Do not attribute static allocas to the call site's DebugLoc.

[oota-llvm.git] / lib / Transforms / Utils / InlineFunction.cpp

diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index ca33e338edaf6c78423b8f8de9d1cb4cd63b74bf..1b2e2089415f809a8d7fbbbd3c2933d5002c6ff2 100644 (file)
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -856,6 +856,12 @@ static void fixupLineNumbers(Function *Fn, Function::iterator FI,
         // originates from the call location. This is important for
         // ((__always_inline__, __nodebug__)) functions which must use caller
         // location for all instructions in their function body.
+
+        // Don't update static allocas, as they may get moved later.
+        if (auto *AI = dyn_cast<AllocaInst>(BI))
+          if (isa<Constant>(AI->getArraySize()))
+            continue;
+
         BI->setDebugLoc(TheCallDL);
       } else {
         BI->setDebugLoc(updateInlinedAtInfo(DL, TheCallDL, BI->getContext()));