File location have to be verified, otherwise location of the first found '#pragma once' in any included header even system will be erroneously handled, which might lead to attempt to including hip_runtime.h in it.
All checks should not occur in input file for FileCheck. The issue found on CHECK-NOT.
Change removes all lit checks in the hipified file based on regexp, and the resulted stdout is fed as stdin for FileCheck.
If in source CUDA file main header (cuda_runtime.h or cuda.h) is not presented, corresponding HIP main header (hip_runtime.h) should be explicitly included in output hipified file.
[Algorithm]
1. If #pragma once is presented, HIP main header should be placed just after it;
2. Otherwise if any other (not CUDA main) header is presented, HIP main header should be placed just before it;
3. Otherwise HIP main header should be placed in the beginning of output file.
P.S.
There might be one more situation when #ifndef #define ... #endif guard for the entire file is presented (make sense for *.h, *.hpp, *.cuh files). In this case HIP main include should be placed just after such #ifdef, or after #pragma once, if it is also presented. This situation will be handled in a separate change.
Env. var NVCUDASAMPLES_ROOT is changed to NVCUDASAMPLESX_Y_ROOT where X - major ver, Y - minor ver.
Reason: NVCUDASAMPLES_ROOT contains path to CUDA SDK installed last, while NVCUDASAMPLESX_Y_ROOT contains samples of the same version as of CUDA_TOOLKIT_ROOT_DIR.
// hipified to #include<hip/hip_runtime.h>
#include<cuda.h> // 1st cuda main include (Driver API)
// to eliminate
#include<cuda_runtime.h> // 2nd cuda main include (Runtime API)
HIP has one header hip_runtime.h for both CUDA APIs, thus second cuda main include directive is eliminated entirely.
Function require_program erroneously doesn't report "Can't find program" on any missing program except the first one due to the cached FOUND_PROGRAM value.
Additionally:
+ Do not throw FATAL_ERROR on missing program in order to obtain the whole list of missing programs (if any).
+ Report also found program location.
Evgeny Mankov
Evgeny Mankov
Maneesh Gupta
Kent Knox
Phaneendr-kumar Lanka
Phaneendr-kumar Lanka
Rahul Garg