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IRGen: Add code to support building fragile resilient protocol witnesses

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We don't currently support building resilient relative protocol witness tables.
One might want to build with relative witness tables but not need
resilient protocols. Allow for that scenario.

Add a test configuration to test library-evolution + fragile resilient
protocols + relative protocol witness tables.
This commit is contained in:
Arnold Schwaighofer
2024-03-07 09:05:13 -08:00
parent a79ee61896
commit ea70aea43c
14 changed files with 138 additions and 2 deletions
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4
lib/Frontend/CompilerInvocation.cpp
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@@ -3042,6 +3042,10 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
Args.hasFlag(OPT_enable_relative_protocol_witness_tables,
OPT_disable_relative_protocol_witness_tables,
Opts.UseRelativeProtocolWitnessTables);
Opts.UseFragileResilientProtocolWitnesses =
Args.hasFlag(OPT_enable_fragile_resilient_protocol_witnesses,
OPT_disable_fragile_resilient_protocol_witnesses,
Opts.UseFragileResilientProtocolWitnesses);
Opts.EnableLargeLoadableTypesReg2Mem =
Args.hasFlag(OPT_enable_large_loadable_types_reg2mem,
OPT_disable_large_loadable_types_reg2mem,