Author: Sandeep Kosuri Date: 2023-11-29T15:13:43+05:30 New Revision: 6e0101684e59d5e8b11853a7311c71090547d355
URL: https://github.com/llvm/llvm-project/commit/6e0101684e59d5e8b11853a7311c71090547d355 DIFF: https://github.com/llvm/llvm-project/commit/6e0101684e59d5e8b11853a7311c71090547d355.diff LOG: [OpenMP] Support for `nothing` in `metadirective` (#73690) - Removed an unnecessary check that was preventing `nothing` to work properly inside `metadirective`. Added: Modified: clang/lib/Parse/ParseOpenMP.cpp clang/test/OpenMP/metadirective_ast_print.c clang/test/OpenMP/metadirective_empty.cpp clang/test/OpenMP/nothing_messages.cpp Removed: ################################################################################ diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp index ca70bb241d6f723..fb7e7a979e49f7e 100644 --- a/clang/lib/Parse/ParseOpenMP.cpp +++ b/clang/lib/Parse/ParseOpenMP.cpp @@ -2518,12 +2518,14 @@ StmtResult Parser::ParseOpenMPDeclarativeOrExecutableDirective( switch (DKind) { case OMPD_nothing: - if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == - ParsedStmtContext()) - Diag(Tok, diag::err_omp_immediate_directive) - << getOpenMPDirectiveName(DKind) << 0; ConsumeToken(); - skipUntilPragmaOpenMPEnd(DKind); + // If we are parsing the directive within a metadirective, the directive + // ends with a ')'. + if (ReadDirectiveWithinMetadirective && Tok.is(tok::r_paren)) + while (Tok.isNot(tok::annot_pragma_openmp_end)) + ConsumeAnyToken(); + else + skipUntilPragmaOpenMPEnd(DKind); if (Tok.is(tok::annot_pragma_openmp_end)) ConsumeAnnotationToken(); break; diff --git a/clang/test/OpenMP/metadirective_ast_print.c b/clang/test/OpenMP/metadirective_ast_print.c index ddd5b8633cc5013..d9ff7e764521607 100644 --- a/clang/test/OpenMP/metadirective_ast_print.c +++ b/clang/test/OpenMP/metadirective_ast_print.c @@ -67,6 +67,16 @@ void foo(void) { default(parallel for) for (int i = 0; i < 100; i++) ; + +#pragma omp metadirective when(implementation = {extension(match_all)} \ + : nothing) default(parallel for) + for (int i = 0; i < 16; i++) + ; + +#pragma omp metadirective when(implementation = {extension(match_any)} \ + : parallel) default(nothing) + for (int i = 0; i < 16; i++) + ; } // CHECK: void bar(void); @@ -95,5 +105,7 @@ void foo(void) { // CHECK-NEXT: for (int j = 0; j < 16; j++) // CHECK-AMDGCN: #pragma omp teams distribute parallel for // CHECK-AMDGCN-NEXT: for (int i = 0; i < 100; i++) +// CHECK: for (int i = 0; i < 16; i++) +// CHECK: for (int i = 0; i < 16; i++) #endif diff --git a/clang/test/OpenMP/metadirective_empty.cpp b/clang/test/OpenMP/metadirective_empty.cpp index 8708aa45b156309..b93ed722cb6e904 100644 --- a/clang/test/OpenMP/metadirective_empty.cpp +++ b/clang/test/OpenMP/metadirective_empty.cpp @@ -14,11 +14,17 @@ void func() { :) default(parallel for) for (int i = 0; i < N; i++) ; + +#pragma omp metadirective when(implementation = {vendor(llvm)} \ + :nothing) default(parallel for) + for (int i = 0; i < N; i++) + ; } // CHECK-LABEL: void @_Z4funcv() // CHECK: entry: // CHECK: [[I:%.+]] = alloca i32, +// CHECK: [[I1:%.+]] = alloca i32, // CHECK: store i32 0, ptr [[I]], // CHECK: br label %[[FOR_COND:.+]] // CHECK: [[FOR_COND]]: @@ -33,6 +39,20 @@ void func() { // CHECK: store i32 [[INC]], ptr [[I]], // CHECK: br label %[[FOR_COND]], // CHECK: [[FOR_END]]: +// CHECK: store i32 0, ptr [[I1]], +// CHECK: br label %[[FOR_COND1:.+]] +// CHECK: [[FOR_COND1]]: +// CHECK: [[TWO:%.+]] = load i32, ptr [[I1]], +// CHECK: [[CMP1:%.+]] = icmp slt i32 [[TWO]], 1000 +// CHECK: br i1 [[CMP1]], label %[[FOR_BODY1:.+]], label %[[FOR_END1:.+]] +// CHECK: [[FOR_BODY1]]: +// CHECK: br label %[[FOR_INC1:.+]] +// CHECK: [[FOR_INC1]]: +// CHECK: [[THREE:%.+]] = load i32, ptr [[I1]], +// CHECK: [[INC1:%.+]] = add nsw i32 [[THREE]], 1 +// CHECK: store i32 [[INC1]], ptr [[I1]], +// CHECK: br label %[[FOR_COND1]], +// CHECK: [[FOR_END1]]: // CHECK: ret void // CHECK: } diff --git a/clang/test/OpenMP/nothing_messages.cpp b/clang/test/OpenMP/nothing_messages.cpp index cd6d0defe492fb4..0e27e3c27076a7b 100644 --- a/clang/test/OpenMP/nothing_messages.cpp +++ b/clang/test/OpenMP/nothing_messages.cpp @@ -12,7 +12,6 @@ int mixed() { x=d; } -// expected-error@+2 {{#pragma omp nothing' cannot be an immediate substatement}} if(!x) #pragma omp nothing x=d; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits