[PATCH] D37914: [OpenMP] Don't throw cudalib not found error if only front-end is required.

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

gtbercea updated this revision to Diff 115502.
gtbercea added a comment.

Fix diff.


Repository:
  rL LLVM

https://reviews.llvm.org/D37914

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 device is found when using -c -S.
+/// Check that the flag is passed when -fopenmp-relocatable-target is used.
+// RUN:   %clang -### -c -S -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target -march=sm_99 -fopenmp-relocatable-target -save-temps -no-canonical-prefixes %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=CHK-NOLIBDEVICE %s
+
+// CHK-NOLIBDEVICE-NOT: error:{{.*}}sm_99
Index: lib/Driver/ToolChains/Cuda.cpp
===================================================================
--- lib/Driver/ToolChains/Cuda.cpp
+++ lib/Driver/ToolChains/Cuda.cpp
@@ -502,6 +502,11 @@
   std::string LibDeviceFile = CudaInstallation.getLibDeviceFile(GpuArch);
 
   if (LibDeviceFile.empty()) {
+    if (DeviceOffloadingKind == Action::OFK_OpenMP &&
+        DriverArgs.hasArg(options::OPT_c) &&
+        DriverArgs.hasArg(options::OPT_S))
+      return;
+
     getDriver().Diag(diag::err_drv_no_cuda_libdevice) << GpuArch;
     return;
   }


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