mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 19:29:31 +00:00
Use the shared AsmPrinter code for some basic stuff. No functionality
change except for fewer .section directives emitted git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24764 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
98abbfb2ef
commit
1dbed16fec
@ -18,6 +18,7 @@
|
||||
#include "llvm/DerivedTypes.h"
|
||||
#include "llvm/Module.h"
|
||||
#include "llvm/Assembly/Writer.h"
|
||||
#include "llvm/CodeGen/AsmPrinter.h"
|
||||
#include "llvm/CodeGen/MachineFunctionPass.h"
|
||||
#include "llvm/CodeGen/MachineConstantPool.h"
|
||||
#include "llvm/CodeGen/MachineInstr.h"
|
||||
@ -33,21 +34,8 @@ using namespace llvm;
|
||||
namespace {
|
||||
Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
|
||||
|
||||
struct SparcV8AsmPrinter : public MachineFunctionPass {
|
||||
/// Output stream on which we're printing assembly code.
|
||||
///
|
||||
std::ostream &O;
|
||||
|
||||
/// Target machine description which we query for reg. names, data
|
||||
/// layout, etc.
|
||||
///
|
||||
TargetMachine &TM;
|
||||
|
||||
/// Name-mangler for global names.
|
||||
///
|
||||
Mangler *Mang;
|
||||
|
||||
SparcV8AsmPrinter(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
|
||||
struct SparcV8AsmPrinter : public AsmPrinter {
|
||||
SparcV8AsmPrinter(std::ostream &O, TargetMachine &TM) : AsmPrinter(O, TM) {}
|
||||
|
||||
/// We name each basic block in a Function with a unique number, so
|
||||
/// that we can consistently refer to them later. This is cleared
|
||||
@ -56,12 +44,6 @@ namespace {
|
||||
typedef std::map<const Value *, unsigned> ValueMapTy;
|
||||
ValueMapTy NumberForBB;
|
||||
|
||||
/// Cache of mangled name for current function. This is
|
||||
/// recalculated at the beginning of each call to
|
||||
/// runOnMachineFunction().
|
||||
///
|
||||
std::string CurrentFnName;
|
||||
|
||||
virtual const char *getPassName() const {
|
||||
return "SparcV8 Assembly Printer";
|
||||
}
|
||||
@ -306,8 +288,8 @@ void SparcV8AsmPrinter::printConstantPool(MachineConstantPool *MCP) {
|
||||
|
||||
if (CP.empty()) return;
|
||||
|
||||
SwitchSection(".section \".rodata\"\n", 0);
|
||||
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
|
||||
O << "\t.section \".rodata\"\n";
|
||||
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
|
||||
<< "\n";
|
||||
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t!"
|
||||
@ -320,6 +302,8 @@ void SparcV8AsmPrinter::printConstantPool(MachineConstantPool *MCP) {
|
||||
/// method to print assembly for each instruction.
|
||||
///
|
||||
bool SparcV8AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
|
||||
SetupMachineFunction(MF);
|
||||
|
||||
// BBNumber is used here so that a given Printer will never give two
|
||||
// BBs the same name. (If you have a better way, please let me know!)
|
||||
static unsigned BBNumber = 0;
|
||||
@ -358,6 +342,7 @@ bool SparcV8AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
|
||||
// Print the assembly for the instruction.
|
||||
O << "\t";
|
||||
printInstruction(II);
|
||||
++EmittedInsts;
|
||||
}
|
||||
}
|
||||
|
||||
@ -426,21 +411,8 @@ bool SparcV8AsmPrinter::doInitialization(Module &M) {
|
||||
return false; // success
|
||||
}
|
||||
|
||||
// SwitchSection - Switch to the specified section of the executable if we are
|
||||
// not already in it!
|
||||
//
|
||||
static void SwitchSection(std::ostream &OS, std::string &CurSection,
|
||||
const char *NewSection) {
|
||||
if (CurSection != NewSection) {
|
||||
CurSection = NewSection;
|
||||
if (!CurSection.empty())
|
||||
OS << "\t.section \"" << NewSection << "\"\n";
|
||||
}
|
||||
}
|
||||
|
||||
bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
const TargetData &TD = TM.getTargetData();
|
||||
std::string CurSection;
|
||||
|
||||
// Print out module-level global variables here.
|
||||
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
|
||||
@ -454,7 +426,7 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
if (C->isNullValue() &&
|
||||
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
|
||||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
|
||||
SwitchSection(O, CurSection, ".data");
|
||||
SwitchSection(".data", I);
|
||||
if (I->hasInternalLinkage())
|
||||
O << "\t.local " << name << "\n";
|
||||
|
||||
@ -469,8 +441,9 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
|
||||
// Nonnull linkonce -> weak
|
||||
O << "\t.weak " << name << "\n";
|
||||
SwitchSection(O, CurSection, "");
|
||||
O << "\t.section\t\".llvm.linkonce.d." << name << "\",\"aw\",@progbits\n";
|
||||
SwitchSection("", I);
|
||||
O << "\t.section\t\".llvm.linkonce.d." << name
|
||||
<< "\",\"aw\",@progbits\n";
|
||||
break;
|
||||
|
||||
case GlobalValue::AppendingLinkage:
|
||||
@ -482,9 +455,9 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
// FALL THROUGH
|
||||
case GlobalValue::InternalLinkage:
|
||||
if (C->isNullValue())
|
||||
SwitchSection(O, CurSection, ".bss");
|
||||
SwitchSection(".bss", I);
|
||||
else
|
||||
SwitchSection(O, CurSection, ".data");
|
||||
SwitchSection(".data", I);
|
||||
break;
|
||||
case GlobalValue::GhostLinkage:
|
||||
std::cerr << "Should not have any unmaterialized functions!\n";
|
||||
@ -503,6 +476,6 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
}
|
||||
}
|
||||
|
||||
delete Mang;
|
||||
AsmPrinter::doFinalization(M);
|
||||
return false; // success
|
||||
}
|
||||
|
@ -18,6 +18,7 @@
|
||||
#include "llvm/DerivedTypes.h"
|
||||
#include "llvm/Module.h"
|
||||
#include "llvm/Assembly/Writer.h"
|
||||
#include "llvm/CodeGen/AsmPrinter.h"
|
||||
#include "llvm/CodeGen/MachineFunctionPass.h"
|
||||
#include "llvm/CodeGen/MachineConstantPool.h"
|
||||
#include "llvm/CodeGen/MachineInstr.h"
|
||||
@ -33,21 +34,8 @@ using namespace llvm;
|
||||
namespace {
|
||||
Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
|
||||
|
||||
struct SparcV8AsmPrinter : public MachineFunctionPass {
|
||||
/// Output stream on which we're printing assembly code.
|
||||
///
|
||||
std::ostream &O;
|
||||
|
||||
/// Target machine description which we query for reg. names, data
|
||||
/// layout, etc.
|
||||
///
|
||||
TargetMachine &TM;
|
||||
|
||||
/// Name-mangler for global names.
|
||||
///
|
||||
Mangler *Mang;
|
||||
|
||||
SparcV8AsmPrinter(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
|
||||
struct SparcV8AsmPrinter : public AsmPrinter {
|
||||
SparcV8AsmPrinter(std::ostream &O, TargetMachine &TM) : AsmPrinter(O, TM) {}
|
||||
|
||||
/// We name each basic block in a Function with a unique number, so
|
||||
/// that we can consistently refer to them later. This is cleared
|
||||
@ -56,12 +44,6 @@ namespace {
|
||||
typedef std::map<const Value *, unsigned> ValueMapTy;
|
||||
ValueMapTy NumberForBB;
|
||||
|
||||
/// Cache of mangled name for current function. This is
|
||||
/// recalculated at the beginning of each call to
|
||||
/// runOnMachineFunction().
|
||||
///
|
||||
std::string CurrentFnName;
|
||||
|
||||
virtual const char *getPassName() const {
|
||||
return "SparcV8 Assembly Printer";
|
||||
}
|
||||
@ -306,8 +288,8 @@ void SparcV8AsmPrinter::printConstantPool(MachineConstantPool *MCP) {
|
||||
|
||||
if (CP.empty()) return;
|
||||
|
||||
SwitchSection(".section \".rodata\"\n", 0);
|
||||
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
|
||||
O << "\t.section \".rodata\"\n";
|
||||
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
|
||||
<< "\n";
|
||||
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t!"
|
||||
@ -320,6 +302,8 @@ void SparcV8AsmPrinter::printConstantPool(MachineConstantPool *MCP) {
|
||||
/// method to print assembly for each instruction.
|
||||
///
|
||||
bool SparcV8AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
|
||||
SetupMachineFunction(MF);
|
||||
|
||||
// BBNumber is used here so that a given Printer will never give two
|
||||
// BBs the same name. (If you have a better way, please let me know!)
|
||||
static unsigned BBNumber = 0;
|
||||
@ -358,6 +342,7 @@ bool SparcV8AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
|
||||
// Print the assembly for the instruction.
|
||||
O << "\t";
|
||||
printInstruction(II);
|
||||
++EmittedInsts;
|
||||
}
|
||||
}
|
||||
|
||||
@ -426,21 +411,8 @@ bool SparcV8AsmPrinter::doInitialization(Module &M) {
|
||||
return false; // success
|
||||
}
|
||||
|
||||
// SwitchSection - Switch to the specified section of the executable if we are
|
||||
// not already in it!
|
||||
//
|
||||
static void SwitchSection(std::ostream &OS, std::string &CurSection,
|
||||
const char *NewSection) {
|
||||
if (CurSection != NewSection) {
|
||||
CurSection = NewSection;
|
||||
if (!CurSection.empty())
|
||||
OS << "\t.section \"" << NewSection << "\"\n";
|
||||
}
|
||||
}
|
||||
|
||||
bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
const TargetData &TD = TM.getTargetData();
|
||||
std::string CurSection;
|
||||
|
||||
// Print out module-level global variables here.
|
||||
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
|
||||
@ -454,7 +426,7 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
if (C->isNullValue() &&
|
||||
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
|
||||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
|
||||
SwitchSection(O, CurSection, ".data");
|
||||
SwitchSection(".data", I);
|
||||
if (I->hasInternalLinkage())
|
||||
O << "\t.local " << name << "\n";
|
||||
|
||||
@ -469,8 +441,9 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
|
||||
// Nonnull linkonce -> weak
|
||||
O << "\t.weak " << name << "\n";
|
||||
SwitchSection(O, CurSection, "");
|
||||
O << "\t.section\t\".llvm.linkonce.d." << name << "\",\"aw\",@progbits\n";
|
||||
SwitchSection("", I);
|
||||
O << "\t.section\t\".llvm.linkonce.d." << name
|
||||
<< "\",\"aw\",@progbits\n";
|
||||
break;
|
||||
|
||||
case GlobalValue::AppendingLinkage:
|
||||
@ -482,9 +455,9 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
// FALL THROUGH
|
||||
case GlobalValue::InternalLinkage:
|
||||
if (C->isNullValue())
|
||||
SwitchSection(O, CurSection, ".bss");
|
||||
SwitchSection(".bss", I);
|
||||
else
|
||||
SwitchSection(O, CurSection, ".data");
|
||||
SwitchSection(".data", I);
|
||||
break;
|
||||
case GlobalValue::GhostLinkage:
|
||||
std::cerr << "Should not have any unmaterialized functions!\n";
|
||||
@ -503,6 +476,6 @@ bool SparcV8AsmPrinter::doFinalization(Module &M) {
|
||||
}
|
||||
}
|
||||
|
||||
delete Mang;
|
||||
AsmPrinter::doFinalization(M);
|
||||
return false; // success
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user