[llvm-commits] CVS: llvm/lib/Bytecode/Reader/ConstantReader.cpp Reader.cpp ReaderInternals.h
Chris Lattner
lattner at cs.uiuc.edu
Wed Nov 19 00:02:02 PST 2003
Changes in directory llvm/lib/Bytecode/Reader:
ConstantReader.cpp updated: 1.62 -> 1.63
Reader.cpp updated: 1.88 -> 1.89
ReaderInternals.h updated: 1.66 -> 1.67
---
Log message:
Minor speedup to do less linear time searches of information we already have.
speeds up disassembly of kc++ by .6s
---
Diffs of the changes: (+12 -10)
Index: llvm/lib/Bytecode/Reader/ConstantReader.cpp
diff -u llvm/lib/Bytecode/Reader/ConstantReader.cpp:1.62 llvm/lib/Bytecode/Reader/ConstantReader.cpp:1.63
--- llvm/lib/Bytecode/Reader/ConstantReader.cpp:1.62 Tue Nov 11 16:41:32 2003
+++ llvm/lib/Bytecode/Reader/ConstantReader.cpp Wed Nov 19 00:01:12 2003
@@ -168,13 +168,11 @@
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 @@
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);
}
Index: llvm/lib/Bytecode/Reader/Reader.cpp
diff -u llvm/lib/Bytecode/Reader/Reader.cpp:1.88 llvm/lib/Bytecode/Reader/Reader.cpp:1.89
--- llvm/lib/Bytecode/Reader/Reader.cpp:1.88 Tue Nov 11 16:41:32 2003
+++ llvm/lib/Bytecode/Reader/Reader.cpp Wed Nov 19 00:01:12 2003
@@ -172,13 +172,14 @@
/// constant hasn't been parsed yet, a placeholder is defined and used. Later,
/// after the real value is parsed, the placeholder is eliminated.
///
-Constant *BytecodeParser::getConstantValue(const Type *Ty, unsigned Slot) {
- if (Value *V = getValue(Ty, Slot, false))
+Constant *BytecodeParser::getConstantValue(unsigned TypeSlot, unsigned Slot) {
+ if (Value *V = getValue(TypeSlot, Slot, false))
if (Constant *C = dyn_cast<Constant>(V))
return C; // If we already have the value parsed, just return it
else
throw std::string("Reference of a value is expected to be a constant!");
+ const Type *Ty = getType(TypeSlot);
std::pair<const Type*, unsigned> Key(Ty, Slot);
GlobalRefsType::iterator I = GlobalRefs.lower_bound(Key);
Index: llvm/lib/Bytecode/Reader/ReaderInternals.h
diff -u llvm/lib/Bytecode/Reader/ReaderInternals.h:1.66 llvm/lib/Bytecode/Reader/ReaderInternals.h:1.67
--- llvm/lib/Bytecode/Reader/ReaderInternals.h:1.66 Fri Nov 14 10:34:25 2003
+++ llvm/lib/Bytecode/Reader/ReaderInternals.h Wed Nov 19 00:01:12 2003
@@ -180,7 +180,10 @@
Value *getValue(unsigned TypeID, unsigned num, bool Create = true);
const Type *getType(unsigned ID);
BasicBlock *getBasicBlock(unsigned ID);
- Constant *getConstantValue(const Type *Ty, unsigned num);
+ Constant *getConstantValue(unsigned TypeID, unsigned num);
+ Constant *getConstantValue(const Type *Ty, unsigned num) {
+ return getConstantValue(getTypeSlot(Ty), num);
+ }
unsigned insertValue(Value *V, ValueTable &Table);
unsigned insertValue(Value *V, unsigned Type, ValueTable &Table);
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