Remove obsolete LiveRange::FirstPosWithHint helper.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14650016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/lithium-allocator.cc

@@ -229,13 +229,6 @@ bool LiveRange::CanBeSpilled(LifetimePosition pos) {
 }
 
 
-UsePosition* LiveRange::FirstPosWithHint() const {
-  UsePosition* pos = first_pos_;
-  while (pos != NULL && !pos->HasHint()) pos = pos->next();
-  return pos;
-}
-
-
 LOperand* LiveRange::CreateAssignedOperand(Zone* zone) {
   LOperand* op = NULL;
   if (HasRegisterAssigned()) {
@@ -1813,10 +1806,8 @@ bool LAllocator::TryAllocateFreeReg(LiveRange* current) {
     free_until_pos[cur_reg] = Min(free_until_pos[cur_reg], next_intersection);
   }
 
-  UsePosition* hinted_use = current->FirstPosWithHint();
-  if (hinted_use != NULL) {
-    LOperand* hint = hinted_use->hint();
-    if (hint->IsRegister() || hint->IsDoubleRegister()) {
+  LOperand* hint = current->FirstHint();
+  if (hint != NULL && (hint->IsRegister() || hint->IsDoubleRegister())) {
     int register_index = hint->index();
     TraceAlloc(
         "Found reg hint %s (free until [%d) for live range %d (end %d[).\n",
@@ -1834,7 +1825,6 @@ bool LAllocator::TryAllocateFreeReg(LiveRange* current) {
       return true;
     }
   }
-  }
 
   // Find the register which stays free for the longest time.
   int reg = 0;

src/lithium-allocator.h

@@ -328,10 +328,10 @@ class LiveRange: public ZoneObject {
     return assigned_register_ != kInvalidAssignment;
   }
   bool IsSpilled() const { return spilled_; }
-  UsePosition* FirstPosWithHint() const;
 
   LOperand* FirstHint() const {
-    UsePosition* pos = FirstPosWithHint();
+    UsePosition* pos = first_pos_;
+    while (pos != NULL && !pos->HasHint()) pos = pos->next();
     if (pos != NULL) return pos->hint();
     return NULL;
   }