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authorChris Lattner <sabre@nondot.org>2004-03-12 05:53:03 +0000
committerChris Lattner <sabre@nondot.org>2004-03-12 05:53:03 +0000
commitcb015ee6c09b56037155ba62263bf7f7f9d895ed (patch)
tree73fb2494077cfc4f2e789f92f5089b24f14c1e52 /llvm/lib
parent59db22dcd4f44f4dccbe408e8e127298ecc696e0 (diff)
downloadbcm5719-llvm-cb015ee6c09b56037155ba62263bf7f7f9d895ed.tar.gz
bcm5719-llvm-cb015ee6c09b56037155ba62263bf7f7f9d895ed.zip
Add constant folding wrapper support for select instructions.
llvm-svn: 12319
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Transforms/Utils/Local.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index 821d1e13ebc..c54765b4278 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/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<Constant>(I->getOperand(2)))
+ return ConstantExpr::getSelect(Op0, Op1, Op2);
+ return 0;
case Instruction::GetElementPtr:
std::vector<Constant*> IdxList;
IdxList.reserve(I->getNumOperands()-1);
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