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llvm-mc: Stop uniqueing string tokens, nothing actually uses this.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-07-28 00:58:50 +00:00
parent 04d5544034
commit 825e385ffe
2 changed files with 4 additions and 20 deletions
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20
tools/llvm-mc/AsmLexer.cpp
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@ -12,7 +12,6 @@
//===----------------------------------------------------------------------===//
#include "AsmLexer.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Config/config.h" // for strtoull.
@ -21,21 +20,14 @@
#include <cstdlib>
using namespace llvm;
static StringSet<> &getSS(void *TheSS) {
return *(StringSet<>*)TheSS;
}
AsmLexer::AsmLexer(SourceMgr &SM) : SrcMgr(SM) {
CurBuffer = 0;
CurBuf = SrcMgr.getMemoryBuffer(CurBuffer);
CurPtr = CurBuf->getBufferStart();
TokStart = 0;
TheStringSet = new StringSet<>();
}
AsmLexer::~AsmLexer() {
delete &getSS(TheStringSet);
}
SMLoc AsmLexer::getLoc() const {
@ -107,9 +99,7 @@ asmtok::TokKind AsmLexer::LexIdentifier() {
*CurPtr == '.' || *CurPtr == '@')
++CurPtr;
// Unique string.
CurStrVal = getSS(TheStringSet).GetOrCreateValue(StringRef(TokStart,
CurPtr - TokStart),
0).getKeyData();
CurStrVal = StringRef(TokStart, CurPtr - TokStart);
return asmtok::Identifier;
}
@ -122,9 +112,7 @@ asmtok::TokKind AsmLexer::LexPercent() {
++CurPtr;
// Unique string.
CurStrVal = getSS(TheStringSet).GetOrCreateValue(StringRef(TokStart,
CurPtr - TokStart),
0).getKeyData();
CurStrVal = StringRef(TokStart, CurPtr - TokStart);
return asmtok::Register;
}
@ -251,9 +239,7 @@ asmtok::TokKind AsmLexer::LexQuote() {
}
// Unique string, include quotes for now.
CurStrVal = getSS(TheStringSet).GetOrCreateValue(StringRef(TokStart,
CurPtr - TokStart),
0).getKeyData();
CurStrVal = StringRef(TokStart, CurPtr - TokStart);
return asmtok::String;
}

4
tools/llvm-mc/AsmLexer.h
View File

@ -59,13 +59,11 @@ class AsmLexer : public MCAsmLexer {
const char *CurPtr;
const MemoryBuffer *CurBuf;
// A llvm::StringSet<>, which provides uniqued and null-terminated strings.
void *TheStringSet;
// Information about the current token.
const char *TokStart;
asmtok::TokKind CurKind;
const char *CurStrVal; // This is valid for Identifier.
StringRef CurStrVal; // This is valid for Identifier.
int64_t CurIntVal;
/// CurBuffer - This is the current buffer index we're lexing from as managed