Make this slightly more efficient by pushing actual type information down

into the evaluator.  This shrinks a release build of instcombine's text
section from 216363 to 215975 bytes (on PPC).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23468 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-27 06:38:05 +00:00
parent df0ef1d0fe
commit 09f00b1295

View File

@ -71,7 +71,8 @@ inline bind_ty<ConstantInt> m_ConstantInt(ConstantInt *&CI) { return CI; }
// Matchers for specific binary operators
//
template<typename LHS_t, typename RHS_t, unsigned Opcode>
template<typename LHS_t, typename RHS_t,
unsigned Opcode, typename ConcreteTy = BinaryOperator>
struct BinaryOp_match {
LHS_t L;
RHS_t R;
@ -80,9 +81,11 @@ struct BinaryOp_match {
template<typename OpTy>
bool match(OpTy *V) {
if (Instruction *I = dyn_cast<Instruction>(V))
if (V->getValueType() == Value::InstructionVal + Opcode) {
ConcreteTy *I = cast<ConcreteTy>(V);
return I->getOpcode() == Opcode && L.match(I->getOperand(0)) &&
R.match(I->getOperand(1));
}
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
return CE->getOpcode() == Opcode && L.match(CE->getOperand(0)) &&
R.match(CE->getOperand(1));
@ -139,15 +142,15 @@ inline BinaryOp_match<LHS, RHS, Instruction::Xor> m_Xor(const LHS &L,
}
template<typename LHS, typename RHS>
inline BinaryOp_match<LHS, RHS, Instruction::Shl> m_Shl(const LHS &L,
const RHS &R) {
return BinaryOp_match<LHS, RHS, Instruction::Shl>(L, R);
inline BinaryOp_match<LHS, RHS, Instruction::Shl,
ShiftInst> m_Shl(const LHS &L, const RHS &R) {
return BinaryOp_match<LHS, RHS, Instruction::Shl, ShiftInst>(L, R);
}
template<typename LHS, typename RHS>
inline BinaryOp_match<LHS, RHS, Instruction::Shr> m_Shr(const LHS &L,
const RHS &R) {
return BinaryOp_match<LHS, RHS, Instruction::Shr>(L, R);
inline BinaryOp_match<LHS, RHS, Instruction::Shr,
ShiftInst> m_Shr(const LHS &L, const RHS &R) {
return BinaryOp_match<LHS, RHS, Instruction::Shr, ShiftInst>(L, R);
}
//===----------------------------------------------------------------------===//