From e63327e9676aad50dfcb1a82930ac5595f139f29 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Sat, 19 Apr 2014 22:46:00 +0000
Subject: Revert "blockfreq: Rewrite BlockFrequencyInfoImpl"

This reverts commit r206704, as expected.

llvm-svn: 206707
---
 llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

(limited to 'llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp')

diff --git a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
index d3ac0c0437d..70efa307d57 100644
--- a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
+++ b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
@@ -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 &
-- 
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