SouraVX created this revision.
SouraVX added reviewers: aprantl, dblaikie.
SouraVX added a project: debug-info.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
This patch provides support for DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14
tags in clang C++ frontend.
Repository:
rC Clang
https://reviews.llvm.org/D67613
Files:
include/clang/AST/DeclCXX.h
lib/AST/DeclPrinter.cpp
lib/AST/JSONNodeDumper.cpp
lib/AST/TextNodeDumper.cpp
lib/CodeGen/CGDebugInfo.cpp
lib/CodeGen/CodeGenModule.cpp
lib/Sema/SemaDeclCXX.cpp
lib/Sema/SemaModule.cpp
test/Modules/ModuleDebugInfo.cpp
Index: test/Modules/ModuleDebugInfo.cpp
===================================================================
--- test/Modules/ModuleDebugInfo.cpp
+++ test/Modules/ModuleDebugInfo.cpp
@@ -12,7 +12,7 @@
// PCH:
// RUN: %clang_cc1 -triple %itanium_abi_triple -x c++ -std=c++11 -debugger-tuning=lldb -emit-pch -fmodule-format=obj -I %S/Inputs -o %t.pch %S/Inputs/DebugCXX.h -mllvm -debug-only=pchcontainer &>%t-pch.ll
-// RUN: cat %t-pch.ll | FileCheck %s
+// RUN: cat %t-pch.ll | FileCheck --check-prefix=CHECK-CXX %s
// RUN: cat %t-pch.ll | FileCheck --check-prefix=CHECK-NEG %s
#ifdef MODULES
@@ -23,6 +23,7 @@
// CHECK-MOD: distinct !DICompileUnit(language: DW_LANG_{{.*}}C_plus_plus,
// CHECK: distinct !DICompileUnit(language: DW_LANG_{{.*}}C_plus_plus,
+// CHECK-CXX: distinct !DICompileUnit(language: DW_LANG_C_plus_plus_11,
// CHECK-SAME: isOptimized: false,
// CHECK-NOT: splitDebugFilename:
// CHECK-SAME: dwoId:
Index: lib/Sema/SemaModule.cpp
===================================================================
--- lib/Sema/SemaModule.cpp
+++ lib/Sema/SemaModule.cpp
@@ -31,6 +31,8 @@
ExternCLoc = LSD->getBeginLoc();
break;
case LinkageSpecDecl::lang_cxx:
+ case LinkageSpecDecl::lang_cxx_11:
+ case LinkageSpecDecl::lang_cxx_14:
break;
}
DC = LSD->getParent();
Index: lib/Sema/SemaDeclCXX.cpp
===================================================================
--- lib/Sema/SemaDeclCXX.cpp
+++ lib/Sema/SemaDeclCXX.cpp
@@ -13911,6 +13911,10 @@
Language = LinkageSpecDecl::lang_c;
else if (Lang == "C++")
Language = LinkageSpecDecl::lang_cxx;
+ else if (Lang == "C++11")
+ Language = LinkageSpecDecl::lang_cxx_11;
+ else if (Lang == "C++14")
+ Language = LinkageSpecDecl::lang_cxx_14;
else {
Diag(LangStr->getExprLoc(), diag::err_language_linkage_spec_unknown)
<< LangStr->getSourceRange();
Index: lib/CodeGen/CodeGenModule.cpp
===================================================================
--- lib/CodeGen/CodeGenModule.cpp
+++ lib/CodeGen/CodeGenModule.cpp
@@ -5132,7 +5132,9 @@
// EmitLinkageSpec - Emit all declarations in a linkage spec.
void CodeGenModule::EmitLinkageSpec(const LinkageSpecDecl *LSD) {
if (LSD->getLanguage() != LinkageSpecDecl::lang_c &&
- LSD->getLanguage() != LinkageSpecDecl::lang_cxx) {
+ LSD->getLanguage() != LinkageSpecDecl::lang_cxx &&
+ LSD->getLanguage() != LinkageSpecDecl::lang_cxx_11 &&
+ LSD->getLanguage() != LinkageSpecDecl::lang_cxx_14) {
ErrorUnsupported(LSD, "linkage spec");
return;
}
Index: lib/CodeGen/CGDebugInfo.cpp
===================================================================
--- lib/CodeGen/CGDebugInfo.cpp
+++ lib/CodeGen/CGDebugInfo.cpp
@@ -561,6 +561,10 @@
if (LO.CPlusPlus) {
if (LO.ObjC)
LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus;
+ else if (LO.CPlusPlus14)
+ LangTag = llvm::dwarf::DW_LANG_C_plus_plus_14;
+ else if (LO.CPlusPlus11)
+ LangTag = llvm::dwarf::DW_LANG_C_plus_plus_11;
else
LangTag = llvm::dwarf::DW_LANG_C_plus_plus;
} else if (LO.ObjC) {
@@ -878,6 +882,8 @@
static bool hasCXXMangling(const TagDecl *TD, llvm::DICompileUnit *TheCU) {
switch (TheCU->getSourceLanguage()) {
case llvm::dwarf::DW_LANG_C_plus_plus:
+ case llvm::dwarf::DW_LANG_C_plus_plus_11:
+ case llvm::dwarf::DW_LANG_C_plus_plus_14:
return true;
case llvm::dwarf::DW_LANG_ObjC_plus_plus:
return isa<CXXRecordDecl>(TD) || isa<EnumDecl>(TD);
Index: lib/AST/TextNodeDumper.cpp
===================================================================
--- lib/AST/TextNodeDumper.cpp
+++ lib/AST/TextNodeDumper.cpp
@@ -1767,6 +1767,12 @@
case LinkageSpecDecl::lang_cxx:
OS << " C++";
break;
+ case LinkageSpecDecl::lang_cxx_11:
+ OS << " C++11";
+ break;
+ case LinkageSpecDecl::lang_cxx_14:
+ OS << " C++14";
+ break;
}
}
Index: lib/AST/JSONNodeDumper.cpp
===================================================================
--- lib/AST/JSONNodeDumper.cpp
+++ lib/AST/JSONNodeDumper.cpp
@@ -850,6 +850,12 @@
switch (LSD->getLanguage()) {
case LinkageSpecDecl::lang_c: Lang = "C"; break;
case LinkageSpecDecl::lang_cxx: Lang = "C++"; break;
+ case LinkageSpecDecl::lang_cxx_11:
+ Lang = "C++_11";
+ break;
+ case LinkageSpecDecl::lang_cxx_14:
+ Lang = "C++_14";
+ break;
}
JOS.attribute("language", Lang);
attributeOnlyIfTrue("hasBraces", LSD->hasBraces());
Index: lib/AST/DeclPrinter.cpp
===================================================================
--- lib/AST/DeclPrinter.cpp
+++ lib/AST/DeclPrinter.cpp
@@ -1004,9 +1004,15 @@
if (D->getLanguage() == LinkageSpecDecl::lang_c)
l = "C";
else {
- assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
- "unknown language in linkage specification");
- l = "C++";
+ if (D->getLanguage() == LinkageSpecDecl::lang_cxx_14)
+ l = "C++_14";
+ else if (D->getLanguage() == LinkageSpecDecl::lang_cxx_11)
+ l = "C++_11";
+ else {
+ assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
+ "unknown language in linkage specification");
+ l = "C++";
+ }
}
Out << "extern \"" << l << "\" ";
Index: include/clang/AST/DeclCXX.h
===================================================================
--- include/clang/AST/DeclCXX.h
+++ include/clang/AST/DeclCXX.h
@@ -2926,7 +2926,9 @@
/// from the dwarf standard.
enum LanguageIDs {
lang_c = /* DW_LANG_C */ 0x0002,
- lang_cxx = /* DW_LANG_C_plus_plus */ 0x0004
+ lang_cxx = /* DW_LANG_C_plus_plus */ 0x0004,
+ lang_cxx_11 = /* DW_LANG_C_plus_plus_11 */ 0x001a,
+ lang_cxx_14 = /* DW_LANG_C_plus_plus_14 */ 0x0021
};
private:
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