commit 60d490cdc7b11e678f35f5b7eb2c9ef354462211
author Devang Patel <dpatel@apple.com> Thu Apr 07 23:11:25 2011 +0000
committer Devang Patel <dpatel@apple.com> Thu Apr 07 23:11:25 2011 +0000
tree 02b940a4766bf242b0838bc96f0680f5ae550f0d
parent 3cf3059b119dd995847dc24a08708ef71be43179

Do not let debug info interfer with branch folding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129114 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/SimplifyCFG.cpp

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 27f7721..cfc897c 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1435,6 +1435,12 @@
     ++FrontIt;
   }
   
+  // Ignore dbg intrinsics.
+  while (DbgInfoIntrinsic *DBI = dyn_cast<DbgInfoIntrinsic>(FrontIt)) {
+    DbgValues.push_back(DBI);
+    ++FrontIt;
+  }
+
   // Only a single bonus inst is allowed.
   if (&*FrontIt != Cond)
     return false;