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| author | David Goodwin <david_goodwin@apple.com> | 2009-08-19 16:08:58 +0000 |
|---|---|---|
| committer | David Goodwin <david_goodwin@apple.com> | 2009-08-19 16:08:58 +0000 |
| commit | dc4bdcdef1c8dd1a28b82deb08df039e5c0ffc5a (patch) | |
| tree | 04180f2fa8fa18847ed96566e292e20b73099084 /include/llvm/CodeGen | |
| parent | 774350a60694fee45403d87b5edfeff27ac54d58 (diff) | |
Use the schedule itinerary operand use/def cycle information to adjust dependence edge latency for post-RA scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79425 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/ScheduleDAG.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index ead3d3db26..f820200f99 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -495,6 +495,12 @@ namespace llvm { /// virtual void ComputeLatency(SUnit *SU) = 0; + /// ComputeOperandLatency - Override dependence edge latency using + /// operand use/def information + /// + virtual void ComputeOperandLatency(SUnit *Def, SUnit *Use, + SDep& dep) const { }; + /// Schedule - Order nodes according to selected style, filling /// in the Sequence member. /// |