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Add more pattern matchers for compares, instructions, and BinaryOperators. NFC.

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Add a few more matchers to make the code in the next commit more compact.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223785 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Juergen Ributzka 2014-12-09 16:36:10 +00:00
parent 50f10eb432
commit c4dedab6a6
1 changed files with 50 additions and 4 deletions
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54
include/llvm/IR/PatternMatch.h
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@ -68,6 +68,18 @@ struct class_match {
/// m_Value() - Match an arbitrary value and ignore it.
inline class_match<Value> m_Value() { return class_match<Value>(); }
/// m_Instruction() - Match an arbitrary instruction and ignore it.
inline class_match<Instruction> m_Instruction() {
return class_match<Instruction>();
}
/// m_BinOp() - Match an arbitrary binary operation and ignore it.
inline class_match<BinaryOperator> m_BinOp() {
return class_match<BinaryOperator>();
}
/// m_Cmp() - Matches any compare instruction and ignore it.
inline class_match<CmpInst> m_Cmp() {
return class_match<CmpInst>();
}
/// m_ConstantInt() - Match an arbitrary ConstantInt and ignore it.
inline class_match<ConstantInt> m_ConstantInt() {
return class_match<ConstantInt>();
@ -299,6 +311,12 @@ struct bind_ty {
/// m_Value - Match a value, capturing it if we match.
inline bind_ty<Value> m_Value(Value *&V) { return V; }
/// m_Instruction - Match a instruction, capturing it if we match.
inline bind_ty<Instruction> m_Instruction(Instruction *&I) { return I; }
/// m_BinOp - Match a instruction, capturing it if we match.
inline bind_ty<BinaryOperator> m_BinOp(BinaryOperator *&I) { return I; }
/// m_ConstantInt - Match a ConstantInt, capturing the value if we match.
inline bind_ty<ConstantInt> m_ConstantInt(ConstantInt *&CI) { return CI; }
@ -389,6 +407,30 @@ inline specific_intval m_SpecificInt(uint64_t V) { return specific_intval(V); }
/// match ConstantInts wider than 64-bits.
inline bind_const_intval_ty m_ConstantInt(uint64_t &V) { return V; }
//===----------------------------------------------------------------------===//
// Matcher for any binary operator.
//
template<typename LHS_t, typename RHS_t>
struct AnyBinaryOp_match {
LHS_t L;
RHS_t R;
AnyBinaryOp_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
template<typename OpTy>
bool match(OpTy *V) {
if (auto *I = dyn_cast<BinaryOperator>(V))
return L.match(I->getOperand(0)) && R.match(I->getOperand(1));
return false;
}
};
template<typename LHS, typename RHS>
inline AnyBinaryOp_match<LHS, RHS>
m_BinOp(const LHS &L, const RHS &R) {
return AnyBinaryOp_match<LHS, RHS>(L, R);
}
//===----------------------------------------------------------------------===//
// Matchers for specific binary operators.
//
@ -700,18 +742,22 @@ struct CmpClass_match {
}
};
template<typename LHS, typename RHS>
inline CmpClass_match<LHS, RHS, CmpInst, CmpInst::Predicate>
m_Cmp(CmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
return CmpClass_match<LHS, RHS, CmpInst, CmpInst::Predicate>(Pred, L, R);
}
template<typename LHS, typename RHS>
inline CmpClass_match<LHS, RHS, ICmpInst, ICmpInst::Predicate>
m_ICmp(ICmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
return CmpClass_match<LHS, RHS,
ICmpInst, ICmpInst::Predicate>(Pred, L, R);
return CmpClass_match<LHS, RHS, ICmpInst, ICmpInst::Predicate>(Pred, L, R);
}
template<typename LHS, typename RHS>
inline CmpClass_match<LHS, RHS, FCmpInst, FCmpInst::Predicate>
m_FCmp(FCmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
return CmpClass_match<LHS, RHS,
FCmpInst, FCmpInst::Predicate>(Pred, L, R);
return CmpClass_match<LHS, RHS, FCmpInst, FCmpInst::Predicate>(Pred, L, R);
}
//===----------------------------------------------------------------------===//