[NFC][MLIR][OpenMP] Correct attach_none to attach_never (#176855)

Originally gave attach_never the incorrect name, so this patch corrects
that to keep things consistent everywhere.

mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td

diff --git a/mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td b/mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td
index ea5489f..707850c 100644
--- a/mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td
+++ b/mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td
@@ -123,7 +123,7 @@
 def ClauseMapFlagsOMPXHold : I32BitEnumAttrCaseBit<"ompx_hold", 11>;
 def ClauseMapFlagsAttach : I32BitEnumAttrCaseBit<"attach", 12>;
 def ClauseMapFlagsAttachAlways : I32BitEnumAttrCaseBit<"attach_always", 13>;
-def ClauseMapFlagsAttachNone : I32BitEnumAttrCaseBit<"attach_none", 14>;
+def ClauseMapFlagsAttachNever : I32BitEnumAttrCaseBit<"attach_never", 14>;
 def ClauseMapFlagsAttachAuto : I32BitEnumAttrCaseBit<"attach_auto", 15>;
 def ClauseMapFlagsRefPtr : I32BitEnumAttrCaseBit<"ref_ptr", 16>;
 def ClauseMapFlagsRefPtee : I32BitEnumAttrCaseBit<"ref_ptee", 17>;
@@ -148,7 +148,7 @@
       ClauseMapFlagsOMPXHold,
       ClauseMapFlagsAttach,
       ClauseMapFlagsAttachAlways,
-      ClauseMapFlagsAttachNone,
+      ClauseMapFlagsAttachNever,
       ClauseMapFlagsAttachAuto,
       ClauseMapFlagsRefPtr,
       ClauseMapFlagsRefPtee,

mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp

diff --git a/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp b/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
index cf25fc5..be06700 100644
--- a/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
+++ b/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
@@ -1803,8 +1803,8 @@
     if (mapTypeMod == "attach_always")
       mapTypeBits |= ClauseMapFlags::attach_always;
 
-    if (mapTypeMod == "attach_none")
-      mapTypeBits |= ClauseMapFlags::attach_none;
+    if (mapTypeMod == "attach_never")
+      mapTypeBits |= ClauseMapFlags::attach_never;
 
     if (mapTypeMod == "attach_auto")
       mapTypeBits |= ClauseMapFlags::attach_auto;
@@ -1880,8 +1880,8 @@
     mapTypeStrs.push_back("attach");
   if (mapTypeToBool(mapFlags, ClauseMapFlags::attach_always))
     mapTypeStrs.push_back("attach_always");
-  if (mapTypeToBool(mapFlags, ClauseMapFlags::attach_none))
-    mapTypeStrs.push_back("attach_none");
+  if (mapTypeToBool(mapFlags, ClauseMapFlags::attach_never))
+    mapTypeStrs.push_back("attach_never");
   if (mapTypeToBool(mapFlags, ClauseMapFlags::attach_auto))
     mapTypeStrs.push_back("attach_auto");
   if (mapTypeToBool(mapFlags, ClauseMapFlags::ref_ptr))

mlir/test/Dialect/OpenMP/ops.mlir

diff --git a/mlir/test/Dialect/OpenMP/ops.mlir b/mlir/test/Dialect/OpenMP/ops.mlir
index 902d962..c583d0a 100644
--- a/mlir/test/Dialect/OpenMP/ops.mlir
+++ b/mlir/test/Dialect/OpenMP/ops.mlir
@@ -3340,7 +3340,7 @@
     // CHECK: %{{.*}}map_clauses(ompx_hold){{.*}}
     // CHECK: %{{.*}}map_clauses(attach){{.*}}
     // CHECK: %{{.*}}map_clauses(attach_always){{.*}}
-    // CHECK: %{{.*}}map_clauses(attach_none){{.*}}
+    // CHECK: %{{.*}}map_clauses(attach_never){{.*}}
     // CHECK: %{{.*}}map_clauses(attach_auto){{.*}}
     // CHECK: %{{.*}}map_clauses(ref_ptr){{.*}}
     // CHECK: %{{.*}}map_clauses(ref_ptee){{.*}}
@@ -3360,7 +3360,7 @@
     %mapv12 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(ompx_hold) capture(ByRef) -> memref<?xi32> {name = ""}
     %mapv13 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(attach) capture(ByRef) -> memref<?xi32> {name = ""}
     %mapv14 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(attach_always) capture(ByRef) -> memref<?xi32> {name = ""}
-    %mapv15 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(attach_none) capture(ByRef) -> memref<?xi32> {name = ""}
+    %mapv15 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(attach_never) capture(ByRef) -> memref<?xi32> {name = ""}
     %mapv16 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(attach_auto) capture(ByRef) -> memref<?xi32> {name = ""}
     %mapv17 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(ref_ptr) capture(ByRef) -> memref<?xi32> {name = ""}
     %mapv18 = omp.map.info var_ptr(%arg0 : memref<?xi32>, tensor<?xi32>) map_clauses(ref_ptee) capture(ByRef) -> memref<?xi32> {name = ""}