From: Robert Bocchino <bocchino@illinois.edu>
Date: Tue, 17 Jan 2006 20:07:07 +0000 (+0000)
Subject: Constant folding support for the insertelement operation.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=956fd7254f976581a27ba0ee73d7707ff484d2c3;p=oota-llvm.git

Constant folding support for the insertelement operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25407 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index cfd67f2d831..f2598c16ce4 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -104,6 +104,9 @@ Constant *llvm::ConstantFoldInstruction(Instruction *I) {
     return 0;
   case Instruction::ExtractElement:
     return ConstantExpr::getExtractElement(Op0, Op1);
+  case Instruction::InsertElement:
+    if (Constant *Op2 = dyn_cast<Constant>(I->getOperand(2)))
+      return ConstantExpr::getInsertElement(Op0, Op1, Op2);
   case Instruction::GetElementPtr:
     std::vector<Constant*> IdxList;
     IdxList.reserve(I->getNumOperands()-1);