6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-19 06:31:18 +00:00
Code Issues Projects Releases Wiki Activity

Fix an infinite loop compiling oggenc last night.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28128 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-05-05 20:51:30 +00:00
parent 4713724eda
commit 581a7ad7c9
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lib/Transforms/Scalar/InstructionCombining.cpp
View File

@ -2642,9 +2642,10 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
// fold (and (cast A), (cast B)) -> (cast (and A, B))
if (CastInst *Op0C = dyn_cast<CastInst>(Op0)) {
const Type *SrcTy = Op0C->getOperand(0)->getType();
if (CastInst *Op1C = dyn_cast<CastInst>(Op1))
if (Op0C->getOperand(0)->getType() == Op1C->getOperand(0)->getType() &&
Op0C->getOperand(0)->getType()->isIntegral()) {
if (SrcTy == Op1C->getOperand(0)->getType() && SrcTy->isIntegral() &&
!SrcTy->isLosslesslyConvertibleTo(Op0C->getType())) {
Instruction *NewOp = BinaryOperator::createAnd(Op0C->getOperand(0),
Op1C->getOperand(0),
I.getName());
@ -2881,9 +2882,10 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
// fold (or (cast A), (cast B)) -> (cast (or A, B))
if (CastInst *Op0C = dyn_cast<CastInst>(Op0)) {
const Type *SrcTy = Op0C->getOperand(0)->getType();
if (CastInst *Op1C = dyn_cast<CastInst>(Op1))
if (Op0C->getOperand(0)->getType() == Op1C->getOperand(0)->getType() &&
Op0C->getOperand(0)->getType()->isIntegral()) {
if (SrcTy == Op1C->getOperand(0)->getType() && SrcTy->isIntegral() &&
!SrcTy->isLosslesslyConvertibleTo(Op0C->getType())) {
Instruction *NewOp = BinaryOperator::createOr(Op0C->getOperand(0),
Op1C->getOperand(0),
I.getName());
@ -3059,9 +3061,10 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) {
// fold (xor (cast A), (cast B)) -> (cast (xor A, B))
if (CastInst *Op0C = dyn_cast<CastInst>(Op0)) {
const Type *SrcTy = Op0C->getOperand(0)->getType();
if (CastInst *Op1C = dyn_cast<CastInst>(Op1))
if (Op0C->getOperand(0)->getType() == Op1C->getOperand(0)->getType() &&
Op0C->getOperand(0)->getType()->isIntegral()) {
if (SrcTy == Op1C->getOperand(0)->getType() && SrcTy->isIntegral() &&
!SrcTy->isLosslesslyConvertibleTo(Op0C->getType())) {
Instruction *NewOp = BinaryOperator::createXor(Op0C->getOperand(0),
Op1C->getOperand(0),
I.getName());