This is to fix the bug in IntrinsicLowering.cpp,

[oota-llvm.git] / lib / CodeGen / BranchFolding.cpp

diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index c97f176d74b1c5bac6e5b82b83ad33d39728e2b7..fe8ce522f065dbbea940e354ad1da652a8c57240 100644 (file)
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -42,18 +42,18 @@ static cl::opt<cl::boolOrDefault> FlagEnableTailMerge("enable-tail-merge",
 static cl::opt<unsigned>
 TailMergeThreshold("tail-merge-threshold", 
           cl::desc("Max number of predecessors to consider tail merging"),
-          cl::init(100), cl::Hidden);
+          cl::init(150), cl::Hidden);
 
 namespace {
   struct VISIBILITY_HIDDEN BranchFolder : public MachineFunctionPass {
     static char ID;
     explicit BranchFolder(bool defaultEnableTailMerge) : 
-        MachineFunctionPass((intptr_t)&ID) {
-          switch (FlagEnableTailMerge) {
-          case cl::BOU_UNSET: EnableTailMerge = defaultEnableTailMerge; break;
-          case cl::BOU_TRUE: EnableTailMerge = true; break;
-          case cl::BOU_FALSE: EnableTailMerge = false; break;
-          }
+      MachineFunctionPass(&ID) {
+      switch (FlagEnableTailMerge) {
+        case cl::BOU_UNSET: EnableTailMerge = defaultEnableTailMerge; break;
+        case cl::BOU_TRUE: EnableTailMerge = true; break;
+        case cl::BOU_FALSE: EnableTailMerge = false; break;
+      }
     }
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
@@ -198,7 +198,7 @@ bool BranchFolder::runOnMachineFunction(MachineFunction &MF) {
 
   RS = RegInfo->requiresRegisterScavenging(MF) ? new RegScavenger() : NULL;
 
-  MMI = getAnalysisToUpdate<MachineModuleInfo>();
+  MMI = getAnalysisIfAvailable<MachineModuleInfo>();
 
   bool MadeChangeThisIteration = true;
   while (MadeChangeThisIteration) {
@@ -235,7 +235,7 @@ bool BranchFolder::runOnMachineFunction(MachineFunction &MF) {
            I != E; ++I)
         for (unsigned op = 0, e = I->getNumOperands(); op != e; ++op) {
           MachineOperand &Op = I->getOperand(op);
-          if (!Op.isJumpTableIndex()) continue;
+          if (!Op.isJTI()) continue;
           unsigned NewIdx = JTMapping[Op.getIndex()];
           Op.setIndex(NewIdx);
 
@@ -364,7 +364,7 @@ void BranchFolder::ReplaceTailWithBranchTo(MachineBasicBlock::iterator OldInst,
 
   // If OldBB isn't immediately before OldBB, insert a branch to it.
   if (++MachineFunction::iterator(OldBB) != MachineFunction::iterator(NewDest))
-    TII->InsertBranch(*OldBB, NewDest, 0, SmallVector<MachineOperand, 1>());
+    TII->InsertBranch(*OldBB, NewDest, 0, SmallVector<MachineOperand, 0>());
   OldBB->addSuccessor(NewDest);
   ++NumTailMerge;
 }
@@ -414,7 +414,7 @@ static unsigned EstimateRuntime(MachineBasicBlock::iterator I,
     const TargetInstrDesc &TID = I->getDesc();
     if (TID.isCall())
       Time += 10;
-    else if (TID.isSimpleLoad() || TID.mayStore())
+    else if (TID.mayLoad() || TID.mayStore())
       Time += 2;
     else
       ++Time;
@@ -444,7 +444,7 @@ static void FixTail(MachineBasicBlock* CurMBB, MachineBasicBlock *SuccBB,
       }
     }
   }
-  TII->InsertBranch(*CurMBB, SuccBB, NULL, SmallVector<MachineOperand, 1>());
+  TII->InsertBranch(*CurMBB, SuccBB, NULL, SmallVector<MachineOperand, 0>());
 }
 
 static bool MergeCompare(const std::pair<unsigned,MachineBasicBlock*> &p,
@@ -463,7 +463,7 @@ static bool MergeCompare(const std::pair<unsigned,MachineBasicBlock*> &p,
 #ifndef _GLIBCXX_DEBUG
       assert(0 && "Predecessor appears twice");
 #endif
-      return(false);
+      return false;
     }
 }
 
@@ -596,7 +596,7 @@ bool BranchFolder::TryMergeBlocks(MachineBasicBlock *SuccBB,
   unsigned minCommonTailLength = (SuccBB ? 1 : 2) + 1;
   MadeChange = false;
   
-  DOUT << "\nTryMergeBlocks " << MergePotentials.size();
+  DOUT << "\nTryMergeBlocks " << MergePotentials.size() << '\n';
 
   // Sort by hash value so that blocks with identical end sequences sort
   // together.