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Revert "blockfreq: Rewrite BlockFrequencyInfoImpl"

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This reverts commit r206704, as expected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206707 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-04-19 22:46:00 +00:00
parent c404a5334e
commit f44eda4764
12 changed files with 358 additions and 2972 deletions
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12
lib/CodeGen/MachineBlockFrequencyInfo.cpp
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@ -11,12 +11,9 @@
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "block-freq"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/Analysis/BlockFrequencyInfoImpl.h"
#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/CommandLine.h"
@ -115,7 +112,6 @@ struct DOTGraphTraits<MachineBlockFrequencyInfo*> :
INITIALIZE_PASS_BEGIN(MachineBlockFrequencyInfo, "machine-block-freq",
"Machine Block Frequency Analysis", true, true)
INITIALIZE_PASS_DEPENDENCY(MachineBranchProbabilityInfo)
INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo)
INITIALIZE_PASS_END(MachineBlockFrequencyInfo, "machine-block-freq",
"Machine Block Frequency Analysis", true, true)
@ -131,18 +127,16 @@ MachineBlockFrequencyInfo::~MachineBlockFrequencyInfo() {}
void MachineBlockFrequencyInfo::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<MachineBranchProbabilityInfo>();
AU.addRequired<MachineLoopInfo>();
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
}
bool MachineBlockFrequencyInfo::runOnMachineFunction(MachineFunction &F) {
MachineBranchProbabilityInfo &MBPI =
getAnalysis<MachineBranchProbabilityInfo>();
MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
getAnalysis<MachineBranchProbabilityInfo>();
if (!MBFI)
MBFI.reset(new ImplType);
MBFI->doFunction(&F, &MBPI, &MLI);
MBFI->doFunction(&F, &MBPI);
#ifndef NDEBUG
if (ViewMachineBlockFreqPropagationDAG != GVDT_None) {
view();
@ -172,7 +166,7 @@ getBlockFreq(const MachineBasicBlock *MBB) const {
}
const MachineFunction *MachineBlockFrequencyInfo::getFunction() const {
return MBFI ? MBFI->getFunction() : nullptr;
return MBFI ? MBFI->Fn : nullptr;
}
raw_ostream &