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Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 9512b35..1efc39b 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -4483,13 +4483,16 @@ llvm::GlobalValue::LinkageTypes CodeGenModule::getLLVMLinkageForDeclarator(
// and must all be equivalent. However, we are not allowed to
// throw away these explicit instantiations.
//
- // We don't currently support CUDA device code spread out across multiple TUs,
+ // CUDA/HIP: For -fno-gpu-rdc case, device code is limited to one TU,
// so say that CUDA templates are either external (for kernels) or internal.
- // This lets llvm perform aggressive inter-procedural optimizations.
+ // This lets llvm perform aggressive inter-procedural optimizations. For
+ // -fgpu-rdc case, device function calls across multiple TU's are allowed,
+ // therefore we need to follow the normal linkage paradigm.
if (Linkage == GVA_StrongODR) {
- if (Context.getLangOpts().AppleKext)
+ if (getLangOpts().AppleKext)
return llvm::Function::ExternalLinkage;
- if (Context.getLangOpts().CUDA && Context.getLangOpts().CUDAIsDevice)
+ if (getLangOpts().CUDA && getLangOpts().CUDAIsDevice &&
+ !getLangOpts().GPURelocatableDeviceCode)
return D->hasAttr<CUDAGlobalAttr>() ? llvm::Function::ExternalLinkage
: llvm::Function::InternalLinkage;
return llvm::Function::WeakODRLinkage;