diff options
| -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; |