[OPENMP] Fix for LCV in simd directives in explicit clauses.

If loop control variable for simd-based directives is explicitly marked
as linear/lastprivate in clauses, codegen for such construct would
crash. Patch fixes this problem.

llvm-svn: 267101

1 files changed, 13 insertions, 1 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 28754c306ba..17b7fcaa255 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2309,7 +2309,17 @@ public:
   /// it is the last iteration of the loop code in associated directive, or to
   /// 'i1 false' otherwise. If this item is nullptr, no final check is required.
   void EmitOMPLastprivateClauseFinal(const OMPExecutableDirective &D,
+                                     bool NoFinals,
                                      llvm::Value *IsLastIterCond = nullptr);
+  /// Emit initial code for linear clauses.
+  void EmitOMPLinearClause(const OMPLoopDirective &D,
+                           CodeGenFunction::OMPPrivateScope &PrivateScope);
+  /// Emit final code for linear clauses.
+  /// \param CondGen Optional conditional code for final part of codegen for
+  /// linear clause.
+  void EmitOMPLinearClauseFinal(
+      const OMPLoopDirective &D,
+      const llvm::function_ref<llvm::Value *(CodeGenFunction &)> &CondGen);
   /// \brief Emit initial code for reduction variables. Creates reduction copies
   /// and initializes them with the values according to OpenMP standard.
   ///
@@ -2390,9 +2400,11 @@ public:
       const llvm::function_ref<void(CodeGenFunction &)> &PostIncGen);
 
   JumpDest getOMPCancelDestination(OpenMPDirectiveKind Kind);
+  /// Emit initial code for loop counters of loop-based directives.
+  void EmitOMPPrivateLoopCounters(const OMPLoopDirective &S,
+                                  OMPPrivateScope &LoopScope);
 
 private:
-
   /// Helpers for the OpenMP loop directives.
   void EmitOMPLoopBody(const OMPLoopDirective &D, JumpDest LoopExit);
   void EmitOMPSimdInit(const OMPLoopDirective &D, bool IsMonotonic = false);