Fix DbgStopPointInst->getFileName/getDirectory, broken by the MDNodification in
r80406, and readd a -print-dbginfo test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80778 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index cb2d624..aa71f1d 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -1058,6 +1058,11 @@
StopAtNul);
}
+ if (MDString *MDStr = dyn_cast<MDString>(V)) {
+ Str = MDStr->getString();
+ return true;
+ }
+
// The GEP instruction, constant or instruction, must reference a global
// variable that is a constant and is initialized. The referenced constant
// initializer is the array that we'll use for optimization.