commit 7b710a4294c1baed0157d86d3e2dabac78c306ce
author Alexey Bataev <a.bataev@hotmail.com> Tue Nov 05 10:10:50 2019 -0500
committer Alexey Bataev <a.bataev@hotmail.com> Tue Nov 05 10:31:59 2019 -0500
tree 55375fd3f16981656b9ad1c0377d5c8f80d572ba
parent 100e797adb433724a17c9b42b6533cd634cb796b

[OPENMP]Improve diagnostics for unsupported unified addressing.

Improved diagnostics for better user experience.

clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp

diff --git a/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp b/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
index eab2d7b..96716c0 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
@@ -4954,7 +4954,8 @@
     const OMPRequiresDecl *D) {
   for (const OMPClause *Clause : D->clauselists()) {
     if (Clause->getClauseKind() == OMPC_unified_shared_memory) {
-      switch (getCudaArch(CGM)) {
+      CudaArch Arch = getCudaArch(CGM);
+      switch (Arch) {
       case CudaArch::SM_20:
       case CudaArch::SM_21:
       case CudaArch::SM_30:
@@ -4966,10 +4967,14 @@
       case CudaArch::SM_53:
       case CudaArch::SM_60:
       case CudaArch::SM_61:
-      case CudaArch::SM_62:
-        CGM.Error(Clause->getBeginLoc(),
-                  "Target architecture does not support unified addressing");
+      case CudaArch::SM_62: {
+        SmallString<256> Buffer;
+        llvm::raw_svector_ostream Out(Buffer);
+        Out << "Target architecture " << CudaArchToString(Arch)
+            << " does not support unified addressing";
+        CGM.Error(Clause->getBeginLoc(), Out.str());
         return;
+      }
       case CudaArch::SM_70:
       case CudaArch::SM_72:
       case CudaArch::SM_75: