[OPENMP 4.1] Allow to use 'uval' and 'ref' modifiers for reference types only.
Standard allows to use 'uval' and 'ref' modifiers in 'linear' clause for variables with reference types only. Added check for it and modified test. llvm-svn: 245556
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@ -7669,6 +7669,8 @@ def err_omp_parent_cancel_region_ordered : Error<
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"parent region for 'omp %select{cancellation point/cancel}0' construct cannot be ordered">;
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def err_omp_wrong_linear_modifier : Error<
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"expected %select{'val' modifier|one of 'ref', val' or 'uval' modifiers}0">;
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def err_omp_wrong_linear_modifier_non_reference : Error<
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"variable of non-reference type %0 can be used only with 'val' modifier, but used with '%1'">;
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} // end of OpenMP category
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let CategoryName = "Related Result Type Issue" in {
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@ -785,9 +785,8 @@ OMPClause *Parser::ParseOpenMPVarListClause(OpenMPClauseKind Kind) {
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} else if (Kind == OMPC_linear) {
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// Try to parse modifier if any.
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if (Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::l_paren)) {
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StringRef TokSpelling = PP.getSpelling(Tok);
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LinearModifier = static_cast<OpenMPLinearClauseKind>(
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getOpenMPSimpleClauseType(Kind, TokSpelling));
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getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok)));
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DepLinLoc = ConsumeToken();
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LinearT.consumeOpen();
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NeedRParenForLinear = true;
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@ -6383,6 +6383,12 @@ OMPClause *Sema::ActOnOpenMPLinearClause(
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diag::err_omp_linear_incomplete_type)) {
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continue;
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}
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if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) &&
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!QType->isReferenceType()) {
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Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference)
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<< QType << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind);
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continue;
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}
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QType = QType.getNonReferenceType();
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// A list item must not be const-qualified.
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@ -135,11 +135,11 @@ template<class I, class C> int foomain(I argc, C **argv) {
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(ref(e, g))
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#pragma omp simd linear(ref(e, g)) // expected-error 2 {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'ref'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(uval(i))
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#pragma omp simd linear(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel
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{
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@ -148,7 +148,9 @@ template<class I, class C> int foomain(I argc, C **argv) {
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#pragma omp simd linear(v:i)
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for (int k = 0; k < argc; ++k) { i = k; v += i; }
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}
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#pragma omp simd linear(j)
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#pragma omp simd linear(ref(j))
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(uval(j))
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for (int k = 0; k < argc; ++k) ++k;
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int v = 0;
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#pragma omp simd linear(v:j)
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@ -167,7 +169,7 @@ using A::x;
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}
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void linear_modifiers(int argc) {
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int f;
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int &f = argc;
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#pragma omp simd linear(f)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(val(f))
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@ -233,7 +235,7 @@ int main(int argc, char **argv) {
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int i;
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#pragma omp simd linear(val(i))
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp simd linear(uval(i) : 4)
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#pragma omp simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
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for (int k = 0; k < argc; ++k) { ++k; i += 4; }
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}
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#pragma omp simd linear(ref(j))
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@ -241,7 +243,7 @@ int main(int argc, char **argv) {
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#pragma omp simd linear(i)
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for (int k = 0; k < argc; ++k) ++k;
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foomain<int,char>(argc,argv);
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foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
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return 0;
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}
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