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[Driver] make Swift accept bitcode input.

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Thanks Jordan for reviewing the patches.
rdar://19048891


Swift SVN r25558
This commit is contained in:
Manman Ren
2015-02-26 19:31:09 +00:00
parent 6cb03eaed3
commit d39f8e49a8
9 changed files with 91 additions and 3 deletions
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13
lib/Frontend/CompilerInvocation.cpp
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@@ -72,6 +72,7 @@ SourceFileKind CompilerInvocation::getSourceFileKind() const {
case InputFileKind::IFK_SIL:
return SourceFileKind::SIL;
case InputFileKind::IFK_None:
case InputFileKind::IFK_LLVM_IR:
llvm_unreachable("Trying to convert from unsupported InputFileKind");
}
}
@@ -193,6 +194,16 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
TreatAsSIL = llvm::sys::path::extension(Input).endswith(SIL_EXTENSION);
}
// If we have exactly one input filename, and its extension is "bc" or "ll",
// treat the input as LLVM_IR.
bool TreatAsLLVM = false;
if (Opts.InputFilenames.size() == 1) {
StringRef Input(Opts.InputFilenames[0]);
TreatAsLLVM =
llvm::sys::path::extension(Input).endswith(LLVM_BC_EXTENSION) ||
llvm::sys::path::extension(Input).endswith(LLVM_IR_EXTENSION);
}
if (Opts.RequestedAction == FrontendOptions::REPL) {
if (!Opts.InputFilenames.empty()) {
Diags.diagnose(SourceLoc(), diag::error_repl_requires_no_input_files);
@@ -222,6 +233,8 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
if (TreatAsSIL)
Opts.InputKind = InputFileKind::IFK_SIL;
else if (TreatAsLLVM)
Opts.InputKind = InputFileKind::IFK_LLVM_IR;
else if (Args.hasArg(OPT_parse_as_library))
Opts.InputKind = InputFileKind::IFK_Swift_Library;
else if (Action == FrontendOptions::REPL)