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Current Path: /usr/src/contrib/llvm-project/llvm/lib/Target/NVPTX

usr / src / contrib / llvm-project / llvm / lib / Target / NVPTX /

📁 ..
📁 MCTargetDesc
📄 ManagedStringPool.h(1.41 KB)
📄 NVPTX.h(3.22 KB)
📄 NVPTX.td(4.99 KB)
📄 NVPTXAllocaHoisting.cpp(2.12 KB)
📄 NVPTXAllocaHoisting.h(755 B)
📄 NVPTXAsmPrinter.cpp(71.02 KB)
📄 NVPTXAsmPrinter.h(11.23 KB)
📄 NVPTXAssignValidGlobalNames.cpp(2.74 KB)
📄 NVPTXFrameLowering.cpp(3.41 KB)
📄 NVPTXFrameLowering.h(1.34 KB)
📄 NVPTXGenericToNVVM.cpp(11.59 KB)
📄 NVPTXISelDAGToDAG.cpp(134.03 KB)
📄 NVPTXISelDAGToDAG.h(3.54 KB)
📄 NVPTXISelLowering.cpp(198.59 KB)
📄 NVPTXISelLowering.h(15.65 KB)
📄 NVPTXImageOptimizer.cpp(5.64 KB)
📄 NVPTXInstrFormats.td(1.72 KB)
📄 NVPTXInstrInfo.cpp(7.88 KB)
📄 NVPTXInstrInfo.h(2.87 KB)
📄 NVPTXInstrInfo.td(133.35 KB)
📄 NVPTXIntrinsics.td(329.76 KB)
📄 NVPTXLowerAggrCopies.cpp(4.85 KB)
📄 NVPTXLowerAggrCopies.h(744 B)
📄 NVPTXLowerAlloca.cpp(4.27 KB)
📄 NVPTXLowerArgs.cpp(9.16 KB)
📄 NVPTXMCExpr.cpp(2.04 KB)
📄 NVPTXMCExpr.h(3.92 KB)
📄 NVPTXMachineFunctionInfo.h(1.71 KB)
📄 NVPTXPeephole.cpp(4.92 KB)
📄 NVPTXPrologEpilogPass.cpp(8.91 KB)
📄 NVPTXProxyRegErasure.cpp(3.81 KB)
📄 NVPTXRegisterInfo.cpp(4.41 KB)
📄 NVPTXRegisterInfo.h(2.04 KB)
📄 NVPTXRegisterInfo.td(3.12 KB)
📄 NVPTXReplaceImageHandles.cpp(6.27 KB)
📄 NVPTXSubtarget.cpp(2.15 KB)
📄 NVPTXSubtarget.h(3.02 KB)
📄 NVPTXTargetMachine.cpp(14.25 KB)
📄 NVPTXTargetMachine.h(3.33 KB)
📄 NVPTXTargetObjectFile.h(1.53 KB)
📄 NVPTXTargetTransformInfo.cpp(6.18 KB)
📄 NVPTXTargetTransformInfo.h(4.7 KB)
📄 NVPTXUtilities.cpp(9.37 KB)
📄 NVPTXUtilities.h(2.03 KB)
📄 NVVMIntrRange.cpp(4.88 KB)
📄 NVVMReflect.cpp(6.8 KB)
📁 TargetInfo
📄 cl_common_defines.h(3.94 KB)

Editing: NVPTXAllocaHoisting.cpp

//===-- AllocaHoisting.cpp - Hoist allocas to the entry block --*- 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
//
//===----------------------------------------------------------------------===//
//
// Hoist the alloca instructions in the non-entry blocks to the entry blocks.
//
//===----------------------------------------------------------------------===//

#include "NVPTXAllocaHoisting.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
using namespace llvm;

namespace {
// Hoisting the alloca instructions in the non-entry blocks to the entry
// block.
class NVPTXAllocaHoisting : public FunctionPass {
public:
  static char ID; // Pass ID
  NVPTXAllocaHoisting() : FunctionPass(ID) {}

void getAnalysisUsage(AnalysisUsage &AU) const override {
    AU.addPreserved<StackProtector>();
  }

StringRef getPassName() const override {
    return "NVPTX specific alloca hoisting";
  }

bool runOnFunction(Function &function) override;
};
} // namespace

bool NVPTXAllocaHoisting::runOnFunction(Function &function) {
  bool functionModified = false;
  Function::iterator I = function.begin();
  Instruction *firstTerminatorInst = (I++)->getTerminator();

for (Function::iterator E = function.end(); I != E; ++I) {
    for (BasicBlock::iterator BI = I->begin(), BE = I->end(); BI != BE;) {
      AllocaInst *allocaInst = dyn_cast<AllocaInst>(BI++);
      if (allocaInst && isa<ConstantInt>(allocaInst->getArraySize())) {
        allocaInst->moveBefore(firstTerminatorInst);
        functionModified = true;
      }
    }
  }

return functionModified;
}

char NVPTXAllocaHoisting::ID = 0;

namespace llvm {
void initializeNVPTXAllocaHoistingPass(PassRegistry &);
}

INITIALIZE_PASS(
    NVPTXAllocaHoisting, "alloca-hoisting",
    "Hoisting alloca instructions in non-entry blocks to the entry block",
    false, false)

FunctionPass *llvm::createAllocaHoisting() { return new NVPTXAllocaHoisting; }

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Editing: NVPTXAllocaHoisting.cpp

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