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[pr20127] Check for leading \1 in the Twine version of getNameWithPrefix.

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No functionality change, but will simplify an upcoming patch that uses the
Twine version.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214515 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-08-01 14:16:40 +00:00
parent 19f5c7eba6
commit a36429f26d
1 changed files with 8 additions and 8 deletions
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16
lib/IR/Mangler.cpp
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@ -27,6 +27,13 @@ static void getNameWithPrefixx(raw_ostream &OS, const Twine &GVName,
StringRef Name = GVName.toStringRef(TmpData);
assert(!Name.empty() && "getNameWithPrefix requires non-empty name");
// No need to do anything special if the global has the special "do not
// mangle" flag in the name.
if (Name[0] == '\1') {
OS << Name.substr(1);
return;
}
if (PrefixTy == Mangler::Private)
OS << DL.getPrivateGlobalPrefix();
else if (PrefixTy == Mangler::LinkerPrivate)
@ -100,17 +107,10 @@ void Mangler::getNameWithPrefix(raw_ostream &OS, const GlobalValue *GV,
StringRef Name = GV->getName();
// No need to do anything special if the global has the special "do not
// mangle" flag in the name.
if (Name[0] == '\1') {
OS << Name.substr(1);
return;
}
bool UseAt = false;
const Function *MSFunc = nullptr;
CallingConv::ID CC;
if (DL->hasMicrosoftFastStdCallMangling()) {
if (Name[0] != '\1' && DL->hasMicrosoftFastStdCallMangling()) {
if ((MSFunc = dyn_cast<Function>(GV))) {
CC = MSFunc->getCallingConv();
// fastcall functions need to start with @ instead of _.