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[OpenMP][TR12] change property of map-type modifier. (#90499)
map-type change to "default" instead "ultimate" from [OpenMP5.2] The change is allowed map-type to be placed any locations within map modifiers, besides the last location in the modifiers-list, also map-type can be omitted afterward.
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4 files changed

+162
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‎clang/include/clang/Basic/DiagnosticParseKinds.td‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1438,13 +1438,18 @@ def err_omp_decl_in_declare_simd_variant : Error<
14381438
def err_omp_sink_and_source_iteration_not_allowd: Error<" '%0 %select{sink:|source:}1' must be with '%select{omp_cur_iteration - 1|omp_cur_iteration}1'">;
14391439
def err_omp_unknown_map_type : Error<
14401440
"incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'">;
1441+
def err_omp_more_one_map_type : Error<"map type is already specified">;
1442+
def note_previous_map_type_specified_here
1443+
: Note<"map type '%0' is previous specified here">;
14411444
def err_omp_unknown_map_type_modifier : Error<
14421445
"incorrect map type modifier, expected one of: 'always', 'close', 'mapper'"
14431446
"%select{|, 'present'|, 'present', 'iterator'}0%select{|, 'ompx_hold'}1">;
14441447
def err_omp_map_type_missing : Error<
14451448
"missing map type">;
14461449
def err_omp_map_type_modifier_missing : Error<
14471450
"missing map type modifier">;
1451+
def err_omp_map_modifier_specification_list : Error<
1452+
"empty modifier-specification-list is not allowed">;
14481453
def err_omp_declare_simd_inbranch_notinbranch : Error<
14491454
"unexpected '%0' clause, '%1' is specified already">;
14501455
def err_omp_expected_clause_argument

‎clang/lib/Parse/ParseOpenMP.cpp‎

Lines changed: 40 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -4228,13 +4228,20 @@ bool Parser::parseMapperModifier(SemaOpenMP::OpenMPVarListDataTy &Data) {
42284228
return T.consumeClose();
42294229
}
42304230

4231+
static OpenMPMapClauseKind isMapType(Parser &P);
4232+
42314233
/// Parse map-type-modifiers in map clause.
4232-
/// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list)
4234+
/// map([ [map-type-modifier[,] [map-type-modifier[,] ...] [map-type] : ] list)
42334235
/// where, map-type-modifier ::= always | close | mapper(mapper-identifier) |
42344236
/// present
4237+
/// where, map-type ::= alloc | delete | from | release | to | tofrom
42354238
bool Parser::parseMapTypeModifiers(SemaOpenMP::OpenMPVarListDataTy &Data) {
4239+
bool HasMapType = false;
4240+
SourceLocation PreMapLoc = Tok.getLocation();
4241+
StringRef PreMapName = "";
42364242
while (getCurToken().isNot(tok::colon)) {
42374243
OpenMPMapModifierKind TypeModifier = isMapModifier(*this);
4244+
OpenMPMapClauseKind MapKind = isMapType(*this);
42384245
if (TypeModifier == OMPC_MAP_MODIFIER_always ||
42394246
TypeModifier == OMPC_MAP_MODIFIER_close ||
42404247
TypeModifier == OMPC_MAP_MODIFIER_present ||
@@ -4257,6 +4264,19 @@ bool Parser::parseMapTypeModifiers(SemaOpenMP::OpenMPVarListDataTy &Data) {
42574264
Diag(Data.MapTypeModifiersLoc.back(), diag::err_omp_missing_comma)
42584265
<< "map type modifier";
42594266

4267+
} else if (getLangOpts().OpenMP >= 60 && MapKind != OMPC_MAP_unknown) {
4268+
if (!HasMapType) {
4269+
HasMapType = true;
4270+
Data.ExtraModifier = MapKind;
4271+
MapKind = OMPC_MAP_unknown;
4272+
PreMapLoc = Tok.getLocation();
4273+
PreMapName = Tok.getIdentifierInfo()->getName();
4274+
} else {
4275+
Diag(Tok, diag::err_omp_more_one_map_type);
4276+
Diag(PreMapLoc, diag::note_previous_map_type_specified_here)
4277+
<< PreMapName;
4278+
}
4279+
ConsumeToken();
42604280
} else {
42614281
// For the case of unknown map-type-modifier or a map-type.
42624282
// Map-type is followed by a colon; the function returns when it
@@ -4267,8 +4287,14 @@ bool Parser::parseMapTypeModifiers(SemaOpenMP::OpenMPVarListDataTy &Data) {
42674287
continue;
42684288
}
42694289
// Potential map-type token as it is followed by a colon.
4270-
if (PP.LookAhead(0).is(tok::colon))
4271-
return false;
4290+
if (PP.LookAhead(0).is(tok::colon)) {
4291+
if (getLangOpts().OpenMP >= 60) {
4292+
break;
4293+
} else {
4294+
return false;
4295+
}
4296+
}
4297+
42724298
Diag(Tok, diag::err_omp_unknown_map_type_modifier)
42734299
<< (getLangOpts().OpenMP >= 51 ? (getLangOpts().OpenMP >= 52 ? 2 : 1)
42744300
: 0)
@@ -4278,6 +4304,14 @@ bool Parser::parseMapTypeModifiers(SemaOpenMP::OpenMPVarListDataTy &Data) {
42784304
if (getCurToken().is(tok::comma))
42794305
ConsumeToken();
42804306
}
4307+
if (getLangOpts().OpenMP >= 60 && !HasMapType) {
4308+
if (!Tok.is(tok::colon)) {
4309+
Diag(Tok, diag::err_omp_unknown_map_type);
4310+
ConsumeToken();
4311+
} else {
4312+
Data.ExtraModifier = OMPC_MAP_unknown;
4313+
}
4314+
}
42814315
return false;
42824316
}
42834317

@@ -4675,8 +4709,10 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
46754709
// Only parse map-type-modifier[s] and map-type if a colon is present in
46764710
// the map clause.
46774711
if (ColonPresent) {
4712+
if (getLangOpts().OpenMP >= 60 && getCurToken().is(tok::colon))
4713+
Diag(Tok, diag::err_omp_map_modifier_specification_list);
46784714
IsInvalidMapperModifier = parseMapTypeModifiers(Data);
4679-
if (!IsInvalidMapperModifier)
4715+
if (getLangOpts().OpenMP < 60 && !IsInvalidMapperModifier)
46804716
parseMapType(*this, Data);
46814717
else
46824718
SkipUntil(tok::colon, tok::annot_pragma_openmp_end, StopBeforeMatch);

‎clang/test/OpenMP/target_ast_print.cpp‎

Lines changed: 58 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1201,6 +1201,64 @@ foo();
12011201
}
12021202
#endif // OMP52
12031203

1204+
#ifdef OMP60
1205+
1206+
///==========================================================================///
1207+
// RUN: %clang_cc1 -DOMP60 -verify -Wno-vla -fopenmp -fopenmp-version=60 -ast-print %s | FileCheck %s --check-prefix OMP60
1208+
// RUN: %clang_cc1 -DOMP60 -fopenmp -fopenmp-version=60 -x c++ -std=c++11 -emit-pch -o %t %s
1209+
// RUN: %clang_cc1 -DOMP60 -fopenmp -fopenmp-version=60 -std=c++11 -include-pch %t -fsyntax-only -verify -Wno-vla %s -ast-print | FileCheck %s --check-prefix OMP60
1210+
1211+
// RUN: %clang_cc1 -DOMP60 -verify -Wno-vla -fopenmp-simd -fopenmp-version=60 -ast-print %s | FileCheck %s --check-prefix OMP60
1212+
// RUN: %clang_cc1 -DOMP60 -fopenmp-simd -fopenmp-version=60 -x c++ -std=c++11 -emit-pch -o %t %s
1213+
// RUN: %clang_cc1 -DOMP60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -include-pch %t -fsyntax-only -verify -Wno-vla %s -ast-print | FileCheck %s --check-prefix OMP60
1214+
1215+
void foo() {}
1216+
template <typename T, int C>
1217+
T tmain(T argc, T *argv) {
1218+
T i;
1219+
#pragma omp target map(from always: i)
1220+
foo();
1221+
#pragma omp target map(from, close: i)
1222+
foo();
1223+
#pragma omp target map(always,close: i)
1224+
foo();
1225+
return 0;
1226+
}
1227+
//OMP60: template <typename T, int C> T tmain(T argc, T *argv) {
1228+
//OMP60-NEXT: T i;
1229+
//OMP60-NEXT: #pragma omp target map(always,from: i)
1230+
//OMP60-NEXT: foo();
1231+
//OMP60-NEXT: #pragma omp target map(close,from: i)
1232+
//OMP60-NEXT: foo();
1233+
//OMP60-NEXT: #pragma omp target map(always,close,tofrom: i)
1234+
//OMP60-NEXT: foo();
1235+
//OMP60-NEXT: return 0;
1236+
//OMP60-NEXT:}
1237+
//OMP60: template<> int tmain<int, 5>(int argc, int *argv) {
1238+
//OMP60-NEXT: int i;
1239+
//OMP60-NEXT: #pragma omp target map(always,from: i)
1240+
//OMP60-NEXT: foo();
1241+
//OMP60-NEXT: #pragma omp target map(close,from: i)
1242+
//OMP60-NEXT: foo();
1243+
//OMP60-NEXT: #pragma omp target map(always,close,tofrom: i)
1244+
//OMP60-NEXT: foo();
1245+
//OMP60-NEXT: return 0;
1246+
//OMP60-NEXT:}
1247+
//OMP60: template<> char tmain<char, 1>(char argc, char *argv) {
1248+
//OMP60-NEXT: char i;
1249+
//OMP60-NEXT: #pragma omp target map(always,from: i)
1250+
//OMP60-NEXT: foo();
1251+
//OMP60-NEXT: #pragma omp target map(close,from: i)
1252+
//OMP60-NEXT: foo();
1253+
//OMP60-NEXT: #pragma omp target map(always,close,tofrom: i)
1254+
//OMP60-NEXT: foo();
1255+
//OMP60-NEXT: return 0;
1256+
//OMP60-NEXT:}
1257+
int main (int argc, char **argv) {
1258+
return tmain<int, 5>(argc, &argc) + tmain<char, 1>(argv[0][0], argv[0]);
1259+
}
1260+
#endif // OMP60
1261+
12041262
#ifdef OMPX
12051263

12061264
// RUN: %clang_cc1 -DOMPX -verify -Wno-vla -fopenmp -fopenmp-extensions -ast-print %s | FileCheck %s --check-prefix=OMPX

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