r188053 - [-cxx-abi microsoft] Mangle UUIDs correctly, stick them in the proper section
David Majnemer
david.majnemer at gmail.com
Thu Aug 8 22:09:04 PDT 2013
Author: majnemer
Date: Fri Aug 9 00:09:04 2013
New Revision: 188053
URL: http://llvm.org/viewvc/llvm-project?rev=188053&view=rev
Log:
[-cxx-abi microsoft] Mangle UUIDs correctly, stick them in the proper section
We mangled them like:
L___uuid_12345678-1234-1234-1234-123456789abc
We should've mangled them like:
__GUID_12345678_1234_1234_1234_123456789abc
Furthermore, they are external symbols.
Modified:
cfe/trunk/lib/AST/MicrosoftMangle.cpp
cfe/trunk/lib/CodeGen/CodeGenModule.cpp
cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp
Modified: cfe/trunk/lib/AST/MicrosoftMangle.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/MicrosoftMangle.cpp?rev=188053&r1=188052&r2=188053&view=diff
==============================================================================
--- cfe/trunk/lib/AST/MicrosoftMangle.cpp (original)
+++ cfe/trunk/lib/AST/MicrosoftMangle.cpp Fri Aug 9 00:09:04 2013
@@ -317,10 +317,7 @@ void MicrosoftCXXNameMangler::mangleVari
// mangled as 'QAHA' instead of 'PAHB', for example.
TypeLoc TL = VD->getTypeSourceInfo()->getTypeLoc();
QualType Ty = TL.getType();
- if (Ty->isPointerType() || Ty->isReferenceType()) {
- mangleType(Ty, TL.getSourceRange(), QMM_Drop);
- mangleQualifiers(Ty->getPointeeType().getQualifiers(), false);
- } else if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) {
+ if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) {
// Global arrays are funny, too.
mangleDecayedArrayType(AT, true);
if (AT->getElementType()->isArrayType())
Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=188053&r1=188052&r2=188053&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Fri Aug 9 00:09:04 2013
@@ -1059,7 +1059,8 @@ llvm::Constant *CodeGenModule::GetAddrOf
else
Uuid = "00000000-0000-0000-0000-000000000000";
}
- std::string Name = "__uuid_" + Uuid.str();
+ std::string Name = "_GUID_" + Uuid.lower();
+ std::replace(Name.begin(), Name.end(), '-', '_');
// Look for an existing global.
if (llvm::GlobalVariable *GV = getModule().getNamedGlobal(Name))
@@ -1082,7 +1083,7 @@ llvm::Constant *CodeGenModule::GetAddrOf
}
llvm::GlobalVariable *GV = new llvm::GlobalVariable(getModule(), GuidType,
- /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, Init, Name);
+ /*isConstant=*/true, llvm::GlobalValue::ExternalLinkage, Init, Name);
GV->setUnnamedAddr(true);
return GV;
}
Modified: cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp?rev=188053&r1=188052&r2=188053&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp Fri Aug 9 00:09:04 2013
@@ -8,7 +8,7 @@ typedef struct _GUID
unsigned char Data4[8];
} GUID;
-struct __declspec(uuid("12345678-1234-1234-1234-1234567890ab")) S1 { } s1;
+struct __declspec(uuid("12345678-1234-1234-1234-1234567890aB")) S1 { } s1;
struct __declspec(uuid("87654321-4321-4321-4321-ba0987654321")) S2 { };
// This gets initialized in a static initializer.
@@ -16,23 +16,23 @@ struct __declspec(uuid("87654321-4321-43
GUID g = __uuidof(S1);
// First global use of __uuidof(S1) forces the creation of the global.
-// CHECK: @__uuid_12345678-1234-1234-1234-1234567890ab = private unnamed_addr constant %struct._GUID { i32 305419896, i16 4660, i16 4660, [8 x i8] c"\124\124Vx\90\AB" }
-// CHECK: @gr = constant %struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab, align 4
+// CHECK: @_GUID_12345678_1234_1234_1234_1234567890ab = unnamed_addr constant %struct._GUID { i32 305419896, i16 4660, i16 4660, [8 x i8] c"\124\124Vx\90\AB" }
+// CHECK: @gr = constant %struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab, align 4
const GUID& gr = __uuidof(S1);
-// CHECK: @gp = global %struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab, align 4
+// CHECK: @gp = global %struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab, align 4
const GUID* gp = &__uuidof(S1);
// Special case: _uuidof(0)
-// CHECK: @zeroiid = constant %struct._GUID* @__uuid_00000000-0000-0000-0000-000000000000, align 4
+// CHECK: @zeroiid = constant %struct._GUID* @_GUID_00000000_0000_0000_0000_000000000000, align 4
const GUID& zeroiid = __uuidof(0);
// __uuidof(S2) hasn't been used globally yet, so it's emitted when it's used
// in a function and is emitted at the end of the globals section.
-// CHECK: @__uuid_87654321-4321-4321-4321-ba0987654321 = private unnamed_addr constant %struct._GUID { i32 -2023406815, i16 17185, i16 17185, [8 x i8] c"C!\BA\09\87eC!" }
+// CHECK: @_GUID_87654321_4321_4321_4321_ba0987654321 = unnamed_addr constant %struct._GUID { i32 -2023406815, i16 17185, i16 17185, [8 x i8] c"C!\BA\09\87eC!" }
// The static initializer for g.
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @g to i8*), i8* bitcast (%struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab to i8*), i32 16, i32 4, i1 false)
+// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast (%struct._GUID* @g to i8*), i8* bitcast (%struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false)
void fun() {
// CHECK: %s1_1 = alloca %struct._GUID, align 4
@@ -40,15 +40,15 @@ void fun() {
// CHECK: %s1_3 = alloca %struct._GUID, align 4
// CHECK: [[U1:%.+]] = bitcast %struct._GUID* %s1_1 to i8*
- // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U1]], i8* bitcast (%struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab to i8*), i32 16, i32 4, i1 false)
+ // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U1]], i8* bitcast (%struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false)
GUID s1_1 = __uuidof(S1);
// CHECK: [[U2:%.+]] = bitcast %struct._GUID* %s1_2 to i8*
- // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U2]], i8* bitcast (%struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab to i8*), i32 16, i32 4, i1 false)
+ // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U2]], i8* bitcast (%struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false)
GUID s1_2 = __uuidof(S1);
// CHECK: [[U3:%.+]] = bitcast %struct._GUID* %s1_3 to i8*
- // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U3]], i8* bitcast (%struct._GUID* @__uuid_12345678-1234-1234-1234-1234567890ab to i8*), i32 16, i32 4, i1 false)
+ // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[U3]], i8* bitcast (%struct._GUID* @_GUID_12345678_1234_1234_1234_1234567890ab to i8*), i32 16, i32 4, i1 false)
GUID s1_3 = __uuidof(s1);
}
@@ -61,12 +61,12 @@ void gun() {
GUID s2_1 = __uuidof(S2);
GUID s2_2 = __uuidof(S2);
- // CHECK: store %struct._GUID* @__uuid_87654321-4321-4321-4321-ba0987654321, %struct._GUID** %r, align 4
+ // CHECK: store %struct._GUID* @_GUID_87654321_4321_4321_4321_ba0987654321, %struct._GUID** %r, align 4
const GUID& r = __uuidof(S2);
- // CHECK: store %struct._GUID* @__uuid_87654321-4321-4321-4321-ba0987654321, %struct._GUID** %p, align 4
+ // CHECK: store %struct._GUID* @_GUID_87654321_4321_4321_4321_ba0987654321, %struct._GUID** %p, align 4
const GUID* p = &__uuidof(S2);
// Special case _uuidof(0), local scope version.
- // CHECK: store %struct._GUID* @__uuid_00000000-0000-0000-0000-000000000000, %struct._GUID** %zeroiid, align 4
+ // CHECK: store %struct._GUID* @_GUID_00000000_0000_0000_0000_000000000000, %struct._GUID** %zeroiid, align 4
const GUID& zeroiid = __uuidof(0);
}
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