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remove use of alloca. 

llvm-svn: 39815
This commit is contained in:
Chris Lattner 2007-07-13 17:10:38 +00:00
parent 7a5af78270
commit f9aba2c2b4
1 changed files with 3 additions and 2 deletions
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5
clang/Lex/Preprocessor.cpp
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@ -37,7 +37,6 @@
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/SmallVector.h"
#include <iostream>
#include <alloca.h>
using namespace clang;
//===----------------------------------------------------------------------===//
@ -908,7 +907,9 @@ IdentifierInfo *Preprocessor::LookUpIdentifierInfo(LexerToken &Identifier,
II = getIdentifierInfo(BufPtr, BufPtr+Identifier.getLength());
} else {
// Cleaning needed, alloca a buffer, clean into it, then use the buffer.
const char *TmpBuf = (char*)alloca(Identifier.getLength());
llvm::SmallVector<char, 64> IdentifierBuffer;
IdentifierBuffer.resize(Identifier.getLength());
const char *TmpBuf = &IdentifierBuffer[0];
unsigned Size = getSpelling(Identifier, TmpBuf);
II = getIdentifierInfo(TmpBuf, TmpBuf+Size);
}