#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCParser/MCAsmParserExtension.h"
#include "llvm/MC/MCTargetOptions.h"
-
#include <memory>
namespace llvm {
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 {
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 {
bool isParsingInlineAsm () { return ParsingInlineAsm; }
void setParsingInlineAsm (bool Value) { ParsingInlineAsm = Value; }
+ MCTargetOptions getTargetOptions() const { return MCOptions; }
+
void setSemaCallback(MCAsmParserSemaCallback *Callback) {
SemaCallback = Callback;
}
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