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//===- SPIRVLowerBool.h - Bool operand lowering --------*- C++ -*-===//
//
// The LLVM/SPIR-V Translator
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
// Copyright (c) 2022 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal with the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimers.
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimers in the documentation
// and/or other materials provided with the distribution.
// Neither the names of The Khronos Group, nor the names of its
// contributors may be used to endorse or promote products derived from this
// Software without specific prior written permission.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH
// THE SOFTWARE.
//
//===----------------------------------------------------------------------===//
//
// This file implements lowering instructions with bool operands.
//
//===----------------------------------------------------------------------===//
#ifndef SPIRV_SPIRVLOWERBOOL_H
#define SPIRV_SPIRVLOWERBOOL_H
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
namespace SPIRV {
class SPIRVLowerBoolBase : public llvm::InstVisitor<SPIRVLowerBoolBase> {
public:
SPIRVLowerBoolBase() : Context(nullptr) {}
virtual ~SPIRVLowerBoolBase() {}
void replace(llvm::Instruction *I, llvm::Instruction *NewI);
bool isBoolType(llvm::Type *Ty);
virtual void visitTruncInst(llvm::TruncInst &I);
void handleExtInstructions(llvm::Instruction &I);
void handleCastInstructions(llvm::Instruction &I);
virtual void visitZExtInst(llvm::ZExtInst &I);
virtual void visitSExtInst(llvm::SExtInst &I);
virtual void visitUIToFPInst(llvm::UIToFPInst &I);
virtual void visitSIToFPInst(llvm::SIToFPInst &I);
bool runLowerBool(llvm::Module &M);
private:
llvm::LLVMContext *Context;
};
class SPIRVLowerBoolPass : public llvm::PassInfoMixin<SPIRVLowerBoolPass>,
public SPIRVLowerBoolBase {
public:
llvm::PreservedAnalyses run(llvm::Module &M,
llvm::ModuleAnalysisManager &MAM);
static bool isRequired() { return true; }
};
class SPIRVLowerBoolLegacy : public llvm::ModulePass,
public SPIRVLowerBoolBase {
public:
SPIRVLowerBoolLegacy();
bool runOnModule(llvm::Module &M) override;
static char ID;
};
} // namespace SPIRV
#endif // SPIRV_SPIRVLOWERBOOL_H
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