SPIR-V is an official target, no need to edit scripts/compile-triton.sh and CMakeLists.txt

Author: VyacheslavLevytskyy

scripts/compile-triton.sh

@@ -132,8 +132,7 @@ build_llvm() {
     -DCMAKE_BUILD_TYPE=Release \
     -DLLVM_ENABLE_ASSERTIONS=true \
     -DLLVM_ENABLE_PROJECTS="mlir" \
-    -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=SPIRV \
-    -DLLVM_TARGETS_TO_BUILD="X86;NVPTX;AMDGPU" \
+    -DLLVM_TARGETS_TO_BUILD="X86;NVPTX;AMDGPU;SPIRV" \
     -DLLVM_INSTALL_UTILS=true \
     -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
     -DCMAKE_INSTALL_PREFIX=$PACKAGES_DIR/llvm \

third_party/intel/lib/Target/SPIRV/CMakeLists.txt

@@ -1,38 +1,19 @@
 # SPIRV-LLVM-Translator is required.
 find_package(SPIRVToLLVMTranslator)
 
-# Check if there is the LLVM SPIR-V backend.
-is_llvm_target_library("SPIRV" spirv_present_result INCLUDED_TARGETS)
-
-if(spirv_present_result)
-  message(STATUS "Found SPIR-V Backend")
-  add_compile_definitions(LLVM_SPIRV_BACKEND_TARGET_PRESENT)
-  add_mlir_translation_library(TritonSPIRV
-    SPIRVTranslation.cpp
-
-    LINK_COMPONENTS
-    Core
-    # spirv backend
-    SPIRVCodeGen
-
-    LINK_LIBS PUBLIC
-    TritonLLVMIR
-    # spirv tools
-    LLVMSPIRVLib
-  )
-else()
-  add_mlir_translation_library(TritonSPIRV
-    SPIRVTranslation.cpp
-
-    LINK_COMPONENTS
-    Core
-
-    LINK_LIBS PUBLIC
-    TritonLLVMIR
-    # spirv tools
-    LLVMSPIRVLib
-  )
-endif()
+add_mlir_translation_library(TritonSPIRV
+  SPIRVTranslation.cpp
+
+  LINK_COMPONENTS
+  Core
+  # spirv backend
+  SPIRVCodeGen
+
+  LINK_LIBS PUBLIC
+  TritonLLVMIR
+  # spirv tools
+  LLVMSPIRVLib
+)
 
 # Add SPIRV-LLVM-Translator include directory.
 target_include_directories(TritonSPIRV PRIVATE ${SPIRVToLLVMTranslator_INCLUDE_DIR})

third_party/intel/lib/Target/SPIRV/SPIRVTranslation.cpp

@@ -13,7 +13,6 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/TargetParser/Triple.h"
 
-#if defined(LLVM_SPIRV_BACKEND_TARGET_PRESENT)
 namespace llvm {
 
 using namespace llvm;
@@ -102,8 +101,6 @@ bool runSpirvBackend(Module *M, std::ostream &OS, std::string &ErrMsg,
 
 } // namespace llvm
 
-#endif // LLVM_SPIRV_BACKEND_TARGET_PRESENT
-
 namespace triton {
 
 class SmallVectorBuffer : public std::streambuf {
@@ -156,16 +153,12 @@ std::string translateLLVMIRToSPIRV(llvm::Module &module) {
   SPIRVOpts.setPreserveAuxData(false);
   SPIRVOpts.setSPIRVAllowUnknownIntrinsics({"llvm.genx.GenISA."});
 
-#if defined(LLVM_SPIRV_BACKEND_TARGET_PRESENT)
   int SpvTranslateMode = 0;
   if (const char *EnvIsBackend = std::getenv("TRITON_USE_SPIRV_BACKEND"))
     llvm::StringRef(EnvIsBackend).getAsInteger(10, SpvTranslateMode);
   auto success = SpvTranslateMode
                      ? llvm::runSpirvBackend(&module, OS, Err, SPIRVOpts)
                      : llvm::writeSpirv(&module, SPIRVOpts, OS, Err);
-#else
-  auto success = llvm::writeSpirv(&module, SPIRVOpts, OS, Err);
-#endif // LLVM_SPIRV_BACKEND_TARGET_PRESENT
 
   if (!success) {
     llvm::errs() << "SPIRVTranslation: SPIRV translation failed with"