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Reduce casting and use a fully covered switch.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-10-23 21:24:34 +00:00
parent bb41c75ab5
commit 3873361e28
1 changed files with 14 additions and 9 deletions
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23
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -212,8 +212,10 @@ bool AsmPrinter::doInitialization(Module &M) {
llvm_unreachable("Unknown exception type.");
}
void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {
switch ((GlobalValue::LinkageTypes)Linkage) {
void AsmPrinter::EmitLinkage(unsigned L, MCSymbol *GVSym) const {
GlobalValue::LinkageTypes Linkage = (GlobalValue::LinkageTypes)L;
switch (Linkage) {
case GlobalValue::CommonLinkage:
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
@ -225,8 +227,7 @@ void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {
// .globl _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
if ((GlobalValue::LinkageTypes)Linkage !=
GlobalValue::LinkOnceODRAutoHideLinkage)
if (Linkage != GlobalValue::LinkOnceODRAutoHideLinkage)
// .weak_definition _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_WeakDefinition);
else
@ -239,7 +240,7 @@ void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {
// .weak _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);
}
break;
return;
case GlobalValue::DLLExportLinkage:
case GlobalValue::AppendingLinkage:
// FIXME: appending linkage variables should go into a section of
@ -248,14 +249,18 @@ void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {
// If external or appending, declare as a global symbol.
// .globl _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
break;
return;
case GlobalValue::PrivateLinkage:
case GlobalValue::InternalLinkage:
case GlobalValue::LinkerPrivateLinkage:
break;
default:
llvm_unreachable("Unknown linkage type!");
return;
case GlobalValue::AvailableExternallyLinkage:
llvm_unreachable("Should never emit this");
case GlobalValue::DLLImportLinkage:
case GlobalValue::ExternalWeakLinkage:
llvm_unreachable("Don't know how to emit these");
}
llvm_unreachable("Unknown linkage type!");
}