CodeGen: Remove MachineModuleInfo reference from MachineFunction (#100357)

This avoids another unserializable field. Move the DbgInfoAvailable
field into the AsmPrinter, which is only really a cache/convenience
bit for checking a direct IR module metadata check.

1 files changed, 1 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/MachineModuleInfo.cpp b/llvm/lib/CodeGen/MachineModuleInfo.cpp
index f382df1..c664959 100644
--- a/llvm/lib/CodeGen/MachineModuleInfo.cpp
+++ b/llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -27,7 +27,6 @@ MachineModuleInfoImpl::~MachineModuleInfoImpl() = default;
 void MachineModuleInfo::initialize() {
   ObjFileMMI = nullptr;
   NextFnNum = 0;
-  DbgInfoAvailable = false;
 }
 
 void MachineModuleInfo::finalize() {
@@ -87,7 +86,7 @@ MachineFunction &MachineModuleInfo::getOrCreateMachineFunction(Function &F) {
   if (I.second) {
     // No pre-existing machine function, create a new one.
     const TargetSubtargetInfo &STI = *TM.getSubtargetImpl(F);
-    MF = new MachineFunction(F, TM, STI, NextFnNum++, *this);
+    MF = new MachineFunction(F, TM, STI, getContext(), NextFnNum++);
     MF->initTargetMachineFunctionInfo(STI);
 
     // MRI callback for target specific initializations.
@@ -207,7 +206,6 @@ bool MachineModuleInfoWrapperPass::doInitialization(Module &M) {
         Ctx.diagnose(
             DiagnosticInfoSrcMgr(SMD, M.getName(), IsInlineAsm, LocCookie));
       });
-  MMI.DbgInfoAvailable = !M.debug_compile_units().empty();
   return false;
 }
 
@@ -232,6 +230,5 @@ MachineModuleAnalysis::run(Module &M, ModuleAnalysisManager &) {
         Ctx.diagnose(
             DiagnosticInfoSrcMgr(SMD, M.getName(), IsInlineAsm, LocCookie));
       });
-  MMI.DbgInfoAvailable = !M.debug_compile_units().empty();
   return Result(MMI);
 }