[flang-commits] [flang] [flang][openacc] Support variable in equivalence in declare directive (PR #71242)

Valentin Clement バレンタイン クレメン via flang-commits flang-commits at lists.llvm.org
Mon Nov 6 09:41:26 PST 2023


https://github.com/clementval updated https://github.com/llvm/llvm-project/pull/71242

>From 849183e094741f645cf16b4bc3a33673c4864d71 Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval at gmail.com>
Date: Fri, 3 Nov 2023 15:21:52 -0700
Subject: [PATCH 1/3] [flang][openacc] Support variable in equivalence in
 declare directive

---
 flang/lib/Lower/OpenACC.cpp                   | 86 ++++++++++++++-----
 .../test/Lower/OpenACC/HLFIR/acc-declare.f90  | 58 +++++++++++++
 2 files changed, 122 insertions(+), 22 deletions(-)

diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 809fd3b3be7cfdf..7808e94ed7c7346 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -27,6 +27,7 @@
 #include "flang/Optimizer/Builder/Todo.h"
 #include "flang/Parser/parse-tree.h"
 #include "flang/Semantics/expression.h"
+#include "flang/Semantics/scope.h"
 #include "flang/Semantics/tools.h"
 #include "llvm/Frontend/OpenACC/ACC.h.inc"
 
@@ -2740,33 +2741,40 @@ static void genACC(Fortran::lower::AbstractConverter &converter,
 
 template <typename GlobalOp, typename EntryOp, typename DeclareOp,
           typename ExitOp>
-static void createDeclareGlobalOp(mlir::OpBuilder &modBuilder,
-                                  fir::FirOpBuilder &builder,
-                                  mlir::Location loc, fir::GlobalOp &globalOp,
-                                  mlir::acc::DataClause clause, bool implicit) {
-  std::stringstream declareGlobalName;
-
-  if constexpr (std::is_same_v<GlobalOp, mlir::acc::GlobalConstructorOp>)
-    declareGlobalName << globalOp.getSymName().str() << "_acc_ctor";
-  else if constexpr (std::is_same_v<GlobalOp, mlir::acc::GlobalDestructorOp>)
-    declareGlobalName << globalOp.getSymName().str() << "_acc_dtor";
-
+static void
+createDeclareGlobalOp(mlir::OpBuilder &modBuilder, fir::FirOpBuilder &builder,
+                      mlir::Location loc, fir::GlobalOp globalOp,
+                      mlir::acc::DataClause clause,
+                      const std::string declareGlobalName, bool implicit,
+                      std::optional<std::size_t> &offset, mlir::Type aliasType,
+                      std::stringstream &asFortran) {
   GlobalOp declareGlobalOp =
-      modBuilder.create<GlobalOp>(loc, declareGlobalName.str());
+      modBuilder.create<GlobalOp>(loc, declareGlobalName);
   builder.createBlock(&declareGlobalOp.getRegion(),
                       declareGlobalOp.getRegion().end(), {}, {});
   builder.setInsertionPointToEnd(&declareGlobalOp.getRegion().back());
+  mlir::Value entryAddr;
 
   fir::AddrOfOp addrOp = builder.create<fir::AddrOfOp>(
       loc, fir::ReferenceType::get(globalOp.getType()), globalOp.getSymbol());
-  addDeclareAttr(builder, addrOp.getOperation(), clause);
+  entryAddr = addrOp.getResTy();
+  // If the variable in the declare clause is part of an equivalence it has an
+  // offset.
+  if (offset) {
+    mlir::Type i8Ptr = builder.getRefType(builder.getI8Type());
+    mlir::Value off =
+        builder.createIntegerConstant(loc, builder.getIndexType(), *offset);
+    mlir::Value aliasAddr = builder.create<fir::CoordinateOp>(
+        loc, i8Ptr, addrOp.getResTy(), mlir::ValueRange{off});
+    entryAddr =
+        builder.createConvert(loc, fir::PointerType::get(aliasType), aliasAddr);
+  }
+  addDeclareAttr(builder, entryAddr.getDefiningOp(), clause);
 
-  std::stringstream asFortran;
-  asFortran << Fortran::lower::mangle::demangleName(globalOp.getSymName());
   llvm::SmallVector<mlir::Value> bounds;
   EntryOp entryOp = createDataEntryOp<EntryOp>(
-      builder, loc, addrOp.getResTy(), asFortran, bounds,
-      /*structured=*/false, implicit, clause, addrOp.getResTy().getType());
+      builder, loc, entryAddr, asFortran, bounds,
+      /*structured=*/false, implicit, clause, entryAddr.getType());
   builder.create<DeclareOp>(loc, mlir::ValueRange(entryOp.getAccPtr()));
   mlir::Value varPtr;
   if constexpr (std::is_same_v<GlobalOp, mlir::acc::GlobalDestructorOp>) {
@@ -2904,8 +2912,39 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                           designator)) {
                 std::string globalName = converter.mangleName(*name->symbol);
                 fir::GlobalOp globalOp = builder.getNamedGlobal(globalName);
-                if (!globalOp)
-                  llvm::report_fatal_error("could not retrieve global symbol");
+                std::stringstream declareGlobalCtorName;
+                declareGlobalCtorName << globalName << "_acc_ctor";
+                std::stringstream declareGlobalDtorName;
+                declareGlobalDtorName << globalName << "_acc_dtor";
+                std::optional<std::size_t> offset = std::nullopt;
+                mlir::Type aliasType;
+
+                std::stringstream asFortran;
+                asFortran << name->symbol->name().ToString();
+
+                if (!globalOp) {
+                  if (Fortran::semantics::FindEquivalenceSet(*name->symbol)) {
+                    for (Fortran::semantics::EquivalenceObject eqObj :
+                         *Fortran::semantics::FindEquivalenceSet(
+                             *name->symbol)) {
+                      std::string eqName = converter.mangleName(eqObj.symbol);
+                      globalOp = builder.getNamedGlobal(eqName);
+                      if (globalOp)
+                        break;
+                    }
+
+                    if (!globalOp)
+                      llvm::report_fatal_error(
+                          "could not retrieve global symbol");
+
+                    offset = name->symbol->GetUltimate().offset();
+                    aliasType = converter.genType(name->symbol->GetUltimate());
+                  } else {
+                    llvm::report_fatal_error(
+                        "could not retrieve global symbol");
+                  }
+                }
+
                 addDeclareAttr(builder, globalOp.getOperation(), clause);
                 auto crtPos = builder.saveInsertionPoint();
                 modBuilder.setInsertionPointAfter(globalOp);
@@ -2915,7 +2954,8 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                                         mlir::acc::CopyinOp,
                                         mlir::acc::DeclareEnterOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      /*implicit=*/true);
+                      declareGlobalCtorName.str(), /*implicit=*/true, offset,
+                      aliasType, asFortran);
                   createDeclareAllocFunc<EntryOp>(
                       modBuilder, builder, operandLocation, globalOp, clause);
                   if constexpr (!std::is_same_v<EntryOp, ExitOp>)
@@ -2925,14 +2965,16 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                   createDeclareGlobalOp<mlir::acc::GlobalConstructorOp, EntryOp,
                                         mlir::acc::DeclareEnterOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      /*implicit=*/false);
+                      declareGlobalCtorName.str(), /*implicit=*/false, offset,
+                      aliasType, asFortran);
                 }
                 if constexpr (!std::is_same_v<EntryOp, ExitOp>) {
                   createDeclareGlobalOp<mlir::acc::GlobalDestructorOp,
                                         mlir::acc::GetDevicePtrOp,
                                         mlir::acc::DeclareExitOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      /*implicit=*/false);
+                      declareGlobalDtorName.str(), /*implicit=*/false, offset,
+                      aliasType, asFortran);
                 }
                 builder.restoreInsertionPoint(crtPos);
               }
diff --git a/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90 b/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
index 0a45967ce82ef3e..6cca57a2504e2b9 100644
--- a/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
+++ b/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
@@ -258,3 +258,61 @@ module acc_declare_allocatable_test
 ! ALL:         acc.delete accPtr(%[[DEVICEPTR]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) {dataClause = #acc<data_clause acc_create>, name = "data1", structured = false}
 ! ALL:         acc.terminator
 ! ALL:       }
+
+
+module acc_declare_equivalent
+  integer, parameter :: n = 10
+  real :: v1(n)
+  real :: v2(n)
+  equivalence(v1(1), v2(1))
+  !$acc declare create(v2)
+end module
+
+! ALL-LABEL: acc.global_ctor @_QMacc_declare_equivalentEv2_acc_ctor {
+! ALL-DAG:     %[[C0:.*]] = arith.constant 0 : index
+! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C0]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
+! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<10xf32>>
+! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[CONV]] : !fir.ptr<!fir.array<10xf32>>) -> !fir.ptr<!fir.array<10xf32>> {name = "v2", structured = false}
+! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ptr<!fir.array<10xf32>>)
+! ALL:         acc.terminator
+! ALL:       }
+
+! ALL-LABEL:  acc.global_dtor @_QMacc_declare_equivalentEv2_acc_dtor {
+! ALL-DAG:      %[[C0:.*]] = arith.constant 0 : index
+! ALL-DAG:      %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) : !fir.ref<!fir.array<40xi8>>
+! ALL:          %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C0]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
+! ALL:          %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<10xf32>>
+! ALL:          %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[CONV]] : !fir.ptr<!fir.array<10xf32>>) -> !fir.ptr<!fir.array<10xf32>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:          acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ptr<!fir.array<10xf32>>)
+! ALL:          acc.delete accPtr(%[[DEVICEPTR]] : !fir.ptr<!fir.array<10xf32>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:          acc.terminator
+! ALL:        }
+
+module acc_declare_equivalent2
+  real :: v1(10)
+  real :: v2(5)
+  equivalence(v1(6), v2(1))
+  !$acc declare create(v2)
+end module
+
+! ALL-LABEL: acc.global_ctor @_QMacc_declare_equivalent2Ev2_acc_ctor {
+! ALL-DAG:     %[[C20:.*]] = arith.constant 20 : index
+! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C20]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
+! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<5xf32>>
+! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[CONV]] : !fir.ptr<!fir.array<5xf32>>) -> !fir.ptr<!fir.array<5xf32>> {name = "v2", structured = false}
+! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ptr<!fir.array<5xf32>>)
+! ALL:         acc.terminator
+! ALL:       }
+
+! ALL-LABEL: acc.global_dtor @_QMacc_declare_equivalent2Ev2_acc_dtor {
+! ALL-DAG:     %[[C20:.*]] = arith.constant 20 : index
+! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C20]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
+! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<5xf32>>
+! ALL:         %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[CONV]] : !fir.ptr<!fir.array<5xf32>>) -> !fir.ptr<!fir.array<5xf32>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ptr<!fir.array<5xf32>>)
+! ALL:         acc.delete accPtr(%[[DEVICEPTR]] : !fir.ptr<!fir.array<5xf32>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         acc.terminator
+! ALL:       }

>From 575fa003fd8563a7e49319e953ab87e67f8c55bc Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval at gmail.com>
Date: Mon, 6 Nov 2023 09:28:16 -0800
Subject: [PATCH 2/3] Use the equivalence address

---
 flang/lib/Lower/OpenACC.cpp                   | 37 ++++-----------
 .../test/Lower/OpenACC/HLFIR/acc-declare.f90  | 46 +++++++------------
 2 files changed, 26 insertions(+), 57 deletions(-)

diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 7808e94ed7c7346..080db63976eb977 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -2746,7 +2746,6 @@ createDeclareGlobalOp(mlir::OpBuilder &modBuilder, fir::FirOpBuilder &builder,
                       mlir::Location loc, fir::GlobalOp globalOp,
                       mlir::acc::DataClause clause,
                       const std::string declareGlobalName, bool implicit,
-                      std::optional<std::size_t> &offset, mlir::Type aliasType,
                       std::stringstream &asFortran) {
   GlobalOp declareGlobalOp =
       modBuilder.create<GlobalOp>(loc, declareGlobalName);
@@ -2757,24 +2756,12 @@ createDeclareGlobalOp(mlir::OpBuilder &modBuilder, fir::FirOpBuilder &builder,
 
   fir::AddrOfOp addrOp = builder.create<fir::AddrOfOp>(
       loc, fir::ReferenceType::get(globalOp.getType()), globalOp.getSymbol());
-  entryAddr = addrOp.getResTy();
-  // If the variable in the declare clause is part of an equivalence it has an
-  // offset.
-  if (offset) {
-    mlir::Type i8Ptr = builder.getRefType(builder.getI8Type());
-    mlir::Value off =
-        builder.createIntegerConstant(loc, builder.getIndexType(), *offset);
-    mlir::Value aliasAddr = builder.create<fir::CoordinateOp>(
-        loc, i8Ptr, addrOp.getResTy(), mlir::ValueRange{off});
-    entryAddr =
-        builder.createConvert(loc, fir::PointerType::get(aliasType), aliasAddr);
-  }
-  addDeclareAttr(builder, entryAddr.getDefiningOp(), clause);
+  addDeclareAttr(builder, addrOp, clause);
 
   llvm::SmallVector<mlir::Value> bounds;
   EntryOp entryOp = createDataEntryOp<EntryOp>(
-      builder, loc, entryAddr, asFortran, bounds,
-      /*structured=*/false, implicit, clause, entryAddr.getType());
+      builder, loc, addrOp.getResTy(), asFortran, bounds,
+      /*structured=*/false, implicit, clause, addrOp.getResTy().getType());
   builder.create<DeclareOp>(loc, mlir::ValueRange(entryOp.getAccPtr()));
   mlir::Value varPtr;
   if constexpr (std::is_same_v<GlobalOp, mlir::acc::GlobalDestructorOp>) {
@@ -2916,9 +2903,6 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                 declareGlobalCtorName << globalName << "_acc_ctor";
                 std::stringstream declareGlobalDtorName;
                 declareGlobalDtorName << globalName << "_acc_dtor";
-                std::optional<std::size_t> offset = std::nullopt;
-                mlir::Type aliasType;
-
                 std::stringstream asFortran;
                 asFortran << name->symbol->name().ToString();
 
@@ -2936,9 +2920,6 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                     if (!globalOp)
                       llvm::report_fatal_error(
                           "could not retrieve global symbol");
-
-                    offset = name->symbol->GetUltimate().offset();
-                    aliasType = converter.genType(name->symbol->GetUltimate());
                   } else {
                     llvm::report_fatal_error(
                         "could not retrieve global symbol");
@@ -2954,8 +2935,8 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                                         mlir::acc::CopyinOp,
                                         mlir::acc::DeclareEnterOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      declareGlobalCtorName.str(), /*implicit=*/true, offset,
-                      aliasType, asFortran);
+                      declareGlobalCtorName.str(), /*implicit=*/true,
+                      asFortran);
                   createDeclareAllocFunc<EntryOp>(
                       modBuilder, builder, operandLocation, globalOp, clause);
                   if constexpr (!std::is_same_v<EntryOp, ExitOp>)
@@ -2965,16 +2946,16 @@ static void genGlobalCtors(Fortran::lower::AbstractConverter &converter,
                   createDeclareGlobalOp<mlir::acc::GlobalConstructorOp, EntryOp,
                                         mlir::acc::DeclareEnterOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      declareGlobalCtorName.str(), /*implicit=*/false, offset,
-                      aliasType, asFortran);
+                      declareGlobalCtorName.str(), /*implicit=*/false,
+                      asFortran);
                 }
                 if constexpr (!std::is_same_v<EntryOp, ExitOp>) {
                   createDeclareGlobalOp<mlir::acc::GlobalDestructorOp,
                                         mlir::acc::GetDevicePtrOp,
                                         mlir::acc::DeclareExitOp, ExitOp>(
                       modBuilder, builder, operandLocation, globalOp, clause,
-                      declareGlobalDtorName.str(), /*implicit=*/false, offset,
-                      aliasType, asFortran);
+                      declareGlobalDtorName.str(), /*implicit=*/false,
+                      asFortran);
                 }
                 builder.restoreInsertionPoint(crtPos);
               }
diff --git a/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90 b/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
index 6cca57a2504e2b9..6ebdd39802fef0f 100644
--- a/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
+++ b/flang/test/Lower/OpenACC/HLFIR/acc-declare.f90
@@ -269,25 +269,19 @@ module acc_declare_equivalent
 end module
 
 ! ALL-LABEL: acc.global_ctor @_QMacc_declare_equivalentEv2_acc_ctor {
-! ALL-DAG:     %[[C0:.*]] = arith.constant 0 : index
-! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) : !fir.ref<!fir.array<40xi8>>
-! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C0]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
-! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<10xf32>>
-! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[CONV]] : !fir.ptr<!fir.array<10xf32>>) -> !fir.ptr<!fir.array<10xf32>> {name = "v2", structured = false}
-! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ptr<!fir.array<10xf32>>)
+! ALL:         %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) {acc.declare = #acc.declare<dataClause = acc_create>} : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[ADDR]] : !fir.ref<!fir.array<40xi8>>) -> !fir.ref<!fir.array<40xi8>> {name = "v2", structured = false}
+! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ref<!fir.array<40xi8>>)
 ! ALL:         acc.terminator
 ! ALL:       }
 
-! ALL-LABEL:  acc.global_dtor @_QMacc_declare_equivalentEv2_acc_dtor {
-! ALL-DAG:      %[[C0:.*]] = arith.constant 0 : index
-! ALL-DAG:      %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) : !fir.ref<!fir.array<40xi8>>
-! ALL:          %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C0]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
-! ALL:          %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<10xf32>>
-! ALL:          %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[CONV]] : !fir.ptr<!fir.array<10xf32>>) -> !fir.ptr<!fir.array<10xf32>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
-! ALL:          acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ptr<!fir.array<10xf32>>)
-! ALL:          acc.delete accPtr(%[[DEVICEPTR]] : !fir.ptr<!fir.array<10xf32>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
-! ALL:          acc.terminator
-! ALL:        }
+! ALL-LABEL: acc.global_dtor @_QMacc_declare_equivalentEv2_acc_dtor {
+! ALL:         %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalentEv1) {acc.declare = #acc.declare<dataClause =  acc_create>} : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[ADDR]] : !fir.ref<!fir.array<40xi8>>) -> !fir.ref<!fir.array<40xi8>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ref<!fir.array<40xi8>>)
+! ALL:         acc.delete accPtr(%[[DEVICEPTR]] : !fir.ref<!fir.array<40xi8>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         acc.terminator
+! ALL:       }
 
 module acc_declare_equivalent2
   real :: v1(10)
@@ -297,22 +291,16 @@ module acc_declare_equivalent2
 end module
 
 ! ALL-LABEL: acc.global_ctor @_QMacc_declare_equivalent2Ev2_acc_ctor {
-! ALL-DAG:     %[[C20:.*]] = arith.constant 20 : index
-! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) : !fir.ref<!fir.array<40xi8>>
-! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C20]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
-! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<5xf32>>
-! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[CONV]] : !fir.ptr<!fir.array<5xf32>>) -> !fir.ptr<!fir.array<5xf32>> {name = "v2", structured = false}
-! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ptr<!fir.array<5xf32>>)
+! ALL:         %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) {acc.declare = #acc.declare<dataClause =  acc_create>} : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[CREATE:.*]] = acc.create varPtr(%[[ADDR]] : !fir.ref<!fir.array<40xi8>>) -> !fir.ref<!fir.array<40xi8>> {name = "v2", structured = false}
+! ALL:         acc.declare_enter dataOperands(%[[CREATE]] : !fir.ref<!fir.array<40xi8>>)
 ! ALL:         acc.terminator
 ! ALL:       }
 
 ! ALL-LABEL: acc.global_dtor @_QMacc_declare_equivalent2Ev2_acc_dtor {
-! ALL-DAG:     %[[C20:.*]] = arith.constant 20 : index
-! ALL-DAG:     %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) : !fir.ref<!fir.array<40xi8>>
-! ALL:         %[[COORD:.*]] = fir.coordinate_of %[[ADDR]], %[[C20]] : (!fir.ref<!fir.array<40xi8>>, index) -> !fir.ref<i8>
-! ALL:         %[[CONV:.*]] = fir.convert %[[COORD]] {acc.declare = #acc.declare<dataClause =  acc_create>} : (!fir.ref<i8>) -> !fir.ptr<!fir.array<5xf32>>
-! ALL:         %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[CONV]] : !fir.ptr<!fir.array<5xf32>>) -> !fir.ptr<!fir.array<5xf32>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
-! ALL:         acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ptr<!fir.array<5xf32>>)
-! ALL:         acc.delete accPtr(%[[DEVICEPTR]] : !fir.ptr<!fir.array<5xf32>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         %[[ADDR:.*]] = fir.address_of(@_QMacc_declare_equivalent2Ev1) {acc.declare = #acc.declare<dataClause =  acc_create>} : !fir.ref<!fir.array<40xi8>>
+! ALL:         %[[DEVICEPTR:.*]] = acc.getdeviceptr varPtr(%[[ADDR]] : !fir.ref<!fir.array<40xi8>>) -> !fir.ref<!fir.array<40xi8>> {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
+! ALL:         acc.declare_exit dataOperands(%[[DEVICEPTR]] : !fir.ref<!fir.array<40xi8>>)
+! ALL:         acc.delete accPtr(%[[DEVICEPTR]] : !fir.ref<!fir.array<40xi8>>) {dataClause = #acc<data_clause acc_create>, name = "v2", structured = false}
 ! ALL:         acc.terminator
 ! ALL:       }

>From 5710d50c0228bca410279e93e2aed1efde388306 Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval at gmail.com>
Date: Mon, 6 Nov 2023 09:40:50 -0800
Subject: [PATCH 3/3] clang-format

---
 flang/lib/Lower/OpenACC.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 080db63976eb977..875db135d15ad91 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -2741,12 +2741,12 @@ static void genACC(Fortran::lower::AbstractConverter &converter,
 
 template <typename GlobalOp, typename EntryOp, typename DeclareOp,
           typename ExitOp>
-static void
-createDeclareGlobalOp(mlir::OpBuilder &modBuilder, fir::FirOpBuilder &builder,
-                      mlir::Location loc, fir::GlobalOp globalOp,
-                      mlir::acc::DataClause clause,
-                      const std::string declareGlobalName, bool implicit,
-                      std::stringstream &asFortran) {
+static void createDeclareGlobalOp(mlir::OpBuilder &modBuilder,
+                                  fir::FirOpBuilder &builder,
+                                  mlir::Location loc, fir::GlobalOp globalOp,
+                                  mlir::acc::DataClause clause,
+                                  const std::string declareGlobalName,
+                                  bool implicit, std::stringstream &asFortran) {
   GlobalOp declareGlobalOp =
       modBuilder.create<GlobalOp>(loc, declareGlobalName);
   builder.createBlock(&declareGlobalOp.getRegion(),



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