DwarfDebug: Remove some more redundant explicit constructions.

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

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 9ba2e291a13e079d8ec9cb134c588c00f3c47091..c08d955540602dd5c723d26db07fdf247d5f5fe1 100644 (file)
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -315,7 +315,6 @@ RAGreedy::RAGreedy(): MachineFunctionPass(ID) {
   initializeSlotIndexesPass(*PassRegistry::getPassRegistry());
   initializeRegisterCoalescerPass(*PassRegistry::getPassRegistry());
   initializeMachineSchedulerPass(*PassRegistry::getPassRegistry());
-  initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry());
   initializeLiveStacksPass(*PassRegistry::getPassRegistry());
   initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
   initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry());
@@ -339,7 +338,6 @@ void RAGreedy::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<LiveDebugVariables>();
   AU.addRequired<LiveStacks>();
   AU.addPreserved<LiveStacks>();
-  AU.addRequired<CalculateSpillWeights>();
   AU.addRequired<MachineDominatorTree>();
   AU.addPreserved<MachineDominatorTree>();
   AU.addRequired<MachineLoopInfo>();
@@ -1479,7 +1477,7 @@ void RAGreedy::calcGapWeights(unsigned PhysReg,
         break;
 
       for (; Gap != NumGaps; ++Gap) {
-        GapWeight[Gap] = HUGE_VALF;
+        GapWeight[Gap] = llvm::huge_valf;
         if (Uses[Gap+1].getBaseIndex() >= I->end)
           break;
       }
@@ -1585,7 +1583,7 @@ unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order,
     // Remove any gaps with regmask clobbers.
     if (Matrix->checkRegMaskInterference(VirtReg, PhysReg))
       for (unsigned i = 0, e = RegMaskGaps.size(); i != e; ++i)
-        GapWeight[RegMaskGaps[i]] = HUGE_VALF;
+        GapWeight[RegMaskGaps[i]] = llvm::huge_valf;
 
     // Try to find the best sequence of gaps to close.
     // The new spill weight must be larger than any gap interference.
@@ -1620,7 +1618,7 @@ unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order,
       // Legally, without causing looping?
       bool Legal = !ProgressRequired || NewGaps < NumGaps;
 
-      if (Legal && MaxGap < HUGE_VALF) {
+      if (Legal && MaxGap < llvm::huge_valf) {
         // Estimate the new spill weight. Each instruction reads or writes the
         // register. Conservatively assume there are no read-modify-write
         // instructions.
@@ -1840,6 +1838,8 @@ bool RAGreedy::runOnMachineFunction(MachineFunction &mf) {
   SpillPlacer = &getAnalysis<SpillPlacement>();
   DebugVars = &getAnalysis<LiveDebugVariables>();
 
+  calculateSpillWeightsAndHints(*LIS, mf, *Loops, *MBFI);
+
   DEBUG(LIS->dump());
 
   SA.reset(new SplitAnalysis(*VRM, *LIS, *Loops));