commit 4b02729558b5bca2208fa9649964676e7d018c4f
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 e4c299e0af748297e915b4dd78005548582064b7
parent 5d22d02fac5ef25414c0fdd843b0fabba4998d6e

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

No test case, but should fix a scan_build warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177374 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopStrengthReduce.cpp

diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 4e4cb86..e4f093e 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/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);
   }
 }