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Remove use of ConstantHandling itf

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llvm-svn: 10781
This commit is contained in:
Chris Lattner 2004-01-12 18:02:15 +00:00
parent a2612e417c
commit c290310e9f
1 changed files with 11 additions and 9 deletions
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20
lib/Analysis/Expressions.cpp
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@ -15,8 +15,9 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/Expressions.h"
#include "llvm/ConstantHandling.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/Type.h"
using namespace llvm;
ExprType::ExprType(Value *Val) {
@ -114,9 +115,8 @@ static const ConstantInt *Add(const ConstantInt *Arg1,
assert(Arg1->getType() == Arg2->getType() && "Types must be compatible!");
// Actually perform the computation now!
Constant *Result = *Arg1 + *Arg2;
assert(Result && Result->getType() == Arg1->getType() &&
"Couldn't perform addition!");
Constant *Result = ConstantExpr::get(Instruction::Add, (Constant*)Arg1,
(Constant*)Arg2);
ConstantInt *ResultI = cast<ConstantInt>(Result);
// Check to see if the result is one of the special cases that we want to
@ -164,7 +164,8 @@ static inline const ConstantInt *Mul(const ConstantInt *Arg1,
assert(Arg1->getType() == Arg2->getType() && "Types must be compatible!");
// Actually perform the computation now!
Constant *Result = *Arg1 * *Arg2;
Constant *Result = ConstantExpr::get(Instruction::Mul, (Constant*)Arg1,
(Constant*)Arg2);
assert(Result && Result->getType() == Arg1->getType() &&
"Couldn't perform multiplication!");
ConstantInt *ResultI = cast<ConstantInt>(Result);
@ -225,7 +226,8 @@ static inline ExprType negate(const ExprType &E, Value *V) {
const Type *Ty = V->getType();
ConstantInt *Zero = getUnsignedConstant(0, Ty);
ConstantInt *One = getUnsignedConstant(1, Ty);
ConstantInt *NegOne = cast<ConstantInt>(*Zero - *One);
ConstantInt *NegOne = cast<ConstantInt>(ConstantExpr::get(Instruction::Sub,
Zero, One));
if (NegOne == 0) return V; // Couldn't subtract values...
return ExprType(DefOne (E.Scale , Ty) * NegOne, E.Var,
@ -338,12 +340,12 @@ ExprType llvm::ClassifyExpr(Value *Expr) {
const ConstantInt *Offset = Src.Offset;
const ConstantInt *Scale = Src.Scale;
if (Offset) {
const Constant *CPV = ConstantFoldCastInstruction(Offset, DestTy);
if (!CPV) return I;
const Constant *CPV = ConstantExpr::getCast((Constant*)Offset, DestTy);
if (!isa<ConstantInt>(CPV)) return I;
Offset = cast<ConstantInt>(CPV);
}
if (Scale) {
const Constant *CPV = ConstantFoldCastInstruction(Scale, DestTy);
const Constant *CPV = ConstantExpr::getCast((Constant*)Scale, DestTy);
if (!CPV) return I;
Scale = cast<ConstantInt>(CPV);
}