[llvm-commits] [llvm] r140431 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Andrew Trick]

Author: atrick
Date: Fri Sep 23 18:05:19 2011
New Revision: 140431

URL: http://llvm.org/viewvc/llvm-project?rev=140431&view=rev
Log:
LSR minor bug fix in RateRegister.

No test case. Noticed by inspection and I doubt it ever affects the
outcome of the overall heuristic, let alone final codegen.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=140431&r1=140430&r2=140431&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Fri Sep 23 18:05:19 2011
@@ -728,7 +728,7 @@
     // Add the step value register, if it needs one.
     // TODO: The non-affine case isn't precisely modeled here.
     if (!AR->isAffine() || !isa<SCEVConstant>(AR->getOperand(1)))
-      if (!Regs.count(AR->getStart()))
+      if (!Regs.count(AR->getOperand(1)))
         RateRegister(AR->getOperand(1), Regs, L, SE, DT);
   }
   ++NumRegs;