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MS ABI: Fix the initializer/finalizer mangling for static data members 

Initializers and finalizers for static data members have the variable's
access-specifier, storage-class, type and CV-qualifiers mangled in.

llvm-svn: 203145
This commit is contained in:
David Majnemer 2014-03-06 19:10:27 +00:00
parent cea2609b59
commit f55feec559
2 changed files with 8 additions and 4 deletions
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4
clang/lib/AST/MicrosoftMangle.cpp
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@ -2295,6 +2295,10 @@ void MicrosoftMangleContextImpl::mangleInitFiniStub(const VarDecl *D,
MicrosoftCXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "\01??__" << CharCode;
Mangler.mangleName(D);
if (D->isStaticDataMember()) {
Mangler.mangleVariableEncoding(D);
Mangler.getStream() << '@';
}
// This is the function class mangling. These stubs are global, non-variadic,
// cdecl functions that return void and take no args.
Mangler.getStream() << "YAXXZ";

8
clang/test/CodeGenCXX/microsoft-abi-static-initializers.cpp
View File

@ -1,7 +1,7 @@
// RUN: %clang_cc1 -emit-llvm %s -o - -mconstructor-aliases -triple=i386-pc-win32 | FileCheck %s
// CHECK: @llvm.global_ctors = appending global [2 x { i32, void ()* }]
// CHECK: [{ i32, void ()* } { i32 65535, void ()* @"\01??__Efoo@?$B@H@@YAXXZ" },
// CHECK: [{ i32, void ()* } { i32 65535, void ()* @"\01??__Efoo@?$B@H@@2VA@@A@YAXXZ"
// CHECK: { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
struct S {
@ -134,16 +134,16 @@ void force_usage() {
(void)B<int>::foo; // (void) - force usage
}
// CHECK: define internal void @"\01??__Efoo@?$B@H@@YAXXZ"() [[NUW]]
// CHECK: define internal void @"\01??__Efoo@?$B@H@@2VA@@A@YAXXZ"() [[NUW]]
// CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"
// CHECK: call i32 @atexit(void ()* @"\01??__Ffoo@?$B@H@@YAXXZ")
// CHECK: call i32 @atexit(void ()* @"\01??__Ffoo@?$B@H@@2VA@@A@YAXXZ")
// CHECK: ret void
// CHECK: define linkonce_odr x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"
// CHECK: define linkonce_odr x86_thiscallcc void @"\01??1A@@QAE@XZ"
// CHECK: define internal void @"\01??__Ffoo@?$B@H@@YAXXZ"
// CHECK: define internal void @"\01??__Ffoo@?$B@H@@2VA@@A@YAXXZ"
// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"{{.*}}foo
// CHECK: ret void