diff options
Diffstat (limited to 'include/llvm/MC/MCTargetAsmParser.h')
-rw-r--r-- | include/llvm/MC/MCTargetAsmParser.h | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/include/llvm/MC/MCTargetAsmParser.h b/include/llvm/MC/MCTargetAsmParser.h index 384cc1b..cf92307 100644 --- a/include/llvm/MC/MCTargetAsmParser.h +++ b/include/llvm/MC/MCTargetAsmParser.h @@ -7,8 +7,8 @@ // //===----------------------------------------------------------------------===// -#ifndef LLVM_MC_TARGETPARSER_H -#define LLVM_MC_TARGETPARSER_H +#ifndef LLVM_MC_MCTARGETASMPARSER_H +#define LLVM_MC_MCTARGETASMPARSER_H #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCParser/MCAsmParserExtension.h" @@ -38,20 +38,22 @@ enum AsmRewriteKind { AOK_Input, // Rewrite in terms of $N. AOK_Output, // Rewrite in terms of $N. AOK_SizeDirective, // Add a sizing directive (e.g., dword ptr). + AOK_Label, // Rewrite local labels. AOK_Skip // Skip emission (e.g., offset/type operators). }; const char AsmRewritePrecedence [] = { 0, // AOK_Delete - 1, // AOK_Align - 1, // AOK_DotOperator - 1, // AOK_Emit - 3, // AOK_Imm - 3, // AOK_ImmPrefix - 2, // AOK_Input - 2, // AOK_Output - 4, // AOK_SizeDirective - 1 // AOK_Skip + 2, // AOK_Align + 2, // AOK_DotOperator + 2, // AOK_Emit + 4, // AOK_Imm + 4, // AOK_ImmPrefix + 3, // AOK_Input + 3, // AOK_Output + 5, // AOK_SizeDirective + 1, // AOK_Label + 2 // AOK_Skip }; struct AsmRewrite { @@ -59,9 +61,12 @@ struct AsmRewrite { SMLoc Loc; unsigned Len; unsigned Val; + StringRef Label; public: AsmRewrite(AsmRewriteKind kind, SMLoc loc, unsigned len = 0, unsigned val = 0) : Kind(kind), Loc(loc), Len(len), Val(val) {} + AsmRewrite(AsmRewriteKind kind, SMLoc loc, unsigned len, StringRef label) + : Kind(kind), Loc(loc), Len(len), Val(0), Label(label) {} }; struct ParseInstructionInfo { @@ -93,7 +98,7 @@ protected: // Can only create subclasses. MCTargetAsmParser(); /// AvailableFeatures - The current set of available features. - unsigned AvailableFeatures; + uint64_t AvailableFeatures; /// ParsingInlineAsm - Are we parsing ms-style inline assembly? bool ParsingInlineAsm; @@ -108,12 +113,14 @@ protected: // Can only create subclasses. public: virtual ~MCTargetAsmParser(); - unsigned getAvailableFeatures() const { return AvailableFeatures; } - void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; } + uint64_t getAvailableFeatures() const { return AvailableFeatures; } + void setAvailableFeatures(uint64_t Value) { AvailableFeatures = Value; } bool isParsingInlineAsm () { return ParsingInlineAsm; } void setParsingInlineAsm (bool Value) { ParsingInlineAsm = Value; } + MCTargetOptions getTargetOptions() const { return MCOptions; } + void setSemaCallback(MCAsmParserSemaCallback *Callback) { SemaCallback = Callback; } @@ -121,6 +128,9 @@ public: virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) = 0; + /// Sets frame register corresponding to the current MachineFunction. + virtual void SetFrameRegister(unsigned RegNo) {} + /// ParseInstruction - Parse one assembly instruction. /// /// The parser is positioned following the instruction name. The target @@ -161,9 +171,12 @@ public: /// explaining the match failure. virtual bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, OperandVector &Operands, MCStreamer &Out, - unsigned &ErrorInfo, + uint64_t &ErrorInfo, bool MatchingInlineAsm) = 0; + /// Allows targets to let registers opt out of clobber lists. + virtual bool OmitRegisterFromClobberLists(unsigned RegNo) { return false; } + /// Allow a target to add special case operand matching for things that /// tblgen doesn't/can't handle effectively. For example, literal /// immediates on ARM. TableGen expects a token operand, but the parser |