Add back functionality removed in r210497.
Instead of asserting, output a message stating that a null pointer was found.
llvm-svn: 211430
diff --git a/llvm/lib/Analysis/RegionPass.cpp b/llvm/lib/Analysis/RegionPass.cpp
index d11b332..71de144 100644
--- a/llvm/lib/Analysis/RegionPass.cpp
+++ b/llvm/lib/Analysis/RegionPass.cpp
@@ -196,8 +196,10 @@
bool runOnRegion(Region *R, RGPassManager &RGM) override {
Out << Banner;
for (const auto &BB : R->blocks()) {
- assert(BB != nullptr && "Expecting non-null Block");
- BB->print(Out);
+ if (BB)
+ BB->print(Out);
+ else
+ Out << "Printing <null> Block";
}
return false;