1 files changed, 7 insertions, 1 deletions
diff --git a/polly/lib/CodeGen/LoopGenerators.cpp b/polly/lib/CodeGen/LoopGenerators.cpp
index beded43eee0..16964b32d0c 100644
--- a/polly/lib/CodeGen/LoopGenerators.cpp
+++ b/polly/lib/CodeGen/LoopGenerators.cpp
@@ -259,7 +259,13 @@ Function *ParallelLoopGenerator::createSubFnDefinition() {
   std::vector<Type *> Arguments(1, Builder.getInt8PtrTy());
   FunctionType *FT = FunctionType::get(Builder.getVoidTy(), Arguments, false);
   Function *SubFn = Function::Create(FT, Function::InternalLinkage,
-                                     F->getName() + ".polly.subfn", M);
+                                     F->getName() + "_polly_subfn", M);
+
+  // Certain backends (e.g., NVPTX) do not support '.'s in function names.
+  // Hence, we ensure that all '.'s are replaced by '_'s.
+  std::string FunctionName = SubFn->getName();
+  std::replace(FunctionName.begin(), FunctionName.end(), '.', '_');
+  SubFn->setName(FunctionName);
 
   // Do not run any polly pass on the new function.
   SubFn->addFnAttr(PollySkipFnAttr);