58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
//===- Legality.cpp -------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Transforms/Vectorize/SandboxVectorizer/Legality.h"
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#include "llvm/SandboxIR/Instruction.h"
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#include "llvm/SandboxIR/Utils.h"
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#include "llvm/SandboxIR/Value.h"
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#include "llvm/Support/Debug.h"
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namespace llvm::sandboxir {
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#define DEBUG_TYPE "SBVec:Legality"
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#ifndef NDEBUG
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void LegalityResult::dump() const {
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print(dbgs());
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dbgs() << "\n";
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}
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#endif // NDEBUG
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std::optional<ResultReason>
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LegalityAnalysis::notVectorizableBasedOnOpcodesAndTypes(
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ArrayRef<Value *> Bndl) {
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// TODO: Unimplemented.
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return std::nullopt;
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}
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#ifndef NDEBUG
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static void dumpBndl(ArrayRef<Value *> Bndl) {
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for (auto *V : Bndl)
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dbgs() << *V << "\n";
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}
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#endif // NDEBUG
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const LegalityResult &LegalityAnalysis::canVectorize(ArrayRef<Value *> Bndl) {
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// If Bndl contains values other than instructions, we need to Pack.
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if (any_of(Bndl, [](auto *V) { return !isa<Instruction>(V); })) {
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LLVM_DEBUG(dbgs() << "Not vectorizing: Not Instructions:\n";
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dumpBndl(Bndl););
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return createLegalityResult<Pack>(ResultReason::NotInstructions);
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}
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if (auto ReasonOpt = notVectorizableBasedOnOpcodesAndTypes(Bndl))
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return createLegalityResult<Pack>(*ReasonOpt);
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// TODO: Check for existing vectors containing values in Bndl.
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// TODO: Check with scheduler.
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return createLegalityResult<Widen>();
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}
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} // namespace llvm::sandboxir
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