Mercurial > hg > CbC > CbC_llvm
view clang/test/CodeGenCXX/debug-info-anon-union-vars.cpp @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 (2023-08-18) |
parents | 1d019706d866 |
children |
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// RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -triple x86_64-linux-gnu %s -o - | FileCheck %s // Make sure that we emit a global variable for each of the members of the // anonymous union. static union { int c; int d; union { int a; }; struct { int b; }; }; int test_it() { c = 1; d = 2; a = 4; return (c == 1); } void foo() { union { int i; char c; }; i = 8; } // A funky reinterpret cast idiom that we used to crash on. template <class T> unsigned char *buildBytes(const T v) { static union { unsigned char result[sizeof(T)]; T value; }; value = v; return result; } void instantiate(int x) { buildBytes(x); } // CHECK: !DIGlobalVariable(name: "c",{{.*}} file: [[FILE:.*]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "d",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: [[FILE]] = !DIFile(filename: "{{.*}}debug-info-anon-union-vars.cpp", // CHECK: !DIGlobalVariable(name: "a",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "b",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true // CHECK: !DIGlobalVariable(name: "result", {{.*}} isLocal: false, isDefinition: true // CHECK: !DIGlobalVariable(name: "value", {{.*}} isLocal: false, isDefinition: true // CHECK: !DILocalVariable(name: "i", {{.*}}, flags: DIFlagArtificial // CHECK: !DILocalVariable(name: "c", {{.*}}, flags: DIFlagArtificial // CHECK: !DILocalVariable( // CHECK-NOT: name: // CHECK: type: ![[UNION:[0-9]+]] // CHECK: ![[UNION]] = distinct !DICompositeType(tag: DW_TAG_union_type, // CHECK-NOT: name: // CHECK: elements // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "i", scope: ![[UNION]], // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "c", scope: ![[UNION]],