commit 556b20ab46520ac53bb689d3c70160bc9d496a3f
author Devang Patel <dpatel@apple.com> Wed Feb 04 01:06:11 2009 +0000
committer Devang Patel <dpatel@apple.com> Wed Feb 04 01:06:11 2009 +0000
tree 864219488e0151f163aa9c3a6dc7bd9d2572cc4a
parent dd64c417c0ef73345222eca60154289c1ad62a09

While folding vallue comparison terminators ignore dbg intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63700 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 ea68abe..25070aa 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1882,7 +1882,10 @@
             return SimplifyCFG(BB) || 1;
 
         // This block must be empty, except for the setcond inst, if it exists.
+        // Ignore dbg intrinsics.
         BasicBlock::iterator I = BB->begin();
+        while (isa<DbgInfoIntrinsic>(I))
+          I++;
         if (&*I == BI ||
             (&*I == cast<Instruction>(BI->getCondition()) &&
              &*++I == BI))