commit c3188ce0f1ff2d1b830702a93134905b9719f410
author Devang Patel <dpatel@apple.com> Wed Mar 17 23:52:37 2010 +0000
committer Devang Patel <dpatel@apple.com> Wed Mar 17 23:52:37 2010 +0000
tree d9d361db4dcb4e73f182748d6aacd6fa215e169d
parent 6c8648b4c9f3e02b625dd2d32e0315395da88e61

Debug info intrinsic does not intefer during tail call optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98778 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 11293e4..07dc238 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4282,6 +4282,9 @@
          --BBI) {
       if (&*BBI == I)
         break;
+      // Debug info intrinsic does not intefer during tail call optimization.
+      if (isa<DbgInfoIntrinsic>(BBI))
+        continue;
       if (BBI->mayHaveSideEffects() || BBI->mayReadFromMemory() ||
           !BBI->isSafeToSpeculativelyExecute())
         return false;