compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h

   1 #include "llvm-c/BitReader.h"
   2 #include "llvm-c/Core.h"
   3 #include "llvm-c/Object.h"
   4 #include "llvm/ADT/ArrayRef.h"
   5 #include "llvm/ADT/DenseSet.h"
   6 #include "llvm/ADT/SmallVector.h"
   7 #include "llvm/ADT/Triple.h"
   8 #include "llvm/Analysis/Lint.h"
   9 #include "llvm/Analysis/Passes.h"
  10 #include "llvm/IR/IRBuilder.h"
  11 #include "llvm/IR/InlineAsm.h"
  12 #include "llvm/IR/LLVMContext.h"
  13 #include "llvm/IR/Module.h"
  14 #include "llvm/Support/CommandLine.h"
  15 #include "llvm/Support/Debug.h"
  16 #include "llvm/Support/DynamicLibrary.h"
  17 #include "llvm/Support/FormattedStream.h"
  18 #include "llvm/Support/Host.h"
  19 #include "llvm/Support/Memory.h"
  20 #include "llvm/Support/SourceMgr.h"
  21 #include "llvm/Support/TargetRegistry.h"
  22 #include "llvm/Support/TargetSelect.h"
  23 #include "llvm/Support/Timer.h"
  24 #include "llvm/Support/raw_ostream.h"
  25 #include "llvm/Target/TargetMachine.h"
  26 #include "llvm/Target/TargetOptions.h"
  27 #include "llvm/Transforms/IPO.h"
  28 #include "llvm/Transforms/Instrumentation.h"
  29 #include "llvm/Transforms/Scalar.h"
  30 #include "llvm/Transforms/Vectorize.h"
  31
  32 #define LLVM_VERSION_GE(major, minor)                                          \
  33   (LLVM_VERSION_MAJOR > (major) ||                                             \
  34    LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR >= (minor))
  35
  36 #define LLVM_VERSION_EQ(major, minor)                                          \
  37   (LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR == (minor))
  38
  39 #define LLVM_VERSION_LE(major, minor)                                          \
  40   (LLVM_VERSION_MAJOR < (major) ||                                             \
  41    LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR <= (minor))
  42
  43 #define LLVM_VERSION_LT(major, minor) (!LLVM_VERSION_GE((major), (minor)))
  44
  45 #include "llvm/IR/LegacyPassManager.h"
  46
  47 #include "llvm/Bitcode/BitcodeReader.h"
  48 #include "llvm/Bitcode/BitcodeWriter.h"
  49
  50 #include "llvm/IR/DIBuilder.h"
  51 #include "llvm/IR/DebugInfo.h"
  52 #include "llvm/IR/IRPrintingPasses.h"
  53 #include "llvm/Linker/Linker.h"
  54
  55 extern "C" void LLVMRustSetLastError(const char *);
  56
  57 enum class LLVMRustResult { Success, Failure };
  58
  59 enum LLVMRustAttribute {
  60   AlwaysInline = 0,
  61   ByVal = 1,
  62   Cold = 2,
  63   InlineHint = 3,
  64   MinSize = 4,
  65   Naked = 5,
  66   NoAlias = 6,
  67   NoCapture = 7,
  68   NoInline = 8,
  69   NonNull = 9,
  70   NoRedZone = 10,
  71   NoReturn = 11,
  72   NoUnwind = 12,
  73   OptimizeForSize = 13,
  74   ReadOnly = 14,
  75   SExt = 15,
  76   StructRet = 16,
  77   UWTable = 17,
  78   ZExt = 18,
  79   InReg = 19,
  80   SanitizeThread = 20,
  81   SanitizeAddress = 21,
  82   SanitizeMemory = 22,
  83   NonLazyBind = 23,
  84   OptimizeNone = 24,
  85   ReturnsTwice = 25,
  86   ReadNone = 26,
  87   InaccessibleMemOnly = 27,
  88 };
  89
  90 typedef struct OpaqueRustString *RustStringRef;
  91 typedef struct LLVMOpaqueTwine *LLVMTwineRef;
  92 typedef struct LLVMOpaqueSMDiagnostic *LLVMSMDiagnosticRef;
  93
  94 extern "C" void LLVMRustStringWriteImpl(RustStringRef Str, const char *Ptr,
  95                                         size_t Size);
  96
  97 class RawRustStringOstream : public llvm::raw_ostream {
  98   RustStringRef Str;
  99   uint64_t Pos;
 100
 101   void write_impl(const char *Ptr, size_t Size) override {
 102     LLVMRustStringWriteImpl(Str, Ptr, Size);
 103     Pos += Size;
 104   }
 105
 106   uint64_t current_pos() const override { return Pos; }
 107
 108 public:
 109   explicit RawRustStringOstream(RustStringRef Str) : Str(Str), Pos(0) {}
 110
 111   ~RawRustStringOstream() {
 112     // LLVM requires this.
 113     flush();
 114   }
 115 };