diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp b/llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp index 5eb1f01..b7e2263 100644 --- a/llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp +++ b/llvm/lib/Target/PowerPC/PPCMachineScheduler.cpp @@ -100,10 +100,14 @@ bool PPCPreRASchedStrategy::tryCandidate(SchedCandidate &Cand, // This is a best effort to set things up for a post-RA pass. Optimizations // like generating loads of multiple registers should ideally be done within // the scheduler pass by combining the loads during DAG postprocessing. - const ClusterInfo *CandCluster = Cand.AtTop ? TopCluster : BotCluster; - const ClusterInfo *TryCandCluster = TryCand.AtTop ? TopCluster : BotCluster; - if (tryGreater(TryCandCluster && TryCandCluster->contains(TryCand.SU), - CandCluster && CandCluster->contains(Cand.SU), TryCand, Cand, + unsigned CandZoneCluster = Cand.AtTop ? TopClusterID : BotClusterID; + unsigned TryCandZoneCluster = TryCand.AtTop ? TopClusterID : BotClusterID; + bool CandIsClusterSucc = + isTheSameCluster(CandZoneCluster, Cand.SU->ParentClusterIdx); + bool TryCandIsClusterSucc = + isTheSameCluster(TryCandZoneCluster, TryCand.SU->ParentClusterIdx); + + if (tryGreater(TryCandIsClusterSucc, CandIsClusterSucc, TryCand, Cand, Cluster)) return TryCand.Reason != NoCand; @@ -189,10 +193,14 @@ bool PPCPostRASchedStrategy::tryCandidate(SchedCandidate &Cand, return TryCand.Reason != NoCand; // Keep clustered nodes together. - const ClusterInfo *CandCluster = Cand.AtTop ? TopCluster : BotCluster; - const ClusterInfo *TryCandCluster = TryCand.AtTop ? TopCluster : BotCluster; - if (tryGreater(TryCandCluster && TryCandCluster->contains(TryCand.SU), - CandCluster && CandCluster->contains(Cand.SU), TryCand, Cand, + unsigned CandZoneCluster = Cand.AtTop ? TopClusterID : BotClusterID; + unsigned TryCandZoneCluster = TryCand.AtTop ? TopClusterID : BotClusterID; + bool CandIsClusterSucc = + isTheSameCluster(CandZoneCluster, Cand.SU->ParentClusterIdx); + bool TryCandIsClusterSucc = + isTheSameCluster(TryCandZoneCluster, TryCand.SU->ParentClusterIdx); + + if (tryGreater(TryCandIsClusterSucc, CandIsClusterSucc, TryCand, Cand, Cluster)) return TryCand.Reason != NoCand; |