[lld] r255819 - Move parsing of LLVM options to parse() method.

Rui Ueyama via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 16 13:10:36 PST 2015


On Wed, Dec 16, 2015 at 1:08 PM, Pete Cooper <peter_cooper at apple.com> wrote:

> Sorry, yeah will look right now.
>
> I did ‘check-lld’.  I forgot that doesn’t run the unit tests.
>

I believe it runs the unit tests as I also just did 'check-lld'.


>
> Pete
>
> On Dec 16, 2015, at 1:06 PM, Rui Ueyama <ruiu at google.com> wrote:
>
> It started failing with the following error. Can you take a look?
>
> -- Testing: 996 tests, 40 threads --
> Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90
> FAIL: lld-Unit :: DriverTests/DriverTests/DarwinLdParserTest.llvmOptions (937 of 996)
> ******************** TEST 'lld-Unit :: DriverTests/DriverTests/DarwinLdParserTest.llvmOptions' FAILED ********************
> Note: Google Test filter = DarwinLdParserTest.llvmOptions
> [==========] Running 1 test from 1 test case.
> [----------] Global test environment set-up.
> [----------] 1 test from DarwinLdParserTest
> [ RUN      ] DarwinLdParserTest.llvmOptions
> lld (LLVM option parsing): Unknown command line argument '-debug-only'.  Try: 'lld (LLVM option parsing) -help'
> lld (LLVM option parsing): Did you mean '-debug-pass'?
> lld (LLVM option parsing): Unknown command line argument 'foo'.  Try: 'lld (LLVM option parsing) -help'
>
>
> On Wed, Dec 16, 2015 at 12:53 PM, Pete Cooper via llvm-commits <
> llvm-commits at lists.llvm.org> wrote:
>
>> Author: pete
>> Date: Wed Dec 16 14:53:27 2015
>> New Revision: 255819
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=255819&view=rev
>> Log:
>> Move parsing of LLVM options to parse() method.
>>
>> We used to parse the LLVM options in Driver::link.  However, that is
>> after parse() where we load files.  By moving the LLVM option handling
>> earlier, we can add DEBUG() to code such as MachONormalizedFileToAtoms.cpp
>> and have it enabled correctly by '-mllvm --debug'.
>>
>> Modified:
>>     lld/trunk/include/lld/Driver/Driver.h
>>     lld/trunk/lib/Driver/CoreDriver.cpp
>>     lld/trunk/lib/Driver/DarwinLdDriver.cpp
>>     lld/trunk/lib/Driver/Driver.cpp
>>     lld/trunk/lib/Driver/GnuLdDriver.cpp
>>
>> Modified: lld/trunk/include/lld/Driver/Driver.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/include/lld/Driver/Driver.h?rev=255819&r1=255818&r2=255819&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/include/lld/Driver/Driver.h (original)
>> +++ lld/trunk/include/lld/Driver/Driver.h Wed Dec 16 14:53:27 2015
>> @@ -46,6 +46,9 @@ protected:
>>    static bool link(LinkingContext &context,
>>                     raw_ostream &diag = llvm::errs());
>>
>> +  /// Parses the LLVM options from the context.
>> +  static void parseLLVMOptions(const LinkingContext &context);
>> +
>>  private:
>>    Driver() = delete;
>>  };
>>
>> Modified: lld/trunk/lib/Driver/CoreDriver.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/CoreDriver.cpp?rev=255819&r1=255818&r2=255819&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/lib/Driver/CoreDriver.cpp (original)
>> +++ lld/trunk/lib/Driver/CoreDriver.cpp Wed Dec 16 14:53:27 2015
>> @@ -159,6 +159,8 @@ bool CoreDriver::parse(llvm::ArrayRef<co
>>      }
>>    }
>>
>> +  parseLLVMOptions(ctx);
>> +
>>    if (ctx.getNodes().empty()) {
>>      diagnostics << "No input files\n";
>>      return false;
>>
>> Modified: lld/trunk/lib/Driver/DarwinLdDriver.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/DarwinLdDriver.cpp?rev=255819&r1=255818&r2=255819&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/lib/Driver/DarwinLdDriver.cpp (original)
>> +++ lld/trunk/lib/Driver/DarwinLdDriver.cpp Wed Dec 16 14:53:27 2015
>> @@ -822,6 +822,10 @@ bool DarwinLdDriver::parse(llvm::ArrayRe
>>      }
>>    }
>>
>> +  // Parse the LLVM options before we process files in case the file
>> handling
>> +  // makes use of things like DEBUG().
>> +  parseLLVMOptions(ctx);
>> +
>>    // Handle input files and sectcreate.
>>    for (auto &arg : parsedArgs) {
>>      bool upward;
>>
>> Modified: lld/trunk/lib/Driver/Driver.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/Driver.cpp?rev=255819&r1=255818&r2=255819&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/lib/Driver/Driver.cpp (original)
>> +++ lld/trunk/lib/Driver/Driver.cpp Wed Dec 16 14:53:27 2015
>> @@ -64,8 +64,7 @@ FileVector loadFile(LinkingContext &ctx,
>>    return files;
>>  }
>>
>> -/// This is where the link is actually performed.
>> -bool Driver::link(LinkingContext &ctx, raw_ostream &diagnostics) {
>> +void Driver::parseLLVMOptions(const LinkingContext &ctx) {
>>    // Honor -mllvm
>>    if (!ctx.llvmOptions().empty()) {
>>      unsigned numArgs = ctx.llvmOptions().size();
>> @@ -76,6 +75,10 @@ bool Driver::link(LinkingContext &ctx, r
>>      args[numArgs + 1] = nullptr;
>>      llvm::cl::ParseCommandLineOptions(numArgs + 1, args);
>>    }
>> +}
>> +
>> +/// This is where the link is actually performed.
>> +bool Driver::link(LinkingContext &ctx, raw_ostream &diagnostics) {
>>    if (ctx.getNodes().empty())
>>      return false;
>>
>>
>> Modified: lld/trunk/lib/Driver/GnuLdDriver.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/GnuLdDriver.cpp?rev=255819&r1=255818&r2=255819&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/lib/Driver/GnuLdDriver.cpp (original)
>> +++ lld/trunk/lib/Driver/GnuLdDriver.cpp Wed Dec 16 14:53:27 2015
>> @@ -637,6 +637,10 @@ bool GnuLdDriver::parse(llvm::ArrayRef<c
>>    if (ctx->allowLinkWithDynamicLibraries())
>>      ctx->registry().addSupportELFDynamicSharedObjects(*ctx);
>>
>> +  // Parse the LLVM options before we process files in case the file
>> handling
>> +  // makes use of things like DEBUG().
>> +  parseLLVMOptions(*ctx);
>> +
>>    std::stack<int> groupStack;
>>    int numfiles = 0;
>>    bool asNeeded = false;
>>
>>
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>
>
>
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