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author | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
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committer | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
commit | 7b3392326c40c3c20697816acae597ba7b3144eb (patch) | |
tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /include/llvm/CodeGen/MachineBlockFrequency.h | |
parent | 1176aa52646fe641a4243a246aa7f960c708a274 (diff) | |
download | FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.zip FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.tar.gz |
Vendor import of llvm release_30 branch r142614:
http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614
Diffstat (limited to 'include/llvm/CodeGen/MachineBlockFrequency.h')
-rw-r--r-- | include/llvm/CodeGen/MachineBlockFrequency.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/llvm/CodeGen/MachineBlockFrequency.h b/include/llvm/CodeGen/MachineBlockFrequency.h deleted file mode 100644 index 25bf1f0..0000000 --- a/include/llvm/CodeGen/MachineBlockFrequency.h +++ /dev/null @@ -1,53 +0,0 @@ -//====----- MachineBlockFrequency.h - MachineBlock Frequency Analysis ----====// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// Loops should be simplified before this analysis. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CODEGEN_MACHINEBLOCKFREQUENCY_H -#define LLVM_CODEGEN_MACHINEBLOCKFREQUENCY_H - -#include "llvm/CodeGen/MachineFunctionPass.h" -#include <climits> - -namespace llvm { - -class MachineBranchProbabilityInfo; -template<class BlockT, class FunctionT, class BranchProbInfoT> -class BlockFrequencyImpl; - -/// MachineBlockFrequency pass uses BlockFrequencyImpl implementation to estimate -/// machine basic block frequencies. -class MachineBlockFrequency : public MachineFunctionPass { - - BlockFrequencyImpl<MachineBasicBlock, MachineFunction, MachineBranchProbabilityInfo> *MBFI; - -public: - static char ID; - - MachineBlockFrequency(); - - ~MachineBlockFrequency(); - - void getAnalysisUsage(AnalysisUsage &AU) const; - - bool runOnMachineFunction(MachineFunction &F); - - /// getblockFreq - Return block frequency. Never return 0, value must be - /// positive. Please note that initial frequency is equal to 1024. It means - /// that we should not rely on the value itself, but only on the comparison to - /// the other block frequencies. We do this to avoid using of the floating - /// points. - uint32_t getBlockFreq(MachineBasicBlock *MBB); -}; - -} - -#endif |