From 0bb35fa2306a66f1f0baf118619b5c1640ed9c01 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 12 Aug 2026 21:56:37 +0800
Subject: [GlobalISel] Split the generic pipeline components

---
 backend/lib/Target/RISCV/RISCVCodeGen.cpp  | 14 +++++++-------
 backend/lib/Target/RISCV/RISCVPipeline.cpp | 16 +++++++++-------
 2 files changed, 16 insertions(+), 14 deletions(-)

(limited to 'backend/lib/Target')

diff --git a/backend/lib/Target/RISCV/RISCVCodeGen.cpp b/backend/lib/Target/RISCV/RISCVCodeGen.cpp
index 00dba94..b610d81 100644
--- a/backend/lib/Target/RISCV/RISCVCodeGen.cpp
+++ b/backend/lib/Target/RISCV/RISCVCodeGen.cpp
@@ -3250,7 +3250,7 @@ struct VACopyPlan final {
   return eraseInstruction(Instruction);
 }
 
-class RISCVLegalizerInfo final : public TargetLegalizerInfo {
+class RISCVLegalizerInfo final : public LegalizerInfo {
 public:
   explicit RISCVLegalizerInfo(RISCVSubtargetFeatures Features) : Features(Features) {}
 
@@ -3985,7 +3985,7 @@ private:
   RISCVSubtargetFeatures Features;
 };
 
-class RISCVRegisterBankInfo final : public TargetRegisterBankInfo {
+class RISCVRegisterBankInfo final : public RegisterBankInfo {
 public:
   [[nodiscard]] Expected<RegisterBankID> selectBank(const MachineFunction &, Register,
                                                     const VirtualRegisterInfo &Info,
@@ -4049,7 +4049,7 @@ public:
   }
 };
 
-class RISCVInstructionSelector final : public TargetInstructionSelector {
+class RISCVInstructionSelector final : public InstructionSelector {
 public:
   [[nodiscard]] Expected<void>
   constrainSelectedInstruction(MachineInstr &Instruction, MachineFunction &Function,
@@ -6514,21 +6514,21 @@ private:
 
 } // namespace
 
-const TargetLegalizerInfo &legalizerInfo() noexcept {
+const LegalizerInfo &legalizerInfo() noexcept {
   static const RISCVLegalizerInfo Value(RISCVSubtargetFeatures::rv64gc());
   return Value;
 }
 
-std::unique_ptr<TargetLegalizerInfo> createLegalizerInfo(RISCVSubtargetFeatures Features) {
+std::unique_ptr<LegalizerInfo> createLegalizerInfo(RISCVSubtargetFeatures Features) {
   return std::make_unique<RISCVLegalizerInfo>(Features);
 }
 
-const TargetRegisterBankInfo &registerBankInfo() noexcept {
+const RegisterBankInfo &registerBankInfo() noexcept {
   static const RISCVRegisterBankInfo Value;
   return Value;
 }
 
-const TargetInstructionSelector &instructionSelector() noexcept {
+const InstructionSelector &instructionSelector() noexcept {
   static const RISCVInstructionSelector Value;
   return Value;
 }
diff --git a/backend/lib/Target/RISCV/RISCVPipeline.cpp b/backend/lib/Target/RISCV/RISCVPipeline.cpp
index 08a4653..7c778ea 100644
--- a/backend/lib/Target/RISCV/RISCVPipeline.cpp
+++ b/backend/lib/Target/RISCV/RISCVPipeline.cpp
@@ -3,10 +3,12 @@
 #include "rcc/Target/RISCV/RISCVPipeline.h"
 
 #include "RISCVInstrInfo.h"
+#include "rcc/CodeGen/GlobalISel/InstructionSelect.h"
+#include "rcc/CodeGen/GlobalISel/Legalizer.h"
+#include "rcc/CodeGen/GlobalISel/RegBankSelect.h"
 #include "rcc/CodeGen/MachineCombiner.h"
 #include "rcc/CodeGen/MachineFunction.h"
 #include "rcc/CodeGen/MachineOptimizationPipeline.h"
-#include "rcc/CodeGen/MachinePipelinePasses.h"
 #include "rcc/CodeGen/MachineSSAExit.h"
 #include "rcc/CodeGen/RegAllocPBQP.h"
 #include "rcc/CodeGen/TargetDescription.h"
@@ -33,13 +35,13 @@ template <typename PassT, typename... ArgumentT>
                                             MachineCombinerStage::PreLegalizer);
   if (!Added)
     return std::unexpected(Added.error());
-  Added = addPass<LegalizerPass>(Pipeline, createLegalizerInfo(Features));
+  Added = addPass<Legalizer>(Pipeline, createLegalizerInfo(Features));
   if (!Added)
     return std::unexpected(Added.error());
-  Added = addPass<RegisterBankSelectPass>(Pipeline, registerBankInfo());
+  Added = addPass<RegBankSelect>(Pipeline, registerBankInfo());
   if (!Added)
     return std::unexpected(Added.error());
-  return addPass<InstructionSelectPass>(Pipeline, instructionSelector());
+  return addPass<InstructionSelect>(Pipeline, instructionSelector());
 }
 
 [[nodiscard]] Expected<void> addSSAExitPipeline(MachinePassManager &Pipeline) {
@@ -86,17 +88,17 @@ Expected<void> addCanonicalPipeline(MachinePassManager &Pipeline, const MachineF
                                               MachineCombinerStage::PreLegalizer);
     if (!Added)
       return std::unexpected(Added.error());
-    Added = addPass<LegalizerPass>(Pipeline, createLegalizerInfo(Features));
+    Added = addPass<Legalizer>(Pipeline, createLegalizerInfo(Features));
     if (!Added)
       return std::unexpected(Added.error());
   }
   if (!Function.properties().has(MachineFunctionProperty::RegBankSelected)) {
-    auto Added = addPass<RegisterBankSelectPass>(Pipeline, registerBankInfo());
+    auto Added = addPass<RegBankSelect>(Pipeline, registerBankInfo());
     if (!Added)
       return std::unexpected(Added.error());
   }
   if (!Function.properties().has(MachineFunctionProperty::Selected)) {
-    auto Added = addPass<InstructionSelectPass>(Pipeline, instructionSelector());
+    auto Added = addPass<InstructionSelect>(Pipeline, instructionSelector());
     if (!Added)
       return std::unexpected(Added.error());
   }
-- 
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