Use correct value for float HUGH_VAL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31500 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index ec2470a04a366fa51f8ca50082e837c78bb4d7eb..8b534af74b3c38c196a1cee761acc15ba951f78b 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -219,7 +219,7 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
       // range the use follows def immediately, it doesn't make sense to spill
       // it and hope it will be easier to allocate for this li.
       if (isZeroLengthInterval(&LI))
-        LI.weight = float(HUGE_VAL);
+        LI.weight = HUGE_VALF;
       
       if (EnableReweight) {
         // Divide the weight of the interval by its size.  This encourages 
@@ -265,7 +265,7 @@ addIntervalsForSpills(const LiveInterval &li, VirtRegMap &vrm, int slot) {
 
   std::vector<LiveInterval*> added;
 
-  assert(li.weight != HUGE_VAL &&
+  assert(li.weight != HUGE_VALF &&
          "attempt to spill already spilled interval!");
 
   DEBUG(std::cerr << "\t\t\t\tadding intervals for spills for interval: ";
@@ -340,7 +340,7 @@ addIntervalsForSpills(const LiveInterval &li, VirtRegMap &vrm, int slot) {
 
             // the spill weight is now infinity as it
             // cannot be spilled again
-            nI.weight = float(HUGE_VAL);
+            nI.weight = HUGE_VALF;
 
             if (HasUse) {
               LiveRange LR(getLoadIndex(index), getUseIndex(index),
@@ -1362,6 +1362,6 @@ bool LiveIntervals::differingRegisterClasses(unsigned RegA,
 
 LiveInterval LiveIntervals::createInterval(unsigned reg) {
   float Weight = MRegisterInfo::isPhysicalRegister(reg) ?
-                       (float)HUGE_VAL : 0.0F;
+                       HUGE_VALF : 0.0F;
   return LiveInterval(reg, Weight);
 }

diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index d8d838d34fad5a304b41851e00c343f5e4b42be2..2aea512b16dbb76fc575a0a119521b3a5c98d520 100644 (file)
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -545,7 +545,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
   DEBUG(std::cerr << "\tassigning stack slot at interval "<< *cur << ":\n");
 
   // Find a register to spill.
-  float minWeight = float(HUGE_VAL);
+  float minWeight = HUGE_VALF;
   unsigned minReg = 0;
   for (TargetRegisterClass::iterator i = RC->allocation_order_begin(*mf_),
        e = RC->allocation_order_end(*mf_); i != e; ++i) {
@@ -582,7 +582,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
   // if the current has the minimum weight, we need to spill it and
   // add any added intervals back to unhandled, and restart
   // linearscan.
-  if (cur->weight != float(HUGE_VAL) && cur->weight <= minWeight) {
+  if (cur->weight != HUGE_VALF && cur->weight <= minWeight) {
     DEBUG(std::cerr << "\t\t\tspilling(c): " << *cur << '\n';);
     int slot = vrm_->assignVirt2StackSlot(cur->reg);
     std::vector<LiveInterval*> added =