From: Craig Topper <craig.topper@gmail.com>
Date: Thu, 22 Oct 2015 16:35:56 +0000 (+0000)
Subject: Use ArrayRef instead of pointer and size. NFC
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0c065cf3eaa108e410fc5c0eb07b9ffd4226aaf9;p=oota-llvm.git

Use ArrayRef instead of pointer and size. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251029 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Transforms/InstCombine/InstCombineWorklist.h b/include/llvm/Transforms/InstCombine/InstCombineWorklist.h
index a6bad343db4..5d2b2d00000 100644
--- a/include/llvm/Transforms/InstCombine/InstCombineWorklist.h
+++ b/include/llvm/Transforms/InstCombine/InstCombineWorklist.h
@@ -60,13 +60,13 @@ public:
   /// AddInitialGroup - Add the specified batch of stuff in reverse order.
   /// which should only be done when the worklist is empty and when the group
   /// has no duplicates.
-  void AddInitialGroup(Instruction *const *List, unsigned NumEntries) {
+  void AddInitialGroup(ArrayRef<Instruction *> List) {
     assert(Worklist.empty() && "Worklist must be empty to add initial group");
-    Worklist.reserve(NumEntries+16);
-    WorklistMap.resize(NumEntries);
-    DEBUG(dbgs() << "IC: ADDING: " << NumEntries << " instrs to worklist\n");
-    for (unsigned Idx = 0; NumEntries; --NumEntries) {
-      Instruction *I = List[NumEntries-1];
+    Worklist.reserve(List.size()+16);
+    WorklistMap.resize(List.size());
+    DEBUG(dbgs() << "IC: ADDING: " << List.size() << " instrs to worklist\n");
+    unsigned Idx = 0;
+    for (Instruction *I : reverse(List)) {
       WorklistMap.insert(std::make_pair(I, Idx++));
       Worklist.push_back(I);
     }
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp
index e0879423996..9b19732acfc 100644
--- a/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -2945,8 +2945,7 @@ static bool AddReachableCodeToWorklist(BasicBlock *BB, const DataLayout &DL,
   // of the function down.  This jives well with the way that it adds all uses
   // of instructions to the worklist after doing a transformation, thus avoiding
   // some N^2 behavior in pathological cases.
-  ICWorklist.AddInitialGroup(&InstrsForInstCombineWorklist[0],
-                             InstrsForInstCombineWorklist.size());
+  ICWorklist.AddInitialGroup(InstrsForInstCombineWorklist);
 
   return MadeIRChange;
 }