From d08b7cae4aebe93cdc91fc8306777fa40447f335 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Tue, 4 Mar 2025 07:30:25 -0800 Subject: [PATCH] [CodeGen] Avoid repeated hash lookups (NFC) --- llvm/lib/CodeGen/MachineScheduler.cpp | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp index 0eecceea3dd1e..5086ee8829b25 100644 --- a/llvm/lib/CodeGen/MachineScheduler.cpp +++ b/llvm/lib/CodeGen/MachineScheduler.cpp @@ -2032,10 +2032,11 @@ void BaseMemOpClusterMutation::clusterNeighboringMemOps( unsigned ClusterLength = 2; unsigned CurrentClusterBytes = MemOpa.Width.getValue().getKnownMinValue() + MemOpb.Width.getValue().getKnownMinValue(); - if (SUnit2ClusterInfo.count(MemOpa.SU->NodeNum)) { - ClusterLength = SUnit2ClusterInfo[MemOpa.SU->NodeNum].first + 1; - CurrentClusterBytes = SUnit2ClusterInfo[MemOpa.SU->NodeNum].second + - MemOpb.Width.getValue().getKnownMinValue(); + auto It = SUnit2ClusterInfo.find(MemOpa.SU->NodeNum); + if (It != SUnit2ClusterInfo.end()) { + const auto &[Len, Bytes] = It->second; + ClusterLength = Len + 1; + CurrentClusterBytes = Bytes + MemOpb.Width.getValue().getKnownMinValue(); } if (!TII->shouldClusterMemOps(MemOpa.BaseOps, MemOpa.Offset,