Rebase on top of upstream main.

Created using spr 1.3.6-beta.1
llvm · Prabhuk · Apr 3, 2024 · Apr 22, 2024 · Apr 24, 2024 · Apr 29, 2024
commit e51ce07a9eaad82c48b6ddb2a5bbbacfdd9bde8d
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1898,6 +1898,12 @@ void AsmPrinter::emitFunctionBody() {
    STI = TM.getMCSubtargetInfo();

  bool CanDoExtraAnalysis = ORE->allowExtraAnalysis(DEBUG_TYPE);
+  // Create a slot for the entry basic block section so that the section
+  // order is preserved when iterating over MBBSectionRanges.
+  if (!MF->empty())
+    MBBSectionRanges[MF->front().getSectionID()] =
+        MBBSectionRange{CurrentFnBegin, nullptr};
+
  FunctionInfo FuncInfo;
  const auto &CallSitesInfoMap = MF->getCallSitesInfo();
  for (auto &MBB : *MF) {
@@ -2816,7 +2822,7 @@ void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
      needFuncLabels(MF, *this) || NeedsLocalForSize ||
      MF.getTarget().Options.EmitStackSizeSection ||
      MF.getTarget().Options.EmitCallGraphSection ||
-      MF.getTarget().Options.BBAddrMap || MF.hasBBLabels()) {
+      MF.getTarget().Options.BBAddrMap) {
    CurrentFnBegin = createTempSymbol("func_begin");
    if (NeedsLocalForSize)
      CurrentFnSymForSize = CurrentFnBegin;