Merge branch 'main' into users/mingmingl-llvm/spr/sdpglobalvariableusers/mingmingl-llvm/spr/sdpglobalvariable

1 files changed, 48 insertions, 0 deletions

diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index acbc97b..a14d362 100644
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -1121,6 +1121,53 @@ static CGProfileSortKind getCGProfileSortKind(Ctx &ctx,
   return CGProfileSortKind::None;
 }
 
+static void parseBPOrdererOptions(Ctx &ctx, opt::InputArgList &args) {
+  if (auto *arg = args.getLastArg(OPT_bp_compression_sort)) {
+    StringRef s = arg->getValue();
+    if (s == "function") {
+      ctx.arg.bpFunctionOrderForCompression = true;
+    } else if (s == "data") {
+      ctx.arg.bpDataOrderForCompression = true;
+    } else if (s == "both") {
+      ctx.arg.bpFunctionOrderForCompression = true;
+      ctx.arg.bpDataOrderForCompression = true;
+    } else if (s != "none") {
+      ErrAlways(ctx) << arg->getSpelling()
+                     << ": expected [none|function|data|both]";
+    }
+    if (s != "none" && args.hasArg(OPT_call_graph_ordering_file))
+      ErrAlways(ctx) << "--bp-compression-sort is incompatible with "
+                        "--call-graph-ordering-file";
+  }
+  if (auto *arg = args.getLastArg(OPT_bp_startup_sort)) {
+    StringRef s = arg->getValue();
+    if (s == "function") {
+      ctx.arg.bpStartupFunctionSort = true;
+    } else if (s != "none") {
+      ErrAlways(ctx) << arg->getSpelling() << ": expected [none|function]";
+    }
+    if (s != "none" && args.hasArg(OPT_call_graph_ordering_file))
+      ErrAlways(ctx) << "--bp-startup-sort=function is incompatible with "
+                        "--call-graph-ordering-file";
+  }
+
+  ctx.arg.bpCompressionSortStartupFunctions =
+      args.hasFlag(OPT_bp_compression_sort_startup_functions,
+                   OPT_no_bp_compression_sort_startup_functions, false);
+  ctx.arg.bpVerboseSectionOrderer = args.hasArg(OPT_verbose_bp_section_orderer);
+
+  ctx.arg.irpgoProfilePath = args.getLastArgValue(OPT_irpgo_profile);
+  if (ctx.arg.irpgoProfilePath.empty()) {
+    if (ctx.arg.bpStartupFunctionSort)
+      ErrAlways(ctx) << "--bp-startup-sort=function must be used with "
+                        "--irpgo-profile";
+    if (ctx.arg.bpCompressionSortStartupFunctions)
+      ErrAlways(ctx)
+          << "--bp-compression-sort-startup-functions must be used with "
+             "--irpgo-profile";
+  }
+}
+
 static DebugCompressionType getCompressionType(Ctx &ctx, StringRef s,
                                                StringRef option) {
   DebugCompressionType type = StringSwitch<DebugCompressionType>(s)
@@ -1262,6 +1309,7 @@ static void readConfigs(Ctx &ctx, opt::InputArgList &args) {
       ctx.arg.bsymbolic = BsymbolicKind::All;
   }
   ctx.arg.callGraphProfileSort = getCGProfileSortKind(ctx, args);
+  parseBPOrdererOptions(ctx, args);
   ctx.arg.checkSections =
       args.hasFlag(OPT_check_sections, OPT_no_check_sections, true);
   ctx.arg.chroot = args.getLastArgValue(OPT_chroot);