From 627095ec5be18e9a628f2aad5f057425ffbc2505 Mon Sep 17 00:00:00 2001
From: Chen Zheng <czhengsz@cn.ibm.com>
Date: Thu, 11 Jul 2019 02:18:22 +0000
Subject: [SCEV] teach SCEV symbolical execution about overflow intrinsics
 folding. Differential Revision: https://reviews.llvm.org/D64422

llvm-svn: 365726
---
 llvm/lib/Analysis/ScalarEvolution.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 4a98fc537a5..95d6c20b692 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -7674,7 +7674,7 @@ ScalarEvolution::ExitLimit ScalarEvolution::computeShiftCompareExitLimit(
 static bool CanConstantFold(const Instruction *I) {
   if (isa<BinaryOperator>(I) || isa<CmpInst>(I) ||
       isa<SelectInst>(I) || isa<CastInst>(I) || isa<GetElementPtrInst>(I) ||
-      isa<LoadInst>(I))
+      isa<LoadInst>(I) || isa<ExtractValueInst>(I))
     return true;
 
   if (const CallInst *CI = dyn_cast<CallInst>(I))
-- 
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