diff options
| author | Stephen Hines <srhines@google.com> | 2012-09-10 16:47:31 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2012-09-10 16:47:31 -0700 |
| commit | 1c4ad5ef4fab105f0c8af7edd026e00502fb6279 (patch) | |
| tree | cb5bdfd58f776d00be450d0a5585f8f0186585da /lib/Target/Mips/MipsDelaySlotFiller.cpp | |
| parent | d62cdbe700ab288e9ad447824066edb7d17167d9 (diff) | |
| parent | 1dc2591e9ef0730612902f94976ce85bed6859de (diff) | |
| download | external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.zip external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.tar.gz external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.tar.bz2 | |
Merge branch 'upstream' into merge-2012_09_10
Conflicts:
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
lib/Support/DynamicLibrary.cpp
lib/Support/LockFileManager.cpp
Change-Id: I91e94c3a7a76e19c688307c5a480a640a3bd2b7e
Diffstat (limited to 'lib/Target/Mips/MipsDelaySlotFiller.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsDelaySlotFiller.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp index 2bba8a3..e3c8ed7 100644 --- a/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -30,10 +30,11 @@ STATISTIC(FilledSlots, "Number of delay slots filled"); STATISTIC(UsefulSlots, "Number of delay slots filled with instructions that" " are not NOP."); -static cl::opt<bool> EnableDelaySlotFiller( - "enable-mips-delay-filler", +static cl::opt<bool> DisableDelaySlotFiller( + "disable-mips-delay-filler", cl::init(false), - cl::desc("Fill the Mips delay slots useful instructions."), + cl::desc("Disable the delay slot filler, which attempts to fill the Mips" + "delay slots with useful instructions."), cl::Hidden); // This option can be used to silence complaints by machine verifier passes. @@ -114,7 +115,9 @@ runOnMachineBasicBlock(MachineBasicBlock &MBB) { InstrIter D; - if (EnableDelaySlotFiller && 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 |