Mercurial > hg > CbC > CbC_llvm
comparison clang/test/CodeGenObjCXX/arc-constexpr.mm @ 150:1d019706d866
LLVM10
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 15:10:13 +0900 |
| parents | |
| children | 2e18cbf3894f |
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| 147:c2174574ed3a | 150:1d019706d866 |
|---|---|
| 1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-runtime-has-weak -o - -std=c++11 %s | FileCheck %s | |
| 2 | |
| 3 // CHECK: %[[TYPE:[a-z0-9]+]] = type opaque | |
| 4 // CHECK: @[[CFSTRING:[a-z0-9_]+]] = private global %struct.__NSConstantString_tag | |
| 5 @class NSString; | |
| 6 | |
| 7 // CHECK-LABEL: define void @_Z5test1v | |
| 8 // CHECK: %[[ALLOCA:[A-Z]+]] = alloca %[[TYPE]]* | |
| 9 // CHECK: %[[V0:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] | |
| 10 // CHECK: %[[V1:[0-9]+]] = bitcast i8* %[[V0]] to %[[TYPE]]* | |
| 11 // CHECK: store %[[TYPE]]* %[[V1]], %[[TYPE]]** %[[ALLOCA]] | |
| 12 // CHECK: %[[V2:[0-9]+]] = bitcast %[[TYPE]]** %[[ALLOCA]] | |
| 13 // CHECK: call void @llvm.objc.storeStrong(i8** %[[V2]], i8* null) | |
| 14 void test1() { | |
| 15 constexpr NSString *S = @"abc"; | |
| 16 } | |
| 17 | |
| 18 // CHECK-LABEL: define void @_Z5test2v | |
| 19 // CHECK: %[[CONST:[a-zA-Z]+]] = alloca %[[TYPE]]* | |
| 20 // CHECK: %[[REF_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]* | |
| 21 // CHECK: %[[V0:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] | |
| 22 // CHECK-NEXT: %[[V1:[0-9]+]] = bitcast i8* %[[V0]] to %[[TYPE]]* | |
| 23 // CHECK-NEXT: store %[[TYPE]]* %[[V1]], %[[TYPE]]** %[[CONST]] | |
| 24 // CHECK: %[[V2:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] | |
| 25 // CHECK-NEXT: %[[V3:[0-9]+]] = bitcast i8* %[[V2]] to %[[TYPE]]* | |
| 26 // CHECK-NEXT: store %[[TYPE]]* %[[V3]], %[[TYPE]]** %[[REF_CONST]] | |
| 27 // CHECK: %[[V4:[0-9]+]] = bitcast %[[TYPE]]** %[[REF_CONST]] | |
| 28 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V4]], i8* null) | |
| 29 // CHECK: %[[V5:[0-9]+]] = bitcast %[[TYPE]]** %[[CONST]] | |
| 30 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V5]], i8* null) | |
| 31 void test2() { | |
| 32 constexpr NSString *Const = @"abc"; | |
| 33 // In IR RefConst should be initialized with Const initializer instead of | |
| 34 // reading from variable. | |
| 35 NSString* RefConst = Const; | |
| 36 } | |
| 37 | |
| 38 // CHECK-LABEL: define void @_Z5test3v | |
| 39 // CHECK: %[[WEAK_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]* | |
| 40 // CHECK: %[[REF_WEAK_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]* | |
| 41 // CHECK: %[[V0:[0-9]+]] = bitcast %[[TYPE]]** %[[WEAK_CONST]] | |
| 42 // CHECK-NEXT: %[[V1:[0-9]+]] = call i8* @llvm.objc.initWeak(i8** %[[V0]], i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] | |
| 43 // CHECK: store %[[TYPE]]* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] to %[[TYPE]]*), %[[TYPE]]** %[[REF_WEAK_CONST]] | |
| 44 // CHECK: %[[V2:[0-9]+]] = bitcast %[[TYPE]]** %[[REF_WEAK_CONST]] | |
| 45 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V2]], i8* null) | |
| 46 // CHECK: %[[V3:[0-9]+]] = bitcast %[[TYPE]]** %[[WEAK_CONST]] | |
| 47 // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** %[[V3]]) | |
| 48 void test3() { | |
| 49 __weak constexpr NSString *WeakConst = @"abc"; | |
| 50 NSString* RefWeakConst = WeakConst; | |
| 51 } |