Implement SIMD latest opcodes and update LLVM to 13.0 (#758)
Implement the latest SIMD opcodes and update LLVM 13.0, update the llvm build scripts, update the sample workloads‘ build scripts, and build customized wasi-sdk to build some workloads. Also refine the CI rules. Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
This commit is contained in: