[LLVM->SPV-IR] Add const to pointer arg of prefetch, change num_elements arg type to unsigned#3188

svenvh merged 2 commits intoKhronosGroup:mainKhronosGroup/SPIRV-LLVM-Translator:mainfrom

wenju-he:SPV-IR-prefetch-second-arg-unsignedwenju-he/SPIRV-LLVM-Translator:SPV-IR-prefetch-second-arg-unsignedCopy head branch name to clipboard