Make stubs for the rest of GISel

SupernaviX · Aug 23, 2024 · 135033b · 135033b
1 parent 09e7db9
commit 135033b
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Showing 7 changed files with 137 additions and 3 deletions.
diff --git a/llvm/lib/Target/V810/CMakeLists.txt b/llvm/lib/Target/V810/CMakeLists.txt
@@ -7,6 +7,7 @@ tablegen(LLVM V810GenAsmWriter.inc -gen-asm-writer)
 tablegen(LLVM V810GenCallingConv.inc -gen-callingconv)
 tablegen(LLVM V810GenDAGISel.inc -gen-dag-isel)
 tablegen(LLVM V810GenDisassemblerTables.inc -gen-disassembler)
+tablegen(LLVM V810GenGlobalISel.inc -gen-global-isel)
 tablegen(LLVM V810GenInstrInfo.inc -gen-instr-info)
 tablegen(LLVM V810GenMCCodeEmitter.inc -gen-emitter)
 tablegen(LLVM V810GenRegisterBank.inc -gen-register-bank)
@@ -32,6 +33,8 @@ add_llvm_target(V810CodeGen
   V810TargetObjectFile.cpp
   V810TargetTransformInfo.cpp
   GISel/V810CallLowering.cpp
+  GISel/V810InstructionSelector.cpp
+  GISel/V810LegalizerInfo.cpp
   GISel/V810RegisterBankInfo.cpp
 
   LINK_COMPONENTS

diff --git a/llvm/lib/Target/V810/GISel/V810InstructionSelector.cpp b/llvm/lib/Target/V810/GISel/V810InstructionSelector.cpp
@@ -0,0 +1,67 @@
+#include "V810InstructionSelector.h"
+#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "v810-isel"
+
+namespace {
+
+#define GET_GLOBALISEL_PREDICATE_BITSET
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATE_BITSET
+
+class V810InstructionSelector : public InstructionSelector {
+public:
+  V810InstructionSelector(const V810TargetMachine &TM,
+                          V810Subtarget &STI,
+                          V810RegisterBankInfo &RBI);
+  bool select(MachineInstr &MI) override;
+  static const char *getName() { return DEBUG_TYPE; }
+private:
+  const V810Subtarget &STI;
+  const V810InstrInfo &TII;
+  const V810RegisterInfo &TRI;
+  const V810RegisterBankInfo &RBI;
+
+  /// tblgen-erated 'select' implementation, used as the initial selector for
+  /// the patterns that don't require complex C++.
+  bool selectImpl(MachineInstr &MI, CodeGenCoverage &CoverageInfo) const;
+
+#define GET_GLOBALISEL_PREDICATES_DECL
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATES_DECL
+
+#define GET_GLOBALISEL_TEMPORARIES_DECL
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_TEMPORARIES_DECL
+};
+
+} // namespace
+
+#define GET_GLOBALISEL_IMPL
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_IMPL
+
+V810InstructionSelector::V810InstructionSelector(const V810TargetMachine &TM,
+                                                       V810Subtarget &STI,
+                                                       V810RegisterBankInfo &RBI)
+    : STI(STI), TII(*STI.getInstrInfo()), TRI(*STI.getRegisterInfo()), RBI(RBI),
+#define GET_GLOBALISEL_PREDICATES_INIT
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_PREDICATES_INIT
+#define GET_GLOBALISEL_TEMPORARIES_INIT
+#include "V810GenGlobalISel.inc"
+#undef GET_GLOBALISEL_TEMPORARIES_INIT
+{
+}
+
+bool V810InstructionSelector::select(MachineInstr &MI) {
+  return selectImpl(MI, *CoverageInfo);
+}
+
+InstructionSelector *llvm::createV810InstructionSelector(
+    const V810TargetMachine &TM, V810Subtarget &STI, V810RegisterBankInfo &RBI) {
+  return new V810InstructionSelector(TM, STI, RBI);
+}
diff --git a/llvm/lib/Target/V810/GISel/V810InstructionSelector.h b/llvm/lib/Target/V810/GISel/V810InstructionSelector.h
@@ -0,0 +1,18 @@
+#ifndef LLVM_LIB_TARGET_V810_V810INSTRUCTIONSELECTOR_H
+#define LLVM_LIB_TARGET_V810_V810INSTRUCTIONSELECTOR_H
+
+#include "V810RegisterBankInfo.h"
+#include "V810Subtarget.h"
+#include "V810TargetMachine.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
+
+namespace llvm {
+
+InstructionSelector *
+createV810InstructionSelector(const V810TargetMachine &TM,
+                                    V810Subtarget &STI,
+                                    V810RegisterBankInfo &RBI);
+
+}
+
+#endif
diff --git a/llvm/lib/Target/V810/GISel/V810LegalizerInfo.cpp b/llvm/lib/Target/V810/GISel/V810LegalizerInfo.cpp
@@ -0,0 +1,9 @@
+#include "V810LegalizerInfo.h"
+#include "V810Subtarget.h"
+
+using namespace llvm;
+
+V810LegalizerInfo::V810LegalizerInfo(const V810Subtarget &STI) {
+  getLegacyLegalizerInfo().computeTables();
+  verify(*STI.getInstrInfo());
+}
diff --git a/llvm/lib/Target/V810/GISel/V810LegalizerInfo.h b/llvm/lib/Target/V810/GISel/V810LegalizerInfo.h
@@ -0,0 +1,17 @@
+#ifndef LLVM_LIB_TARGET_V810_V810LEGALIZERINFO_H
+#define LLVM_LIB_TARGET_V810_V810LEGALIZERINFO_H
+
+#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
+
+namespace llvm {
+
+class V810Subtarget;
+
+class V810LegalizerInfo : public LegalizerInfo {
+public:
+  V810LegalizerInfo(const V810Subtarget &STI);
+};
+
+}
+
+#endif
diff --git a/llvm/lib/Target/V810/V810Subtarget.cpp b/llvm/lib/Target/V810/V810Subtarget.cpp
@@ -1,5 +1,7 @@
 #include "V810Subtarget.h"
 #include "GISel/V810CallLowering.h"
+#include "GISel/V810InstructionSelector.h"
+#include "GISel/V810LegalizerInfo.h"
 #include "GISel/V810RegisterBankInfo.h"
 #include "V810.h"
 
@@ -31,18 +33,29 @@ V810Subtarget &V810Subtarget::initializeSubtargetDependencies(const Triple &TT,
 }
 
 V810Subtarget::V810Subtarget(const Triple &TT, const std::string &CPU,
-                             const std::string &FS, const TargetMachine &TM)
+                             const std::string &FS, const V810TargetMachine &TM)
     : V810GenSubtargetInfo(TT, CPU, /*TuneCPU*/ CPU, FS),
       InstrInfo(), TLInfo(TM, initializeSubtargetDependencies(TT, CPU, FS)), FrameLowering(),
       InstrItins(getInstrItineraryForCPU(getCPUName(TT, CPU))) {
   CallLoweringInfo.reset(new V810CallLowering(*getTargetLowering()));
   RegBankInfo.reset(new V810RegisterBankInfo());
+  Legalizer.reset(new V810LegalizerInfo(*this));
+  V810RegisterBankInfo *RBI = static_cast<V810RegisterBankInfo*>(RegBankInfo.get());
+  InstSelector.reset(createV810InstructionSelector(TM, *this, *RBI));
 }
 
 const CallLowering *V810Subtarget::getCallLowering() const {
   return CallLoweringInfo.get();
 }
 
+InstructionSelector *V810Subtarget::getInstructionSelector() const {
+  return InstSelector.get();
+}
+
+const LegalizerInfo *V810Subtarget::getLegalizerInfo() const {
+  return Legalizer.get();
+}
+
 const RegisterBankInfo *V810Subtarget::getRegBankInfo() const {
   return RegBankInfo.get();
-}
+}
diff --git a/llvm/lib/Target/V810/V810Subtarget.h b/llvm/lib/Target/V810/V810Subtarget.h
@@ -6,6 +6,7 @@
 #include "V810ISelLowering.h"
 #include "V810SelectionDAGInfo.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
+#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 
@@ -28,10 +29,12 @@ class V810Subtarget : public V810GenSubtargetInfo {
   InstrItineraryData InstrItins;
 
   std::unique_ptr<CallLowering> CallLoweringInfo;
+  std::unique_ptr<InstructionSelector> InstSelector;
+  std::unique_ptr<LegalizerInfo> Legalizer;
   std::unique_ptr<RegisterBankInfo> RegBankInfo;
 public:
   V810Subtarget(const Triple &TT, const std::string &CPU,
-                const std::string &FS, const TargetMachine &TM);
+                const std::string &FS, const V810TargetMachine &TM);
 
   const InstrItineraryData *getInstrItineraryData() const override {
     return &InstrItins;
@@ -52,6 +55,10 @@ class V810Subtarget : public V810GenSubtargetInfo {
 
   const CallLowering *getCallLowering() const override;
 
+  InstructionSelector *getInstructionSelector() const override;
+
+  const LegalizerInfo *getLegalizerInfo() const override;
+
   const RegisterBankInfo *getRegBankInfo() const override;
 
   bool isNintendo() const { return IsNintendo; }