[offload] - Add mainline build support for gfx950 (llvm#894)

Author: estewart08

offload/DeviceRTL/include/Platform.h

@@ -81,6 +81,8 @@ extern const inline unsigned __oclc_ISA_version = 9400;
 extern const inline unsigned __oclc_ISA_version = 9401;
 #elif defined(__gfx942__)
 extern const inline unsigned __oclc_ISA_version = 9402;
+#elif defined(__gfx950__)
+extern const inline unsigned __oclc_ISA_version = 9500;
 #elif defined(__gfx1010__)
 extern const inline unsigned __oclc_ISA_version = 10100;
 #elif defined(__gfx1011__)

offload/hostexec/CMakeLists.txt

@@ -97,7 +97,7 @@ else()
   return()
 endif()
 
-set(amdgpu_mcpus gfx700 gfx701 gfx801 gfx803 gfx900 gfx902 gfx906 gfx908 gfx90a gfx90c gfx940 gfx941 gfx942 gfx1010 gfx1030 gfx1031 gfx1032 gfx1033 gfx1034 gfx1035 gfx1036 gfx1100 gfx1101 gfx1102 gfx1103 gfx1150 gfx1151 gfx1152 gfx1153 gfx1200 gfx1201)
+set(amdgpu_mcpus gfx700 gfx701 gfx801 gfx803 gfx900 gfx902 gfx906 gfx908 gfx90a gfx90c gfx940 gfx941 gfx942 gfx950 gfx1010 gfx1030 gfx1031 gfx1032 gfx1033 gfx1034 gfx1035 gfx1036 gfx1100 gfx1101 gfx1102 gfx1103 gfx1150 gfx1151 gfx1152 gfx1153 gfx1200 gfx1201)
 if (DEFINED LIBOMPTARGET_AMDGCN_GFXLIST)
   set(amdgpu_mcpus ${LIBOMPTARGET_AMDGCN_GFXLIST})
 endif()

offload/test/lit.cfg

@@ -131,7 +131,8 @@ elif config.libomptarget_current_target.startswith('amdgcn'):
     # only check the first one assuming that we will run the test on it.
     if not (config.amdgpu_test_arch.startswith("gfx90a") or
             config.amdgpu_test_arch.startswith("gfx940") or
-            config.amdgpu_test_arch.startswith("gfx942")):
+            config.amdgpu_test_arch.startswith("gfx942") or
+            config.amdgpu_test_arch.startswith("gfx950")):
        supports_unified_shared_memory = False
     # check if AMD architecture is an APU:
     if (config.amdgpu_test_arch.startswith("gfx940") or