Lower FNEG ( FABS (x) ) -> FNABS (x) [X86 codegen] PR20578

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

diff --git a/lib/CodeGen/LiveIntervalUnion.cpp b/lib/CodeGen/LiveIntervalUnion.cpp
index 679c1807aac2d4b7895bc1358c07f6341ccf692f..d81221b6a526cb4d62d992be53b75e9e6c1cff31 100644 (file)
--- a/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/lib/CodeGen/LiveIntervalUnion.cpp
@@ -13,17 +13,17 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
-#include "LiveIntervalUnion.h"
+#include "llvm/CodeGen/LiveIntervalUnion.h"
 #include "llvm/ADT/SparseBitVector.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-
 #include <algorithm>
 
 using namespace llvm;
 
+#define DEBUG_TYPE "regalloc"
+
 
 // Merge a LiveInterval's segments. Guarantee no overlaps.
 void LiveIntervalUnion::unify(LiveInterval &VirtReg) {
@@ -139,7 +139,7 @@ collectInterferingVRegs(unsigned MaxInterferingRegs) {
   }
 
   LiveInterval::iterator VirtRegEnd = VirtReg->end();
-  LiveInterval *RecentReg = 0;
+  LiveInterval *RecentReg = nullptr;
   while (LiveUnionI.valid()) {
     assert(VirtRegI != VirtRegEnd && "Reached end of VirtReg");
 
@@ -201,5 +201,5 @@ void LiveIntervalUnion::Array::clear() {
     LIUs[i].~LiveIntervalUnion();
   free(LIUs);
   Size =  0;
-  LIUs = 0;
+  LIUs = nullptr;
 }