[llvm-commits] [llvm] r140583 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Andrew Trick]

Author: atrick
Date: Mon Sep 26 18:35:25 2011
New Revision: 140583

URL: http://llvm.org/viewvc/llvm-project?rev=140583&view=rev
Log:
LSR, one of the new Cost::isLoser() checks did not get merged in the previous checkin.

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=140583&r1=140582&r2=140583&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Mon Sep 26 18:35:25 2011
@@ -745,9 +745,13 @@
 
     // 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->getOperand(1)))
+    if (!AR->isAffine() || !isa<SCEVConstant>(AR->getOperand(1))) {
+      if (!Regs.count(AR->getOperand(1))) {
         RateRegister(AR->getOperand(1), Regs, L, SE, DT);
+        if (isLoser())
+          return;
+      }
+    }
   }
   ++NumRegs;