Automatic Reference Counting.
Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.
Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index c929b49..1324926 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -169,6 +169,8 @@
Res.push_back("-fno-use-cxa-atexit");
if (Opts.CXXCtorDtorAliases)
Res.push_back("-mconstructor-aliases");
+ if (Opts.ObjCAutoRefCountExceptions)
+ Res.push_back("-fobjc-arc-eh");
if (!Opts.DebugPass.empty()) {
Res.push_back("-mdebug-pass");
Res.push_back(Opts.DebugPass);
@@ -670,6 +672,10 @@
Res.push_back("-fobjc-gc-only");
}
}
+ if (Opts.ObjCAutoRefCount)
+ Res.push_back("-fobjc-arc");
+ if (Opts.ObjCNoAutoRefCountRuntime)
+ Res.push_back("-fobjc-no-arc-runtime");
if (!Opts.ObjCInferRelatedResultType)
Res.push_back("-fno-objc-infer-related-result-type");
@@ -951,6 +957,7 @@
(Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
+ Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
@@ -1480,17 +1487,26 @@
if (Args.hasArg(OPT_fno_operator_names))
Opts.CXXOperatorNames = 0;
+ if (Opts.ObjC1) {
+ if (Args.hasArg(OPT_fobjc_gc_only))
+ Opts.setGCMode(LangOptions::GCOnly);
+ else if (Args.hasArg(OPT_fobjc_gc))
+ Opts.setGCMode(LangOptions::HybridGC);
+ else if (Args.hasArg(OPT_fobjc_arc)) {
+ Opts.ObjCAutoRefCount = 1;
+ if (!Args.hasArg(OPT_fobjc_nonfragile_abi))
+ Diags.Report(diag::err_arc_nonfragile_abi);
+ if (Args.hasArg(OPT_fobjc_no_arc_runtime))
+ Opts.ObjCNoAutoRefCountRuntime = 1;
+ }
+
+ if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
+ Opts.ObjCInferRelatedResultType = 0;
+ }
+
if (Args.hasArg(OPT_fgnu89_inline))
Opts.GNUInline = 1;
- if (Args.hasArg(OPT_fobjc_gc_only))
- Opts.setGCMode(LangOptions::GCOnly);
- else if (Args.hasArg(OPT_fobjc_gc))
- Opts.setGCMode(LangOptions::HybridGC);
-
- if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
- Opts.ObjCInferRelatedResultType = 0;
-
if (Args.hasArg(OPT_fapple_kext)) {
if (!Opts.CPlusPlus)
Diags.Report(diag::warn_c_kext);
@@ -1715,6 +1731,19 @@
Opts.addRemappedFile(Split.first, Split.second);
}
+
+ if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) {
+ llvm::StringRef Name = A->getValue(Args);
+ unsigned Library = llvm::StringSwitch<unsigned>(Name)
+ .Case("libc++", ARCXX_libcxx)
+ .Case("libstdc++", ARCXX_libstdcxx)
+ .Case("none", ARCXX_nolib)
+ .Default(~0U);
+ if (Library == ~0U)
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
+ else
+ Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library;
+ }
}
static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,