2012-05-05 04:18:50 +08:00
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//===-- 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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2014-08-14 00:26:38 +08:00
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#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H
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#define LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H
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2012-05-05 04:18:50 +08:00
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#include "llvm/CodeGen/MachineFunctionAnalysis.h"
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2013-01-02 19:36:10 +08:00
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#include "llvm/IR/DataLayout.h"
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2012-12-04 15:12:27 +08:00
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#include "llvm/Pass.h"
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2012-05-05 04:18:50 +08:00
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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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2014-04-29 15:57:44 +08:00
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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2014-02-26 01:30:31 +08:00
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AU.addRequired<DataLayoutPass>();
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2013-12-19 11:17:11 +08:00
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AU.addPreserved("stack-protector");
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2012-05-05 04:18:50 +08:00
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AU.addPreserved<MachineFunctionAnalysis>();
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}
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2014-04-29 15:57:44 +08:00
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const char *getPassName() const override {
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2012-05-05 04:18:50 +08:00
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return "NVPTX specific alloca hoisting";
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}
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2014-04-29 15:57:44 +08:00
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bool runOnFunction(Function &function) override;
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2012-05-05 04:18:50 +08:00
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};
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extern FunctionPass *createAllocaHoisting();
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} // end namespace llvm
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2014-08-14 00:26:38 +08:00
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#endif
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