apply spirv patches

Author: fzou1

.travis.yml

@@ -33,7 +33,9 @@ addons:
 
 install:
   - git clone https://github.com/KhronosGroup/SPIRV-LLVM-Translator.git -b llvm_release_80 spirv-llvm-translator
-  - mkdir spirv-llvm-translator/build && cd spirv-llvm-translator/build
+  - cd spirv-llvm-translator
+  - for patch in `ls ../patches/spirv/*.patch`; do echo $patch; git apply $patch; done
+  - mkdir build && cd build
   - cmake .. -DCMAKE_INSTALL_PREFIX=./install -DBUILD_SHARED_LIBS=ON -DLLVM_BUILD_TOOLS=ON -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
   - make -j`nproc` && make install
   - cd ../../