#include "llvm/ADT/SmallString.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
return Ret;
}
+// getIdentifierInfo - Given a Name and a range of tokens, find the associated
+// IdentifierInfo*.
+static IdentifierInfo *getIdentifierInfo(StringRef Name,
+ ArrayRef<Token> AsmToks,
+ unsigned Begin, unsigned End) {
+ for (unsigned i = Begin; i <= End; ++i) {
+ IdentifierInfo *II = AsmToks[i].getIdentifierInfo();
+ if (II && II->getName() == Name)
+ return II;
+ }
+ return 0;
+}
+
// getSpelling - Get the spelling of the AsmTok token.
static StringRef getSpelling(Sema &SemaRef, Token AsmTok) {
StringRef Asm;
llvm::MCInstPrinter *IP =
TheTarget->createMCInstPrinter(1, *MAI, *MII, *MRI, *STI);
- // Build the list of clobbers.
+ // Build the list of clobbers, outputs and inputs.
unsigned NumDefs = Desc.getNumDefs();
for (unsigned j = 0, e = Inst.getNumOperands(); j != e; ++j) {
const llvm::MCOperand &Op = Inst.getOperand(j);
return StmtError(Diag(AsmLoc, diag::err_asm_unknown_register_name) <<
Clobber);
ClobberRegs.insert(Reg);
+ continue;
+ }
+ // Expr/Input or Output.
+ if (Op.isExpr()) {
+ const llvm::MCExpr *Expr = Op.getExpr();
+ const llvm::MCSymbolRefExpr *SymRef;
+ if ((SymRef = dyn_cast<llvm::MCSymbolRefExpr>(Expr))) {
+ StringRef Name = SymRef->getSymbol().getName();
+ IdentifierInfo *II = getIdentifierInfo(Name, AsmToks, AsmTokRanges[i].first, AsmTokRanges[i].second);
+ if (II)
+ isDef ? Outputs.push_back(II) : Inputs.push_back(II);
+ }
}
}
}