X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FAsmPrinterInlineAsm.cpp;h=793e62960dd632bd6a13ed9b790ed633e7f32129;hb=6970be03d16d6b4d0073e60c4a987f1860e85cdb;hp=e6e7c973c18f7c6a04581b7b7270d0db3cd15e46;hpb=9abdfd01703c9acfcbbdb160ab4d19e531f098e3;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp index e6e7c973c18..793e62960dd 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp @@ -73,7 +73,9 @@ static void srcMgrDiagHandler(const SMDiagnostic &Diag, void *diagInfo) { } /// EmitInlineAsm - Emit a blob of inline asm to the output streamer. -void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode, +void AsmPrinter::EmitInlineAsm(StringRef Str, const MCSubtargetInfo &STI, + const MCTargetOptions &MCOptions, + const MDNode *LocMDNode, InlineAsm::AsmDialect Dialect) const { assert(!Str.empty() && "Can't emit empty inline asm block"); @@ -90,20 +92,10 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode, const MCAsmInfo *MCAI = TM.getMCAsmInfo(); assert(MCAI && "No MCAsmInfo"); if (!MCAI->useIntegratedAssembler() && - !OutStreamer.isIntegratedAssemblerRequired()) { + !OutStreamer->isIntegratedAssemblerRequired()) { emitInlineAsmStart(); - OutStreamer.EmitRawText(Str); - // If we have a machine function then grab the MCSubtarget off of that, - // otherwise we're at the module level and want to construct one from - // the default CPU and target triple. - if (MF) { - emitInlineAsmEnd(MF->getSubtarget(), nullptr); - } else { - std::unique_ptr STI(TM.getTarget().createMCSubtargetInfo( - TM.getTargetTriple(), TM.getTargetCPU(), - TM.getTargetFeatureString())); - emitInlineAsmEnd(*STI, nullptr); - } + OutStreamer->EmitRawText(Str); + emitInlineAsmEnd(STI, nullptr); return; } @@ -133,21 +125,13 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode, SrcMgr.AddNewSourceBuffer(std::move(Buffer), SMLoc()); std::unique_ptr Parser( - createMCAsmParser(SrcMgr, OutContext, OutStreamer, *MAI)); - - // Initialize the parser with a fresh subtarget info. It is better to use a - // new STI here because the parser may modify it and we do not want those - // modifications to persist after parsing the inlineasm. The modifications - // made by the parser will be seen by the code emitters because it passes - // the current STI down to the EncodeInstruction() method. - std::unique_ptr STI(TM.getTarget().createMCSubtargetInfo( - TM.getTargetTriple(), TM.getTargetCPU(), TM.getTargetFeatureString())); - - // Preserve a copy of the original STI because the parser may modify it. For - // example, when switching between arm and thumb mode. If the target needs to - // emit code to return to the original state it can do so in + createMCAsmParser(SrcMgr, OutContext, *OutStreamer, *MAI)); + + // Create a temporary copy of the original STI because the parser may modify + // it. For example, when switching between arm and thumb mode. If the target + // needs to emit code to return to the original state it can do so in // emitInlineAsmEnd(). - MCSubtargetInfo STIOrig = *STI; + MCSubtargetInfo TmpSTI = STI; // We create a new MCInstrInfo here since we might be at the module level // and not have a MachineFunction to initialize the TargetInstrInfo from and @@ -155,7 +139,7 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode, // because it's not subtarget dependent. std::unique_ptr MII(TM.getTarget().createMCInstrInfo()); std::unique_ptr TAP(TM.getTarget().createMCAsmParser( - *STI, *Parser, *MII, TM.Options.MCOptions)); + TmpSTI, *Parser, *MII, MCOptions)); if (!TAP) report_fatal_error("Inline asm not supported by this streamer because" " we don't have an asm parser for this target\n"); @@ -170,7 +154,7 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode, // Don't implicitly switch to the text section before the asm. int Res = Parser->Run(/*NoInitialTextSection*/ true, /*NoFinalize*/ true); - emitInlineAsmEnd(STIOrig, STI.get()); + emitInlineAsmEnd(STI, &TmpSTI); if (Res && !HasDiagHandler) report_fatal_error("Error parsing inline asm\n"); } @@ -418,10 +402,11 @@ static void EmitGCCInlineAsmStr(const char *AsmStr, const MachineInstr *MI, unsigned OpFlags = MI->getOperand(OpNo).getImm(); ++OpNo; // Skip over the ID number. - if (Modifier[0] == 'l') // labels are target independent + if (Modifier[0] == 'l') { // Labels are target independent. // FIXME: What if the operand isn't an MBB, report error? - OS << *MI->getOperand(OpNo).getMBB()->getSymbol(); - else { + const MCSymbol *Sym = MI->getOperand(OpNo).getMBB()->getSymbol(); + Sym->print(OS, AP->MAI); + } else { if (InlineAsm::isMemKind(OpFlags)) { Error = AP->PrintAsmMemoryOperand(MI, OpNo, InlineAsmVariant, Modifier[0] ? Modifier : nullptr, @@ -465,14 +450,14 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const { // If this asmstr is empty, just print the #APP/#NOAPP markers. // These are useful to see where empty asm's wound up. if (AsmStr[0] == 0) { - OutStreamer.emitRawComment(MAI->getInlineAsmStart()); - OutStreamer.emitRawComment(MAI->getInlineAsmEnd()); + OutStreamer->emitRawComment(MAI->getInlineAsmStart()); + OutStreamer->emitRawComment(MAI->getInlineAsmEnd()); return; } // Emit the #APP start marker. This has to happen even if verbose-asm isn't // enabled, so we use emitRawComment. - OutStreamer.emitRawComment(MAI->getInlineAsmStart()); + OutStreamer->emitRawComment(MAI->getInlineAsmStart()); // Get the !srcloc metadata node if we have it, and decode the loc cookie from // it. @@ -505,11 +490,17 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const { else EmitMSInlineAsmStr(AsmStr, MI, MMI, InlineAsmVariant, AP, LocCookie, OS); - EmitInlineAsm(OS.str(), LocMD, MI->getInlineAsmDialect()); + // Reset SanitizeAddress based on the function's attribute. + MCTargetOptions MCOptions = TM.Options.MCOptions; + MCOptions.SanitizeAddress = + MF->getFunction()->hasFnAttribute(Attribute::SanitizeAddress); + + EmitInlineAsm(OS.str(), getSubtargetInfo(), MCOptions, LocMD, + MI->getInlineAsmDialect()); // Emit the #NOAPP end marker. This has to happen even if verbose-asm isn't // enabled, so we use emitRawComment. - OutStreamer.emitRawComment(MAI->getInlineAsmEnd()); + OutStreamer->emitRawComment(MAI->getInlineAsmEnd()); }