From cfeb6a450632f2a6cd05302633c8c2b8c90cfdfd Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 18 Jun 2008 16:23:07 +0000
Subject: Move LSR's private isZero function to a public SCEV member function,
 and make use of it in several places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52463 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/ScalarEvolutionExpander.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'lib/Analysis/ScalarEvolutionExpander.cpp')

diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 9872ced519..e7bc3f25d1 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -126,8 +126,7 @@ Value *SCEVExpander::visitAddRecExpr(SCEVAddRecExpr *S) {
   assert(Ty->isInteger() && "Cannot expand fp recurrences yet!");
 
   // {X,+,F} --> X + {0,+,F}
-  if (!isa<SCEVConstant>(S->getStart()) ||
-      !cast<SCEVConstant>(S->getStart())->getValue()->isZero()) {
+  if (!S->getStart()->isZero()) {
     Value *Start = expand(S->getStart());
     std::vector<SCEVHandle> NewOps(S->op_begin(), S->op_end());
     NewOps[0] = SE.getIntegerSCEV(0, Ty);
-- 
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