Files
clang-r547379/include/llvm/CodeGen/HardwareLoops.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

77 lines
2.0 KiB
C++

//===- HardwareLoops.h ------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// Defines an IR pass for the creation of hardware loops.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_HARDWARELOOPS_H
#define LLVM_CODEGEN_HARDWARELOOPS_H
#include "llvm/IR/PassManager.h"
namespace llvm {
struct HardwareLoopOptions {
std::optional<unsigned> Decrement;
std::optional<unsigned> Bitwidth;
std::optional<bool> Force;
std::optional<bool> ForcePhi;
std::optional<bool> ForceNested;
std::optional<bool> ForceGuard;
HardwareLoopOptions &setDecrement(unsigned Count) {
Decrement = Count;
return *this;
}
HardwareLoopOptions &setCounterBitwidth(unsigned Width) {
Bitwidth = Width;
return *this;
}
HardwareLoopOptions &setForce(bool Force) {
this->Force = Force;
return *this;
}
HardwareLoopOptions &setForcePhi(bool Force) {
ForcePhi = Force;
return *this;
}
HardwareLoopOptions &setForceNested(bool Force) {
ForceNested = Force;
return *this;
}
HardwareLoopOptions &setForceGuard(bool Force) {
ForceGuard = Force;
return *this;
}
bool getForcePhi() const {
return ForcePhi.has_value() && ForcePhi.value();
}
bool getForceNested() const {
return ForceNested.has_value() && ForceNested.value();
}
bool getForceGuard() const {
return ForceGuard.has_value() && ForceGuard.value();
}
};
class HardwareLoopsPass : public PassInfoMixin<HardwareLoopsPass> {
HardwareLoopOptions Opts;
public:
explicit HardwareLoopsPass(HardwareLoopOptions Opts = {})
: Opts(Opts) { }
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
};
} // end namespace llvm
#endif // LLVM_CODEGEN_HARDWARELOOPS_H