6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-01 15:17:25 +00:00
Code Issues Projects Releases Wiki Activity

strength reduce a ton of type equality tests to check the typeid (Through

Browse Source 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-10-05 05:54:46 +00:00
parent 5f7962c1b6
commit cf0fe8d813
17 changed files with 121 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@@ -342,7 +342,7 @@ Value *BitcodeReaderMDValueList::getValueFwdRef(unsigned Idx) {
resize(Idx + 1);
if (Value *V = MDValuePtrs[Idx]) {
assert(V->getType() == Type::getMetadataTy(Context) && "Type mismatch in value table!");
assert(V->getType()->isMetadataTy() && "Type mismatch in value table!");
return V;
}
@@ -808,7 +808,7 @@ bool BitcodeReader::ParseMetadata() {
SmallVector<Value*, 8> Elts;
for (unsigned i = 0; i != Size; i += 2) {
const Type *Ty = getTypeByID(Record[i], false);
if (Ty == Type::getMetadataTy(Context))
if (Ty->isMetadataTy())
Elts.push_back(MDValueList.getValueFwdRef(Record[i+1]));
else if (Ty != Type::getVoidTy(Context))
Elts.push_back(ValueList.getValueFwdRef(Record[i+1], Ty));
@@ -967,19 +967,19 @@ bool BitcodeReader::ParseConstants() {
case bitc::CST_CODE_FLOAT: { // FLOAT: [fpval]
if (Record.empty())
return Error("Invalid FLOAT record");
if (CurTy == Type::getFloatTy(Context))
if (CurTy->isFloatTy())
V = ConstantFP::get(Context, APFloat(APInt(32, (uint32_t)Record[0])));
else if (CurTy == Type::getDoubleTy(Context))
else if (CurTy->isDoubleTy())
V = ConstantFP::get(Context, APFloat(APInt(64, Record[0])));
else if (CurTy == Type::getX86_FP80Ty(Context)) {
else if (CurTy->isX86_FP80Ty()) {
// Bits are not stored the same way as a normal i80 APInt, compensate.
uint64_t Rearrange[2];
Rearrange[0] = (Record[1] & 0xffffLL) | (Record[0] << 16);
Rearrange[1] = Record[0] >> 48;
V = ConstantFP::get(Context, APFloat(APInt(80, 2, Rearrange)));
} else if (CurTy == Type::getFP128Ty(Context))
} else if (CurTy->isFP128Ty())
V = ConstantFP::get(Context, APFloat(APInt(128, 2, &Record[0]), true));
else if (CurTy == Type::getPPC_FP128Ty(Context))
else if (CurTy->isPPC_FP128Ty())
V = ConstantFP::get(Context, APFloat(APInt(128, 2, &Record[0])));
else
V = UndefValue::get(CurTy);