43e798e4d8
Adds handling of global aliases in CodeGenModule::EmitExternalDeclaration. This fixes a clang crash on some real code, see llvm#192365.
17 lines
825 B
C++
17 lines
825 B
C++
// RUN: %clang_cc1 -triple bpfel -emit-llvm -debug-info-kind=constructor %s -o - | FileCheck %s
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// CHECK: @_Z9__cat_op0v = alias void (), ptr @e
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// CHECK: @alias_var = alias i32, ptr @global_var
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// CHECK-DAG: !DIImportedEntity(tag: DW_TAG_imported_declaration, name: "__cat_op0", {{.*}} entity: ![[ENTITY:[0-9]+]]
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// CHECK-DAG: ![[ENTITY]] = {{.*}}!DISubprogram(name: "__cat_op0", linkageName: "_Z9__cat_op0v"
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// CHECK-DAG: !DIImportedEntity(tag: DW_TAG_imported_declaration, name: "alias_var", {{.*}} entity: ![[ENTITY2:[0-9]+]]
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// CHECK-DAG: ![[ENTITY2]] = {{.*}}!DIGlobalVariable(name: "global_var", {{.*}}
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extern "C" void e() {}
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void __attribute__((alias("e"))) __cat_op0();
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void r() { __cat_op0(); }
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int global_var;
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extern "C" int alias_var __attribute__((alias("global_var")));
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int use_alias() { return alias_var; }
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