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Code Issues Projects Releases Wiki Activity

* Fix printing of signed immediate values (Nate Begeman)

Browse Source 
* Fix printing of `zeroinitializer'
* Fix printing of `linkonce' globals, complete with stubs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-07-21 20:11:11 +00:00
parent 1013ef5228
commit 97a296f743
3 changed files with 87 additions and 21 deletions
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36
lib/Target/PowerPC/PPC32AsmPrinter.cpp
View File

@ -52,7 +52,7 @@ namespace {
/// Name-mangler for global names.
///
Mangler *Mang;
std::set<std::string> FnStubs, GVStubs;
std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
@ -331,7 +331,12 @@ void Printer::emitGlobalConstant(const Constant *CV) {
case Type::FloatTyID: case Type::DoubleTyID:
assert (0 && "Should have already output floating point constant.");
default:
assert (0 && "Can't handle printing this type of thing");
if (CV == Constant::getNullValue(type)) { // Zero initializer?
O << ".space\t" << TD.getTypeSize(type) << "\n";
return;
}
std::cerr << "Can't handle printing: " << *CV;
abort();
break;
}
O << "\t";
@ -413,8 +418,11 @@ void Printer::printOp(const MachineOperand &MO,
return;
case MachineOperand::MO_SignExtendedImmed:
O << (short)MO.getImmedValue();
return;
case MachineOperand::MO_UnextendedImmed:
O << (int)MO.getImmedValue();
O << (unsigned short)MO.getImmedValue();
return;
case MachineOperand::MO_PCRelativeDisp:
@ -601,9 +609,8 @@ bool Printer::doFinalization(Module &M) {
unsigned Size = TD.getTypeSize(C->getType());
unsigned Align = TD.getTypeAlignment(C->getType());
if (C->isNullValue() &&
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage())) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
@ -616,13 +623,18 @@ bool Printer::doFinalization(Module &M) {
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
O << ".section __TEXT,__textcoal_nt,coalesced,no_toc\n"
<< ".weak_definition " << name << '\n'
<< ".private_extern " << name << '\n'
<< ".section __DATA,__datacoal_nt,coalesced,no_toc\n";
LinkOnceStubs.insert(name);
break;
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";
break;
case GlobalValue::AppendingLinkage:
// FIXME: appending linkage variables should go into a section of
// their name or something. For now, just emit them as external.
@ -645,6 +657,16 @@ bool Printer::doFinalization(Module &M) {
}
}
// Output stubs for link-once variables
if (LinkOnceStubs.begin() != LinkOnceStubs.end())
O << ".data\n.align 2\n";
for (std::set<std::string>::iterator i = LinkOnceStubs.begin(),
e = LinkOnceStubs.end(); i != e; ++i)
{
O << *i << "$non_lazy_ptr:\n"
<< "\t.long\t" << *i << '\n';
}
// Output stubs for dynamically-linked functions
for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i)

36
lib/Target/PowerPC/PPCAsmPrinter.cpp
View File

@ -52,7 +52,7 @@ namespace {
/// Name-mangler for global names.
///
Mangler *Mang;
std::set<std::string> FnStubs, GVStubs;
std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
@ -331,7 +331,12 @@ void Printer::emitGlobalConstant(const Constant *CV) {
case Type::FloatTyID: case Type::DoubleTyID:
assert (0 && "Should have already output floating point constant.");
default:
assert (0 && "Can't handle printing this type of thing");
if (CV == Constant::getNullValue(type)) { // Zero initializer?
O << ".space\t" << TD.getTypeSize(type) << "\n";
return;
}
std::cerr << "Can't handle printing: " << *CV;
abort();
break;
}
O << "\t";
@ -413,8 +418,11 @@ void Printer::printOp(const MachineOperand &MO,
return;
case MachineOperand::MO_SignExtendedImmed:
O << (short)MO.getImmedValue();
return;
case MachineOperand::MO_UnextendedImmed:
O << (int)MO.getImmedValue();
O << (unsigned short)MO.getImmedValue();
return;
case MachineOperand::MO_PCRelativeDisp:
@ -601,9 +609,8 @@ bool Printer::doFinalization(Module &M) {
unsigned Size = TD.getTypeSize(C->getType());
unsigned Align = TD.getTypeAlignment(C->getType());
if (C->isNullValue() &&
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage())) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
@ -616,13 +623,18 @@ bool Printer::doFinalization(Module &M) {
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
O << ".section __TEXT,__textcoal_nt,coalesced,no_toc\n"
<< ".weak_definition " << name << '\n'
<< ".private_extern " << name << '\n'
<< ".section __DATA,__datacoal_nt,coalesced,no_toc\n";
LinkOnceStubs.insert(name);
break;
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";
break;
case GlobalValue::AppendingLinkage:
// FIXME: appending linkage variables should go into a section of
// their name or something. For now, just emit them as external.
@ -645,6 +657,16 @@ bool Printer::doFinalization(Module &M) {
}
}
// Output stubs for link-once variables
if (LinkOnceStubs.begin() != LinkOnceStubs.end())
O << ".data\n.align 2\n";
for (std::set<std::string>::iterator i = LinkOnceStubs.begin(),
e = LinkOnceStubs.end(); i != e; ++i)
{
O << *i << "$non_lazy_ptr:\n"
<< "\t.long\t" << *i << '\n';
}
// Output stubs for dynamically-linked functions
for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i)

36
lib/Target/PowerPC/PowerPCAsmPrinter.cpp
View File

@ -52,7 +52,7 @@ namespace {
/// Name-mangler for global names.
///
Mangler *Mang;
std::set<std::string> FnStubs, GVStubs;
std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
@ -331,7 +331,12 @@ void Printer::emitGlobalConstant(const Constant *CV) {
case Type::FloatTyID: case Type::DoubleTyID:
assert (0 && "Should have already output floating point constant.");
default:
assert (0 && "Can't handle printing this type of thing");
if (CV == Constant::getNullValue(type)) { // Zero initializer?
O << ".space\t" << TD.getTypeSize(type) << "\n";
return;
}
std::cerr << "Can't handle printing: " << *CV;
abort();
break;
}
O << "\t";
@ -413,8 +418,11 @@ void Printer::printOp(const MachineOperand &MO,
return;
case MachineOperand::MO_SignExtendedImmed:
O << (short)MO.getImmedValue();
return;
case MachineOperand::MO_UnextendedImmed:
O << (int)MO.getImmedValue();
O << (unsigned short)MO.getImmedValue();
return;
case MachineOperand::MO_PCRelativeDisp:
@ -601,9 +609,8 @@ bool Printer::doFinalization(Module &M) {
unsigned Size = TD.getTypeSize(C->getType());
unsigned Align = TD.getTypeAlignment(C->getType());
if (C->isNullValue() &&
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage())) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
@ -616,13 +623,18 @@ bool Printer::doFinalization(Module &M) {
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
O << ".section __TEXT,__textcoal_nt,coalesced,no_toc\n"
<< ".weak_definition " << name << '\n'
<< ".private_extern " << name << '\n'
<< ".section __DATA,__datacoal_nt,coalesced,no_toc\n";
LinkOnceStubs.insert(name);
break;
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";
break;
case GlobalValue::AppendingLinkage:
// FIXME: appending linkage variables should go into a section of
// their name or something. For now, just emit them as external.
@ -645,6 +657,16 @@ bool Printer::doFinalization(Module &M) {
}
}
// Output stubs for link-once variables
if (LinkOnceStubs.begin() != LinkOnceStubs.end())
O << ".data\n.align 2\n";
for (std::set<std::string>::iterator i = LinkOnceStubs.begin(),
e = LinkOnceStubs.end(); i != e; ++i)
{
O << *i << "$non_lazy_ptr:\n"
<< "\t.long\t" << *i << '\n';
}
// Output stubs for dynamically-linked functions
for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i)