From 17fd273512037da9838240b522619f4a6d2792b7 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 12 Mar 2004 05:53:03 +0000 Subject: [PATCH] Add constant folding wrapper support for select instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12319 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/Local.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp index 821d1e13ebc..c54765b4278 100644 --- a/lib/Transforms/Utils/Local.cpp +++ b/lib/Transforms/Utils/Local.cpp @@ -79,6 +79,10 @@ Constant *llvm::ConstantFoldInstruction(Instruction *I) { default: return 0; case Instruction::Cast: return ConstantExpr::getCast(Op0, I->getType()); + case Instruction::Select: + if (Constant *Op2 = dyn_cast(I->getOperand(2))) + return ConstantExpr::getSelect(Op0, Op1, Op2); + return 0; case Instruction::GetElementPtr: std::vector IdxList; IdxList.reserve(I->getNumOperands()-1);