[llvm] r315808 - AMDGPU: Add support for isa version note

Bruno Cardoso Lopes via llvm-commits llvm-commits at lists.llvm.org
Sat Oct 14 12:11:32 PDT 2017


Hi,

There's a test failing because of this:
http://green.lab.llvm.org/green/job/clang-stage1-cmake-RA-incremental/43381/

Can you take a look?

On Sat, Oct 14, 2017 at 8:40 AM, Konstantin Zhuravlyov via
llvm-commits <llvm-commits at lists.llvm.org> wrote:
> Author: kzhuravl
> Date: Sat Oct 14 08:40:33 2017
> New Revision: 315808
>
> URL: http://llvm.org/viewvc/llvm-project?rev=315808&view=rev
> Log:
> AMDGPU: Add support for isa version note
>
>   - Emit NT_AMD_AMDGPU_ISA
>   - Add assembler parsing for isa version directive
>     - If isa version directive does not match command line arguments, then return error
>
> Differential Revision: https://reviews.llvm.org/D38748
>
> Added:
>     llvm/trunk/test/CodeGen/AMDGPU/elf-notes.ll
>     llvm/trunk/test/MC/AMDGPU/isa-version-hsa.s
>     llvm/trunk/test/MC/AMDGPU/isa-version-pal.s
>     llvm/trunk/test/MC/AMDGPU/isa-version-unk.s
> Modified:
>     llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
>     llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
>     llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
>     llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h
>     llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
>     llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
>
> Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp Sat Oct 14 08:40:33 2017
> @@ -132,6 +132,22 @@ void AMDGPUAsmPrinter::EmitStartOfAsmFil
>  }
>
>  void AMDGPUAsmPrinter::EmitEndOfAsmFile(Module &M) {
> +  if (TM.getTargetTriple().getArch() != Triple::amdgcn)
> +    return;
> +
> +  // Emit ISA Version (NT_AMD_AMDGPU_ISA).
> +  std::string ISAVersionString;
> +  raw_string_ostream ISAVersionStream(ISAVersionString);
> +  IsaInfo::streamIsaVersion(getSTI(), ISAVersionStream);
> +  getTargetStreamer().EmitISAVersion(ISAVersionStream.str());
> +
> +  // Emit HSA Metadata (NT_AMD_AMDGPU_HSA_METADATA).
> +  if (TM.getTargetTriple().getOS() == Triple::AMDHSA) {
> +    HSAMetadataStream.end();
> +    getTargetStreamer().EmitHSAMetadata(HSAMetadataStream.getHSAMetadata());
> +  }
> +
> +  // Emit PAL Metadata (NT_AMD_AMDGPU_PAL_METADATA).
>    if (TM.getTargetTriple().getOS() == Triple::AMDPAL) {
>      // Copy the PAL metadata from the map where we collected it into a vector,
>      // then write it as a .note.
> @@ -142,12 +158,6 @@ void AMDGPUAsmPrinter::EmitEndOfAsmFile(
>      }
>      getTargetStreamer().EmitPALMetadata(PALMetadataVector);
>    }
> -
> -  if (TM.getTargetTriple().getOS() != Triple::AMDHSA)
> -    return;
> -
> -  HSAMetadataStream.end();
> -  getTargetStreamer().EmitHSAMetadata(HSAMetadataStream.getHSAMetadata());
>  }
>
>  bool AMDGPUAsmPrinter::isBlockOnlyReachableByFallthrough(
>
> Modified: llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp (original)
> +++ llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp Sat Oct 14 08:40:33 2017
> @@ -832,6 +832,7 @@ private:
>    bool subtargetHasRegister(const MCRegisterInfo &MRI, unsigned RegNo) const;
>    bool ParseDirectiveAMDGPUHsaKernel();
>
> +  bool ParseDirectiveISAVersion();
>    bool ParseDirectiveHSAMetadata();
>    bool ParseDirectivePALMetadata();
>
> @@ -2452,6 +2453,25 @@ bool AMDGPUAsmParser::ParseDirectiveAMDG
>    return false;
>  }
>
> +bool AMDGPUAsmParser::ParseDirectiveISAVersion() {
> +  auto ISAVersionStringFromASM = getLexer().getTok().getStringContents();
> +
> +  std::string ISAVersionStringFromSTI;
> +  raw_string_ostream ISAVersionStreamFromSTI(ISAVersionStringFromSTI);
> +  IsaInfo::streamIsaVersion(&getSTI(), ISAVersionStreamFromSTI);
> +
> +  if (ISAVersionStringFromASM != ISAVersionStreamFromSTI.str()) {
> +    return Error(getParser().getTok().getLoc(),
> +                 ".amd_amdgpu_isa directive does not match triple and/or mcpu "
> +                 "arguments specified through the command line");
> +  }
> +
> +  getTargetStreamer().EmitISAVersion(ISAVersionStreamFromSTI.str());
> +  Lex();
> +
> +  return false;
> +}
> +
>  bool AMDGPUAsmParser::ParseDirectiveHSAMetadata() {
>    std::string HSAMetadataString;
>    raw_string_ostream YamlStream(HSAMetadataString);
> @@ -2527,6 +2547,9 @@ bool AMDGPUAsmParser::ParseDirective(Asm
>    if (IDVal == ".amdgpu_hsa_kernel")
>      return ParseDirectiveAMDGPUHsaKernel();
>
> +  if (IDVal == ".amd_amdgpu_isa")
> +    return ParseDirectiveISAVersion();
> +
>    if (IDVal == AMDGPU::HSAMD::AssemblerDirectiveBegin)
>      return ParseDirectiveHSAMetadata();
>
>
> Modified: llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp (original)
> +++ llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp Sat Oct 14 08:40:33 2017
> @@ -39,9 +39,6 @@ using namespace llvm::AMDGPU;
>  // AMDGPUTargetStreamer
>  //===----------------------------------------------------------------------===//
>
> -AMDGPUTargetStreamer::AMDGPUTargetStreamer(MCStreamer &S)
> -    : MCTargetStreamer(S) {}
> -
>  bool AMDGPUTargetStreamer::EmitHSAMetadata(StringRef HSAMetadataString) {
>    HSAMD::Metadata HSAMetadata;
>    if (HSAMD::fromString(HSAMetadataString, HSAMetadata))
> @@ -94,6 +91,11 @@ void AMDGPUTargetAsmStreamer::EmitAMDGPU
>    }
>  }
>
> +bool AMDGPUTargetAsmStreamer::EmitISAVersion(StringRef IsaVersionString) {
> +  OS << "\t.amd_amdgpu_isa \"" << IsaVersionString << "\"\n";
> +  return true;
> +}
> +
>  bool AMDGPUTargetAsmStreamer::EmitHSAMetadata(
>      const AMDGPU::HSAMD::Metadata &HSAMetadata) {
>    std::string HSAMetadataString;
> @@ -208,6 +210,28 @@ void AMDGPUTargetELFStreamer::EmitAMDGPU
>    Symbol->setType(ELF::STT_AMDGPU_HSA_KERNEL);
>  }
>
> +bool AMDGPUTargetELFStreamer::EmitISAVersion(StringRef IsaVersionString) {
> +  // Create two labels to mark the beginning and end of the desc field
> +  // and a MCExpr to calculate the size of the desc field.
> +  auto &Context = getContext();
> +  auto *DescBegin = Context.createTempSymbol();
> +  auto *DescEnd = Context.createTempSymbol();
> +  auto *DescSZ = MCBinaryExpr::createSub(
> +    MCSymbolRefExpr::create(DescEnd, Context),
> +    MCSymbolRefExpr::create(DescBegin, Context), Context);
> +
> +  EmitAMDGPUNote(
> +    DescSZ,
> +    ELF::NT_AMD_AMDGPU_ISA,
> +    [&](MCELFStreamer &OS) {
> +      OS.EmitLabel(DescBegin);
> +      OS.EmitBytes(IsaVersionString);
> +      OS.EmitLabel(DescEnd);
> +    }
> +  );
> +  return true;
> +}
> +
>  bool AMDGPUTargetELFStreamer::EmitHSAMetadata(
>      const AMDGPU::HSAMD::Metadata &HSAMetadata) {
>    std::string HSAMetadataString;
>
> Modified: llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h (original)
> +++ llvm/trunk/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h Sat Oct 14 08:40:33 2017
> @@ -12,6 +12,7 @@
>
>  #include "AMDKernelCodeT.h"
>  #include "llvm/MC/MCStreamer.h"
> +#include "llvm/MC/MCSubtargetInfo.h"
>  #include "llvm/Support/AMDGPUMetadata.h"
>
>  namespace llvm {
> @@ -30,7 +31,8 @@ protected:
>    MCContext &getContext() const { return Streamer.getContext(); }
>
>  public:
> -  AMDGPUTargetStreamer(MCStreamer &S);
> +  AMDGPUTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
> +
>    virtual void EmitDirectiveHSACodeObjectVersion(uint32_t Major,
>                                                   uint32_t Minor) = 0;
>
> @@ -44,6 +46,9 @@ public:
>    virtual void EmitAMDGPUSymbolType(StringRef SymbolName, unsigned Type) = 0;
>
>    /// \returns True on success, false on failure.
> +  virtual bool EmitISAVersion(StringRef IsaVersionString) = 0;
> +
> +  /// \returns True on success, false on failure.
>    virtual bool EmitHSAMetadata(StringRef HSAMetadataString);
>
>    /// \returns True on success, false on failure.
> @@ -69,6 +74,9 @@ public:
>    void EmitAMDGPUSymbolType(StringRef SymbolName, unsigned Type) override;
>
>    /// \returns True on success, false on failure.
> +  bool EmitISAVersion(StringRef IsaVersionString) override;
> +
> +  /// \returns True on success, false on failure.
>    bool EmitHSAMetadata(const AMDGPU::HSAMD::Metadata &HSAMetadata) override;
>
>    /// \returns True on success, false on failure.
> @@ -98,6 +106,9 @@ public:
>    void EmitAMDGPUSymbolType(StringRef SymbolName, unsigned Type) override;
>
>    /// \returns True on success, false on failure.
> +  bool EmitISAVersion(StringRef IsaVersionString) override;
> +
> +  /// \returns True on success, false on failure.
>    bool EmitHSAMetadata(const AMDGPU::HSAMD::Metadata &HSAMetadata) override;
>
>    /// \returns True on success, false on failure.
>
> Modified: llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp (original)
> +++ llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp Sat Oct 14 08:40:33 2017
> @@ -147,6 +147,21 @@ IsaVersion getIsaVersion(const FeatureBi
>    return {7, 0, 0};
>  }
>
> +void streamIsaVersion(const MCSubtargetInfo *STI, raw_ostream &Stream) {
> +  auto TargetTriple = STI->getTargetTriple();
> +  auto ISAVersion = IsaInfo::getIsaVersion(STI->getFeatureBits());
> +
> +  Stream << TargetTriple.getArchName() << '-'
> +         << TargetTriple.getVendorName() << '-'
> +         << TargetTriple.getOSName() << '-'
> +         << TargetTriple.getEnvironmentName() << '-'
> +         << "gfx"
> +         << ISAVersion.Major
> +         << ISAVersion.Minor
> +         << ISAVersion.Stepping;
> +  Stream.flush();
> +}
> +
>  unsigned getWavefrontSize(const FeatureBitset &Features) {
>    if (Features.test(FeatureWavefrontSize16))
>      return 16;
>
> Modified: llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h?rev=315808&r1=315807&r2=315808&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h (original)
> +++ llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h Sat Oct 14 08:40:33 2017
> @@ -19,6 +19,7 @@
>  #include "llvm/Support/Compiler.h"
>  #include "llvm/Support/ErrorHandling.h"
>  #include <cstdint>
> +#include <string>
>  #include <utility>
>
>  namespace llvm {
> @@ -54,6 +55,9 @@ struct IsaVersion {
>  /// \returns Isa version for given subtarget \p Features.
>  IsaVersion getIsaVersion(const FeatureBitset &Features);
>
> +/// \brief Streams isa version string for given subtarget \p STI into \p Stream.
> +void streamIsaVersion(const MCSubtargetInfo *STI, raw_ostream &Stream);
> +
>  /// \returns Wavefront size for given subtarget \p Features.
>  unsigned getWavefrontSize(const FeatureBitset &Features);
>
>
> Added: llvm/trunk/test/CodeGen/AMDGPU/elf-notes.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/elf-notes.ll?rev=315808&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AMDGPU/elf-notes.ll (added)
> +++ llvm/trunk/test/CodeGen/AMDGPU/elf-notes.ll Sat Oct 14 08:40:33 2017
> @@ -0,0 +1,25 @@
> +; RUN: llc -mtriple=amdgcn-amd-unknown -mcpu=gfx800 < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK --check-prefix=GFX800 %s
> +; RUN: llc -mtriple=amdgcn-amd-unknown -mcpu=iceland < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK --check-prefix=GFX800 %s
> +; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx800 < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA --check-prefix=GFX800 %s
> +; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=iceland < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA --check-prefix=GFX800 %s
> +; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx800 < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL --check-prefix=GFX800 %s
> +; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=iceland < %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL --check-prefix=GFX800 %s
> +; RUN: llc -march=r600 < %s | FileCheck --check-prefix=R600 %s
> +
> +; OSABI-UNK: .amd_amdgpu_isa "amdgcn-amd-unknown--gfx800"
> +; OSABI-UNK-NOT: .amd_amdgpu_hsa_metadata
> +; OSABI-UNK-NOT: .amd_amdgpu_pal_metadata
> +
> +; OSABI-HSA: .amd_amdgpu_isa "amdgcn-amd-amdhsa--gfx800"
> +; OSABI-HSA: .amd_amdgpu_hsa_metadata
> +
> +; OSABI-PAL: .amd_amdgpu_isa "amdgcn-amd-amdpal--gfx800"
> +; OSABI-PAL: .amd_amdgpu_pal_metadata
> +
> +; R600-NOT: .amd_amdgpu_isa
> +; R600-NOT: .amd_amdgpu_hsa_metadata
> +; R600-NOT: .amd_amdgpu_hsa_metadata
> +
> +define amdgpu_kernel void @elf_notes() {
> +  ret void
> +}
>
> Added: llvm/trunk/test/MC/AMDGPU/isa-version-hsa.s
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AMDGPU/isa-version-hsa.s?rev=315808&view=auto
> ==============================================================================
> --- llvm/trunk/test/MC/AMDGPU/isa-version-hsa.s (added)
> +++ llvm/trunk/test/MC/AMDGPU/isa-version-hsa.s Sat Oct 14 08:40:33 2017
> @@ -0,0 +1,14 @@
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +// RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx800 %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA --check-prefix=GFX800 %s
> +// RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=iceland %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdpal -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdpal -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL-ERR --check-prefix=GFX800 %s
> +
> +
> +// OSABI-HSA: .amd_amdgpu_isa "amdgcn-amd-amdhsa--gfx800"
> +// OSABI-UNK-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-HSA-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-PAL-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +.amd_amdgpu_isa "amdgcn-amd-amdhsa--gfx800"
>
> Added: llvm/trunk/test/MC/AMDGPU/isa-version-pal.s
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AMDGPU/isa-version-pal.s?rev=315808&view=auto
> ==============================================================================
> --- llvm/trunk/test/MC/AMDGPU/isa-version-pal.s (added)
> +++ llvm/trunk/test/MC/AMDGPU/isa-version-pal.s Sat Oct 14 08:40:33 2017
> @@ -0,0 +1,13 @@
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdhsa -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ERR --check-prefix=GFX800 %s
> +// RUN: llvm-mc -triple amdgcn-amd-amdpal -mcpu=gfx800 %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL --check-prefix=GFX800 %s
> +// RUN: llvm-mc -triple amdgcn-amd-amdpal -mcpu=iceland %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=gfx803 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +
> +// OSABI-PAL: .amd_amdgpu_isa "amdgcn-amd-amdpal--gfx800"
> +// OSABI-UNK-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-HSA-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-PAL-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +.amd_amdgpu_isa "amdgcn-amd-amdpal--gfx800"
>
> Added: llvm/trunk/test/MC/AMDGPU/isa-version-unk.s
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AMDGPU/isa-version-unk.s?rev=315808&view=auto
> ==============================================================================
> --- llvm/trunk/test/MC/AMDGPU/isa-version-unk.s (added)
> +++ llvm/trunk/test/MC/AMDGPU/isa-version-unk.s Sat Oct 14 08:40:33 2017
> @@ -0,0 +1,14 @@
> +// RUN: llvm-mc -triple amdgcn-amd-unknown -mcpu=gfx800 %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK --check-prefix=GFX800 %s
> +// RUN: llvm-mc -triple amdgcn-amd-unknown -mcpu=iceland %s | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-unknown -mcpu=gfx803 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-UNK-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdhsa -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-HSA-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdpal -mcpu=gfx800 %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL-ERR --check-prefix=GFX800 %s
> +// RUN: not llvm-mc -triple amdgcn-amd-amdpal -mcpu=iceland %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=OSABI-PAL-ERR --check-prefix=GFX800 %s
> +
> +
> +// OSABI-UNK: .amd_amdgpu_isa "amdgcn-amd-unknown--gfx800"
> +// OSABI-UNK-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-HSA-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +// OSABI-PAL-ERR: error: .amd_amdgpu_isa directive does not match triple and/or mcpu arguments specified through the command line
> +.amd_amdgpu_isa "amdgcn-amd-unknown--gfx800"
>
>
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-- 
Bruno Cardoso Lopes
http://www.brunocardoso.cc


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