[OPENMP50]Support for declare variant directive for NVPTX target.
NVPTX does not support global aliases. Instead, we have to copy the full
body of the variant function for the original function.
llvm-svn: 374387
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.h b/clang/lib/CodeGen/CGOpenMPRuntime.h
index b8137a2..9215bd6 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.h
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.h
@@ -291,6 +291,17 @@
/// default location.
virtual unsigned getDefaultLocationReserved2Flags() const { return 0; }
+ /// Tries to emit declare variant function for \p OldGD from \p NewGD.
+ /// \param OrigAddr LLVM IR value for \p OldGD.
+ /// \param IsForDefinition true, if requested emission for the definition of
+ /// \p OldGD.
+ /// \returns true, was able to emit a definition function for \p OldGD, which
+ /// points to \p NewGD.
+ virtual bool tryEmitDeclareVariant(const GlobalDecl &NewGD,
+ const GlobalDecl &OldGD,
+ llvm::GlobalValue *OrigAddr,
+ bool IsForDefinition);
+
/// Returns default flags for the barriers depending on the directive, for
/// which this barier is going to be emitted.
static unsigned getDefaultFlagsForBarriers(OpenMPDirectiveKind Kind);