SelectionDAG: Avoid using MachineFunction::getMMI (#99696)

Author: arsenm

llvm/include/llvm/CodeGen/SelectionDAG.h

@@ -245,6 +245,7 @@ class SelectionDAG {
 
   ProfileSummaryInfo *PSI = nullptr;
   BlockFrequencyInfo *BFI = nullptr;
+  MachineModuleInfo *MMI = nullptr;
 
   /// List of non-single value types.
   FoldingSet<SDVTListNode> VTListMap;
@@ -459,14 +460,15 @@ class SelectionDAG {
   void init(MachineFunction &NewMF, OptimizationRemarkEmitter &NewORE,
             Pass *PassPtr, const TargetLibraryInfo *LibraryInfo,
             UniformityInfo *UA, ProfileSummaryInfo *PSIin,
-            BlockFrequencyInfo *BFIin, FunctionVarLocs const *FnVarLocs);
+            BlockFrequencyInfo *BFIin, MachineModuleInfo &MMI,
+            FunctionVarLocs const *FnVarLocs);
 
   void init(MachineFunction &NewMF, OptimizationRemarkEmitter &NewORE,
             MachineFunctionAnalysisManager &AM,
             const TargetLibraryInfo *LibraryInfo, UniformityInfo *UA,
             ProfileSummaryInfo *PSIin, BlockFrequencyInfo *BFIin,
-            FunctionVarLocs const *FnVarLocs) {
-    init(NewMF, NewORE, nullptr, LibraryInfo, UA, PSIin, BFIin, FnVarLocs);
+            MachineModuleInfo &MMI, FunctionVarLocs const *FnVarLocs) {
+    init(NewMF, NewORE, nullptr, LibraryInfo, UA, PSIin, BFIin, MMI, FnVarLocs);
     MFAM = &AM;
   }
 
@@ -500,6 +502,7 @@ class SelectionDAG {
   OptimizationRemarkEmitter &getORE() const { return *ORE; }
   ProfileSummaryInfo *getPSI() const { return PSI; }
   BlockFrequencyInfo *getBFI() const { return BFI; }
+  MachineModuleInfo *getMMI() const { return MMI; }
 
   FlagInserter *getFlagInserter() { return Inserter; }
   void setFlagInserter(FlagInserter *FI) { Inserter = FI; }

llvm/include/llvm/CodeGen/SelectionDAGISel.h

@@ -48,6 +48,7 @@ class SelectionDAGISel {
   std::unique_ptr<FunctionLoweringInfo> FuncInfo;
   SwiftErrorValueTracking *SwiftError;
   MachineFunction *MF;
+  MachineModuleInfo *MMI;
   MachineRegisterInfo *RegInfo;
   SelectionDAG *CurDAG;
   std::unique_ptr<SelectionDAGBuilder> SDB;

llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

@@ -1333,7 +1333,7 @@ void SelectionDAG::init(MachineFunction &NewMF,
                         OptimizationRemarkEmitter &NewORE, Pass *PassPtr,
                         const TargetLibraryInfo *LibraryInfo,
                         UniformityInfo *NewUA, ProfileSummaryInfo *PSIin,
-                        BlockFrequencyInfo *BFIin,
+                        BlockFrequencyInfo *BFIin, MachineModuleInfo &MMIin,
                         FunctionVarLocs const *VarLocs) {
   MF = &NewMF;
   SDAGISelPass = PassPtr;
@@ -1345,6 +1345,7 @@ void SelectionDAG::init(MachineFunction &NewMF,
   UA = NewUA;
   PSI = PSIin;
   BFI = BFIin;
+  MMI = &MMIin;
   FnVarLocs = VarLocs;
 }
 

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@@ -6707,11 +6707,11 @@ void SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I,
                              getValue(I.getArgOperand(0))));
     return;
   case Intrinsic::eh_sjlj_callsite: {
-    MachineModuleInfo &MMI = DAG.getMachineFunction().getMMI();
     ConstantInt *CI = cast<ConstantInt>(I.getArgOperand(0));
-    assert(MMI.getCurrentCallSite() == 0 && "Overlapping call sites!");
+    assert(DAG.getMMI()->getCurrentCallSite() == 0 &&
+           "Overlapping call sites!");
 
-    MMI.setCurrentCallSite(CI->getZExtValue());
+    DAG.getMMI()->setCurrentCallSite(CI->getZExtValue());
     return;
   }
   case Intrinsic::eh_sjlj_functioncontext: {

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -509,7 +509,7 @@ void SelectionDAGISel::initializeAnalysisResults(
     FnVarLocs = &FAM.getResult<DebugAssignmentTrackingAnalysis>(Fn);
 
   auto *UA = FAM.getCachedResult<UniformityInfoAnalysis>(Fn);
-  CurDAG->init(*MF, *ORE, MFAM, LibInfo, UA, PSI, BFI, FnVarLocs);
+  CurDAG->init(*MF, *ORE, MFAM, LibInfo, UA, PSI, BFI, *MMI, FnVarLocs);
 
   // Now get the optional analyzes if we want to.
   // This is based on the possibly changed OptLevel (after optnone is taken
@@ -562,7 +562,11 @@ void SelectionDAGISel::initializeAnalysisResults(MachineFunctionPass &MFP) {
   UniformityInfo *UA = nullptr;
   if (auto *UAPass = MFP.getAnalysisIfAvailable<UniformityInfoWrapperPass>())
     UA = &UAPass->getUniformityInfo();
-  CurDAG->init(*MF, *ORE, &MFP, LibInfo, UA, PSI, BFI, FnVarLocs);
+
+  MachineModuleInfo &MMI =
+      MFP.getAnalysis<MachineModuleInfoWrapperPass>().getMMI();
+
+  CurDAG->init(*MF, *ORE, &MFP, LibInfo, UA, PSI, BFI, MMI, FnVarLocs);
 
   // Now get the optional analyzes if we want to.
   // This is based on the possibly changed OptLevel (after optnone is taken
@@ -796,7 +800,7 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
   }
 
   // Determine if floating point is used for msvc
-  computeUsesMSVCFloatingPoint(TM.getTargetTriple(), Fn, MF->getMMI());
+  computeUsesMSVCFloatingPoint(TM.getTargetTriple(), Fn, *CurDAG->getMMI());
 
   // Release function-specific state. SDB and CurDAG are already cleared
   // at this point.
@@ -1443,7 +1447,6 @@ bool SelectionDAGISel::PrepareEHLandingPad() {
 
 // Mark and Report IPToState for each Block under IsEHa
 void SelectionDAGISel::reportIPToStateForBlocks(MachineFunction *MF) {
-  MachineModuleInfo &MMI = MF->getMMI();
   llvm::WinEHFuncInfo *EHInfo = MF->getWinEHFuncInfo();
   if (!EHInfo)
     return;
@@ -1458,8 +1461,8 @@ void SelectionDAGISel::reportIPToStateForBlocks(MachineFunction *MF) {
         continue;
 
       // Insert EH Labels
-      MCSymbol *BeginLabel = MMI.getContext().createTempSymbol();
-      MCSymbol *EndLabel = MMI.getContext().createTempSymbol();
+      MCSymbol *BeginLabel = MF->getContext().createTempSymbol();
+      MCSymbol *EndLabel = MF->getContext().createTempSymbol();
       EHInfo->addIPToStateRange(State, BeginLabel, EndLabel);
       BuildMI(MBB, MBBb, SDB->getCurDebugLoc(),
               TII->get(TargetOpcode::EH_LABEL))

llvm/unittests/CodeGen/AArch64SelectionDAGTest.cpp

@@ -68,7 +68,8 @@ class AArch64SelectionDAGTest : public testing::Test {
     if (!DAG)
       report_fatal_error("DAG?");
     OptimizationRemarkEmitter ORE(F);
-    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
+    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, MMI,
+              nullptr);
   }
 
   TargetLoweringBase::LegalizeTypeAction getTypeAction(EVT VT) {

llvm/unittests/CodeGen/SelectionDAGAddressAnalysisTest.cpp

@@ -78,7 +78,8 @@ class SelectionDAGAddressAnalysisTest : public testing::Test {
     if (!DAG)
       report_fatal_error("DAG?");
     OptimizationRemarkEmitter ORE(F);
-    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
+    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, MMI,
+              nullptr);
   }
 
   TargetLoweringBase::LegalizeTypeAction getTypeAction(EVT VT) {

llvm/unittests/CodeGen/SelectionDAGPatternMatchTest.cpp

@@ -77,7 +77,8 @@ class SelectionDAGPatternMatchTest : public testing::Test {
     if (!DAG)
       report_fatal_error("DAG?");
     OptimizationRemarkEmitter ORE(F);
-    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
+    DAG->init(*MF, ORE, nullptr, nullptr, nullptr, nullptr, nullptr, MMI,
+              nullptr);
   }
 
   TargetLoweringBase::LegalizeTypeAction getTypeAction(EVT VT) {