Replacing HUGE_VALF with llvm::huge_valf in order to work around a warning triggered in MSVC 12.

Patch reviewed by Reid Kleckner and Jim Grosbach.

llvm-svn: 194533

3 files changed, 6 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 7a3b3051162..e1c3217a775 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -170,7 +170,8 @@ void LiveIntervals::dumpInstrs() const {
 #endif
 
 LiveInterval* LiveIntervals::createInterval(unsigned reg) {
-  float Weight = TargetRegisterInfo::isPhysicalRegister(reg) ? HUGE_VALF : 0.0F;
+  float Weight = TargetRegisterInfo::isPhysicalRegister(reg) ?
+                  llvm::huge_valf : 0.0F;
   return new LiveInterval(reg, Weight);
 }
 
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index 95b30a4823b..c08d9555406 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -1477,7 +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;
       }
@@ -1583,7 +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.
@@ -1618,7 +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.
diff --git a/llvm/lib/CodeGen/Spiller.cpp b/llvm/lib/CodeGen/Spiller.cpp
index d72c596a842..d5b3a4a9400 100644
--- a/llvm/lib/CodeGen/Spiller.cpp
+++ b/llvm/lib/CodeGen/Spiller.cpp
@@ -77,7 +77,7 @@ protected:
 
     DEBUG(dbgs() << "Spilling everywhere " << *li << "\n");
 
-    assert(li->weight != HUGE_VALF &&
+    assert(li->weight != llvm::huge_valf &&
            "Attempting to spill already spilled value.");
 
     assert(!TargetRegisterInfo::isStackSlot(li->reg) &&