From c1b4dfd345da716c1ade0f086756d9ae505d0344 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Sat, 14 Dec 2013 00:25:45 +0000
Subject: [block-freq] Update MachineBlockPlacement and RegAllocGreedy to use
 the new MachineBlockFrequencyInfo methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197290 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/MachineBlockPlacement.cpp | 11 ++++++-----
 lib/CodeGen/RegAllocGreedy.cpp        | 11 +++++++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp
index 177e4409df..f297c5f678 100644
--- a/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/lib/CodeGen/MachineBlockPlacement.cpp
@@ -461,8 +461,8 @@ MachineBasicBlock *MachineBlockPlacement::selectBestCandidateBlock(
     assert(SuccChain.LoopPredecessors == 0 && "Found CFG-violating block");
 
     BlockFrequency CandidateFreq = MBFI->getBlockFreq(*WBI);
-    DEBUG(dbgs() << "    " << getBlockName(*WBI) << " -> " << CandidateFreq
-                 << " (freq)\n");
+    DEBUG(dbgs() << "    " << getBlockName(*WBI) << " -> ";
+                 MBFI->printBlockFreq(dbgs(), CandidateFreq) << " (freq)\n");
     if (BestBlock && BestFreq >= CandidateFreq)
       continue;
     BestBlock = *WBI;
@@ -583,8 +583,8 @@ MachineBlockPlacement::findBestLoopTop(MachineLoop &L,
     if (!LoopBlockSet.count(Pred))
       continue;
     DEBUG(dbgs() << "    header pred: " << getBlockName(Pred) << ", "
-                 << Pred->succ_size() << " successors, "
-                 << MBFI->getBlockFreq(Pred) << " freq\n");
+                 << Pred->succ_size() << " successors, ";
+                 MBFI->printBlockFreq(dbgs(), Pred) << " freq\n");
     if (Pred->succ_size() > 1)
       continue;
 
@@ -698,7 +698,8 @@ MachineBlockPlacement::findBestLoopExit(MachineFunction &F,
       BlockFrequency ExitEdgeFreq = MBFI->getBlockFreq(*I) * SuccProb;
       DEBUG(dbgs() << "    exiting: " << getBlockName(*I) << " -> "
                    << getBlockName(*SI) << " [L:" << SuccLoopDepth
-                   << "] (" << ExitEdgeFreq << ")\n");
+                   << "] (";
+                   MBFI->printBlockFreq(dbgs(), ExitEdgeFreq) << ")\n");
       // Note that we bias this toward an existing layout successor to retain
       // incoming order in the absence of better information. The exit must have
       // a frequency higher than the current exit before we consider breaking
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 7d97993106..4590145a1c 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -1203,7 +1203,8 @@ unsigned RAGreedy::tryRegionSplit(LiveInterval &VirtReg, AllocationOrder &Order,
     // No benefit from the compact region, our fallback will be per-block
     // splitting. Make sure we find a solution that is cheaper than spilling.
     BestCost = calcSpillCost();
-    DEBUG(dbgs() << "Cost of isolating all blocks = " << BestCost << '\n');
+    DEBUG(dbgs() << "Cost of isolating all blocks = ";
+                 MBFI->printBlockFreq(dbgs(), BestCost) << '\n');
   }
 
   Order.rewind();
@@ -1237,7 +1238,8 @@ unsigned RAGreedy::tryRegionSplit(LiveInterval &VirtReg, AllocationOrder &Order,
       DEBUG(dbgs() << PrintReg(PhysReg, TRI) << "\tno positive bundles\n");
       continue;
     }
-    DEBUG(dbgs() << PrintReg(PhysReg, TRI) << "\tstatic = " << Cost);
+    DEBUG(dbgs() << PrintReg(PhysReg, TRI) << "\tstatic = ";
+                 MBFI->printBlockFreq(dbgs(), Cost));
     if (Cost >= BestCost) {
       DEBUG({
         if (BestCand == NoCand)
@@ -1260,7 +1262,8 @@ unsigned RAGreedy::tryRegionSplit(LiveInterval &VirtReg, AllocationOrder &Order,
 
     Cost += calcGlobalSplitCost(Cand);
     DEBUG({
-      dbgs() << ", total = " << Cost << " with bundles";
+      dbgs() << ", total = "; MBFI->printBlockFreq(dbgs(), Cost)
+                                << " with bundles";
       for (int i = Cand.LiveBundles.find_first(); i>=0;
            i = Cand.LiveBundles.find_next(i))
         dbgs() << " EB#" << i;
@@ -1588,7 +1591,7 @@ unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order,
 
   const float blockFreq =
     SpillPlacer->getBlockFrequency(BI.MBB->getNumber()).getFrequency() *
-    (1.0f / BlockFrequency::getEntryFrequency());
+    (1.0f / MBFI->getEntryFrequency());
   SmallVector<float, 8> GapWeight;
 
   Order.rewind();
-- 
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