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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 | 312b97c2671e7bf5a8fdf3e3c0cb926c39d5830c (patch) | |
| tree | f18965a95d64b5f63c1d589141f24e3cdce70029 /llvm/lib/Target/ARM/ARMHazardRecognizer.h | |
| parent | b2339826e6890bfe4a5e491b5585332767abbd70 (diff) | |
| download | bcm5719-llvm-312b97c2671e7bf5a8fdf3e3c0cb926c39d5830c.tar.gz bcm5719-llvm-312b97c2671e7bf5a8fdf3e3c0cb926c39d5830c.zip | |
comment.
llvm-svn: 145422
Diffstat (limited to 'llvm/lib/Target/ARM/ARMHazardRecognizer.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMHazardRecognizer.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMHazardRecognizer.h b/llvm/lib/Target/ARM/ARMHazardRecognizer.h index 2bc218d8566..053f874e1bc 100644 --- a/llvm/lib/Target/ARM/ARMHazardRecognizer.h +++ b/llvm/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; |
