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//===- SPIRVLowerConstExpr.h - Lower constant expression --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file SPIRVLowerConstExpr.h
///
/// This file declares SPIRVLowerConstExprPass that lowers constant expression.
///
//===----------------------------------------------------------------------===//
#ifndef SPIRV_LOWERCONSTEXPR_H
#define SPIRV_LOWERCONSTEXPR_H
#include "llvm/IR/PassManager.h"
namespace llvm {
class LLVMContext;
} // namespace llvm
namespace SPIRV {
class SPIRVLowerConstExprBase {
public:
SPIRVLowerConstExprBase() : M(nullptr), Ctx(nullptr) {}
bool runLowerConstExpr(llvm::Module &M);
bool visit(llvm::Module *M);
private:
llvm::Module *M;
llvm::LLVMContext *Ctx;
};
class SPIRVLowerConstExprPass
: public llvm::PassInfoMixin<SPIRVLowerConstExprPass>,
public SPIRVLowerConstExprBase {
public:
llvm::PreservedAnalyses run(llvm::Module &M,
llvm::ModuleAnalysisManager &MAM) {
return runLowerConstExpr(M) ? llvm::PreservedAnalyses::none()
: llvm::PreservedAnalyses::all();
}
static bool isRequired() { return true; }
};
} // namespace SPIRV
#endif // SPIRV_LOWERCONSTEXPR_H
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