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Use real types instead of "Self" for the IR value names of local type data.

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Since that's somewhat expensive, allow the generation of meaningful
IR value names to be efficiently controlled in IRGen.  By default,
enable meaningful value names only when generating .ll output.

I considered giving protocol witness tables the name T:Protocol
instead of T.Protocol, but decided that I didn't want to update that
many test cases.
This commit is contained in:
John McCall
2016-01-13 17:42:41 -08:00
parent b38b27cfac
commit f1682cd9a8
29 changed files with 190 additions and 96 deletions
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9
lib/IRGen/IRGenModule.cpp
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@@ -131,6 +131,15 @@ IRGenModule::IRGenModule(IRGenModuleDispatcher &dispatcher, SourceFile *SF,
Types(*new TypeConverter(*this))
{
dispatcher.addGenModule(SF, this);
// If the command line contains an explicit request about whether to add
// LLVM value names, honor it. Otherwise, add value names only if the
// final result is textual LLVM assembly.
if (Opts.HasValueNamesSetting) {
EnableValueNames = Opts.ValueNames;
} else {
EnableValueNames = (Opts.OutputKind == IRGenOutputKind::LLVMAssembly);
}
VoidTy = llvm::Type::getVoidTy(getLLVMContext());
Int1Ty = llvm::Type::getInt1Ty(getLLVMContext());