[ROCm 5.7] HIP kernels may launch with non-uniform block size for bac…

…kward compatibility

CMakeLists.txt

@@ -253,6 +253,12 @@ math(EXPR MIOPEN_hip_VERSION_FLAT "(${MIOPEN_hip_VERSION_MAJOR} * 1000 + ${MIOPE
 set_var_to_condition(MIOPEN_USE_HIPRTC_DEFAULT ${MIOPEN_USE_COMGR} AND (${MIOPEN_hip_VERSION_FLAT} GREATER 500000000))
 option(MIOPEN_USE_HIPRTC "Use HIPRTC to build HIP kernels instead of COMGR" ${MIOPEN_USE_HIPRTC_DEFAULT})
 
+# No assumption that HIP kernels are launched with uniform block size for backward compatibility
+# SWDEV-413293 and https://reviews.llvm.org/D155213
+if(${MIOPEN_hip_VERSION_FLAT} GREATER 500700000)
+    string(APPEND HIP_COMPILER_FLAGS " -fno-offload-uniform-block ")
+endif()
+
 message(STATUS "Hip compiler flags: ${HIP_COMPILER_FLAGS}")
 
 add_definitions("-DHIP_COMPILER_FLAGS=${HIP_COMPILER_FLAGS}")