From 7d8867d45361b737dcd48db961488a35d9ac0e52 Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Tue, 29 Nov 2011 19:33:49 +0000 Subject: [PATCH] comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145422 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMHazardRecognizer.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/Target/ARM/ARMHazardRecognizer.h b/lib/Target/ARM/ARMHazardRecognizer.h index 2bc218d8566..053f874e1bc 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; -- 2.34.1