6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-13 22:24:07 +00:00
Code Issues Projects Releases Wiki Activity

Minor speedup to do less linear time searches of information we already have.

Browse Source 
speeds up disassembly of kc++ by .6s


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10079 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-11-19 06:01:12 +00:00
parent cc33d70a92
commit 1c3673b238
3 changed files with 12 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/Bytecode/Reader/ConstantReader.cpp
View File

@ -168,13 +168,11 @@ Constant *BytecodeParser::parseConstantValue(const unsigned char *&Buf,
unsigned ArgValSlot, ArgTypeSlot;
if (read_vbr(Buf, EndBuf, ArgValSlot)) throw Error_readvbr;
if (read_vbr(Buf, EndBuf, ArgTypeSlot)) throw Error_readvbr;
const Type *ArgTy = getType(ArgTypeSlot);
BCR_TRACE(4, "CE Arg " << i << ": Type: '" << *ArgTy << "' slot: "
<< ArgValSlot << "\n");
BCR_TRACE(4, "CE Arg " << i << ": Type: '" << *getType(ArgTypeSlot)
<< "' slot: " << ArgValSlot << "\n");
// Get the arg value from its slot if it exists, otherwise a placeholder
ArgVec.push_back(getConstantValue(ArgTy, ArgValSlot));
ArgVec.push_back(getConstantValue(ArgTypeSlot, ArgValSlot));
}
// Construct a ConstantExpr of the appropriate kind
@ -245,12 +243,12 @@ Constant *BytecodeParser::parseConstantValue(const unsigned char *&Buf,
case Type::ArrayTyID: {
const ArrayType *AT = cast<ArrayType>(Ty);
unsigned NumElements = AT->getNumElements();
unsigned TypeSlot = getTypeSlot(AT->getElementType());
std::vector<Constant*> Elements;
while (NumElements--) { // Read all of the elements of the constant.
unsigned Slot;
if (read_vbr(Buf, EndBuf, Slot)) throw Error_readvbr;
Elements.push_back(getConstantValue(AT->getElementType(), Slot));
Elements.push_back(getConstantValue(TypeSlot, Slot));
}
return ConstantArray::get(AT, Elements);
}