1 files changed, 40 insertions, 5 deletions

diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h
index 384584ef4ef0e..e6ed5688d18d5 100644
--- a/include/llvm/MC/MCAsmInfo.h
+++ b/include/llvm/MC/MCAsmInfo.h
@@ -53,6 +53,12 @@ namespace LCOMM {
 enum LCOMMType { NoAlignment, ByteAlignment, Log2Alignment };
 }
 
+enum class DebugCompressionType {
+  DCT_None,    // no compression
+  DCT_Zlib,    // zlib style complession
+  DCT_ZlibGnu  // zlib-gnu style compression
+};
+
 /// This class is intended to be used as a base class for asm
 /// properties and features specific to the target.
 class MCAsmInfo {
@@ -280,6 +286,10 @@ protected:
   /// to false.
   bool HasNoDeadStrip;
 
+  /// True if this target supports the MachO .alt_entry directive.  Defaults to
+  /// false.
+  bool HasAltEntry;
+
   /// Used to declare a global as being a weak symbol. Defaults to ".weak".
   const char *WeakDirective;
 
@@ -352,13 +362,20 @@ protected:
   /// construction (see LLVMTargetMachine::initAsmInfo()).
   bool UseIntegratedAssembler;
 
-  /// Compress DWARF debug sections. Defaults to false.
-  bool CompressDebugSections;
+  /// Preserve Comments in assembly
+  bool PreserveAsmComments;
+
+  /// Compress DWARF debug sections. Defaults to no compression.
+  DebugCompressionType CompressDebugSections;
 
   /// True if the integrated assembler should interpret 'a >> b' constant
   /// expressions as logical rather than arithmetic.
   bool UseLogicalShr;
 
+  // If true, emit GOTPCRELX/REX_GOTPCRELX instead of GOTPCREL, on
+  // X86_64 ELF.
+  bool RelaxELFRelocations = true;
+
 public:
   explicit MCAsmInfo();
   virtual ~MCAsmInfo();
@@ -483,7 +500,7 @@ public:
   bool getAlignmentIsInBytes() const { return AlignmentIsInBytes; }
   unsigned getTextAlignFillValue() const { return TextAlignFillValue; }
   const char *getGlobalDirective() const { return GlobalDirective; }
-  bool doesSetDirectiveSuppressesReloc() const {
+  bool doesSetDirectiveSuppressReloc() const {
     return SetDirectiveSuppressesReloc;
   }
   bool hasAggressiveSymbolFolding() const { return HasAggressiveSymbolFolding; }
@@ -498,6 +515,7 @@ public:
   bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; }
   bool hasIdentDirective() const { return HasIdentDirective; }
   bool hasNoDeadStrip() const { return HasNoDeadStrip; }
+  bool hasAltEntry() const { return HasAltEntry; }
   const char *getWeakDirective() const { return WeakDirective; }
   const char *getWeakRefDirective() const { return WeakRefDirective; }
   bool hasWeakDefDirective() const { return HasWeakDefDirective; }
@@ -520,6 +538,10 @@ public:
   ExceptionHandling getExceptionHandlingType() const { return ExceptionsType; }
   WinEH::EncodingType getWinEHEncodingType() const { return WinEHEncodingType; }
 
+  void setExceptionsType(ExceptionHandling EH) {
+    ExceptionsType = EH;
+  }
+
   /// Returns true if the exception handling method for the platform uses call
   /// frame information to unwind.
   bool usesCFIForEH() const {
@@ -556,13 +578,26 @@ public:
     UseIntegratedAssembler = Value;
   }
 
-  bool compressDebugSections() const { return CompressDebugSections; }
+  /// Return true if assembly (inline or otherwise) should be parsed.
+  bool preserveAsmComments() const { return PreserveAsmComments; }
+
+  /// Set whether assembly (inline or otherwise) should be parsed.
+  virtual void setPreserveAsmComments(bool Value) {
+    PreserveAsmComments = Value;
+  }
 
-  void setCompressDebugSections(bool CompressDebugSections) {
+  DebugCompressionType compressDebugSections() const {
+    return CompressDebugSections;
+  }
+
+  void setCompressDebugSections(DebugCompressionType CompressDebugSections) {
     this->CompressDebugSections = CompressDebugSections;
   }
 
   bool shouldUseLogicalShr() const { return UseLogicalShr; }
+
+  bool canRelaxRelocations() const { return RelaxELFRelocations; }
+  void setRelaxELFRelocations(bool V) { RelaxELFRelocations = V; }
 };
 }