[PATCH] D37913: [OpenMP] Enable the existing nocudalib flag for OpenMP offloading toolchain.

[Gheorghe-Teodor Bercea via Phabricator via cfe-commits]

gtbercea updated this revision to Diff 115943.
gtbercea added a comment.

Don't take into account unknown CUDA archs not even for testing purposes.


Repository:
  rL LLVM

https://reviews.llvm.org/D37913

Files:
  lib/Driver/ToolChains/Cuda.cpp
  test/Driver/openmp-offload-gpu.c


Index: test/Driver/openmp-offload-gpu.c
===================================================================
--- test/Driver/openmp-offload-gpu.c
+++ test/Driver/openmp-offload-gpu.c
@@ -125,3 +125,12 @@
 // RUN:   | FileCheck -check-prefix=CHK-PTXAS-RELO %s
 
 // CHK-PTXAS-RELO: ptxas{{.*}}" "-c"
+
+/// ###########################################################################
+
+/// Check that error is not thrown by toolchain when no cuda lib flag is used.
+/// Check that the flag is passed when -fopenmp-relocatable-target is used.
+// RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target -march=sm_60 -nocudalib -fopenmp-relocatable-target -save-temps -no-canonical-prefixes %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=CHK-FLAG-NOLIBDEVICE %s
+
+// CHK-FLAG-NOLIBDEVICE-NOT: error:{{.*}}sm_60
Index: lib/Driver/ToolChains/Cuda.cpp
===================================================================
--- lib/Driver/ToolChains/Cuda.cpp
+++ lib/Driver/ToolChains/Cuda.cpp
@@ -492,11 +492,11 @@
     if (DriverArgs.hasFlag(options::OPT_fcuda_approx_transcendentals,
                            options::OPT_fno_cuda_approx_transcendentals, false))
       CC1Args.push_back("-fcuda-approx-transcendentals");
-
-    if (DriverArgs.hasArg(options::OPT_nocudalib))
-      return;
   }
 
+  if (DriverArgs.hasArg(options::OPT_nocudalib))
+    return;
+
   std::string LibDeviceFile = CudaInstallation.getLibDeviceFile(GpuArch);
 
   if (LibDeviceFile.empty()) {


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D37913.115943.patch
Type: text/x-patch
Size: 1500 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170920/63c1c3c5/attachment.bin>