[flang][OpenMP] Add OpenMP versions to some tests (#89295)

Some constructs used in the tests are only allowed in certain OpenMP
spec versions. Add a flag with the minimum required OpenMP version
(other than the default version) to these tests that need it.

Author: kparzysz

flang/test/Lower/OpenMP/FIR/if-clause.f90

@@ -1,7 +1,9 @@
 ! This test checks lowering of OpenMP IF clauses.
 
-! RUN: bbc -fopenmp -emit-fir %s -o - | FileCheck %s
-! RUN: %flang_fc1 -fopenmp -emit-fir %s -o - | FileCheck %s
+! The "if" clause was added to the "simd" directive in OpenMP 5.0, and
+! to the "teams" directive in OpenMP 5.2.
+! RUN: bbc -fopenmp -fopenmp-version=52 -emit-fir %s -o - | FileCheck %s
+! RUN: %flang_fc1 -fopenmp -fopenmp-version=52 -emit-fir %s -o - | FileCheck %s
 
 program main
   integer :: i

flang/test/Lower/OpenMP/FIR/simd.f90

@@ -1,6 +1,7 @@
 ! Tests for 2.9.3.1 Simd
 
-! RUN: bbc -fopenmp -emit-fir -hlfir=false %s -o - | FileCheck %s
+! The "if" clause was added to the "simd" directive in OpenMP 5.0.
+! RUN: bbc -fopenmp -fopenmp-version=50 -emit-fir -hlfir=false %s -o - | FileCheck %s
 
 !CHECK-LABEL: func @_QPsimd()
 subroutine simd

flang/test/Lower/OpenMP/FIR/target.f90

@@ -1,4 +1,5 @@
-!RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -fopenmp %s -o - | FileCheck %s
+! The "thread_limit" clause was added to the "target" construct in OpenMP 5.1.
+! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -fopenmp -fopenmp-version=51 %s -o - | FileCheck %s
 
 !===============================================================================
 ! Target_Enter Simple

flang/test/Lower/OpenMP/if-clause.f90

@@ -1,7 +1,9 @@
 ! This test checks lowering of OpenMP IF clauses.
 
-! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
-! RUN: %flang_fc1 -fopenmp -emit-hlfir %s -o - | FileCheck %s
+! The "if" clause was added to the "simd" directive in OpenMP 5.0, and
+! to the "teams" directive in OpenMP 5.2.
+! RUN: bbc -fopenmp -fopenmp-version=52 -emit-hlfir %s -o - | FileCheck %s
+! RUN: %flang_fc1 -fopenmp -fopenmp-version=52 -emit-hlfir %s -o - | FileCheck %s
 
 program main
   integer :: i

flang/test/Lower/OpenMP/simd.f90

@@ -1,7 +1,8 @@
 ! Tests for 2.9.3.1 Simd
 
-!RUN: %flang_fc1 -flang-experimental-hlfir -emit-hlfir -fopenmp %s -o - | FileCheck %s
-!RUN: bbc -hlfir -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! The "if" clause was added to the "simd" directive in OpenMP 5.0.
+! RUN: %flang_fc1 -flang-experimental-hlfir -emit-hlfir -fopenmp -fopenmp-version=50 %s -o - | FileCheck %s
+! RUN: bbc -hlfir -emit-hlfir -fopenmp -fopenmp-version=50 %s -o - | FileCheck %s
 
 !CHECK-LABEL: func @_QPsimd()
 subroutine simd

flang/test/Lower/OpenMP/target.f90

@@ -1,4 +1,5 @@
-!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! The "thread_limit" clause was added to the "target" construct in OpenMP 5.1.
+! RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=51 %s -o - | FileCheck %s
 
 !===============================================================================
 ! Target_Enter Simple

flang/test/Lower/OpenMP/use-device-ptr-to-use-device-addr.f90

@@ -1,5 +1,6 @@
-!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
-!RUN: bbc -emit-hlfir -fopenmp %s -o - | FileCheck %s
+! The "use_device_addr" was added to the "target data" directive in OpenMP 5.0.
+! RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=50 %s -o - | FileCheck %s
+! RUN: bbc -emit-hlfir -fopenmp -fopenmp-version=50 %s -o - | FileCheck %s
 
 ! This tests primary goal is to check the promotion of 
 ! non-CPTR arguments from use_device_ptr to