1 files changed, 14 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/InterferenceCache.cpp b/llvm/lib/CodeGen/InterferenceCache.cpp
index f8cc2472458..f7a470e3ebc 100644
--- a/llvm/lib/CodeGen/InterferenceCache.cpp
+++ b/llvm/lib/CodeGen/InterferenceCache.cpp
@@ -1,4 +1,4 @@
-//===-- InterferenceCache.cpp - Caching per-block interference ---------*--===//
+//===- InterferenceCache.cpp - Caching per-block interference -------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,9 +12,21 @@
 //===----------------------------------------------------------------------===//
 
 #include "InterferenceCache.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
+#include "llvm/CodeGen/LiveIntervalUnion.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/SlotIndexes.h"
+#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include <cassert>
+#include <cstdint>
+#include <cstdlib>
+#include <tuple>
 
 using namespace llvm;
 
@@ -149,7 +161,7 @@ void InterferenceCache::Entry::update(unsigned MBBNum) {
   BlockInterference *BI = &Blocks[MBBNum];
   ArrayRef<SlotIndex> RegMaskSlots;
   ArrayRef<const uint32_t*> RegMaskBits;
-  for (;;) {
+  while (true) {
     BI->Tag = Tag;
     BI->First = BI->Last = SlotIndex();