llvm/llvm/lib/Target/NVPTX/NVVMIntrRange.cpp

//===- NVVMIntrRange.cpp - Set range attributes for NVVM intrinsics -------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This pass adds appropriate range attributes for calls to NVVM
// intrinsics that return a limited range of values.
//
//===----------------------------------------------------------------------===//

#include "NVPTX.h"
#include "NVPTXUtilities.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include <cstdint>

usingnamespacellvm;

#define DEBUG_TYPE …

namespace llvm { void initializeNVVMIntrRangePass(PassRegistry &); }

namespace {
class NVVMIntrRange : public FunctionPass { … };
} // namespace

FunctionPass *llvm::createNVVMIntrRangePass() { … }

char NVVMIntrRange::ID = …;
INITIALIZE_PASS(…)

// Adds the passed-in [Low,High) range information as metadata to the
// passed-in call instruction.
static bool addRangeAttr(uint64_t Low, uint64_t High, IntrinsicInst *II) { … }

static bool runNVVMIntrRange(Function &F) { … }

bool NVVMIntrRange::runOnFunction(Function &F) { … }

PreservedAnalyses NVVMIntrRangePass::run(Function &F,
                                         FunctionAnalysisManager &AM) { … }