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| author | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 7b3392326c40c3c20697816acae597ba7b3144eb (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /lib/Analysis/BlockFrequency.cpp | |
| 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 'lib/Analysis/BlockFrequency.cpp')
| -rw-r--r-- | lib/Analysis/BlockFrequency.cpp | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/Analysis/BlockFrequency.cpp b/lib/Analysis/BlockFrequency.cpp deleted file mode 100644 index 4b86d1d..0000000 --- a/lib/Analysis/BlockFrequency.cpp +++ /dev/null @@ -1,59 +0,0 @@ -//=======-------- BlockFrequency.cpp - Block 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. -// -//===----------------------------------------------------------------------===// - -#include "llvm/InitializePasses.h" -#include "llvm/Analysis/BlockFrequencyImpl.h" -#include "llvm/Analysis/BlockFrequency.h" -#include "llvm/Analysis/LoopInfo.h" -#include "llvm/Analysis/Passes.h" -#include "llvm/Analysis/BranchProbabilityInfo.h" - -using namespace llvm; - -INITIALIZE_PASS_BEGIN(BlockFrequency, "block-freq", "Block Frequency Analysis", - true, true) -INITIALIZE_PASS_DEPENDENCY(BranchProbabilityInfo) -INITIALIZE_PASS_END(BlockFrequency, "block-freq", "Block Frequency Analysis", - true, true) - -char BlockFrequency::ID = 0; - - -BlockFrequency::BlockFrequency() : FunctionPass(ID) { - initializeBlockFrequencyPass(*PassRegistry::getPassRegistry()); - BFI = new BlockFrequencyImpl<BasicBlock, Function, BranchProbabilityInfo>(); -} - -BlockFrequency::~BlockFrequency() { - delete BFI; -} - -void BlockFrequency::getAnalysisUsage(AnalysisUsage &AU) const { - AU.addRequired<BranchProbabilityInfo>(); - AU.setPreservesAll(); -} - -bool BlockFrequency::runOnFunction(Function &F) { - BranchProbabilityInfo &BPI = getAnalysis<BranchProbabilityInfo>(); - BFI->doFunction(&F, &BPI); - return false; -} - -/// 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 floating points. -/// -uint32_t BlockFrequency::getBlockFreq(BasicBlock *BB) { - return BFI->getBlockFreq(BB); -} |
