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-rw-r--r--lib/CodeGen/MachineBlockFrequency.cpp59
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/CodeGen/MachineBlockFrequency.cpp b/lib/CodeGen/MachineBlockFrequency.cpp
deleted file mode 100644
index 893a320..0000000
--- a/lib/CodeGen/MachineBlockFrequency.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-//====----- MachineBlockFrequency.cpp - Machine 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/CodeGen/MachineBlockFrequency.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
-
-using namespace llvm;
-
-INITIALIZE_PASS_BEGIN(MachineBlockFrequency, "machine-block-freq",
- "Machine Block Frequency Analysis", true, true)
-INITIALIZE_PASS_DEPENDENCY(MachineBranchProbabilityInfo)
-INITIALIZE_PASS_END(MachineBlockFrequency, "machine-block-freq",
- "Machine Block Frequency Analysis", true, true)
-
-char MachineBlockFrequency::ID = 0;
-
-
-MachineBlockFrequency::MachineBlockFrequency() : MachineFunctionPass(ID) {
- initializeMachineBlockFrequencyPass(*PassRegistry::getPassRegistry());
- MBFI = new BlockFrequencyImpl<MachineBasicBlock, MachineFunction,
- MachineBranchProbabilityInfo>();
-}
-
-MachineBlockFrequency::~MachineBlockFrequency() {
- delete MBFI;
-}
-
-void MachineBlockFrequency::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<MachineBranchProbabilityInfo>();
- AU.setPreservesAll();
-}
-
-bool MachineBlockFrequency::runOnMachineFunction(MachineFunction &F) {
- MachineBranchProbabilityInfo &MBPI = getAnalysis<MachineBranchProbabilityInfo>();
- MBFI->doFunction(&F, &MBPI);
- 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 MachineBlockFrequency::getBlockFreq(MachineBasicBlock *MBB) {
- return MBFI->getBlockFreq(MBB);
-}
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