[Openmp-commits] [PATCH] D138600: [OpenMP] Add debug info about CC incompatibility

[Mark Dewing via Phabricator via Openmp-commits]

markdewing created this revision.
Herald added subscribers: guansong, yaxunl.
Herald added a project: All.
markdewing requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added subscribers: openmp-commits, sstefan1.
Herald added a project: OpenMP.

Add a debug message with the compute capability of the device
and the image when they're not compatible.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138600

Files:
  openmp/libomptarget/plugins/cuda/src/rtl.cpp


Index: openmp/libomptarget/plugins/cuda/src/rtl.cpp
===================================================================
--- openmp/libomptarget/plugins/cuda/src/rtl.cpp
+++ openmp/libomptarget/plugins/cuda/src/rtl.cpp
@@ -1564,8 +1564,13 @@
     // any GPU with the same major revision and same or higher minor revision.
     int32_t ImageMajor = ArchStr[0] - '0';
     int32_t ImageMinor = ArchStr[1] - '0';
-    if (Major != ImageMajor || Minor < ImageMinor)
+    if (Major != ImageMajor || Minor < ImageMinor) {
+      DP("Compute capability of image not compatible with device. Device: %d "
+         "%d "
+         "Image: %d %d\n",
+         Major, Minor, ImageMajor, ImageMinor);
       return false;
+    }
   }
 
   DP("Image has compatible compute capability: %s\n", Info->Arch);


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