From: Dan Gohman <gohman@apple.com>
Date: Mon, 29 Jun 2009 18:25:52 +0000 (+0000)
Subject: Simplify this code, and avoid using APInt(). This fixes
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=23737e04235b6cab4c51546887397a9e53bf757c;p=oota-llvm.git

Simplify this code, and avoid using APInt(). This fixes
(otherwise harmless) uninitialized value warnings that
Duncan found with gcc-4.4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74437 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index f4210e7b02e..6e32dcd51fb 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1048,9 +1048,8 @@ CollectAddOperandsWithScales(DenseMap<const SCEV*, APInt> &M,
         SmallVector<const SCEV*, 4> MulOps(Mul->op_begin()+1, Mul->op_end());
         const SCEV* Key = SE.getMulExpr(MulOps);
         std::pair<DenseMap<const SCEV*, APInt>::iterator, bool> Pair =
-          M.insert(std::make_pair(Key, APInt()));
+          M.insert(std::make_pair(Key, NewScale));
         if (Pair.second) {
-          Pair.first->second = NewScale;
           NewOps.push_back(Pair.first->first);
         } else {
           Pair.first->second += NewScale;
@@ -1067,9 +1066,8 @@ CollectAddOperandsWithScales(DenseMap<const SCEV*, APInt> &M,
     } else {
       // An ordinary operand. Update the map.
       std::pair<DenseMap<const SCEV*, APInt>::iterator, bool> Pair =
-        M.insert(std::make_pair(Ops[i], APInt()));
+        M.insert(std::make_pair(Ops[i], Scale));
       if (Pair.second) {
-        Pair.first->second = Scale;
         NewOps.push_back(Pair.first->first);
       } else {
         Pair.first->second += Scale;