjectT(__attribute__((ns_consumed)) T);
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// CHECK-LABEL: define void @_Z12templateTestv
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void templateTest() {
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// CHECK: [[X:%.*]] = alloca i8*, align 8
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// CHECK-NEXT: [[OBJ1:%.*]] = call i8* @_Z12makeObjectT1IU8__strongP11objc_objectET_v()
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// CHECK-NEXT: store i8* [[OBJ1]], i8** [[X]], align 8
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id x = makeObjectT1<id>();
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// CHECK-NEXT: [[OBJ2:%.*]] = call i8* @_Z12makeObjectT2IU8__strongP11objc_objectET_v()
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// CHECK-NEXT: call void @_Z13releaseObjectP11objc_object(i8* [[OBJ2]])
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releaseObject(makeObjectT2<id>());
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// CHECK-NEXT: [[OBJ3:%.*]] = call i8* @_Z11makeObject1v()
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// CHECK-NEXT: call void @_Z14releaseObjectTIU8__strongP11objc_objectEvT_(i8* [[OBJ3]])
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releaseObjectT(makeObject1());
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// CHECK-NEXT: call void @objc_storeStrong(i8** [[X]], i8* null)
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// CHECK-NEXT: ret void
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}
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