assignDkeys: use flat_set<ReportID>, not set

src/nfa/castlecompile.cpp

@@ -894,7 +894,8 @@ bool is_equal(const CastleProto &c1, const CastleProto &c2) {
     return c1.repeats == c2.repeats;
 }
 
-bool requiresDedupe(const CastleProto &proto, const set<ReportID> &reports) {
+bool requiresDedupe(const CastleProto &proto,
+                    const ue2::flat_set<ReportID> &reports) {
     ue2::unordered_set<ReportID> seen;
     for (const PureRepeat &pr : proto.repeats | map_values) {
         for (const ReportID &report : pr.reports) {

src/nfa/castlecompile.h

@@ -38,6 +38,7 @@
 #include "nfagraph/ng_repeat.h"
 #include "util/alloc.h"
 #include "util/depth.h"
+#include "util/ue2_containers.h"
 
 #include <map>
 #include <memory>
@@ -135,7 +136,8 @@ bool is_equal(const CastleProto &c1, const CastleProto &c2);
  * \brief True if the given castle contains more than a single instance of any
  * of the reports in the given set.
  */
-bool requiresDedupe(const CastleProto &proto, const std::set<ReportID> &reports);
+bool requiresDedupe(const CastleProto &proto,
+                    const ue2::flat_set<ReportID> &reports);
 
 /**
  * \brief Build an NGHolder from a CastleProto.

src/rose/rose_build.h

@@ -42,6 +42,7 @@
 #include "rose_in_graph.h"
 #include "util/alloc.h"
 #include "util/charreach.h"
+#include "util/ue2_containers.h"
 #include "util/ue2string.h"
 
 #include <memory>
@@ -72,8 +73,8 @@ public:
 
     /** \brief True if we can not establish that at most a single callback will
      * be generated at a given offset from this set of reports. */
-    virtual bool requiresDedupeSupport(const std::set<ReportID> &reports) const
-        = 0;
+    virtual bool requiresDedupeSupport(const ue2::flat_set<ReportID> &reports)
+        const = 0;
 };
 
 /** \brief Abstract interface intended for callers from elsewhere in the tree,

src/rose/rose_build_misc.cpp

@@ -538,7 +538,7 @@ u32 RoseBuildImpl::getNewLiteralId() {
 }
 
 static
-bool requiresDedupe(const NGHolder &h, const set<ReportID> &reports,
+bool requiresDedupe(const NGHolder &h, const ue2::flat_set<ReportID> &reports,
                     const Grey &grey) {
     /* TODO: tighten */
     NFAVertex seen_vert = NFAGraph::null_vertex();
@@ -581,7 +581,8 @@ bool requiresDedupe(const NGHolder &h, const set<ReportID> &reports,
 class RoseDedupeAuxImpl : public RoseDedupeAux {
 public:
     explicit RoseDedupeAuxImpl(const RoseBuildImpl &tbi_in);
-    bool requiresDedupeSupport(const set<ReportID> &reports) const override;
+    bool requiresDedupeSupport(
+        const ue2::flat_set<ReportID> &reports) const override;
 
     const RoseBuildImpl &tbi;
     map<ReportID, set<RoseVertex>> vert_map;
@@ -644,8 +645,8 @@ RoseDedupeAuxImpl::RoseDedupeAuxImpl(const RoseBuildImpl &tbi_in)
     }
 }
 
-bool RoseDedupeAuxImpl::requiresDedupeSupport(const set<ReportID> &reports)
-    const {
+bool RoseDedupeAuxImpl::requiresDedupeSupport(
+    const ue2::flat_set<ReportID> &reports) const {
     /* TODO: this could be expanded to check for offset or character
        constraints */
 

src/util/report_manager.cpp

@@ -128,11 +128,9 @@ vector<ReportID> ReportManager::getDkeyToReportTable() const {
 }
 
 void ReportManager::assignDkeys(const RoseBuild *rose) {
-    unique_ptr<RoseDedupeAux> dedupe = rose->generateDedupeAux();
-
     DEBUG_PRINTF("assigning...\n");
 
-    map<u32, set<ReportID>> ext_to_int;
+    map<u32, ue2::flat_set<ReportID>> ext_to_int;
 
     for (u32 i = 0; i < reportIds.size(); i++) {
         const Report &ir = reportIds[i];
@@ -143,6 +141,8 @@ void ReportManager::assignDkeys(const RoseBuild *rose) {
         }
     }
 
+    auto dedupe = rose->generateDedupeAux();
+
     for (const auto &m : ext_to_int) {
         u32 ext = m.first;