Files
clang-r547379/include/llvm/CodeGen/RegAllocFast.h
Ryan Prichard 6024e5c395 Update prebuilt Clang to r547379 (20.0.0).
clang 20.0.0 (based on r547379) from build 12806354.

Bug: http://b/379133546
Test: N/A
Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b

Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
2025-11-26 14:59:46 -05:00

58 lines
1.7 KiB
C++

//==- RegAllocFast.h ----------- fast register allocator ----------*-C++-*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_REGALLOCFAST_H
#define LLVM_CODEGEN_REGALLOCFAST_H
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/CodeGen/RegAllocCommon.h"
namespace llvm {
struct RegAllocFastPassOptions {
RegAllocFilterFunc Filter = nullptr;
StringRef FilterName = "all";
bool ClearVRegs = true;
};
class RegAllocFastPass : public PassInfoMixin<RegAllocFastPass> {
RegAllocFastPassOptions Opts;
public:
RegAllocFastPass(RegAllocFastPassOptions Opts = RegAllocFastPassOptions())
: Opts(Opts) {}
MachineFunctionProperties getRequiredProperties() {
return MachineFunctionProperties().set(
MachineFunctionProperties::Property::NoPHIs);
}
MachineFunctionProperties getSetProperties() {
if (Opts.ClearVRegs) {
return MachineFunctionProperties().set(
MachineFunctionProperties::Property::NoVRegs);
}
return MachineFunctionProperties();
}
MachineFunctionProperties getClearedProperties() {
return MachineFunctionProperties().set(
MachineFunctionProperties::Property::IsSSA);
}
PreservedAnalyses run(MachineFunction &MF, MachineFunctionAnalysisManager &);
void printPipeline(raw_ostream &OS,
function_ref<StringRef(StringRef)> MapClassName2PassName);
};
} // namespace llvm
#endif // LLVM_CODEGEN_REGALLOCFAST_H