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reduce indentation by using an early exit.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76596 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-21 17:59:36 +00:00
parent c55db82cd0
commit e4d8408c57
1 changed files with 69 additions and 74 deletions
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143
lib/Target/XCore/XCoreAsmPrinter.cpp
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@ -136,87 +136,82 @@ emitArrayBound(const std::string &name, const GlobalVariable *GV)
}
}
void XCoreAsmPrinter::
emitGlobal(const GlobalVariable *GV)
{
void XCoreAsmPrinter::emitGlobal(const GlobalVariable *GV) {
// Check to see if this is a special global used by LLVM, if so, emit it.
if (!GV->hasInitializer() ||
EmitSpecialLLVMGlobal(GV))
return;
const TargetData *TD = TM.getTargetData();
SwitchToSection(TAI->SectionForGlobal(GV));
std::string name = Mang->getMangledName(GV);
Constant *C = GV->getInitializer();
unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
// Mark the start of the global
O << "\t.cc_top " << name << ".data," << name << "\n";
if (GV->hasInitializer()) {
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GV))
return;
SwitchToSection(TAI->SectionForGlobal(GV));
std::string name = Mang->getMangledName(GV);
Constant *C = GV->getInitializer();
unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
// Mark the start of the global
O << "\t.cc_top " << name << ".data," << name << "\n";
switch (GV->getLinkage()) {
case GlobalValue::AppendingLinkage:
llvm_report_error("AppendingLinkage is not supported by this target!");
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::ExternalLinkage:
emitArrayBound(name, GV);
emitGlobalDirective(name);
// TODO Use COMDAT groups for LinkOnceLinkage
if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
O << TAI->getWeakDefDirective() << name << "\n";
}
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
case GlobalValue::LinkerPrivateLinkage:
break;
case GlobalValue::GhostLinkage:
llvm_unreachable("Should not have any unmaterialized functions!");
case GlobalValue::DLLImportLinkage:
llvm_unreachable("DLLImport linkage is not supported by this target!");
case GlobalValue::DLLExportLinkage:
llvm_unreachable("DLLExport linkage is not supported by this target!");
default:
llvm_unreachable("Unknown linkage type!");
switch (GV->getLinkage()) {
case GlobalValue::AppendingLinkage:
llvm_report_error("AppendingLinkage is not supported by this target!");
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::ExternalLinkage:
emitArrayBound(name, GV);
emitGlobalDirective(name);
// TODO Use COMDAT groups for LinkOnceLinkage
if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
O << TAI->getWeakDefDirective() << name << "\n";
}
EmitAlignment(Align, GV, 2);
unsigned Size = TD->getTypeAllocSize(C->getType());
if (GV->isThreadLocal()) {
Size *= MaxThreads;
}
if (TAI->hasDotTypeDotSizeDirective()) {
O << "\t.type " << name << ",@object\n";
O << "\t.size " << name << "," << Size << "\n";
}
O << name << ":\n";
EmitGlobalConstant(C);
if (GV->isThreadLocal()) {
for (unsigned i = 1; i < MaxThreads; ++i) {
EmitGlobalConstant(C);
}
}
if (Size < 4) {
// The ABI requires that unsigned scalar types smaller than 32 bits
// are are padded to 32 bits.
EmitZeros(4 - Size);
}
// Mark the end of the global
O << "\t.cc_bottom " << name << ".data\n";
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
case GlobalValue::LinkerPrivateLinkage:
break;
case GlobalValue::GhostLinkage:
llvm_unreachable("Should not have any unmaterialized functions!");
case GlobalValue::DLLImportLinkage:
llvm_unreachable("DLLImport linkage is not supported by this target!");
case GlobalValue::DLLExportLinkage:
llvm_unreachable("DLLExport linkage is not supported by this target!");
default:
llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GV, 2);
unsigned Size = TD->getTypeAllocSize(C->getType());
if (GV->isThreadLocal()) {
Size *= MaxThreads;
}
if (TAI->hasDotTypeDotSizeDirective()) {
O << "\t.type " << name << ",@object\n";
O << "\t.size " << name << "," << Size << "\n";
}
O << name << ":\n";
EmitGlobalConstant(C);
if (GV->isThreadLocal()) {
for (unsigned i = 1; i < MaxThreads; ++i) {
EmitGlobalConstant(C);
}
}
if (Size < 4) {
// The ABI requires that unsigned scalar types smaller than 32 bits
// are are padded to 32 bits.
EmitZeros(4 - Size);
}
// Mark the end of the global
O << "\t.cc_bottom " << name << ".data\n";
}
/// Emit the directives on the start of functions
void XCoreAsmPrinter::
emitFunctionStart(MachineFunction &MF)
{
void XCoreAsmPrinter::emitFunctionStart(MachineFunction &MF) {
// Print out the label for the function.
const Function *F = MF.getFunction();