[OPENMP] Generate unique names for offloading regions id.

It is required to emit unique names for offloading regions ids. Required
to support compilation and linking of several compilation units.

llvm-svn: 331899

diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index 35f27b2..42f1cea 100644 (file)
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -6286,7 +6286,7 @@ void CGOpenMPRuntime::emitTargetOutlinedFunctionHelper(
     OutlinedFn->setLinkage(llvm::GlobalValue::WeakAnyLinkage);
     OutlinedFn->setDSOLocal(false);
   } else {
-    std::string Name = getName({"omp_offload", "region_id"});
+    std::string Name = getName({EntryFnName, "region_id"});
     OutlinedFnID = new llvm::GlobalVariable(
         CGM.getModule(), CGM.Int8Ty, /*isConstant=*/true,
         llvm::GlobalValue::WeakAnyLinkage,

diff --git a/clang/test/OpenMP/target_is_device_ptr_codegen.cpp b/clang/test/OpenMP/target_is_device_ptr_codegen.cpp
index fb729b1..68ef932 100644 (file)
--- a/clang/test/OpenMP/target_is_device_ptr_codegen.cpp
+++ b/clang/test/OpenMP/target_is_device_ptr_codegen.cpp
@@ -206,12 +206,18 @@ void bar(float *&a, int *&b) {
 
 // CK2: [[ST:%.+]] = type { double*, double** }
 
+// CK2-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l245.region_id = weak constant i8 0
+
 // CK2: [[SIZE00:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} {{8|4}}]
 // CK2: [[MTYPE00:@.+]] = {{.+}}constant [1 x i64] [i64 33]
 
+// CK2-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l269.region_id = weak constant i8 0
+
 // CK2: [[SIZE01:@.+]] = {{.+}}constant [2 x i[[sz]]] [i[[sz]] {{8|4}}, i[[sz]] {{8|4}}]
 // CK2: [[MTYPE01:@.+]] = {{.+}}constant [2 x i64] [i64 32, i64 17]
 
+// CK2-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l301.region_id = weak constant i8 0
+
 // CK2: [[SIZE02:@.+]] = {{.+}}constant [3 x i[[sz]]] [i[[sz]] {{8|4}}, i[[sz]] {{8|4}}, i[[sz]] {{8|4}}]
 // CK2: [[MTYPE02:@.+]] = {{.+}}constant [3 x i64] [i64 33, i64 0, i64 17]
 

diff --git a/clang/test/OpenMP/target_map_codegen.cpp b/clang/test/OpenMP/target_map_codegen.cpp
index 6b15473..5b54af6 100644 (file)
--- a/clang/test/OpenMP/target_map_codegen.cpp
+++ b/clang/test/OpenMP/target_map_codegen.cpp
@@ -39,6 +39,8 @@ public:
 };
 double B::VAR = 1.0;
 
+// CK1-LABEL: @.__omp_offloading_{{.*}}implicit_maps_integer{{.*}}_l68.region_id = weak constant i8 0
+
 // CK1-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK1-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -94,9 +96,14 @@ void implicit_maps_integer (int a){
 // SIMD-ONLY1-NOT: {{__kmpc|__tgt}}
 #ifdef CK2
 
+// CK2-LABEL: @.__omp_offloading_{{.*}}implicit_maps_reference{{.*}}_l128.region_id = weak constant i8 0
+
 // CK2: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK2: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
+
+// CK2-LABEL: @.__omp_offloading_{{.*}}implicit_maps_reference{{.*}}_l147.region_id = weak constant i8 0
+
 // CK2: [[SIZES2:@.+]] = {{.+}}constant [1 x i[[sz]]] zeroinitializer
 // Map types: OMP_MAP_IS_PTR = 32
 // CK2: [[TYPES2:@.+]] = {{.+}}constant [1 x i64] [i64 32]
@@ -181,6 +188,8 @@ void implicit_maps_reference (int a, int *b){
 // SIMD-ONLY2-NOT: {{__kmpc|__tgt}}
 #ifdef CK3
 
+// CK3-LABEL: @.__omp_offloading_{{.*}}implicit_maps_parameter{{.*}}_l214.region_id = weak constant i8 0
+
 // CK3-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK3-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -233,6 +242,8 @@ void implicit_maps_parameter (int a){
 // SIMD-ONLY3-NOT: {{__kmpc|__tgt}}
 #ifdef CK4
 
+// CK4-LABEL: @.__omp_offloading_{{.*}}implicit_maps_nested_integer{{.*}}_l276.region_id = weak constant i8 0
+
 // CK4-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK4-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -297,6 +308,8 @@ void implicit_maps_nested_integer (int a){
 // SIMD-ONLY4-NOT: {{__kmpc|__tgt}}
 #ifdef CK5
 
+// CK5-LABEL: @.__omp_offloading_{{.*}}implicit_maps_nested_integer_and_enum{{.*}}_l340.region_id = weak constant i8 0
+
 // CK5-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK5-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -355,6 +368,8 @@ void implicit_maps_nested_integer_and_enum (int a){
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-targets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY5 %s
 // SIMD-ONLY5-NOT: {{__kmpc|__tgt}}
 #ifdef CK6
+// CK6-LABEL: @.__omp_offloading_{{.*}}implicit_maps_host_global{{.*}}_l397.region_id = weak constant i8 0
+
 // CK6-DAG: [[GBL:@Gi]] = global i32 0
 // CK6-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
@@ -413,6 +428,8 @@ void implicit_maps_host_global (int a){
 // For a 32-bit targets, the value doesn't fit the size of the pointer,
 // therefore it is passed by reference with a map 'to' specification.
 
+// CK7-LABEL: @.__omp_offloading_{{.*}}implicit_maps_double{{.*}}_l464.region_id = weak constant i8 0
+
 // CK7-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 8]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK7-64-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -480,6 +497,8 @@ void implicit_maps_double (int a){
 // SIMD-ONLY7-NOT: {{__kmpc|__tgt}}
 #ifdef CK8
 
+// CK8-LABEL: @.__omp_offloading_{{.*}}implicit_maps_float{{.*}}_l524.region_id = weak constant i8 0
+
 // CK8-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 4]
 // Map types: OMP_MAP_PRIVATE_VAL | OMP_MAP_IS_FIRST = 288
 // CK8-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -532,6 +551,8 @@ void implicit_maps_float (int a){
 // SIMD-ONLY8-NOT: {{__kmpc|__tgt}}
 #ifdef CK9
 
+// CK9-LABEL: @.__omp_offloading_{{.*}}implicit_maps_array{{.*}}_l575.region_id = weak constant i8 0
+
 // CK9-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 16]
 // Map types: OMP_MAP_TO + OMP_MAP_FROM + OMP_MAP_IS_FIRST + OMP_MAP_IMPLICIT = 547
 // CK9-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 547]
@@ -581,6 +602,8 @@ void implicit_maps_array (int a){
 // SIMD-ONLY9-NOT: {{__kmpc|__tgt}}
 #ifdef CK10
 
+// CK10-LABEL: @.__omp_offloading_{{.*}}implicit_maps_pointer{{.*}}_l626.region_id = weak constant i8 0
+
 // CK10-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] zeroinitializer
 // Map types: OMP_MAP_IS_FIRST = 32
 // CK10-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 32]
@@ -631,6 +654,8 @@ void implicit_maps_pointer (){
 // SIMD-ONLY10-NOT: {{__kmpc|__tgt}}
 #ifdef CK11
 
+// CK11-LABEL: @.__omp_offloading_{{.*}}implicit_maps_double_complex{{.*}}_l678.region_id = weak constant i8 0
+
 // CK11-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 16]
 // Map types: OMP_MAP_TO + OMP_MAP_FROM + OMP_MAP_IS_FIRST + OMP_MAP_IMPLICIT = 547
 // CK11-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 547]
@@ -682,6 +707,8 @@ void implicit_maps_double_complex (int a){
 // For a 32-bit targets, the value doesn't fit the size of the pointer,
 // therefore it is passed by reference with a map 'to' specification.
 
+// CK12-LABEL: @.__omp_offloading_{{.*}}implicit_maps_float_complex{{.*}}_l743.region_id = weak constant i8 0
+
 // CK12-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 8]
 // Map types: OMP_MAP_PRIVATE_VAL + OMP_MAP_IS_FIRST = 288
 // CK12-64-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 288]
@@ -748,6 +775,8 @@ void implicit_maps_float_complex (int a){
 // SIMD-ONLY12-NOT: {{__kmpc|__tgt}}
 #ifdef CK13
 
+// CK13-LABEL: @.__omp_offloading_{{.*}}implicit_maps_variable_length_array{{.*}}_l825.region_id = weak constant i8 0
+
 // We don't have a constant map size for VLAs.
 // Map types:
 //  - OMP_MAP_PRIVATE_VAL + OMP_MAP_IS_FIRST = 288 (vla size)
@@ -829,6 +858,9 @@ void implicit_maps_variable_length_array (int a){
 #ifdef CK14
 
 // CK14-DAG: [[ST:%.+]] = type { i32, double }
+
+// CK14-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l877.region_id = weak constant i8 0
+
 // CK14-DAG: [[SIZES:@.+]] = {{.+}}constant [3 x i[[sz:64|32]]] [i{{64|32}} 4, i{{64|32}} 8, i{{64|32}} 4]
 // Map types:
 // - OMP_MAP_TO + OMP_MAP_FROM + OMP_MAP_IS_FIRST + OMP_IMPLICIT_MAP = 547
@@ -1158,6 +1190,7 @@ void implicit_maps_templated_function (int a){
 #ifdef CK17
 
 // CK17-DAG: [[ST:%.+]] = type { i32, double }
+// CK17-LABEL: @.__omp_offloading_{{.*}}implicit_maps_struct{{.*}}_l1219.region_id = weak constant i8 0
 // CK17-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} {{16|12}}]
 // Map types: OMP_MAP_TO + OMP_MAP_FROM + OMP_MAP_IS_FIRST + OMP_MAP_IMPLICIT = 547
 // CK17-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 547]
@@ -1273,125 +1306,170 @@ void implicit_maps_template_type_capture (int a){
 // SIMD-ONLY18-NOT: {{__kmpc|__tgt}}
 #ifdef CK19
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1493.region_id = weak constant i8 0
 // CK19: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK19: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
-// CK19: [[SIZE00n:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1514.region_id = weak constant i8 0
+// CK19: [[SIZE00n:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE00n:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1536.region_id = weak constant i8 0
 // CK19: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK19: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1555.region_id = weak constant i8 0
 // CK19: [[SIZE02:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 240]
 // CK19: [[MTYPE02:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1574.region_id = weak constant i8 0
 // CK19: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 240]
 // CK19: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1593.region_id = weak constant i8 0
 // CK19: [[SIZE04:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK19: [[MTYPE04:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1612.region_id = weak constant i8 0
 // CK19: [[SIZE05:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE05:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1635.region_id = weak constant i8 0
 // CK19: [[MTYPE06:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1658.region_id = weak constant i8 0
 // CK19: [[MTYPE07:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1677.region_id = weak constant i8 0
 // CK19: [[SIZE08:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE08:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1698.region_id = weak constant i8 0
 // CK19: [[SIZE09:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK19: [[MTYPE09:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1719.region_id = weak constant i8 0
 // CK19: [[SIZE10:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 240]
 // CK19: [[MTYPE10:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1740.region_id = weak constant i8 0
 // CK19: [[SIZE11:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 240]
 // CK19: [[MTYPE11:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1761.region_id = weak constant i8 0
 // CK19: [[SIZE12:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE12:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1786.region_id = weak constant i8 0
 // CK19: [[MTYPE13:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1811.region_id = weak constant i8 0
 // CK19: [[MTYPE14:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1832.region_id = weak constant i8 0
 // CK19: [[SIZE15:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE15:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1866.region_id = weak constant i8 0
 // CK19: [[MTYPE16:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1892.region_id = weak constant i8 0
 // CK19: [[SIZE17:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 240]
 // CK19: [[MTYPE17:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 34]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1918.region_id = weak constant i8 0
 // CK19: [[SIZE18:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 240]
 // CK19: [[MTYPE18:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1950.region_id = weak constant i8 0
 // CK19: [[MTYPE19:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 32]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l1976.region_id = weak constant i8 0
 // CK19: [[SIZE20:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK19: [[MTYPE20:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 33]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2008.region_id = weak constant i8 0
 // CK19: [[MTYPE21:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2034.region_id = weak constant i8 0
 // CK19: [[SIZE22:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK19: [[MTYPE22:@.+]] = private {{.*}}constant [2 x i64] [i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2053.region_id = weak constant i8 0
 // CK19: [[SIZE23:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE23:@.+]] = private {{.*}}constant [1 x i64] [i64 39]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2075.region_id = weak constant i8 0
 // CK19: [[SIZE24:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 480]
 // CK19: [[MTYPE24:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2096.region_id = weak constant i8 0
 // CK19: [[SIZE25:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK19: [[MTYPE25:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2117.region_id = weak constant i8 0
 // CK19: [[SIZE26:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 24]
 // CK19: [[MTYPE26:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2138.region_id = weak constant i8 0
 // CK19: [[SIZE27:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK19: [[MTYPE27:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2183.region_id = weak constant i8 0
 // CK19: [[SIZE28:@.+]] = private {{.*}}constant [3 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 16]
 // CK19: [[MTYPE28:@.+]] = private {{.*}}constant [3 x i64] [i64 35, i64 19, i64 19]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2228.region_id = weak constant i8 0
 // CK19: [[SIZE29:@.+]] = private {{.*}}constant [3 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK19: [[MTYPE29:@.+]] = private {{.*}}constant [3 x i64] [i64 35, i64 19, i64 19]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2284.region_id = weak constant i8 0
 // CK19: [[MTYPE30:@.+]] = private {{.*}}constant [4 x i64] [i64 288, i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2328.region_id = weak constant i8 0
 // CK19: [[SIZE31:@.+]] = private {{.*}}constant [4 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 40]
 // CK19: [[MTYPE31:@.+]] = private {{.*}}constant [4 x i64] [i64 288, i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2351.region_id = weak constant i8 0
 // CK19: [[SIZE32:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 13728]
 // CK19: [[MTYPE32:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2370.region_id = weak constant i8 0
 // CK19: [[SIZE33:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 13728]
 // CK19: [[MTYPE33:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2389.region_id = weak constant i8 0
 // CK19: [[SIZE34:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 13728]
 // CK19: [[MTYPE34:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2414.region_id = weak constant i8 0
 // CK19: [[MTYPE35:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2435.region_id = weak constant i8 0
 // CK19: [[SIZE36:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 208]
 // CK19: [[MTYPE36:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2475.region_id = weak constant i8 0
 // CK19: [[MTYPE37:@.+]] = private {{.*}}constant [3 x i64] [i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2517.region_id = weak constant i8 0
 // CK19: [[MTYPE38:@.+]] = private {{.*}}constant [3 x i64] [i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2559.region_id = weak constant i8 0
 // CK19: [[MTYPE39:@.+]] = private {{.*}}constant [3 x i64] [i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2601.region_id = weak constant i8 0
 // CK19: [[MTYPE40:@.+]] = private {{.*}}constant [3 x i64] [i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2636.region_id = weak constant i8 0
 // CK19: [[SIZE41:@.+]] = private {{.*}}constant [3 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 208]
 // CK19: [[MTYPE41:@.+]] = private {{.*}}constant [3 x i64] [i64 288, i64 288, i64 35]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2681.region_id = weak constant i8 0
 // CK19: [[SIZE42:@.+]] = private {{.*}}constant [3 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 104]
 // CK19: [[MTYPE42:@.+]] = private {{.*}}constant [3 x i64] [i64 35, i64 19, i64 19]
 
+// CK19-LABEL: @.__omp_offloading_{{.*}}explicit_maps_single{{.*}}_l2706.region_id = weak constant i8 0
 // CK19: [[MTYPE43:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
 // CK19-LABEL: explicit_maps_single
@@ -2696,15 +2774,19 @@ void explicit_maps_single (int ii){
 // SIMD-ONLY19-NOT: {{__kmpc|__tgt}}
 #ifdef CK20
 
+// CK20-LABEL: @.__omp_offloading_{{.*}}explicit_maps_references_and_function_args{{.*}}_l2816.region_id = weak constant i8 0
 // CK20: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK20: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK20-LABEL: @.__omp_offloading_{{.*}}explicit_maps_references_and_function_args{{.*}}_l2837.region_id = weak constant i8 0
 // CK20: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 20]
 // CK20: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK20-LABEL: @.__omp_offloading_{{.*}}explicit_maps_references_and_function_args{{.*}}_l2855.region_id = weak constant i8 0
 // CK20: [[SIZE02:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK20: [[MTYPE02:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK20-LABEL: @.__omp_offloading_{{.*}}explicit_maps_references_and_function_args{{.*}}_l2876.region_id = weak constant i8 0
 // CK20: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 12]
 // CK20: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
@@ -2821,21 +2903,27 @@ void explicit_maps_references_and_function_args (int a, float b, int (&c)[10], f
 #ifdef CK21
 // CK21: [[ST:%.+]] = type { i32, i32, float* }
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK21: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 492]
 // CK21: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE02:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 500]
 // CK21: [[MTYPE02:@.+]] = private {{.*}}constant [2 x i64] [i64 34, i64 18]
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 492]
 // CK21: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE04:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK21: [[MTYPE04:@.+]] = private {{.*}}constant [1 x i64] [i64 34]
 
+// CK21-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK21: [[SIZE05:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] 4, i[[Z]] 4]
 // CK21: [[MTYPE05:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 3]
 
@@ -3020,48 +3108,63 @@ int explicit_maps_template_args_and_members(int a){
 // CK22-DAG: [[ST:%.+]] = type { float }
 // CK22-DAG: [[STT:%.+]] = type { i32 }
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK22: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK22: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE02:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK22: [[MTYPE02:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK22: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE04:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 20]
 // CK22: [[MTYPE04:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE05:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK22: [[MTYPE05:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE06:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK22: [[MTYPE06:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE07:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK22: [[MTYPE07:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE08:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK22: [[MTYPE08:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE09:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 20]
 // CK22: [[MTYPE09:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE10:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK22: [[MTYPE10:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE11:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK22: [[MTYPE11:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE12:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK22: [[MTYPE12:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE13:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK22: [[MTYPE13:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK22-LABEL: @.__omp_offloading_{{.*}}explicit_maps_globals{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK22: [[SIZE14:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 20]
 // CK22: [[MTYPE14:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
@@ -3372,21 +3475,27 @@ int explicit_maps_globals(void){
 // SIMD-ONLY22-NOT: {{__kmpc|__tgt}}
 #ifdef CK23
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK23: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK23: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE02:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK23: [[MTYPE02:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK23: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE04:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK23: [[MTYPE04:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK23-LABEL: @.__omp_offloading_{{.*}}explicit_maps_inside_captured{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK23: [[SIZE05:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 16]
 // CK23: [[MTYPE05:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
@@ -3570,42 +3679,55 @@ struct SC{
   int b[10];
 };
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK24: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE13:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK24: [[MTYPE13:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE14:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{56|48}}]
 // CK24: [[MTYPE14:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE15:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK24: [[MTYPE15:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE16:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 20]
 // CK24: [[MTYPE16:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE17:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{3560|2880}}]
 // CK24: [[MTYPE17:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 19]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE18:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK24: [[MTYPE18:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE19:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK24: [[MTYPE19:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 19]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE20:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK24: [[MTYPE20:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 19]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE21:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK24: [[MTYPE21:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 19]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE22:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] {{8|4}}]
 // CK24: [[MTYPE22:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE23:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}]
 // CK24: [[MTYPE23:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 19]
 
+// CK24-LABEL: @.__omp_offloading_{{.*}}explicit_maps_struct_fields{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK24: [[SIZE24:@.+]] = private {{.*}}constant [4 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 4]
 // CK24: [[MTYPE24:@.+]] = private {{.*}}constant [4 x i64] [i64 35, i64 19, i64 19, i64 19]
 
@@ -4024,9 +4146,11 @@ int explicit_maps_struct_fields(int a){
 // CK25: [[CA00:%.+]] = type { [[ST]]* }
 // CK25: [[CA01:%.+]] = type { i32* }
 
+// CK25-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK25: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] 4]
 // CK25: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
+// CK25-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK25: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK25: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 33]
 
@@ -4124,15 +4248,19 @@ int explicit_maps_with_inner_lambda(int a){
 #ifdef CK26
 // CK26: [[ST:%.+]] = type { i32, float*, i32, float* }
 
+// CK26-LABEL: @.__omp_offloading_{{.*}}CC{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK26: [[SIZE00:@.+]] = private {{.*}}constant [2 x i[[Z:64|32]]] [i[[Z:64|32]] {{32|16}}, i[[Z:64|32]] 4]
 // CK26: [[MTYPE00:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 35]
 
+// CK26-LABEL: @.__omp_offloading_{{.*}}CC{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK26: [[SIZE01:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{32|16}}, i[[Z]] 4]
 // CK26: [[MTYPE01:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 35]
 
+// CK26-LABEL: @.__omp_offloading_{{.*}}CC{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK26: [[SIZE02:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{32|16}}, i[[Z]] 4]
 // CK26: [[MTYPE02:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 35]
 
+// CK26-LABEL: @.__omp_offloading_{{.*}}CC{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK26: [[SIZE03:@.+]] = private {{.*}}constant [2 x i[[Z]]] [i[[Z]] {{32|16}}, i[[Z]] 4]
 // CK26: [[MTYPE03:@.+]] = private {{.*}}constant [2 x i64] [i64 35, i64 35]
 
@@ -4315,24 +4443,34 @@ int explicit_maps_with_private_class_members(){
 // SIMD-ONLY26-NOT: {{__kmpc|__tgt}}
 #ifdef CK27
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] zeroinitializer
 // CK27: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] zeroinitializer
 // CK27: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE02:@.+]] = private {{.*}}constant [1 x i[[Z]]] zeroinitializer
 // CK27: [[MTYPE02:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE03:@.+]] = private {{.*}}constant [1 x i[[Z]]] zeroinitializer
 // CK27: [[MTYPE03:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE05:@.+]] = private {{.*}}constant [1 x i[[Z]]] zeroinitializer
 // CK27: [[MTYPE05:@.+]] = private {{.*}}constant [1 x i64] [i64 32]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE07:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 4]
 // CK27: [[MTYPE07:@.+]] = private {{.*}}constant [1 x i64] [i64 288]
 
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
+// CK27-LABEL: @.__omp_offloading_{{.*}}zero_size_section_and_private_maps{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK27: [[SIZE09:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 40]
 // CK27: [[MTYPE09:@.+]] = private {{.*}}constant [1 x i64] [i64 161]
 
@@ -4534,9 +4672,11 @@ void zero_size_section_and_private_maps (int ii){
 // SIMD-ONLY27-NOT: {{__kmpc|__tgt}}
 #ifdef CK28
 
+// CK28-LABEL: @.__omp_offloading_{{.*}}explicit_maps_pointer_references{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK28: [[SIZE00:@.+]] = private {{.*}}constant [1 x i[[Z:64|32]]] [i[[Z:64|32]] {{8|4}}]
 // CK28: [[MTYPE00:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
+// CK28-LABEL: @.__omp_offloading_{{.*}}explicit_maps_pointer_references{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK28: [[SIZE01:@.+]] = private {{.*}}constant [1 x i[[Z]]] [i[[Z]] 400]
 // CK28: [[MTYPE01:@.+]] = private {{.*}}constant [1 x i64] [i64 35]
 
@@ -4608,12 +4748,15 @@ void explicit_maps_pointer_references (int *p){
 // CK29: [[SSA:%.+]] = type { double*, double** }
 // CK29: [[SSB:%.+]]  = type { [[SSA]]*, [[SSA]]** }
 
+// CK29-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK29: [[SIZE00:@.+]] = private {{.*}}constant [4 x i[[Z:64|32]]] [i[[Z:64|32]] {{8|4}}, i[[Z:64|32]] {{8|4}}, i[[Z:64|32]] {{8|4}}, i[[Z:64|32]] 80]
 // CK29: [[MTYPE00:@.+]] = private {{.*}}constant [4 x i64] [i64 35, i64 16, i64 19, i64 19]
 
+// CK29-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK29: [[SIZE01:@.+]] = private {{.*}}constant [4 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 80]
 // CK29: [[MTYPE01:@.+]] = private {{.*}}constant [4 x i64] [i64 32, i64 19, i64 19, i64 19]
 
+// CK29-LABEL: @.__omp_offloading_{{.*}}foo{{.*}}_l{{[0-9]+}}.region_id = weak constant i8 0
 // CK29: [[SIZE02:@.+]] = private {{.*}}constant [5 x i[[Z]]] [i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] {{8|4}}, i[[Z]] 80]
 // CK29: [[MTYPE02:@.+]] = private {{.*}}constant [5 x i64] [i64 32, i64 19, i64 16, i64 19, i64 19]