From 3c7d90529dc0103f517071143744a93ddaa08ef7 Mon Sep 17 00:00:00 2001 From: David Majnemer Date: Tue, 29 Dec 2015 22:02:15 +0000 Subject: [PATCH] [MS ABI] Add a mangling for _Complex MSVC doesn't implement a mangling for C99's _Complex so we must invent our own. For now, treating it like a class type called _Complex in the __clang namespace. This means that 'void f(__Complex int))' will demangle as: 'void f(struct __clang::_Complex)' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@256583 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/AST/MicrosoftMangle.cpp | 15 ++++++++++----- test/CodeGenCXX/mangle-ms.cpp | 4 ++++ 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp index 4b15365c76..3e466c826b 100644 --- a/lib/AST/MicrosoftMangle.cpp +++ b/lib/AST/MicrosoftMangle.cpp @@ -2207,11 +2207,16 @@ void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T, void MicrosoftCXXNameMangler::mangleType(const ComplexType *T, Qualifiers, SourceRange Range) { - DiagnosticsEngine &Diags = Context.getDiags(); - unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, - "cannot mangle this complex number type yet"); - Diags.Report(Range.getBegin(), DiagID) - << Range; + QualType ElementType = T->getElementType(); + + llvm::SmallString<64> TemplateMangling; + llvm::raw_svector_ostream Stream(TemplateMangling); + MicrosoftCXXNameMangler Extra(Context, Stream); + Stream << "?$"; + Extra.mangleSourceName("_Complex"); + Extra.mangleType(ElementType, Range, QMM_Escape); + + mangleArtificalTagType(TTK_Struct, TemplateMangling, {"__clang"}); } void MicrosoftCXXNameMangler::mangleType(const VectorType *T, Qualifiers Quals, diff --git a/test/CodeGenCXX/mangle-ms.cpp b/test/CodeGenCXX/mangle-ms.cpp index 5fe0974c87..22eba63b51 100644 --- a/test/CodeGenCXX/mangle-ms.cpp +++ b/test/CodeGenCXX/mangle-ms.cpp @@ -442,3 +442,7 @@ namespace Atomic { // CHECK-DAG: define void @"\01?f@Atomic@@YAXU?$_Atomic@H@__clang@@@Z"( void f(_Atomic(int)) {} } +namespace Complex { +// CHECK-DAG: define void @"\01?f@Complex@@YAXU?$_Complex@H@__clang@@@Z"( +void f(_Complex int) {} +} -- 2.40.0