[polly] r244736 - Remove identity operation from SCEVAffinator

[Johannes Doerfert via llvm-commits]

Author: jdoerfert
Date: Wed Aug 12 05:58:01 2015
New Revision: 244736

URL: http://llvm.org/viewvc/llvm-project?rev=244736&view=rev
Log:
Remove identity operation from SCEVAffinator

Modified:
    polly/trunk/lib/Support/SCEVAffinator.cpp

Modified: polly/trunk/lib/Support/SCEVAffinator.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Support/SCEVAffinator.cpp?rev=244736&r1=244735&r2=244736&view=diff
==============================================================================
--- polly/trunk/lib/Support/SCEVAffinator.cpp (original)
+++ polly/trunk/lib/Support/SCEVAffinator.cpp Wed Aug 12 05:58:01 2015
@@ -152,7 +152,6 @@ SCEVAffinator::visitAddRecExpr(const SCE
     assert(S->getRegion().contains(Expr->getLoop()) &&
            "Scop does not contain the loop referenced in this AddRec");
 
-    isl_pw_aff *Start = visit(Expr->getStart());
     isl_pw_aff *Step = visit(Expr->getOperand(1));
     isl_space *Space = isl_space_set_alloc(Ctx, 0, NumIterators);
     isl_local_space *LocalSpace = isl_local_space_from_space(Space);
@@ -164,7 +163,7 @@ SCEVAffinator::visitAddRecExpr(const SCE
     isl_pw_aff *LPwAff = isl_pw_aff_from_aff(LAff);
 
     // TODO: Do we need to check for NSW and NUW?
-    return isl_pw_aff_add(Start, isl_pw_aff_mul(Step, LPwAff));
+    return isl_pw_aff_mul(Step, LPwAff);
   }
 
   // Translate AddRecExpr from '{start, +, inc}' into 'start + {0, +, inc}'