if (MMI)
MMI->AnalyzeModule(M);
DW = getAnalysisIfAvailable<DwarfWriter>();
- if (DW && MAI->doesSupportDebugInformation())
+ if (DW)
DW->BeginModule(&M, MMI, O, this, MAI);
return false;
const MCSection *S;
unsigned Alignment;
SmallVector<unsigned, 4> CPEs;
- SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {};
+ SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {}
};
}
/// EmitString - Emit a string with quotes and a null terminator.
/// Special characters are emitted properly.
/// \literal (Eg. '\t') \endliteral
-void AsmPrinter::EmitString(const std::string &String) const {
+void AsmPrinter::EmitString(const StringRef String) const {
EmitString(String.data(), String.size());
}
unsigned L = DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
CurDLT.Scope);
printLabel(L);
+ O << '\n';
DW->BeginScope(MI, L);
PrevDLT = CurDLT;
}
return true;
}
-MCSymbol *AsmPrinter::GetBlockAddressSymbol(const BlockAddress *BA) const {
- return GetBlockAddressSymbol(BA->getFunction(), BA->getBasicBlock());
+MCSymbol *AsmPrinter::GetBlockAddressSymbol(const BlockAddress *BA,
+ const char *Suffix) const {
+ return GetBlockAddressSymbol(BA->getFunction(), BA->getBasicBlock(), Suffix);
}
MCSymbol *AsmPrinter::GetBlockAddressSymbol(const Function *F,
- const BasicBlock *BB) const {
+ const BasicBlock *BB,
+ const char *Suffix) const {
assert(BB->hasName() &&
"Address of anonymous basic block not supported yet!");
SmallString<60> Name;
raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BA"
<< FuncName.size() << '_' << FuncName << '_'
- << Mang->makeNameProper(BB->getName());
+ << Mang->makeNameProper(BB->getName())
+ << Suffix;
return OutContext.GetOrCreateSymbol(Name.str());
}
// Print source line info.
O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << " SrcLine ";
- if (DLT.Scope) {
- DICompileUnit CU(DLT.Scope);
- if (!CU.isNull())
- O << CU.getFilename() << " ";
- }
- O << DLT.Line;
+ O << MAI->getCommentString() << ' ';
+ DIScope Scope(DLT.Scope);
+ // Omit the directory, because it's likely to be long and uninteresting.
+ if (!Scope.isNull())
+ O << Scope.getFilename();
+ else
+ O << "<unknown>";
+ O << ':' << DLT.Line;
if (DLT.Col != 0)
- O << ":" << DLT.Col;
+ O << ':' << DLT.Col;
Newline = true;
}
+ // Check for spills and reloads
+ int FI;
+
+ const MachineFrameInfo *FrameInfo =
+ MI.getParent()->getParent()->getFrameInfo();
+
+ // We assume a single instruction only has a spill or reload, not
+ // both.
+ const MachineMemOperand *MMO;
+ if (TM.getInstrInfo()->isLoadFromStackSlotPostFE(&MI, FI)) {
+ if (FrameInfo->isSpillSlotObjectIndex(FI)) {
+ MMO = *MI.memoperands_begin();
+ if (Newline) O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ' << MMO->getSize() << "-byte Reload";
+ Newline = true;
+ }
+ }
+ else if (TM.getInstrInfo()->hasLoadFromStackSlot(&MI, MMO, FI)) {
+ if (FrameInfo->isSpillSlotObjectIndex(FI)) {
+ if (Newline) O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' '
+ << MMO->getSize() << "-byte Folded Reload";
+ Newline = true;
+ }
+ }
+ else if (TM.getInstrInfo()->isStoreToStackSlotPostFE(&MI, FI)) {
+ if (FrameInfo->isSpillSlotObjectIndex(FI)) {
+ MMO = *MI.memoperands_begin();
+ if (Newline) O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ' << MMO->getSize() << "-byte Spill";
+ Newline = true;
+ }
+ }
+ else if (TM.getInstrInfo()->hasStoreToStackSlot(&MI, MMO, FI)) {
+ if (FrameInfo->isSpillSlotObjectIndex(FI)) {
+ if (Newline) O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' '
+ << MMO->getSize() << "-byte Folded Spill";
+ Newline = true;
+ }
+ }
+
+ // Check for spill-induced copies
+ unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx;
+ if (TM.getInstrInfo()->isMoveInstr(MI, SrcReg, DstReg,
+ SrcSubIdx, DstSubIdx)) {
+ if (MI.getAsmPrinterFlag(ReloadReuse)) {
+ if (Newline) O << '\n';
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << " Reload Reuse";
+ }
+ }
}
/// PrintChildLoopComment - Print comments about child loops within