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Revert the previous commit. Go ahead and hoist rematerializable instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-05-12 19:47:18 +00:00
parent b43e9c1965
commit c1b7f52fbe
1 changed files with 0 additions and 4 deletions
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4
lib/CodeGen/MachineLICM.cpp
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@ -297,10 +297,6 @@ bool MachineLICM::IsLoopInvariantInst(MachineInstr &I) {
void MachineLICM::Hoist(MachineInstr &MI) {
if (!IsLoopInvariantInst(MI)) return;
// Hoisting things that are trivially rematerializable may result in worse
// code than before.
if (TII->isTriviallyReMaterializable(&MI)) return;
std::vector<MachineBasicBlock*> Preds;
// Non-back-edge predecessors.