1//==- RegAllocGreedyPass.h --- greedy register allocator pass ------*-C++-*-==//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8#ifndef LLVM_CODEGEN_REGALLOC_GREEDY_PASS_H
9#define LLVM_CODEGEN_REGALLOC_GREEDY_PASS_H
10
11#include "llvm/CodeGen/MachineFunctionPass.h"
12#include "llvm/CodeGen/RegAllocCommon.h"
13#include "llvm/CodeGen/RegAllocFast.h"
14#include "llvm/IR/PassManager.h"
15
16using namespace llvm;
17
18class RAGreedyPass : public PassInfoMixin<RAGreedyPass> {
19public:
20 struct Options {
21 RegAllocFilterFunc Filter;
22 StringRef FilterName;
23 Options(RegAllocFilterFunc F = nullptr, StringRef FN = "all")
24 : Filter(std::move(F)), FilterName(FN) {};
25 };
26
27 RAGreedyPass(Options Opts = Options()) : Opts(std::move(Opts)) {}
28 PreservedAnalyses run(MachineFunction &F, MachineFunctionAnalysisManager &AM);
29
30 MachineFunctionProperties getRequiredProperties() const {
31 return MachineFunctionProperties().setNoPHIs();
32 }
33
34 MachineFunctionProperties getClearedProperties() const {
35 return MachineFunctionProperties().setIsSSA();
36 }
37
38 void
39 printPipeline(raw_ostream &OS,
40 function_ref<StringRef(StringRef)> MapClassName2PassName) const;
41 static bool isRequired() { return true; }
42
43private:
44 Options Opts;
45};
46
47#endif // LLVM_CODEGEN_REGALLOC_GREEDY_PASS_H
48