Update llvm-version.txt (#204)

* Update llvm-version.txt

Update to a version that has SPIRV backend working

* Enable LLVM SPIRV target in the build

Author: Petr Kurapov

.github/workflows/build-llvm.yml

@@ -31,7 +31,7 @@ jobs:
           python3 -m pip install -r mlir/python/requirements.txt
           mkdir llvm-install
           cmake -G Ninja llvm -B build -DCMAKE_INSTALL_PREFIX=llvm-install -DMLIR_ENABLE_BINDINGS_PYTHON=ON -DPython3_EXECUTABLE=$(which python3) \
-            -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=true -DLLVM_ENABLE_PROJECTS="mlir" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INSTALL_UTILS=true -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DLLVM_INSTALL_GTEST=ON
+            -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=true -DLLVM_ENABLE_PROJECTS="mlir" -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="SPIRV" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INSTALL_UTILS=true -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DLLVM_INSTALL_GTEST=ON
           cmake --build build --target install
           cd llvm-install
           tar -zcf ../llvm.tgz .

cmake/llvm-version.txt

@@ -1 +1 @@
-62e9f40949ddc52e9660b25ab146bd5d9b39ad88
+89946bda5e1c7ceaf6d26634cc8c8c9498d9f7be

scripts/compile.sh

@@ -84,6 +84,7 @@ build_llvm() {
         -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS_DEBUG="-g -O0" \
         -DLLVM_ENABLE_ASSERTIONS=true -DLLVM_ENABLE_PROJECTS="mlir"\
         -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INSTALL_UTILS=true \
+        -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="SPIRV" \
         -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DLLVM_INSTALL_GTEST=ON \
         -DLLVM_BUILD_LLVM_DYLIB=$dylib -DLLVM_LINK_LLVM_DYLIB=$dylib
     cmake --build build