Comparing a pointer with null is not a capture.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89389 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CaptureTracking.cpp b/lib/Analysis/CaptureTracking.cpp
index f615881..7cd055dcd 100644
--- a/lib/Analysis/CaptureTracking.cpp
+++ b/lib/Analysis/CaptureTracking.cpp
@@ -98,6 +98,11 @@
Worklist.push_back(U);
}
break;
+ case Instruction::ICmp:
+ // Comparing the pointer against null does not count as a capture.
+ if (isa<ConstantPointerNull>(I->getOperand(1)))
+ break;
+ return true;
default:
// Something else - be conservative and say it is captured.
return true;