[CodeGen][Passes] Move CodeGenPassBuilder.h to Passes (#79242)

`CodeGenPassBuilder` is not very tightly coupled to CodeGen, it may need
to reference some method in pass builder in future, so move
`CodeGenPassBuilder.h` to Passes.

Author: paperchalice

llvm/include/llvm/CodeGen/CodeGenPassBuilder.h renamed to llvm/include/llvm/Passes/CodeGenPassBuilder.h

@@ -12,8 +12,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CODEGEN_CODEGENPASSBUILDER_H
-#define LLVM_CODEGEN_CODEGENPASSBUILDER_H
+#ifndef LLVM_PASSES_CODEGENPASSBUILDER_H
+#define LLVM_PASSES_CODEGENPASSBUILDER_H
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
@@ -116,7 +116,7 @@ namespace llvm {
     }                                                                          \
     static AnalysisKey Key;                                                    \
   };
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
 /// This class provides access to building LLVM's passes.
 ///
@@ -676,7 +676,7 @@ CodeGenPassBuilder<Derived>::getPassNameFromLegacyName(StringRef Name) const {
 #define DUMMY_MACHINE_FUNCTION_PASS(NAME, PASS_NAME, CONSTRUCTOR)              \
   if (Name == NAME)                                                            \
     Ret = {#PASS_NAME, true};
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
   if (Ret.first.empty())
     Ret = derived().getTargetPassNameFromLegacyName(Name);
@@ -1235,4 +1235,4 @@ void CodeGenPassBuilder<Derived>::addBlockPlacement(
 
 } // namespace llvm
 
-#endif // LLVM_CODEGEN_CODEGENPASSBUILDER_H
+#endif // LLVM_PASSES_CODEGENPASSBUILDER_H

llvm/include/llvm/CodeGen/MachinePassRegistry.def renamed to llvm/include/llvm/Passes/MachinePassRegistry.def

@@ -46,11 +46,8 @@ module LLVM_Backend {
     exclude header "llvm/CodeGen/LinkAllAsmWriterComponents.h"
     exclude header "llvm/CodeGen/LinkAllCodegenComponents.h"
 
-    exclude header "llvm/CodeGen/CodeGenPassBuilder.h"
-
     // These are intended for (repeated) textual inclusion.
     textual header "llvm/CodeGen/DIEValue.def"
-    textual header "llvm/CodeGen/MachinePassRegistry.def"
   }
 }
 

llvm/include/module.modulemap

@@ -56,7 +56,6 @@ add_llvm_component_library(LLVMCodeGen
   CFIInstrInserter.cpp
   CodeGen.cpp
   CodeGenCommonISel.cpp
-  CodeGenPassBuilder.cpp
   CodeGenPrepare.cpp
   CommandFlags.cpp
   ComplexDeinterleavingPass.cpp

llvm/lib/CodeGen/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_llvm_component_library(LLVMPasses
+  CodeGenPassBuilder.cpp
   OptimizationLevel.cpp
   PassBuilder.cpp
   PassBuilderBindings.cpp

llvm/lib/Passes/CMakeLists.txt

@@ -11,17 +11,17 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "llvm/CodeGen/CodeGenPassBuilder.h"
+#include "llvm/Passes/CodeGenPassBuilder.h"
 
 using namespace llvm;
 
 namespace llvm {
 #define DUMMY_MACHINE_MODULE_PASS(NAME, PASS_NAME, CONSTRUCTOR)                \
   MachinePassKey PASS_NAME::Key;
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 #define DUMMY_MACHINE_FUNCTION_PASS(NAME, PASS_NAME, CONSTRUCTOR)              \
   MachinePassKey PASS_NAME::Key;
 #define DUMMY_MACHINE_FUNCTION_ANALYSIS(NAME, PASS_NAME, CONSTRUCTOR)          \
   AnalysisKey PASS_NAME::Key;
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 } // namespace llvm

llvm/lib/CodeGen/CodeGenPassBuilder.cpp renamed to llvm/lib/Passes/CodeGenPassBuilder.cpp

@@ -400,7 +400,7 @@ PassBuilder::PassBuilder(TargetMachine *TM, PipelineTuningOptions PTO,
   PIC->addClassToPassName(PASS_NAME::name(), NAME);
 #define MACHINE_FUNCTION_PASS(NAME, PASS_NAME, CONSTRUCTOR)                    \
   PIC->addClassToPassName(PASS_NAME::name(), NAME);
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
   }
 }
 
@@ -441,7 +441,7 @@ void PassBuilder::registerMachineFunctionAnalyses(
 
 #define MACHINE_FUNCTION_ANALYSIS(NAME, PASS_NAME, CONSTRUCTOR)                \
   MFAM.registerPass([&] { return PASS_NAME(); });
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
   for (auto &C : MachineFunctionAnalysisRegistrationCallbacks)
     C(MFAM);
@@ -1868,7 +1868,7 @@ Error PassBuilder::parseMachinePass(MachineFunctionPassManager &MFPM,
     MFPM.addPass(PASS_NAME());                                                 \
     return Error::success();                                                   \
   }
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
   for (auto &C : MachinePipelineParsingCallbacks)
     if (C(Name, MFPM))
@@ -2179,17 +2179,17 @@ void PassBuilder::printPassNames(raw_ostream &OS) {
   OS << "Machine module passes (WIP):\n";
 #define MACHINE_MODULE_PASS(NAME, PASS_NAME, CONSTRUCTOR)                      \
   printPassName(NAME, OS);
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
   OS << "Machine function passes (WIP):\n";
 #define MACHINE_FUNCTION_PASS(NAME, PASS_NAME, CONSTRUCTOR)                    \
   printPassName(NAME, OS);
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 
   OS << "Machine function analyses (WIP):\n";
 #define MACHINE_FUNCTION_ANALYSIS(NAME, PASS_NAME, CONSTRUCTOR)                \
   printPassName(NAME, OS);
-#include "llvm/CodeGen/MachinePassRegistry.def"
+#include "llvm/Passes/MachinePassRegistry.def"
 }
 
 void PassBuilder::registerParseTopLevelPipelineCallback(

llvm/lib/Passes/PassBuilder.cpp

@@ -12,8 +12,8 @@
 
 #include "X86TargetMachine.h"
 
-#include "llvm/CodeGen/CodeGenPassBuilder.h"
 #include "llvm/MC/MCStreamer.h"
+#include "llvm/Passes/CodeGenPassBuilder.h"
 
 using namespace llvm;
 

llvm/lib/Target/X86/X86CodeGenPassBuilder.cpp

@@ -15,7 +15,6 @@
 #include "NewPMDriver.h"
 #include "llvm/Analysis/CGSCCPassManager.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
-#include "llvm/CodeGen/CodeGenPassBuilder.h"
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/MIRParser/MIRParser.h"
 #include "llvm/CodeGen/MIRPrinter.h"
@@ -30,6 +29,7 @@
 #include "llvm/IR/PassManager.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/IRReader/IRReader.h"
+#include "llvm/Passes/CodeGenPassBuilder.h" // TODO: Include pass headers properly.
 #include "llvm/Passes/PassBuilder.h"
 #include "llvm/Passes/StandardInstrumentations.h"
 #include "llvm/Support/CommandLine.h"