diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SCCP.cpp | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp index adc70d917f5..8d8f51ce66f 100644 --- a/llvm/lib/Transforms/Scalar/SCCP.cpp +++ b/llvm/lib/Transforms/Scalar/SCCP.cpp @@ -948,69 +948,16 @@ void SCCPSolver::visitCmpInst(CmpInst &I) { void SCCPSolver::visitExtractElementInst(ExtractElementInst &I) { // TODO : SCCP does not handle vectors properly. return markOverdefined(&I); - -#if 0 - LatticeVal &ValState = getValueState(I.getOperand(0)); - LatticeVal &IdxState = getValueState(I.getOperand(1)); - - if (ValState.isOverdefined() || IdxState.isOverdefined()) - markOverdefined(&I); - else if(ValState.isConstant() && IdxState.isConstant()) - markConstant(&I, ConstantExpr::getExtractElement(ValState.getConstant(), - IdxState.getConstant())); -#endif } void SCCPSolver::visitInsertElementInst(InsertElementInst &I) { // TODO : SCCP does not handle vectors properly. return markOverdefined(&I); -#if 0 - LatticeVal &ValState = getValueState(I.getOperand(0)); - LatticeVal &EltState = getValueState(I.getOperand(1)); - LatticeVal &IdxState = getValueState(I.getOperand(2)); - - if (ValState.isOverdefined() || EltState.isOverdefined() || - IdxState.isOverdefined()) - markOverdefined(&I); - else if(ValState.isConstant() && EltState.isConstant() && - IdxState.isConstant()) - markConstant(&I, ConstantExpr::getInsertElement(ValState.getConstant(), - EltState.getConstant(), - IdxState.getConstant())); - else if (ValState.isUndefined() && EltState.isConstant() && - IdxState.isConstant()) - markConstant(&I,ConstantExpr::getInsertElement(UndefValue::get(I.getType()), - EltState.getConstant(), - IdxState.getConstant())); -#endif } void SCCPSolver::visitShuffleVectorInst(ShuffleVectorInst &I) { // TODO : SCCP does not handle vectors properly. return markOverdefined(&I); -#if 0 - LatticeVal &V1State = getValueState(I.getOperand(0)); - LatticeVal &V2State = getValueState(I.getOperand(1)); - LatticeVal &MaskState = getValueState(I.getOperand(2)); - - if (MaskState.isUndefined() || - (V1State.isUndefined() && V2State.isUndefined())) - return; // Undefined output if mask or both inputs undefined. - - if (V1State.isOverdefined() || V2State.isOverdefined() || - MaskState.isOverdefined()) { - markOverdefined(&I); - } else { - // A mix of constant/undef inputs. - Constant *V1 = V1State.isConstant() ? - V1State.getConstant() : UndefValue::get(I.getType()); - Constant *V2 = V2State.isConstant() ? - V2State.getConstant() : UndefValue::get(I.getType()); - Constant *Mask = MaskState.isConstant() ? - MaskState.getConstant() : UndefValue::get(I.getOperand(2)->getType()); - markConstant(&I, ConstantExpr::getShuffleVector(V1, V2, Mask)); - } -#endif } // Handle getelementptr instructions. If all operands are constants then we |

