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| author | dim <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
| commit | 6de2c08bc400b4aca9fb46684e8bdb56eed9b09f (patch) | |
| tree | 32b4679ab4b8f28e5228daafc65e9dc436935353 /include/llvm/CodeGen/MachinePostDominators.h | |
| parent | 4dc93743c9d40c29c0a3bec2aae328cac0d289e8 (diff) | |
| download | FreeBSD-src-6de2c08bc400b4aca9fb46684e8bdb56eed9b09f.zip FreeBSD-src-6de2c08bc400b4aca9fb46684e8bdb56eed9b09f.tar.gz | |
Vendor import of llvm release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/llvm/branches/release_32@168974
Diffstat (limited to 'include/llvm/CodeGen/MachinePostDominators.h')
| -rw-r--r-- | include/llvm/CodeGen/MachinePostDominators.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachinePostDominators.h b/include/llvm/CodeGen/MachinePostDominators.h new file mode 100644 index 0000000..a9fc843 --- /dev/null +++ b/include/llvm/CodeGen/MachinePostDominators.h @@ -0,0 +1,87 @@ +//=- llvm/CodeGen/MachineDominators.h ----------------------------*- C++ -*-==// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file exposes interfaces to post dominance information for +// target-specific code. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_MACHINEPOSTDOMINATORS_H +#define LLVM_CODEGEN_MACHINEPOSTDOMINATORS_H + +#include "llvm/CodeGen/MachineFunctionPass.h" +#include "llvm/CodeGen/MachineDominators.h" +#include "llvm/Analysis/Dominators.h" +#include "llvm/Analysis/DominatorInternals.h" + +namespace llvm { + +/// +/// PostDominatorTree Class - Concrete subclass of DominatorTree that is used +/// to compute the a post-dominator tree. +/// +struct MachinePostDominatorTree : public MachineFunctionPass { +private: + DominatorTreeBase<MachineBasicBlock> *DT; + +public: + static char ID; + + MachinePostDominatorTree(); + + ~MachinePostDominatorTree(); + + FunctionPass *createMachinePostDominatorTreePass(); + + const std::vector<MachineBasicBlock *> &getRoots() const { + return DT->getRoots(); + } + + MachineDomTreeNode *getRootNode() const { + return DT->getRootNode(); + } + + MachineDomTreeNode *operator[](MachineBasicBlock *BB) const { + return DT->getNode(BB); + } + + MachineDomTreeNode *getNode(MachineBasicBlock *BB) const { + return DT->getNode(BB); + } + + bool dominates(MachineDomTreeNode *A, MachineDomTreeNode *B) const { + return DT->dominates(A, B); + } + + bool dominates(MachineBasicBlock *A, MachineBasicBlock *B) const { + return DT->dominates(A, B); + } + + bool + properlyDominates(const MachineDomTreeNode *A, MachineDomTreeNode *B) const { + return DT->properlyDominates(A, B); + } + + bool + properlyDominates(MachineBasicBlock *A, MachineBasicBlock *B) const { + return DT->properlyDominates(A, B); + } + + MachineBasicBlock *findNearestCommonDominator(MachineBasicBlock *A, + MachineBasicBlock *B) { + return DT->findNearestCommonDominator(A, B); + } + + virtual bool runOnMachineFunction(MachineFunction &MF); + virtual void getAnalysisUsage(AnalysisUsage &AU) const; + virtual void print(llvm::raw_ostream &OS, const Module *M = 0) const; +}; +} //end of namespace llvm + +#endif |
