Index: lib/Target/AMDGPU/AMDGPUAsmPrinter.h =================================================================== --- lib/Target/AMDGPU/AMDGPUAsmPrinter.h +++ lib/Target/AMDGPU/AMDGPUAsmPrinter.h @@ -103,6 +103,8 @@ void EmitGlobalVariable(const GlobalVariable *GV) override; + void EmitStartOfAsmFile(Module &M) override; + bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant, const char *ExtraCode, raw_ostream &O) override; Index: lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp =================================================================== --- lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp +++ lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp @@ -91,6 +91,25 @@ std::unique_ptr Streamer) : AsmPrinter(TM, std::move(Streamer)) {} +void AMDGPUAsmPrinter::EmitStartOfAsmFile(Module &M) { + if (TM.getTargetTriple().getOS() != Triple::AMDHSA) + return; + + // Need to construct an MCSubtargetInfo here in case we have no functions + // in the module. + std::unique_ptr STI(TM.getTarget().createMCSubtargetInfo( + TM.getTargetTriple().str(), TM.getTargetCPU(), + TM.getTargetFeatureString())); + + AMDGPUTargetStreamer *TS = + static_cast(OutStreamer->getTargetStreamer()); + + TS->EmitDirectiveHSACodeObjectVersion(1, 0); + AMDGPU::IsaVersion ISA = AMDGPU::getIsaVersion(STI->getFeatureBits()); + TS->EmitDirectiveHSACodeObjectISA(ISA.Major, ISA.Minor, ISA.Stepping, + "AMD", "AMDGPU"); +} + void AMDGPUAsmPrinter::EmitFunctionBodyStart() { const AMDGPUSubtarget &STM = MF->getSubtarget(); SIProgramInfo KernelInfo; @@ -182,13 +201,6 @@ if (!STM.isAmdHsaOS()) { EmitProgramInfoSI(MF, KernelInfo); } - // Emit directives - AMDGPUTargetStreamer *TS = - static_cast(OutStreamer->getTargetStreamer()); - TS->EmitDirectiveHSACodeObjectVersion(1, 0); - AMDGPU::IsaVersion ISA = STM.getIsaVersion(); - TS->EmitDirectiveHSACodeObjectISA(ISA.Major, ISA.Minor, ISA.Stepping, - "AMD", "AMDGPU"); } else { EmitProgramInfoR600(MF); } Index: test/CodeGen/AMDGPU/hsa-note-no-func.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/hsa-note-no-func.ll @@ -0,0 +1,6 @@ +; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=kaveri | FileCheck --check-prefix=HSA --check-prefix=HSA-CI %s +; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=carrizo | FileCheck --check-prefix=HSA --check-prefix=HSA-VI %s + +; HSA: .hsa_code_object_version 1,0 +; HSA-CI: .hsa_code_object_isa 7,0,0,"AMD","AMDGPU" +; HSA-VI: .hsa_code_object_isa 8,0,1,"AMD","AMDGPU"