commit a1c01ba8c77d83fae19ce63c84d4293a5d08d348
author Andrew Trick <atrick@apple.com> Tue Mar 19 04:14:57 2013 +0000
committer Andrew Trick <atrick@apple.com> Tue Mar 19 04:14:57 2013 +0000
tree 8e31bbab179fea9bb25b382ca11f5fa738bb59aa
parent 9be9d172bfe5987afa6a9727fbe91d10469e6861

Tighten up an internal LSR API that should check for NULL.

No test case, but should fix a scan_build warning.

llvm-svn: 177374

llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp

diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 4e4cb86..e4f093e 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -895,7 +895,7 @@
   }
   if (Regs.insert(Reg)) {
     RateRegister(Reg, Regs, L, SE, DT);
-    if (isLoser())
+    if (LoserRegs && isLoser())
       LoserRegs->insert(Reg);
   }
 }