[clang] 55154d6 - [OpenACC] Enable 'no_create' sema for data construct

via cfe-commits cfe-commits at lists.llvm.org
Fri Dec 13 06:33:10 PST 2024


Author: erichkeane
Date: 2024-12-13T06:33:04-08:00
New Revision: 55154d6896e31dd707ac90dd15ed09bec446b4cf

URL: https://github.com/llvm/llvm-project/commit/55154d6896e31dd707ac90dd15ed09bec446b4cf
DIFF: https://github.com/llvm/llvm-project/commit/55154d6896e31dd707ac90dd15ed09bec446b4cf.diff

LOG: [OpenACC] Enable 'no_create' sema for data construct

Adds tests and enables the 'no_create' clause semantic analysis for the
'data' constuct, so it will no longer report 'not yet implemented'.

Added: 
    clang/test/SemaOpenACC/data-construct-no_create-ast.cpp
    clang/test/SemaOpenACC/data-construct-no_create-clause.c

Modified: 
    clang/lib/Sema/SemaOpenACC.cpp
    clang/test/SemaOpenACC/data-construct.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Sema/SemaOpenACC.cpp b/clang/lib/Sema/SemaOpenACC.cpp
index 84d2e2a7f5065a..9a3e88eeb46244 100644
--- a/clang/lib/Sema/SemaOpenACC.cpp
+++ b/clang/lib/Sema/SemaOpenACC.cpp
@@ -915,12 +915,6 @@ OpenACCClause *SemaOpenACCClauseVisitor::VisitFirstPrivateClause(
 
 OpenACCClause *SemaOpenACCClauseVisitor::VisitNoCreateClause(
     SemaOpenACC::OpenACCParsedClause &Clause) {
-  // Restrictions only properly implemented on 'compute'/'combined' constructs,
-  // and 'compute'/'combined' constructs are the only construct that can do
-  // anything with this yet, so skip/treat as unimplemented in this case.
-  if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind()) &&
-      !isOpenACCCombinedDirectiveKind(Clause.getDirectiveKind()))
-    return isNotImplemented();
   // ActOnVar ensured that everything is a valid variable reference, so there
   // really isn't anything to do here. GCC does some duplicate-finding, though
   // it isn't apparent in the standard where this is justified.

diff  --git a/clang/test/SemaOpenACC/data-construct-no_create-ast.cpp b/clang/test/SemaOpenACC/data-construct-no_create-ast.cpp
new file mode 100644
index 00000000000000..6ff521eb4be07e
--- /dev/null
+++ b/clang/test/SemaOpenACC/data-construct-no_create-ast.cpp
@@ -0,0 +1,82 @@
+// RUN: %clang_cc1 %s -fopenacc -ast-dump | FileCheck %s
+
+// Test this with PCH.
+// RUN: %clang_cc1 %s -fopenacc -emit-pch -o %t %s
+// RUN: %clang_cc1 %s -fopenacc -include-pch %t -ast-dump-all | FileCheck %s
+
+#ifndef PCH_HELPER
+#define PCH_HELPER
+
+int Global;
+short GlobalArray[5];
+void NormalUses(float *PointerParam) {
+  // CHECK: FunctionDecl{{.*}}NormalUses
+  // CHECK: ParmVarDecl
+  // CHECK-NEXT: CompoundStmt
+
+#pragma acc data no_create(GlobalArray, PointerParam[Global])
+  ;
+  // CHECK-NEXT: OpenACCDataConstruct{{.*}} data
+  // CHECK-NEXT: no_create clause
+  // CHECK-NEXT: DeclRefExpr{{.*}}'short[5]' lvalue Var{{.*}}'GlobalArray' 'short[5]'
+  // CHECK-NEXT: ArraySubscriptExpr{{.*}}'float' lvalue
+  // CHECK-NEXT: ImplicitCastExpr{{.*}} 'float *' <LValueToRValue>
+  // CHECK-NEXT: DeclRefExpr{{.*}}'float *' lvalue ParmVar{{.*}}'PointerParam' 'float *'
+  // CHECK-NEXT: ImplicitCastExpr{{.*}} 'int' <LValueToRValue>
+  // CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue Var{{.*}}'Global' 'int'
+  // CHECK-NEXT: NullStmt
+}
+
+template<auto &NTTP, typename T, typename U>
+void TemplUses(T t, U u) {
+  // CHECK-NEXT: FunctionTemplateDecl
+  // CHECK-NEXT: NonTypeTemplateParmDecl {{.*}}referenced 'auto &' depth 0 index 0 NTTP
+  // CHECK-NEXT: TemplateTypeParmDecl{{.*}}typename depth 0 index 1 T
+  // CHECK-NEXT: TemplateTypeParmDecl{{.*}}typename depth 0 index 2 U
+  // CHECK-NEXT: FunctionDecl{{.*}} TemplUses 'void (T, U)'
+  // CHECK-NEXT: ParmVarDecl{{.*}} referenced t 'T'
+  // CHECK-NEXT: ParmVarDecl{{.*}} referenced u 'U'
+  // CHECK-NEXT: CompoundStmt
+
+
+#pragma acc data no_create(t) present(NTTP, u)
+  ;
+  // CHECK-NEXT: OpenACCDataConstruct{{.*}} data
+  // CHECK-NEXT: no_create clause
+  // CHECK-NEXT: DeclRefExpr{{.*}}'T' lvalue ParmVar{{.*}} 't' 'T'
+  // TODO_CHECK-NEXT: present clause
+  // TODO_CHECK-NEXT: DeclRefExpr{{.*}}'auto' lvalue NonTypeTemplateParm{{.*}} 'NTTP' 'auto &'
+  // TODO_CHECK-NEXT: DeclRefExpr{{.*}}'U' lvalue ParmVar{{.*}} 'u' 'U'
+  // CHECK-NEXT: NullStmt
+
+  // Check the instantiated versions of the above.
+  // CHECK-NEXT: FunctionDecl{{.*}} used TemplUses 'void (int, int *)' implicit_instantiation
+  // CHECK-NEXT: TemplateArgument decl
+  // CHECK-NEXT: Var{{.*}} 'CEVar' 'const unsigned int'
+  // CHECK-NEXT: TemplateArgument type 'int'
+  // CHECK-NEXT: BuiltinType{{.*}} 'int'
+  // CHECK-NEXT: TemplateArgument type 'int *'
+  // CHECK-NEXT: PointerType{{.*}} 'int *'
+  // CHECK-NEXT: BuiltinType{{.*}} 'int'
+  // CHECK-NEXT: ParmVarDecl{{.*}} used t 'int'
+  // CHECK-NEXT: ParmVarDecl{{.*}} u 'int *'
+  // CHECK-NEXT: CompoundStmt
+
+// #pragma acc data no_create(t) present(NTTP, u)
+  // CHECK-NEXT: OpenACCDataConstruct{{.*}} data
+  // CHECK-NEXT: no_create clause
+  // CHECK-NEXT: DeclRefExpr{{.*}}'int' lvalue ParmVar{{.*}} 't' 'int'
+  // TODO_CHECK-NEXT: present clause
+  // TODO_CHECK-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'const unsigned int' lvalue
+  // TODO_CHECK-NEXT: NonTypeTemplateParmDecl{{.*}} referenced 'auto &' depth 0 index 0 NTTP
+  // TODO_CHECK-NEXT: DeclRefExpr{{.*}}'const unsigned int' lvalue Var{{.*}} 'CEVar' 'const unsigned int'
+  // TODO_CHECK-NEXT: DeclRefExpr{{.*}}'int *' lvalue ParmVar{{.*}} 'u' 'int *'
+  // CHECK-NEXT: NullStmt
+}
+
+void Inst() {
+  static constexpr unsigned CEVar = 1;
+  int i;
+  TemplUses<CEVar>(i, &i);
+}
+#endif

diff  --git a/clang/test/SemaOpenACC/data-construct-no_create-clause.c b/clang/test/SemaOpenACC/data-construct-no_create-clause.c
new file mode 100644
index 00000000000000..74bc972ced64db
--- /dev/null
+++ b/clang/test/SemaOpenACC/data-construct-no_create-clause.c
@@ -0,0 +1,58 @@
+// RUN: %clang_cc1 %s -fopenacc -verify
+
+typedef struct IsComplete {
+  struct S { int A; } CompositeMember;
+  int ScalarMember;
+  float ArrayMember[5];
+  void *PointerMember;
+} Complete;
+void uses(int IntParam, short *PointerParam, float ArrayParam[5], Complete CompositeParam) {
+  int LocalInt;
+  short *LocalPointer;
+  float LocalArray[5];
+  Complete LocalComposite;
+  // Check Appertainment:
+#pragma acc data no_create(LocalInt)
+  ;
+
+  // Valid cases:
+#pragma acc data no_create(LocalInt, LocalPointer, LocalArray)
+  ;
+#pragma acc data no_create(LocalArray[2:1])
+  ;
+
+#pragma acc data no_create(LocalComposite.ScalarMember, LocalComposite.ScalarMember)
+  ;
+
+  // expected-error at +1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
+#pragma acc data no_create(1 + IntParam)
+  ;
+
+  // expected-error at +1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
+#pragma acc data no_create(+IntParam)
+  ;
+
+  // expected-error at +1{{OpenACC sub-array length is unspecified and cannot be inferred because the subscripted value is not an array}}
+#pragma acc data no_create(PointerParam[2:])
+  ;
+
+  // expected-error at +1{{OpenACC sub-array specified range [2:5] would be out of the range of the subscripted array size of 5}}
+#pragma acc data no_create(ArrayParam[2:5])
+  ;
+
+  // expected-error at +2{{OpenACC sub-array specified range [2:5] would be out of the range of the subscripted array size of 5}}
+  // expected-error at +1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
+#pragma acc data no_create((float*)ArrayParam[2:5])
+  ;
+  // expected-error at +1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
+#pragma acc data no_create((float)ArrayParam[2])
+  ;
+
+  // expected-error at +1{{OpenACC 'no_create' clause is not valid on 'exit data' directive}}
+#pragma acc exit data no_create(LocalInt)
+  // expected-error at +1{{OpenACC 'no_create' clause is not valid on 'enter data' directive}}
+#pragma acc enter data no_create(LocalInt)
+  // expected-error at +1{{OpenACC 'no_create' clause is not valid on 'host_data' directive}}
+#pragma acc host_data no_create(LocalInt)
+  ;
+}

diff  --git a/clang/test/SemaOpenACC/data-construct.cpp b/clang/test/SemaOpenACC/data-construct.cpp
index 68186579b98161..7f3a54b009ab9f 100644
--- a/clang/test/SemaOpenACC/data-construct.cpp
+++ b/clang/test/SemaOpenACC/data-construct.cpp
@@ -32,7 +32,6 @@ void AtLeastOneOf() {
   // expected-warning at +1{{OpenACC clause 'create' not yet implemented}}
 #pragma acc data create(Var)
   ;
-  // expected-warning at +1{{OpenACC clause 'no_create' not yet implemented}}
 #pragma acc data no_create(Var)
   ;
   // expected-warning at +1{{OpenACC clause 'present' not yet implemented}}


        


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