[LPM] Group the addPreserved template with the non-template variants,

[oota-llvm.git] / include / llvm / MC / MCAsmInfo.h

diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h
index 1e9817ea48df7825e9388ae09c653c687be0d303..9bb0fa63c523f6a2d693fcad458e8dc264d2c348 100644 (file)
--- a/include/llvm/MC/MCAsmInfo.h
+++ b/include/llvm/MC/MCAsmInfo.h
@@ -18,7 +18,6 @@
 
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/MachineLocation.h"
 #include <cassert>
 #include <vector>
 
@@ -37,6 +36,7 @@ enum class EncodingType {
   ARM,     /// Windows NT (Windows on ARM)
   CE,      /// Windows CE ARM, PowerPC, SH3, SH4
   Itanium, /// Windows x64, Windows Itanium (IA-64)
+  X86,     /// Windows x86, uses no CFI, just EH tables
   MIPS = Alpha,
 };
 }
@@ -155,6 +155,10 @@ protected:
   /// Defaults to false.
   bool AllowAtInName;
 
+  /// If this is true, symbol names with invalid characters will be printed in
+  /// quotes.
+  bool SupportsQuotedNames;
+
   /// This is true if data region markers should be printed as
   /// ".data_region/.end_data_region" directives. If false, use "$d/$a" labels
   /// instead.
@@ -228,7 +232,7 @@ protected:
 
   /// True if the expression
   ///   .long f - g
-  /// uses an relocation but it can be supressed by writting
+  /// uses a relocation but it can be suppressed by writing
   ///   a = f - g
   ///   .long a
   bool SetDirectiveSuppressesReloc;
@@ -256,6 +260,10 @@ protected:
   /// argument and how it is interpreted.  Defaults to NoAlignment.
   LCOMM::LCOMMType LCOMMDirectiveAlignmentType;
 
+  // True if the target allows .align directives on functions. This is true for
+  // most targets, so defaults to true.
+  bool HasFunctionAlignment;
+
   /// True if the target has .type and .size directives, this is true for most
   /// ELF targets.  Defaults to true.
   bool HasDotTypeDotSizeDirective;
@@ -335,7 +343,7 @@ protected:
 
   std::vector<MCCFIInstruction> InitialFrameState;
 
-  //===--- Integrated Assembler State ----------------------------------===//
+  //===--- Integrated Assembler Information ----------------------------===//
 
   /// Should we use the integrated assembler?
   /// The integrated assembler should be enabled by default (by the
@@ -347,6 +355,10 @@ protected:
   /// Compress DWARF debug sections. Defaults to false.
   bool CompressDebugSections;
 
+  /// True if the integrated assembler should interpret 'a >> b' constant
+  /// expressions as logical rather than arithmetic.
+  bool UseLogicalShr;
+
 public:
   explicit MCAsmInfo();
   virtual ~MCAsmInfo();
@@ -380,7 +392,7 @@ public:
   /// Targets can implement this method to specify a section to switch to if the
   /// translation unit doesn't have any trampolines that require an executable
   /// stack.
-  virtual const MCSection *getNonexecutableStackSection(MCContext &Ctx) const {
+  virtual MCSection *getNonexecutableStackSection(MCContext &Ctx) const {
     return nullptr;
   }
 
@@ -398,6 +410,10 @@ public:
                                             unsigned Encoding,
                                             MCStreamer &Streamer) const;
 
+  /// Return true if the identifier \p Name does not need quotes to be
+  /// syntactically correct.
+  virtual bool isValidUnquotedName(StringRef Name) const;
+
   bool usesSunStyleELFSectionSwitchSyntax() const {
     return SunStyleELFSectionSwitchSyntax;
   }
@@ -448,6 +464,7 @@ public:
   const char *getCode64Directive() const { return Code64Directive; }
   unsigned getAssemblerDialect() const { return AssemblerDialect; }
   bool doesAllowAtInName() const { return AllowAtInName; }
+  bool supportsNameQuoting() const { return SupportsQuotedNames; }
   bool doesSupportDataRegionDirectives() const {
     return UseDataRegionDirectives;
   }
@@ -467,6 +484,7 @@ public:
   LCOMM::LCOMMType getLCOMMDirectiveAlignmentType() const {
     return LCOMMDirectiveAlignmentType;
   }
+  bool hasFunctionAlignment() const { return HasFunctionAlignment; }
   bool hasDotTypeDotSizeDirective() const { return HasDotTypeDotSizeDirective; }
   bool hasSingleParameterDotFile() const { return HasSingleParameterDotFile; }
   bool hasIdentDirective() const { return HasIdentDirective; }
@@ -497,12 +515,13 @@ public:
   /// frame information to unwind.
   bool usesCFIForEH() const {
     return (ExceptionsType == ExceptionHandling::DwarfCFI ||
-            ExceptionsType == ExceptionHandling::ARM ||
-            ExceptionsType == ExceptionHandling::WinEH);
+            ExceptionsType == ExceptionHandling::ARM || usesWindowsCFI());
   }
 
   bool usesWindowsCFI() const {
-    return ExceptionsType == ExceptionHandling::WinEH;
+    return ExceptionsType == ExceptionHandling::WinEH &&
+           (WinEHEncodingType != WinEH::EncodingType::Invalid &&
+            WinEHEncodingType != WinEH::EncodingType::X86);
   }
 
   bool doesDwarfUseRelocationsAcrossSections() const {
@@ -533,6 +552,8 @@ public:
   void setCompressDebugSections(bool CompressDebugSections) {
     this->CompressDebugSections = CompressDebugSections;
   }
+
+  bool shouldUseLogicalShr() const { return UseLogicalShr; }
 };
 }