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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
//===-- AllocaHoisting.h - Hosist allocas to the entry block ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Hoist the alloca instructions in the non-entry blocks to the entry blocks.
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//
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//===----------------------------------------------------------------------===//
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#ifndef NVPTX_ALLOCA_HOISTING_H_
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#define NVPTX_ALLOCA_HOISTING_H_
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#include "llvm/CodeGen/MachineFunctionAnalysis.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Pass.h"
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namespace llvm {
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class FunctionPass;
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class Function;
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// Hoisting the alloca instructions in the non-entry blocks to the entry
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// block.
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class NVPTXAllocaHoisting : public FunctionPass {
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public:
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static char ID; // Pass ID
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NVPTXAllocaHoisting() : FunctionPass(ID) {}
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.addRequired<DataLayout>();
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AU.addPreserved<MachineFunctionAnalysis>();
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}
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virtual const char *getPassName() const {
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return "NVPTX specific alloca hoisting";
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}
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virtual bool runOnFunction(Function &function);
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};
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extern FunctionPass *createAllocaHoisting();
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} // end namespace llvm
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#endif // NVPTX_ALLOCA_HOISTING_H_
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