Suppress a warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160629 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2012-07-23 13:44:15 +00:00
parent f4341e4155
commit c1deb67d78

View File

@ -1581,7 +1581,8 @@ void Reassociate::OptimizeInst(Instruction *I) {
// If this is an interior node of a reassociable tree, ignore it until we
// get to the root of the tree, to avoid N^2 analysis.
if (BO->hasOneUse() && BO->use_back()->getOpcode() == BO->getOpcode())
unsigned Opcode = BO->getOpcode();
if (BO->hasOneUse() && BO->use_back()->getOpcode() == Opcode)
return;
// If this is an add tree that is used by a sub instruction, ignore it