Remove __HCC__, __HCC_ONLY__, __HCC_CPP__, __HCC_C__,
__HCC_OR_HIP_CLANG__, __HIP_ROCclr__ and their guarded codes.
Remove Hcc codes from directed_tests and samples.
Remove __HIP_PLATFORM_HCC__ and __HIP_PLATFORM_NVCC__ from
some files where they are not necessary.
Add deprecation notice.
Change-Id: I1ae467eafd749d6c25bca204c1724b026be21fce
- As `long`/`ulong` on Windows has different bit sizes from Linux
platforms, even compiled in 64-bit mode. Need to use portable data
type `int64_t`/`uint64_t` as possible or use `long long` ones to
match the prototype in LLVM IR.
Change-Id: I62fe16a2e53aa0f2f2b4069b8a1596b8db7050c9