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[Driver] refactor part of the code to getOutputKind.

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No functionaility change.

rdar://19048891


Swift SVN r25557
This commit is contained in:
Manman Ren
2015-02-26 19:25:00 +00:00
parent 7f668e7b49
commit 6cb03eaed3
1 changed files with 21 additions and 19 deletions
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40
tools/driver/frontend_main.cpp
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@@ -329,6 +329,25 @@ static bool printAsObjC(const std::string &path, Module *M,
return printAsObjC(out, M, bridgingHeader, requiredAccess);
}
/// Returns the OutputKind for the given Action.
static IRGenOutputKind getOutputKind(FrontendOptions::ActionType Action) {
switch (Action) {
case FrontendOptions::EmitIR:
return IRGenOutputKind::LLVMAssembly;
case FrontendOptions::EmitBC:
return IRGenOutputKind::LLVMBitcode;
case FrontendOptions::EmitAssembly:
return IRGenOutputKind::NativeAssembly;
case FrontendOptions::EmitObject:
return IRGenOutputKind::ObjectFile;
case FrontendOptions::Immediate:
return IRGenOutputKind::Module;
default:
llvm_unreachable("Unknown ActionType which requires IRGen");
return IRGenOutputKind::ObjectFile;
}
}
/// Performs the compile requested by the user.
/// \returns true on error
static bool performCompile(CompilerInstance &Instance,
@@ -530,22 +549,9 @@ static bool performCompile(CompilerInstance &Instance,
performSILCleanup(SM.get());
// TODO: remove once the frontend understands what action it should perform
switch (Action) {
case FrontendOptions::EmitIR:
IRGenOpts.OutputKind = IRGenOutputKind::LLVMAssembly;
break;
case FrontendOptions::EmitBC:
IRGenOpts.OutputKind = IRGenOutputKind::LLVMBitcode;
break;
case FrontendOptions::EmitAssembly:
IRGenOpts.OutputKind = IRGenOutputKind::NativeAssembly;
break;
case FrontendOptions::EmitObject:
IRGenOpts.OutputKind = IRGenOutputKind::ObjectFile;
break;
case FrontendOptions::Immediate: {
IRGenOpts.OutputKind = getOutputKind(Action);
if (Action == FrontendOptions::Immediate) {
assert(!PrimarySourceFile && "-i doesn't work in -primary-file mode");
IRGenOpts.OutputKind = IRGenOutputKind::Module;
IRGenOpts.UseJIT = true;
IRGenOpts.DebugInfoKind = IRGenDebugInfoKind::Normal;
const ProcessCmdLine &CmdLine = ProcessCmdLine(opts.ImmediateArgv.begin(),
@@ -554,10 +560,6 @@ static bool performCompile(CompilerInstance &Instance,
RunImmediately(Instance, CmdLine, IRGenOpts, Invocation.getSILOptions());
return false;
}
default:
llvm_unreachable("Unknown ActionType which requires IRGen");
return true;
}
// FIXME: We shouldn't need to use the global context here, but
// something is persisting across calls to performIRGeneration.