#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
}
/// 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");
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<MCSubtargetInfo>(), nullptr);
- } else {
- std::unique_ptr<MCSubtargetInfo> STI(TM.getTarget().createMCSubtargetInfo(
- TM.getTargetTriple(), TM.getTargetCPU(),
- TM.getTargetFeatureString()));
- emitInlineAsmEnd(*STI, nullptr);
- }
+ OutStreamer->EmitRawText(Str);
+ emitInlineAsmEnd(STI, nullptr);
return;
}
SrcMgr.AddNewSourceBuffer(std::move(Buffer), SMLoc());
std::unique_ptr<MCAsmParser> 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<MCSubtargetInfo> 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
- // emitInlineAsmEnd().
- MCSubtargetInfo STIOrig = *STI;
-
- MCTargetOptions MCOptions;
- if (MF)
- MCOptions = MF->getTarget().Options.MCOptions;
- std::unique_ptr<MCTargetAsmParser> TAP(
- TM.getTarget().createMCAsmParser(*STI, *Parser, *MII, MCOptions));
+ createMCAsmParser(SrcMgr, OutContext, *OutStreamer, *MAI));
+
+ // 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
+ // we only need MCInstrInfo for asm parsing. We create one unconditionally
+ // because it's not subtarget dependent.
+ std::unique_ptr<MCInstrInfo> MII(TM.getTarget().createMCInstrInfo());
+ std::unique_ptr<MCTargetAsmParser> TAP(TM.getTarget().createMCAsmParser(
+ STI, *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");
// 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, &TAP->getSTI());
if (Res && !HasDiagHandler)
report_fatal_error("Error parsing inline asm\n");
}
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,
// 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.
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());
}
/// for their own strange codes.
void AsmPrinter::PrintSpecial(const MachineInstr *MI, raw_ostream &OS,
const char *Code) const {
- const DataLayout *DL = TM.getDataLayout();
if (!strcmp(Code, "private")) {
- OS << DL->getPrivateGlobalPrefix();
+ const DataLayout &DL = MF->getDataLayout();
+ OS << DL.getPrivateGlobalPrefix();
} else if (!strcmp(Code, "comment")) {
OS << MAI->getCommentString();
} else if (!strcmp(Code, "uid")) {
return true;
O << -MO.getImm();
return false;
+ case 's': // The GCC deprecated s modifier
+ if (MO.getType() != MachineOperand::MO_Immediate)
+ return true;
+ O << ((32 - MO.getImm()) & 31);
+ return false;
}
}
return true;
projects / oota-llvm.git / blobdiff