Cleanup MCParser headers

As usual with that header cleanup series, some implicit dependencies now need to
be explicit:

llvm/MC/MCParser/MCAsmParser.h no longer includes llvm/MC/MCParser/MCAsmLexer.h

Preprocessed lines to build llvm on my setup:
after:  1068185081
before: 1068324320

So no compile time benefit to expect, but we still get the looser coupling
between files which is great.

Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D119359

llvm/include/llvm/MC/MCParser/MCAsmLexer.h

@@ -12,10 +12,8 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/MC/MCAsmMacro.h"
-#include <algorithm>
 #include <cassert>
 #include <cstddef>
-#include <cstdint>
 #include <string>
 
 namespace llvm {

llvm/include/llvm/MC/MCParser/MCAsmParser.h

@@ -10,20 +10,20 @@
 #define LLVM_MC_MCPARSER_MCASMPARSER_H
 
 #include "llvm/ADT/None.h"
-#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "llvm/MC/MCAsmMacro.h"
 #include "llvm/Support/SMLoc.h"
 #include <cstdint>
-#include <ctime>
 #include <string>
 #include <utility>
 
 namespace llvm {
 
+class MCAsmLexer;
 class MCAsmInfo;
 class MCAsmParserExtension;
 class MCContext;

llvm/include/llvm/MC/MCParser/MCAsmParserExtension.h

@@ -9,9 +9,8 @@
 #ifndef LLVM_MC_MCPARSER_MCASMPARSEREXTENSION_H
 #define LLVM_MC_MCPARSER_MCASMPARSEREXTENSION_H
 
-#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/Support/SMLoc.h"
 

llvm/include/llvm/MC/MCParser/MCTargetAsmParser.h

@@ -11,10 +11,8 @@
 
 #include "llvm/ADT/StringRef.h"
 #include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
+#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/MC/SubtargetFeature.h"
 #include "llvm/Support/SMLoc.h"
@@ -23,9 +21,12 @@
 
 namespace llvm {
 
+class MCContext;
 class MCInst;
+class MCInstrInfo;
 class MCStreamer;
 class MCSubtargetInfo;
+class MCSymbol;
 template <typename T> class SmallVectorImpl;
 
 using OperandVector = SmallVectorImpl<std::unique_ptr<MCParsedAsmOperand>>;

llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp

@@ -26,6 +26,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"

llvm/lib/MC/MCParser/AsmParser.cpp

@@ -33,7 +33,6 @@
 #include "llvm/MC/MCInstPrinter.h"
 #include "llvm/MC/MCInstrDesc.h"
 #include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/AsmCond.h"
 #include "llvm/MC/MCParser/AsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"

llvm/lib/MC/MCParser/COFFAsmParser.cpp

@@ -13,11 +13,8 @@
 #include "llvm/BinaryFormat/COFF.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/SectionKind.h"

llvm/lib/MC/MCParser/COFFMasmParser.cpp

@@ -7,26 +7,18 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/BinaryFormat/COFF.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCParser/MCAsmParserUtils.h"
-#include "llvm/MC/MCParser/MCTargetAsmParser.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbolCOFF.h"
 #include "llvm/MC/SectionKind.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/SMLoc.h"
-#include <cassert>
 #include <cstdint>
-#include <limits>
 #include <utility>
 
 using namespace llvm;

llvm/lib/MC/MCParser/DarwinAsmParser.cpp

@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
@@ -15,7 +14,6 @@
 #include "llvm/BinaryFormat/MachO.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
@@ -29,7 +27,6 @@
 #include "llvm/Support/SMLoc.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/raw_ostream.h"
-#include <algorithm>
 #include <cstddef>
 #include <cstdint>
 #include <string>

llvm/lib/MC/MCParser/ELFAsmParser.cpp

@@ -12,11 +12,9 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"

llvm/lib/MC/MCParser/GOFFAsmParser.cpp

@@ -7,15 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCSectionGOFF.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbolGOFF.h"
 
 using namespace llvm;
 

llvm/lib/MC/MCParser/MCAsmParserExtension.cpp

@@ -9,6 +9,7 @@
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCStreamer.h"
 
 using namespace llvm;

llvm/lib/MC/MCParser/MasmParser.cpp

@@ -14,7 +14,6 @@
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/STLExtras.h"
@@ -36,13 +35,11 @@
 #include "llvm/MC/MCInstPrinter.h"
 #include "llvm/MC/MCInstrDesc.h"
 #include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/AsmCond.h"
 #include "llvm/MC/MCParser/AsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCParser/MCAsmParserUtils.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCRegisterInfo.h"
@@ -51,7 +48,6 @@
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCTargetOptions.h"
-#include "llvm/MC/MCValue.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -65,7 +61,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <cassert>
-#include <cctype>
 #include <climits>
 #include <cstddef>
 #include <cstdint>

llvm/lib/MC/MCParser/WasmAsmParser.cpp

@@ -23,10 +23,8 @@
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
 #include "llvm/MC/MCSectionWasm.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCSymbolWasm.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/MachineValueType.h"
 
 using namespace llvm;
 

llvm/lib/MC/MCParser/XCOFFAsmParser.cpp

@@ -8,15 +8,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/BinaryFormat/XCOFF.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCSectionXCOFF.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCSymbolXCOFF.h"
-#include "llvm/Support/MachineValueType.h"
 
 using namespace llvm;
 

llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp

@@ -25,6 +25,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"

llvm/lib/Target/BPF/AsmParser/BPFAsmParser.cpp

@@ -13,6 +13,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"

llvm/lib/Target/MSP430/AsmParser/MSP430AsmParser.cpp

@@ -16,6 +16,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstBuilder.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"

llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp

@@ -25,6 +25,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstrDesc.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"

llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp

@@ -24,6 +24,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstBuilder.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"

llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp

@@ -16,6 +16,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"

llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp

@@ -19,6 +19,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstBuilder.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"

llvm/lib/Target/VE/AsmParser/VEAsmParser.cpp

@@ -17,6 +17,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"

llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp

@@ -24,6 +24,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCSectionWasm.h"

llvm/tools/llvm-exegesis/lib/SnippetFile.cpp

@@ -11,6 +11,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCInstPrinter.h"
 #include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCRegisterInfo.h"

llvm/tools/llvm-mca/CodeRegionGenerator.cpp

@@ -16,6 +16,7 @@
 #include "CodeRegionGenerator.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCTargetOptions.h"

llvm/unittests/MC/SystemZ/SystemZAsmLexerTest.cpp

@@ -7,7 +7,9 @@
 //===--------------------------------------------------------------------===//
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCStreamer.h"