Remove the successor probabilities normalization in tail duplication pass.

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

diff --git a/lib/CodeGen/InterferenceCache.cpp b/lib/CodeGen/InterferenceCache.cpp
index 61d065a8a22a9ba600892b828a9b2f6b476fb52e..f8cc24724580a1492ee06ef79ae0394670c79ccf 100644 (file)
--- a/lib/CodeGen/InterferenceCache.cpp
+++ b/lib/CodeGen/InterferenceCache.cpp
@@ -11,7 +11,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
 #include "InterferenceCache.h"
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -19,8 +18,11 @@
 
 using namespace llvm;
 
+#define DEBUG_TYPE "regalloc"
+
 // Static member used for null interference cursors.
-InterferenceCache::BlockInterference InterferenceCache::Cursor::NoInterference;
+const InterferenceCache::BlockInterference
+    InterferenceCache::Cursor::NoInterference;
 
 // Initializes PhysRegEntries (instead of a SmallVector, PhysRegEntries is a
 // buffer of size NumPhysRegs to speed up alloc/clear for targets with large
@@ -142,7 +144,8 @@ void InterferenceCache::Entry::update(unsigned MBBNum) {
     PrevPos = Start;
   }
 
-  MachineFunction::const_iterator MFI = MF->getBlockNumbered(MBBNum);
+  MachineFunction::const_iterator MFI =
+      MF->getBlockNumbered(MBBNum)->getIterator();
   BlockInterference *BI = &Blocks[MBBNum];
   ArrayRef<SlotIndex> RegMaskSlots;
   ArrayRef<const uint32_t*> RegMaskBits;