Constant folding support for the insertelement operation.

llvm-svn: 25407
2006-01-17 20:07:07 +00:00 · 2006-01-17 20:07:07 +00:00 · e6336a9b69
parent 6dce25019d
commit e6336a9b69
1 changed files with 3 additions and 0 deletions
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/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);