diff options
| -rw-r--r-- | lib/Target/PIC16/PIC16AsmPrinter.cpp | 34 | ||||
| -rw-r--r-- | lib/Target/PIC16/PIC16AsmPrinter.h | 1 | ||||
| -rw-r--r-- | lib/Target/PIC16/PIC16TargetAsmInfo.h | 6 |
3 files changed, 40 insertions, 1 deletions
diff --git a/lib/Target/PIC16/PIC16AsmPrinter.cpp b/lib/Target/PIC16/PIC16AsmPrinter.cpp index b42ee45..58795a1 100644 --- a/lib/Target/PIC16/PIC16AsmPrinter.cpp +++ b/lib/Target/PIC16/PIC16AsmPrinter.cpp @@ -280,6 +280,7 @@ void PIC16AsmPrinter::EmitRomData (Module &M) bool PIC16AsmPrinter::doFinalization(Module &M) { printLibcallDecls(); + EmitRemainingAutos(); DbgInfo.EmitVarDebugInfo(M); DbgInfo.EmitEOF(); O << "\n\t" << "END\n"; @@ -383,6 +384,8 @@ void PIC16AsmPrinter::EmitAutos (std::string FunctName) for (unsigned i = 0; i < AutosSections.size(); i++) { O << "\n"; if (AutosSections[i]->S_->getName() == SectionName) { + // Set the printing status to true + AutosSections[i]->setPrintedStatus(true); SwitchToSection(AutosSections[i]->S_); std::vector<const GlobalVariable*> Items = AutosSections[i]->Items; for (unsigned j = 0; j < Items.size(); j++) { @@ -398,3 +401,34 @@ void PIC16AsmPrinter::EmitAutos (std::string FunctName) } } +// Print autos that were not printed during the code printing of functions. +// As the functions might themselves would have got deleted by the optimizer. +void PIC16AsmPrinter::EmitRemainingAutos() +{ + const TargetData *TD = TM.getTargetData(); + + // Now print Autos section for this function. + std::vector <PIC16Section *>AutosSections = PTAI->AutosSections; + for (unsigned i = 0; i < AutosSections.size(); i++) { + + // if the section is already printed then don't print again + if (AutosSections[i]->isPrinted()) + continue; + + // Set status as printed + AutosSections[i]->setPrintedStatus(true); + + O << "\n"; + SwitchToSection(AutosSections[i]->S_); + std::vector<const GlobalVariable*> Items = AutosSections[i]->Items; + for (unsigned j = 0; j < Items.size(); j++) { + std::string VarName = Mang->getValueName(Items[j]); + Constant *C = Items[j]->getInitializer(); + const Type *Ty = C->getType(); + unsigned Size = TD->getTypeAllocSize(Ty); + // Emit memory reserve directive. + O << VarName << " RES " << Size << "\n"; + } + } +} + diff --git a/lib/Target/PIC16/PIC16AsmPrinter.h b/lib/Target/PIC16/PIC16AsmPrinter.h index 2545dfd..8bdcf72 100644 --- a/lib/Target/PIC16/PIC16AsmPrinter.h +++ b/lib/Target/PIC16/PIC16AsmPrinter.h @@ -52,6 +52,7 @@ namespace llvm { void EmitIData (Module &M); void EmitUData (Module &M); void EmitAutos (std::string FunctName); + void EmitRemainingAutos (); void EmitRomData (Module &M); void EmitFunctionFrame(MachineFunction &MF); void printLibcallDecls(void); diff --git a/lib/Target/PIC16/PIC16TargetAsmInfo.h b/lib/Target/PIC16/PIC16TargetAsmInfo.h index e464e36..b7292b8 100644 --- a/lib/Target/PIC16/PIC16TargetAsmInfo.h +++ b/lib/Target/PIC16/PIC16TargetAsmInfo.h @@ -33,9 +33,13 @@ namespace llvm { struct PIC16Section { const Section *S_; // Connection to actual Section. unsigned Size; // Total size of the objects contained. + bool SectionPrinted; std::vector<const GlobalVariable*> Items; - PIC16Section (const Section *s) { S_ = s; Size = 0; } + PIC16Section (const Section *s) { S_ = s; Size = 0; + SectionPrinted = false;} + bool isPrinted() { return SectionPrinted ; } + void setPrintedStatus(bool status) { SectionPrinted = status ;} }; struct PIC16TargetAsmInfo : public TargetAsmInfo { |