From: Duncan Sands <baldrick@free.fr>
Date: Wed, 13 May 2009 12:52:44 +0000 (+0000)
Subject: Avoid getting a compiler warning
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=18395d2c3d03115a6b6f1496274304fc95f6178e;p=oota-llvm.git

Avoid getting a compiler warning
 IVUsers.cpp: In member function ‘bool llvm::IVUsers::AddUsersIfInteresting(llvm::Instruction*)’:
 IVUsers.cpp:221: warning: ‘isSigned’ may be used uninitialized in this function
with gcc-4.3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71654 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp
index 9ec9cacbbbe..7af91304754 100644
--- a/lib/Analysis/IVUsers.cpp
+++ b/lib/Analysis/IVUsers.cpp
@@ -218,7 +218,7 @@ bool IVUsers::AddUsersIfInteresting(Instruction *I) {
   Loop *UseLoop = LI->getLoopFor(I->getParent());
   SCEVHandle Start = SE->getIntegerSCEV(0, ISE->getType());
   SCEVHandle Stride = Start;
-  bool isSigned;
+  bool isSigned = false; // Arbitrary initial value - pacifies compiler.
 
   if (!getSCEVStartAndStride(ISE, L, UseLoop, Start, Stride, isSigned, SE, DT))
     return false;  // Non-reducible symbolic expression, bail out.