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Stubbing out backdeploy library

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This patch gets everything to the point of building the library, but it
doesn't run yet since I have missing symbols.

Unlike previous compatibility libraries and the concurrency
compatibility library, I'm organizing the headers a bit more. This is
because we're merging the two libraries into one. They share some common
header names, and while I could rename them for namespacing purposes,
it's easier to just use a directory structure for this.

The `include/Runtime` and corresponding `Runtime/` directories are for
backdeployed changes to the stdlib itself.

The `include/Concurrency` and corresponding `Concurrency/` directories
are for backdeployed changes to the concurrency runtimes.
This commit is contained in:
Evan Wilde
2022-07-28 15:57:24 -07:00
parent 50b01fa66f
commit 2ac2249801
31 changed files with 4357 additions and 0 deletions
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2
lib/Frontend/CompilerInvocation.cpp
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@@ -2257,6 +2257,8 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
runtimeCompatibilityVersion = llvm::VersionTuple(5, 1);
} else if (version.equals("5.5")) {
runtimeCompatibilityVersion = llvm::VersionTuple(5, 5);
} else if (version.equals("5.6")) {
runtimeCompatibilityVersion = llvm::VersionTuple(5, 6);
} else {
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_value,
versionArg->getAsString(Args), version);