OpenCL CPU Shared memory added for sgemm

...test/VISC/parboil/benchmarks/lbm/src/opencl_nvidia/main.c

llvm/test/VISC/parboil/benchmarks/lbm/src/visc/main.c

.../VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/Makefile

...est/VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/io.cc

...rboil/benchmarks/sgemm/src/opencl_cpu_sm/kernel-spir64.ll

...VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/kernel.cl

...VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/kernel.ll

...t/VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/main.cc

...parboil/benchmarks/sgemm/src/opencl_cpu_sm/test-spir64.ll

...t/VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/test.cl

...t/VISC/parboil/benchmarks/sgemm/src/opencl_cpu_sm/test.ll