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| author | Andrew Trick <atrick@apple.com> | 2011-11-29 19:33:49 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-11-29 19:33:49 +0000 |
| commit | 7d8867d45361b737dcd48db961488a35d9ac0e52 (patch) | |
| tree | 0629ba220d3337dd3f5df8622e76602a97b7effb /lib/Target/ARM/ARMHazardRecognizer.h | |
| parent | d782bae970e888572f0458ac05369bbd7752f05a (diff) | |
| download | llvm-7d8867d45361b737dcd48db961488a35d9ac0e52.tar.gz llvm-7d8867d45361b737dcd48db961488a35d9ac0e52.tar.bz2 llvm-7d8867d45361b737dcd48db961488a35d9ac0e52.tar.xz | |
comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145422 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMHazardRecognizer.h')
| -rw-r--r-- | lib/Target/ARM/ARMHazardRecognizer.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMHazardRecognizer.h b/lib/Target/ARM/ARMHazardRecognizer.h index 2bc218d856..053f874e1b 100644 --- a/lib/Target/ARM/ARMHazardRecognizer.h +++ b/lib/Target/ARM/ARMHazardRecognizer.h @@ -23,6 +23,10 @@ class ARMBaseRegisterInfo; class ARMSubtarget; class MachineInstr; +/// ARMHazardRecognizer handles special constraints that are not expressed in +/// the scheduling itinerary. This is only used during postRA scheduling. The +/// ARM preRA scheduler uses an unspecialized instance of the +/// ScoreboardHazardRecognizer. class ARMHazardRecognizer : public ScoreboardHazardRecognizer { const ARMBaseInstrInfo &TII; const ARMBaseRegisterInfo &TRI; |