From: Victor Hernandez <vhernandez@apple.com>
Date: Thu, 21 Jan 2010 23:09:12 +0000 (+0000)
Subject: No need to look through bitcasts for DbgInfoIntrinsic
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=edd7966809e112c29473f36108c308d2fb9f46e0

No need to look through bitcasts for DbgInfoIntrinsic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94114 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index e902688f206..7bc4fcdf368 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -615,11 +615,6 @@ Value *llvm::FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB,
     Instruction *Inst = --ScanFrom;
     if (isa<DbgInfoIntrinsic>(Inst))
       continue;
-    // We skip pointer-to-pointer bitcasts, which are NOPs.
-    // It is necessary for correctness to skip those that feed into a
-    // llvm.dbg.declare, as these are not present when debugging is off.
-    if (isa<BitCastInst>(Inst) && isa<PointerType>(Inst->getType()))
-      continue;
 
     // Restore ScanFrom to expected value in case next test succeeds
     ScanFrom++;