From: Nick Lewycky <nicholas@mxc.ca>
Date: Sun, 9 Mar 2008 09:44:38 +0000 (+0000)
Subject: SCCP also needs to be taught to follow unwind_to
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a66696ef0d6786befc7815cc25b37d2bc5e0010a;p=oota-llvm.git

SCCP also needs to be taught to follow unwind_to


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48109 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index b1c923c2bdc..6493f0e4080 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1082,6 +1082,10 @@ void SCCPSolver::visitCallSite(CallSite CS) {
     }
   }
   Instruction *I = CS.getInstruction();
+
+  if (!CS.doesNotThrow() && I->getParent()->getUnwindDest())
+    markEdgeExecutable(I->getParent(), I->getParent()->getUnwindDest());
+
   if (I->getType() == Type::VoidTy) return;
 
   LatticeVal &IV = ValueState[I];