From 1a5e936c53acda949afd8fa21b5a837b1d9fede9 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 17 Feb 2009 00:10:53 +0000
Subject: [PATCH] Simplify; fix some 80-column violations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64702 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/IndVarSimplify.cpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 4e7d5c76a0a..e774905976e 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -705,8 +705,9 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
   // variable.
   while (!IndVars.empty()) {
     PHINode *PN = IndVars.back().first;
-    Value *NewVal = Rewriter.expandCodeFor(IndVars.back().second, InsertPt);
-    DOUT << "INDVARS: Rewrote IV '" << *IndVars.back().second << "' " << *PN
+    SCEVAddRecExpr *AR = cast<SCEVAddRecExpr>(IndVars.back().second);
+    Value *NewVal = Rewriter.expandCodeFor(AR, InsertPt);
+    DOUT << "INDVARS: Rewrote IV '" << *AR << "' " << *PN
          << "   into = " << *NewVal << "\n";
     NewVal->takeName(PN);
 
@@ -718,9 +719,9 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
            UI != UE; ++UI) {
         if (isa<SExtInst>(UI) && NoSignedWrap) {
           SCEVHandle ExtendedStart =
-            SE->getSignExtendExpr(cast<SCEVAddRecExpr>(IndVars.back().second)->getStart(), LargestType);
+            SE->getSignExtendExpr(AR->getStart(), LargestType);
           SCEVHandle ExtendedStep =
-            SE->getSignExtendExpr(cast<SCEVAddRecExpr>(IndVars.back().second)->getStepRecurrence(*SE), LargestType);
+            SE->getSignExtendExpr(AR->getStepRecurrence(*SE), LargestType);
           SCEVHandle ExtendedAddRec =
             SE->getAddRecExpr(ExtendedStart, ExtendedStep, L);
           if (LargestType != UI->getType())
@@ -732,9 +733,9 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
         }
         if (isa<ZExtInst>(UI) && NoUnsignedWrap) {
           SCEVHandle ExtendedStart =
-            SE->getZeroExtendExpr(cast<SCEVAddRecExpr>(IndVars.back().second)->getStart(), LargestType);
+            SE->getZeroExtendExpr(AR->getStart(), LargestType);
           SCEVHandle ExtendedStep =
-            SE->getZeroExtendExpr(cast<SCEVAddRecExpr>(IndVars.back().second)->getStepRecurrence(*SE), LargestType);
+            SE->getZeroExtendExpr(AR->getStepRecurrence(*SE), LargestType);
           SCEVHandle ExtendedAddRec =
             SE->getAddRecExpr(ExtendedStart, ExtendedStep, L);
           if (LargestType != UI->getType())