From 66658dd9a1ffe00a5f6e0afca7afb16ec6704ed3 Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Thu, 24 Jan 2013 02:09:55 +0000 Subject: MIsched: Added biasCriticalPath. Allow schedulers to order DAG edges by critical path. This makes DFS-based heuristics more stable and effective. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173317 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/ScheduleDAG.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/llvm/CodeGen') diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index aa91b0300a..9f4f66f860 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -455,6 +455,10 @@ namespace llvm { return NumSuccsLeft == 0; } + /// \brief Order this node's predecessor edges such that the critical path + /// edge occurs first. + void biasCriticalPath(); + void dump(const ScheduleDAG *G) const; void dumpAll(const ScheduleDAG *G) const; void print(raw_ostream &O, const ScheduleDAG *G) const; -- cgit v1.2.3-70-g09d2