Hm, here's something weird --
The test passes if I change this RUN line:
// RUN: %clang_cl -Werror /Ycpchfile.h /FIpchfile.h /c -###
%S/Inputs/file.prof
To this:
// RUN: %clang_cl -Werror /Ycpchfile.h /FIpchfile.h /c -###
/%S/Inputs/file.prof
The output I get with the original RUN line looks like this:
clang-3.9: error: argument unused during compilation: '-Werror'
clang-3.9: error: argument unused during compilation: '-include pchfile.h'
clang-3.9: error: argument unused during compilation: '-U
sers/buildslave/jenkins/sharedspace/...' << !
vedant
> On Apr 21, 2016, at 2:42 PM, Vedant Kumar via cfe-commits
> <cfe-commits@lists.llvm.org> wrote:
>
> No, removing -Werror doesn't help.
>
> What's strange is that this doesn't reproduce on my machine -- just on the
> bots.
>
> I'll poke around a bit more.
>
> vedant
>
>> On Apr 21, 2016, at 2:08 PM, Nico Weber <tha...@chromium.org> wrote:
>>
>> Does removing -Werror help? All the bots on http://lab.llvm.org:8011/console
>> look happy.
>>
>> On Thu, Apr 21, 2016 at 4:58 PM, Vedant Kumar via cfe-commits
>> <cfe-commits@lists.llvm.org> wrote:
>> Hi Nico,
>>
>> This seems to be causing a test failure on one of our bots:
>>
>> http://lab.llvm.org:8080/green/job/clang-stage1-configure-RA_check/17279/testReport/junit/Clang/Driver/cl_pch_cpp/
>>
>> Command Output (stderr):
>> --
>> /Users/buildslave/jenkins/sharedspace/phase1@2/llvm/tools/clang/test/Driver/cl-pch.cpp:314:20:
>> error: expected string not found in input
>> // CHECK-NoSource: file.prof:{{.*}}input unused
>> <stdin>:5:7: note: possible intended match here
>> clang-3.8: error: argument unused during compilation: '-Werror'
>>
>> I'm not sure what exactly is causing the problem, but if -Werror is being
>> ignored, the "input unused" warning may be suppressed somehow.
>>
>> I'd appreciate any help looking into this.
>>
>> thanks,
>> vedant
>>
>>> On Apr 21, 2016, at 12:59 PM, Nico Weber via cfe-commits
>>> <cfe-commits@lists.llvm.org> wrote:
>>>
>>> Author: nico
>>> Date: Thu Apr 21 14:59:10 2016
>>> New Revision: 267040
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=267040&view=rev
>>> Log:
>>> clang-cl: Don't assert on using /Yc with non-source files, PR27450
>>>
>>> Move phase handling after input type validation.
>>>
>>> Modified:
>>> cfe/trunk/lib/Driver/Driver.cpp
>>> cfe/trunk/test/Driver/cl-pch.cpp
>>>
>>> Modified: cfe/trunk/lib/Driver/Driver.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=267040&r1=267039&r2=267040&view=diff
>>> ==============================================================================
>>> --- cfe/trunk/lib/Driver/Driver.cpp (original)
>>> +++ cfe/trunk/lib/Driver/Driver.cpp Thu Apr 21 14:59:10 2016
>>> @@ -1563,25 +1563,6 @@ void Driver::BuildActions(Compilation &C
>>> PL.clear();
>>> types::getCompilationPhases(InputType, PL);
>>>
>>> - if (YcArg) {
>>> - // Add a separate precompile phase for the compile phase.
>>> - if (FinalPhase >= phases::Compile) {
>>> - llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PCHPL;
>>> - types::getCompilationPhases(types::TY_CXXHeader, PCHPL);
>>> - Arg *PchInputArg = MakeInputArg(Args, Opts, YcArg->getValue());
>>> -
>>> - // Build the pipeline for the pch file.
>>> - Action *ClangClPch = C.MakeAction<InputAction>(*PchInputArg,
>>> InputType);
>>> - for (phases::ID Phase : PCHPL)
>>> - ClangClPch = ConstructPhaseAction(C, Args, Phase, ClangClPch);
>>> - assert(ClangClPch);
>>> - Actions.push_back(ClangClPch);
>>> - // The driver currently exits after the first failed command. This
>>> - // relies on that behavior, to make sure if the pch generation
>>> fails,
>>> - // the main compilation won't run.
>>> - }
>>> - }
>>> -
>>> // If the first step comes after the final phase we are doing as part of
>>> // this compilation, warn the user about it.
>>> phases::ID InitialPhase = PL[0];
>>> @@ -1614,6 +1595,25 @@ void Driver::BuildActions(Compilation &C
>>> continue;
>>> }
>>>
>>> + if (YcArg) {
>>> + // Add a separate precompile phase for the compile phase.
>>> + if (FinalPhase >= phases::Compile) {
>>> + llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PCHPL;
>>> + types::getCompilationPhases(types::TY_CXXHeader, PCHPL);
>>> + Arg *PchInputArg = MakeInputArg(Args, Opts, YcArg->getValue());
>>> +
>>> + // Build the pipeline for the pch file.
>>> + Action *ClangClPch = C.MakeAction<InputAction>(*PchInputArg,
>>> InputType);
>>> + for (phases::ID Phase : PCHPL)
>>> + ClangClPch = ConstructPhaseAction(C, Args, Phase, ClangClPch);
>>> + assert(ClangClPch);
>>> + Actions.push_back(ClangClPch);
>>> + // The driver currently exits after the first failed command. This
>>> + // relies on that behavior, to make sure if the pch generation
>>> fails,
>>> + // the main compilation won't run.
>>> + }
>>> + }
>>> +
>>> phases::ID CudaInjectionPhase =
>>> (phases::Compile < FinalPhase &&
>>> llvm::find(PL, phases::Compile) != PL.end())
>>>
>>> Modified: cfe/trunk/test/Driver/cl-pch.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/cl-pch.cpp?rev=267040&r1=267039&r2=267040&view=diff
>>> ==============================================================================
>>> --- cfe/trunk/test/Driver/cl-pch.cpp (original)
>>> +++ cfe/trunk/test/Driver/cl-pch.cpp Thu Apr 21 14:59:10 2016
>>> @@ -296,7 +296,7 @@
>>> // CHECK-YCTC: -o
>>> // CHECK-YCTC: pchfile.pch
>>> // CHECK-YCTC: -x
>>> -// CHECK-YCTP: "c"
>>> +// CHECK-YCTC: "c"
>>>
>>> // Also check lower-case /Tc variant.
>>> // RUN: %clang_cl -Werror /Ycpchfile.h /FIpchfile.h /c -### /Tc%s 2>&1 \
>>> @@ -307,3 +307,18 @@
>>> // CHECK-YCTc: pchfile.pch
>>> // CHECK-YCTc: -x
>>> // CHECK-YCTc: "c"
>>> +
>>> +// Don't crash when a non-source file is passed.
>>> +// RUN: %clang_cl -Werror /Ycpchfile.h /FIpchfile.h /c -###
>>> %S/Inputs/file.prof 2>&1 \
>>> +// RUN: | FileCheck -check-prefix=CHECK-NoSource %s
>>> +// CHECK-NoSource: file.prof:{{.*}}input unused
>>> +
>>> +// ...but if an explicit file turns the file into a source file, handle it:
>>> +// RUN: %clang_cl /TP -Werror /Ycpchfile.h /FIpchfile.h /c -###
>>> %S/Inputs/file.prof 2>&1 \
>>> +// RUN: | FileCheck -check-prefix=CHECK-NoSourceTP %s
>>> +// CHECK-NoSourceTP: cc1
>>> +// CHECK-NoSourceTP: -emit-pch
>>> +// CHECK-NoSourceTP: -o
>>> +// CHECK-NoSourceTP: pchfile.pch
>>> +// CHECK-NoSourceTP: -x
>>> +// CHECK-NoSourceTP: "c++"
>>>
>>>
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>>
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