[llvm] r292252 - [WebAssembly] Add triple support for the new wasm object format

Galina Kistanova via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 17 13:46:31 PST 2017


Hello Dan,

It look like this commit added warnings to one of our builders:
http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/4040

C:\Buildbot\Slave\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\lib\CodeGen\BackendUtil.cpp(1004):
warning C4062: enumerator 'llvm::Triple::Wasm' in switch of enum
'llvm::Triple::ObjectFormatType' is not handled
C:\Buildbot\Slave\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\lib\CodeGen\BackendUtil.cpp(1016):
warning C4062: enumerator 'llvm::Triple::Wasm' in switch of enum
'llvm::Triple::ObjectFormatType' is not handled
C:\Buildbot\Slave\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\lib\CodeGen\CodeGenModule.cpp(3349):
warning C4062: enumerator 'llvm::Triple::Wasm' in switch of enum
'llvm::Triple::ObjectFormatType' is not handled

Please have a look at this?

Thanks

Galina

On Tue, Jan 17, 2017 at 12:34 PM, Dan Gohman via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: djg
> Date: Tue Jan 17 14:34:09 2017
> New Revision: 292252
>
> URL: http://llvm.org/viewvc/llvm-project?rev=292252&view=rev
> Log:
> [WebAssembly] Add triple support for the new wasm object format
>
> Differential Revision: https://reviews.llvm.org/D26701
>
> Modified:
>     llvm/trunk/include/llvm/ADT/Triple.h
>     llvm/trunk/lib/MC/MCObjectFileInfo.cpp
>     llvm/trunk/lib/ProfileData/InstrProf.cpp
>     llvm/trunk/lib/Support/Triple.cpp
>     llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
>     llvm/trunk/unittests/ADT/TripleTest.cpp
>
> Modified: llvm/trunk/include/llvm/ADT/Triple.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/
> llvm/ADT/Triple.h?rev=292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/include/llvm/ADT/Triple.h (original)
> +++ llvm/trunk/include/llvm/ADT/Triple.h Tue Jan 17 14:34:09 2017
> @@ -206,6 +206,7 @@ public:
>      COFF,
>      ELF,
>      MachO,
> +    Wasm,
>    };
>
>  private:
> @@ -576,6 +577,11 @@ public:
>      return getObjectFormat() == Triple::MachO;
>    }
>
> +  /// Tests whether the OS uses the Wasm binary format.
> +  bool isOSBinFormatWasm() const {
> +    return getObjectFormat() == Triple::Wasm;
> +  }
> +
>    /// Tests whether the target is the PS4 CPU
>    bool isPS4CPU() const {
>      return getArch() == Triple::x86_64 &&
>
> Modified: llvm/trunk/lib/MC/MCObjectFileInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/
> MCObjectFileInfo.cpp?rev=292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/lib/MC/MCObjectFileInfo.cpp (original)
> +++ llvm/trunk/lib/MC/MCObjectFileInfo.cpp Tue Jan 17 14:34:09 2017
> @@ -843,6 +843,9 @@ void MCObjectFileInfo::InitMCObjectFileI
>      Env = IsELF;
>      initELFMCObjectFileInfo(TT);
>      break;
> +  case Triple::Wasm:
> +    report_fatal_error("Cannot initialize MC for wasm object file format
> yet.");
> +    break;
>    case Triple::UnknownObjectFormat:
>      report_fatal_error("Cannot initialize MC for unknown object file
> format.");
>      break;
>
> Modified: llvm/trunk/lib/ProfileData/InstrProf.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/
> ProfileData/InstrProf.cpp?rev=292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/lib/ProfileData/InstrProf.cpp (original)
> +++ llvm/trunk/lib/ProfileData/InstrProf.cpp Tue Jan 17 14:34:09 2017
> @@ -794,7 +794,7 @@ bool needsComdatForCounter(const Functio
>      return true;
>
>    Triple TT(M.getTargetTriple());
> -  if (!TT.isOSBinFormatELF())
> +  if (!TT.isOSBinFormatELF() && !TT.isOSBinFormatWasm())
>      return false;
>
>    // See createPGOFuncNameVar for more details. To avoid link errors,
> profile
>
> Modified: llvm/trunk/lib/Support/Triple.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/
> Support/Triple.cpp?rev=292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/lib/Support/Triple.cpp (original)
> +++ llvm/trunk/lib/Support/Triple.cpp Tue Jan 17 14:34:09 2017
> @@ -510,6 +510,7 @@ static Triple::ObjectFormatType parseFor
>      .EndsWith("coff", Triple::COFF)
>      .EndsWith("elf", Triple::ELF)
>      .EndsWith("macho", Triple::MachO)
> +    .EndsWith("wasm", Triple::Wasm)
>      .Default(Triple::UnknownObjectFormat);
>  }
>
> @@ -581,6 +582,7 @@ static StringRef getObjectFormatTypeName
>    case Triple::COFF: return "coff";
>    case Triple::ELF: return "elf";
>    case Triple::MachO: return "macho";
> +  case Triple::Wasm: return "wasm";
>    }
>    llvm_unreachable("unknown object format type");
>  }
>
> Modified: llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/
> Transforms/Instrumentation/AddressSanitizer.cpp?rev=
> 292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
> (original)
> +++ llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp Tue
> Jan 17 14:34:09 2017
> @@ -1853,7 +1853,8 @@ bool AddressSanitizerModule::InstrumentG
>      GlobalValue *InstrumentedGlobal = NewGlobal;
>
>      bool CanUsePrivateAliases =
> -        TargetTriple.isOSBinFormatELF() || TargetTriple.
> isOSBinFormatMachO();
> +        TargetTriple.isOSBinFormatELF() || TargetTriple.isOSBinFormatMachO()
> ||
> +        TargetTriple.isOSBinFormatWasm();
>      if (CanUsePrivateAliases && ClUsePrivateAliasForGlobals) {
>        // Create local alias for NewGlobal to avoid crash on ODR between
>        // instrumented and non-instrumented libraries.
>
> Modified: llvm/trunk/unittests/ADT/TripleTest.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/
> ADT/TripleTest.cpp?rev=292252&r1=292251&r2=292252&view=diff
> ============================================================
> ==================
> --- llvm/trunk/unittests/ADT/TripleTest.cpp (original)
> +++ llvm/trunk/unittests/ADT/TripleTest.cpp Tue Jan 17 14:34:09 2017
> @@ -888,6 +888,9 @@ TEST(TripleTest, FileFormat) {
>    EXPECT_EQ(Triple::ELF, Triple("i686-pc-windows-msvc-
> elf").getObjectFormat());
>    EXPECT_EQ(Triple::ELF, Triple("i686-pc-cygwin-elf").getObjectFormat());
>
> +  EXPECT_EQ(Triple::Wasm, Triple("wasm32-unknown-unknown-wasm").
> getObjectFormat());
> +  EXPECT_EQ(Triple::Wasm, Triple("wasm64-unknown-unknown-wasm").
> getObjectFormat());
> +
>    Triple MSVCNormalized(Triple::normalize("i686-pc-windows-msvc-elf"));
>    EXPECT_EQ(Triple::ELF, MSVCNormalized.getObjectFormat());
>
>
>
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> llvm-commits at lists.llvm.org
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