forked from OSchip/llvm-project
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
//===- lib/CodeGen/GlobalISel/LegalizerPredicates.cpp - Predicates --------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// A library of predicate factories to use for LegalityPredicate.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
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using namespace llvm;
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LegalityPredicate
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LegalityPredicates::all(LegalityPredicate P0, LegalityPredicate P1) {
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return [=](const LegalityQuery &Query) {
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return P0(Query) && P1(Query);
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};
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}
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LegalityPredicate
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LegalityPredicates::typeInSet(unsigned TypeIdx,
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std::initializer_list<LLT> TypesInit) {
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SmallVector<LLT, 4> Types = TypesInit;
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return [=](const LegalityQuery &Query) {
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return std::find(Types.begin(), Types.end(), Query.Types[TypeIdx]) != Types.end();
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};
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}
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LegalityPredicate LegalityPredicates::typePairInSet(
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unsigned TypeIdx0, unsigned TypeIdx1,
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std::initializer_list<std::pair<LLT, LLT>> TypesInit) {
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SmallVector<std::pair<LLT, LLT>, 4> Types = TypesInit;
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return [=](const LegalityQuery &Query) {
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std::pair<LLT, LLT> Match = {Query.Types[TypeIdx0], Query.Types[TypeIdx1]};
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return std::find(Types.begin(), Types.end(), Match) != Types.end();
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};
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}
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LegalityPredicate LegalityPredicates::isScalar(unsigned TypeIdx) {
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return [=](const LegalityQuery &Query) {
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return Query.Types[TypeIdx].isScalar();
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};
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}
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LegalityPredicate LegalityPredicates::narrowerThan(unsigned TypeIdx,
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unsigned Size) {
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return [=](const LegalityQuery &Query) {
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const LLT &QueryTy = Query.Types[TypeIdx];
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return QueryTy.isScalar() && QueryTy.getSizeInBits() < Size;
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};
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}
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LegalityPredicate LegalityPredicates::widerThan(unsigned TypeIdx,
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unsigned Size) {
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return [=](const LegalityQuery &Query) {
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const LLT &QueryTy = Query.Types[TypeIdx];
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return QueryTy.isScalar() && QueryTy.getSizeInBits() > Size;
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};
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}
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LegalityPredicate LegalityPredicates::sizeNotPow2(unsigned TypeIdx) {
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return [=](const LegalityQuery &Query) {
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const LLT &QueryTy = Query.Types[TypeIdx];
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return QueryTy.isScalar() && !isPowerOf2_32(QueryTy.getSizeInBits());
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};
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}
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LegalityPredicate LegalityPredicates::numElementsNotPow2(unsigned TypeIdx) {
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return [=](const LegalityQuery &Query) {
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const LLT &QueryTy = Query.Types[TypeIdx];
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return QueryTy.isVector() && isPowerOf2_32(QueryTy.getNumElements());
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};
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}
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