commit 7cb25c9b69c9095ea268b13c4b75d92e3f2ac3e9
author Artem Belevich <tra@google.com> Thu Sep 10 18:24:23 2015 +0000
committer Artem Belevich <tra@google.com> Thu Sep 10 18:24:23 2015 +0000
tree a673f37406032a92c70b87378a9ed24350c149e7
parent 7ad7ae1fac53b9f5743eb55808a0d39f63295dff

[CUDA] Postprocess bitcode linked in during device-side CUDA compilation.

Link in and internalize the symbols we need from supplied bitcode library.

Differential Revision: http://reviews.llvm.org/D11664

llvm-svn: 247317

clang/lib/CodeGen/CodeGenAction.cpp

diff --git a/clang/lib/CodeGen/CodeGenAction.cpp b/clang/lib/CodeGen/CodeGenAction.cpp
index 062c7be..b70a080 100644
--- a/clang/lib/CodeGen/CodeGenAction.cpp
+++ b/clang/lib/CodeGen/CodeGenAction.cpp
@@ -159,7 +159,12 @@
       if (LinkModule) {
         if (Linker::LinkModules(
                 M, LinkModule.get(),
-                [=](const DiagnosticInfo &DI) { linkerDiagnosticHandler(DI); }))
+                [=](const DiagnosticInfo &DI) { linkerDiagnosticHandler(DI); },
+                (LangOpts.CUDA && LangOpts.CUDAIsDevice &&
+                 LangOpts.CUDAUsesLibDevice)
+                    ? (Linker::Flags::LinkOnlyNeeded |
+                       Linker::Flags::InternalizeLinkedSymbols)
+                    : Linker::Flags::None))
           return;
       }