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[ms-cxxabi] Mangle nullptr template arguments 

MSVC mangles nullptr template arguments identically to zero literals.

llvm-svn: 187741
This commit is contained in:
David Majnemer 2013-08-05 21:33:59 +00:00
parent 0c37cfd8b8
commit ae465ef7cc
2 changed files with 11 additions and 4 deletions
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6
clang/lib/AST/MicrosoftMangle.cpp
View File

@ -889,6 +889,9 @@ void MicrosoftCXXNameMangler::mangleTemplateArg(const TemplateDecl *TD,
mangleIntegerLiteral(TA.getAsIntegral(),
TA.getIntegralType()->isBooleanType());
break;
case TemplateArgument::NullPtr:
Out << "$0A@";
break;
case TemplateArgument::Expression:
mangleExpression(TA.getAsExpr());
break;
@ -901,8 +904,7 @@ void MicrosoftCXXNameMangler::mangleTemplateArg(const TemplateDecl *TD,
mangleTemplateArg(TD, *I, ArgIndex);
break;
case TemplateArgument::Template:
case TemplateArgument::TemplateExpansion:
case TemplateArgument::NullPtr: {
case TemplateArgument::TemplateExpansion: {
// Issue a diagnostic.
DiagnosticsEngine &Diags = Context.getDiags();
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error,

9
clang/test/CodeGenCXX/mangle-ms-templates.cpp
View File

@ -1,5 +1,5 @@
// RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s
// RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=x86_64-pc-win32 | FileCheck -check-prefix X64 %s
// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s
// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -cxx-abi microsoft -triple=x86_64-pc-win32 | FileCheck -check-prefix X64 %s
template<typename T>
class Class {
@ -156,3 +156,8 @@ void variadic_class_instantiate() {
}
// CHECK: call {{.*}} @"\01??0?$VariadicClass@HD_N@@QAE@XZ"
// CHECK: call {{.*}} @"\01??0?$VariadicClass@_NDH@@QAE@XZ"
// PR16788
template <decltype(nullptr)> struct S1 {};
void f(S1<nullptr>) {}
// CHECK: "\01?f@@YAXU?$S1@$0A@@@@Z"