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[Frontend] Add flag for pack metadata stack promo.

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This commit is contained in:
Nate Chandler
2023-05-26 09:05:57 -07:00
parent 0b5a233d73
commit e200f164a9
4 changed files with 48 additions and 0 deletions
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24
lib/Frontend/CompilerInvocation.cpp
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@@ -2066,6 +2066,30 @@ static bool ParseSILArgs(SILOptions &Opts, ArgList &Args,
if (specifiedDestroyHoistingOption)
Opts.DestroyHoisting = *specifiedDestroyHoistingOption;
Optional<bool> enablePackMetadataStackPromotionFlag;
if (Arg *A = Args.getLastArg(OPT_enable_pack_metadata_stack_promotion)) {
enablePackMetadataStackPromotionFlag =
llvm::StringSwitch<Optional<bool>>(A->getValue())
.Case("true", true)
.Case("false", false)
.Default(None);
}
if (Args.getLastArg(OPT_enable_pack_metadata_stack_promotion_noArg)) {
if (!enablePackMetadataStackPromotionFlag.value_or(true)) {
// Error if pack metadata stack promotion has been disabled via the
// meta-var form and enabled via the flag.
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_combination,
"enable-pack-metadata-stack-promotion",
"enable-pack-metadata-stack-promotion=false");
return true;
} else {
enablePackMetadataStackPromotionFlag = true;
}
}
if (enablePackMetadataStackPromotionFlag)
Opts.EnablePackMetadataStackPromotion =
enablePackMetadataStackPromotionFlag.value();
Opts.EnableARCOptimizations &= !Args.hasArg(OPT_disable_arc_opts);
Opts.EnableOSSAModules |= Args.hasArg(OPT_enable_ossa_modules);
Opts.EnableOSSAOptimizations &= !Args.hasArg(OPT_disable_ossa_opts);