[OPENMP] Support for -fopenmp-simd option with compilation of simd loops
only.

Added support for -fopenmp-simd option that allows compilation of
simd-based constructs without emission of OpenMP runtime calls.

llvm-svn: 321560
diff --git a/clang/test/OpenMP/declare_reduction_codegen.c b/clang/test/OpenMP/declare_reduction_codegen.c
index 579b664..8ccb8cc 100644
--- a/clang/test/OpenMP/declare_reduction_codegen.c
+++ b/clang/test/OpenMP/declare_reduction_codegen.c
@@ -1,6 +1,11 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c -emit-llvm %s -triple %itanium_abi_triple -o - -femit-all-decls -disable-llvm-passes | FileCheck %s
 // RUN: %clang_cc1 -fopenmp -x c -triple %itanium_abi_triple -emit-pch -o %t %s -femit-all-decls -disable-llvm-passes
 // RUN: %clang_cc1 -fopenmp -x c -triple %itanium_abi_triple -include-pch %t -verify %s -emit-llvm -o - -femit-all-decls -disable-llvm-passes | FileCheck --check-prefix=CHECK-LOAD %s
+
+// RUN: %clang_cc1 -verify -fopenmp-simd -x c -emit-llvm %s -triple %itanium_abi_triple -o - -femit-all-decls -disable-llvm-passes | FileCheck --check-prefix SIMD-ONLY0 %s
+// RUN: %clang_cc1 -fopenmp-simd -x c -triple %itanium_abi_triple -emit-pch -o %t %s -femit-all-decls -disable-llvm-passes
+// RUN: %clang_cc1 -fopenmp-simd -x c -triple %itanium_abi_triple -include-pch %t -verify %s -emit-llvm -o - -femit-all-decls -disable-llvm-passes | FileCheck --check-prefix SIMD-ONLY0 %s
+// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
 // expected-no-diagnostics
 
 #ifndef HEADER