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Disable Mips' delay slot filler when optimization level is O0.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162589 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-08-24 20:40:15 +00:00
parent 45d8dbc92d
commit 16865d0612
2 changed files with 15 additions and 7 deletions
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4
lib/Target/Mips/MipsDelaySlotFiller.cpp
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@@ -115,7 +115,9 @@ runOnMachineBasicBlock(MachineBasicBlock &MBB) {
InstrIter D;
if (!DisableDelaySlotFiller && findDelayInstr(MBB, I, D)) {
// Delay slot filling is disabled at -O0.
if (!DisableDelaySlotFiller && (TM.getOptLevel() != CodeGenOpt::None) &&
findDelayInstr(MBB, I, D)) {
MBB.splice(llvm::next(I), &MBB, D);
++UsefulSlots;
} else