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Pass a vector around to reduce dynamic allocation 

Throw the RawInst class in an anon namespace

llvm-svn: 8990
This commit is contained in:
Chris Lattner 2003-10-09 20:45:42 +00:00
parent c6ba9de7b7
commit 819ce2dca1
3 changed files with 17 additions and 13 deletions
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24
llvm/lib/Bytecode/Reader/InstructionReader.cpp
View File

@ -14,15 +14,16 @@
#include "llvm/iPHINode.h"
#include "llvm/iOther.h"
struct RawInst { // The raw fields out of the bytecode stream...
unsigned NumOperands;
unsigned Opcode;
unsigned Type;
RawInst(const unsigned char *&Buf, const unsigned char *EndBuf,
std::vector<unsigned> &Args);
};
namespace {
struct RawInst { // The raw fields out of the bytecode stream...
unsigned NumOperands;
unsigned Opcode;
unsigned Type;
RawInst(const unsigned char *&Buf, const unsigned char *EndBuf,
std::vector<unsigned> &Args);
};
}
@ -102,8 +103,9 @@ RawInst::RawInst(const unsigned char *&Buf, const unsigned char *EndBuf,
Instruction *BytecodeParser::ParseInstruction(const unsigned char *&Buf,
const unsigned char *EndBuf) {
std::vector<unsigned> Args;
const unsigned char *EndBuf,
std::vector<unsigned> &Args) {
Args.clear();
RawInst RI(Buf, EndBuf, Args);
const Type *InstTy = getType(RI.Type);

3
llvm/lib/Bytecode/Reader/Reader.cpp
View File

@ -200,7 +200,8 @@ BasicBlock *BytecodeParser::ParseBasicBlock(const unsigned char *&Buf,
BB = ParsedBasicBlocks[BlockNo];
while (Buf < EndBuf) {
Instruction *Inst = ParseInstruction(Buf, EndBuf);
std::vector<unsigned> Args;
Instruction *Inst = ParseInstruction(Buf, EndBuf, Args);
insertValue(Inst, Values);
BB->getInstList().push_back(Inst);
BCR_TRACE(4, Inst);

3
llvm/lib/Bytecode/Reader/ReaderInternals.h
View File

@ -149,7 +149,8 @@ private:
unsigned BlockNo);
Instruction *ParseInstruction(const unsigned char *&Buf,
const unsigned char *End);
const unsigned char *End,
std::vector<unsigned> &Args);
void ParseConstantPool(const unsigned char *&Buf, const unsigned char *EndBuf,
ValueTable &Tab, TypeValuesListTy &TypeTab);