diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp index a570ba8b13d..7a28281a799 100644 --- a/lib/Transforms/Scalar/SCCP.cpp +++ b/lib/Transforms/Scalar/SCCP.cpp @@ -22,11 +22,12 @@ //===----------------------------------------------------------------------===// #include "llvm/Transforms/Scalar.h" -#include "llvm/ConstantHandling.h" +#include "llvm/Constants.h" #include "llvm/Function.h" #include "llvm/GlobalVariable.h" #include "llvm/Instructions.h" #include "llvm/Pass.h" +#include "llvm/Type.h" #include "llvm/Support/InstVisitor.h" #include "Support/Debug.h" #include "Support/Statistic.h" @@ -558,17 +559,10 @@ void SCCP::visitTerminatorInst(TerminatorInst &TI) { void SCCP::visitCastInst(CastInst &I) { Value *V = I.getOperand(0); InstVal &VState = getValueState(V); - if (VState.isOverdefined()) { // Inherit overdefinedness of operand + if (VState.isOverdefined()) // Inherit overdefinedness of operand markOverdefined(&I); - } else if (VState.isConstant()) { // Propagate constant value - Constant *Result = - ConstantFoldCastInstruction(VState.getConstant(), I.getType()); - - if (Result) // If this instruction constant folds! - markConstant(&I, Result); - else - markOverdefined(&I); // Don't know how to fold this instruction. :( - } + else if (VState.isConstant()) // Propagate constant value + markConstant(&I, ConstantExpr::getCast(VState.getConstant(), I.getType())); } // Handle BinaryOperators and Shift Instructions...