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[Windows] Fix mangling of number literal '0'

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Do this by making the mangleNumber(APSInt) overload look like
the int64_t version. (The latter should probably just delegate
to the former).

Test from Evgeny Eltsin!

llvm-svn: 167599
This commit is contained in:
Nico Weber 2012-11-08 23:38:59 +00:00
parent a2d228b570
commit 7d37f05a44
2 changed files with 5 additions and 2 deletions
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4
clang/lib/AST/MicrosoftMangle.cpp
View File

@ -351,10 +351,10 @@ void MicrosoftCXXNameMangler::mangleNumber(const llvm::APSInt &Value) {
char *CurPtr = EndPtr;
llvm::APSInt NibbleMask(Value.getBitWidth(), Value.isUnsigned());
NibbleMask = 0xf;
for (int i = 0, e = (Value.getActiveBits() + 3) / 4; i != e; ++i) {
do {
*--CurPtr = 'A' + Temp.And(NibbleMask).getLimitedValue(0xf);
Temp = Temp.lshr(4);
}
} while (Temp != 0);
Out.write(CurPtr, EndPtr-CurPtr);
Out << '@';
}

3
clang/test/CodeGenCXX/mangle-ms-templates.cpp
View File

@ -48,6 +48,9 @@ void template_mangling() {
// CHECK: call {{.*}} @"\01??0?$BoolTemplate@$00@@QAE@XZ"
// CHECK: call {{.*}} @"\01??$Foo@H@?$BoolTemplate@$00@@QAEXH@Z"
IntTemplate<0> zero;
// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0A@@@QAE@XZ"
IntTemplate<5> five;
// CHECK: call {{.*}} @"\01??0?$IntTemplate@$04@@QAE@XZ"