diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2009-02-26 22:39:37 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2009-02-26 22:39:37 +0000 |
| commit | e8e260039346695beaa15af3e64ba38a64a1c30b (patch) | |
| tree | a5b7147a98a8140d322ddb9cf1ca57dbe24966a5 /Driver | |
| parent | 21228b7753c6579d1ea273b52316239bf059ab75 (diff) | |
| download | clang-e8e260039346695beaa15af3e64ba38a64a1c30b.tar.gz | |
Add -emit-llvm-only option (generate LLVM IR & run passes, but discard
output).
- For timing IRgen phase.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65580 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'Driver')
| -rw-r--r-- | Driver/ASTConsumers.h | 3 | ||||
| -rw-r--r-- | Driver/Backend.cpp | 3 | ||||
| -rw-r--r-- | Driver/clang.cpp | 8 |
3 files changed, 12 insertions, 2 deletions
diff --git a/Driver/ASTConsumers.h b/Driver/ASTConsumers.h index 34c9fb246e..670f8dc190 100644 --- a/Driver/ASTConsumers.h +++ b/Driver/ASTConsumers.h @@ -48,7 +48,8 @@ ASTConsumer *CreateCodeRewriterTest(const std::string& InFile, enum BackendAction { Backend_EmitAssembly, Backend_EmitBC, - Backend_EmitLL + Backend_EmitLL, + Backend_EmitNothing }; ASTConsumer *CreateBackendConsumer(BackendAction Action, Diagnostic &Diags, diff --git a/Driver/Backend.cpp b/Driver/Backend.cpp index 8cffae0748..3c7c1bc028 100644 --- a/Driver/Backend.cpp +++ b/Driver/Backend.cpp @@ -181,6 +181,9 @@ FunctionPassManager *BackendConsumer::getPerFunctionPasses() const { } bool BackendConsumer::AddEmitPasses(std::string &Error) { + if (Action == Backend_EmitNothing) + return true; + if (OutputFile == "-" || (InputFile == "-" && OutputFile.empty())) { AsmOutStream = new raw_stdout_ostream(); sys::Program::ChangeStdoutToBinary(); diff --git a/Driver/clang.cpp b/Driver/clang.cpp index d17f77b0a8..6fdd18af6b 100644 --- a/Driver/clang.cpp +++ b/Driver/clang.cpp @@ -86,6 +86,7 @@ enum ProgActions { EmitAssembly, // Emit a .s file. EmitLLVM, // Emit a .ll file. EmitBC, // Emit a .bc file. + EmitLLVMOnly, // Generate LLVM IR, but do not SerializeAST, // Emit a .ast file. EmitHTML, // Translate input source into HTML. ASTPrint, // Parse ASTs and print them. @@ -143,6 +144,8 @@ ProgAction(llvm::cl::desc("Choose output type:"), llvm::cl::ZeroOrMore, "Build ASTs then convert to LLVM, emit .ll file"), clEnumValN(EmitBC, "emit-llvm-bc", "Build ASTs then convert to LLVM, emit .bc file"), + clEnumValN(EmitLLVMOnly, "emit-llvm-only", + "Build ASTs and convert to LLVM, discarding output"), clEnumValN(SerializeAST, "serialize", "Build ASTs and emit .ast file"), clEnumValN(RewriteTest, "rewrite-test", @@ -1297,12 +1300,15 @@ static ASTConsumer *CreateASTConsumer(const std::string& InFile, case EmitAssembly: case EmitLLVM: - case EmitBC: { + case EmitBC: + case EmitLLVMOnly: { BackendAction Act; if (ProgAction == EmitAssembly) Act = Backend_EmitAssembly; else if (ProgAction == EmitLLVM) Act = Backend_EmitLL; + else if (ProgAction == EmitLLVMOnly) + Act = Backend_EmitNothing; else Act = Backend_EmitBC; |