[flang-commits] [flang] [flang][openacc][openmp] Set correct location on atomic operations (PR #70680)
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flang-commits at lists.llvm.org
Mon Oct 30 09:14:34 PDT 2023
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-openmp
Author: Valentin Clement (バレンタイン クレメン) (clementval)
<details>
<summary>Changes</summary>
The location set on atomic operations in both OpenMP and OpenACC was completly off. The real location needs to be created from the source CharBlock of the parse tree node of the respective atomic statement. This patch updates locations in lowering for atomic operations.
---
Full diff: https://github.com/llvm/llvm-project/pull/70680.diff
4 Files Affected:
- (modified) flang/lib/Lower/DirectivesCommon.h (+29-36)
- (modified) flang/lib/Lower/OpenACC.cpp (+9-5)
- (modified) flang/lib/Lower/OpenMP.cpp (+14-5)
- (modified) flang/test/Lower/OpenACC/locations.f90 (+52)
``````````diff
diff --git a/flang/lib/Lower/DirectivesCommon.h b/flang/lib/Lower/DirectivesCommon.h
index 1b231ee1b891baf..33b8198a2518be8 100644
--- a/flang/lib/Lower/DirectivesCommon.h
+++ b/flang/lib/Lower/DirectivesCommon.h
@@ -132,10 +132,9 @@ static inline void genOmpAccAtomicCaptureStatement(
mlir::Value toAddress,
[[maybe_unused]] const AtomicListT *leftHandClauseList,
[[maybe_unused]] const AtomicListT *rightHandClauseList,
- mlir::Type elementType) {
+ mlir::Type elementType, mlir::Location loc) {
// Generate `atomic.read` operation for atomic assigment statements
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
- mlir::Location currentLocation = converter.getCurrentLocation();
if constexpr (std::is_same<AtomicListT,
Fortran::parser::OmpAtomicClauseList>()) {
@@ -151,12 +150,11 @@ static inline void genOmpAccAtomicCaptureStatement(
genOmpAtomicHintAndMemoryOrderClauses(converter, *rightHandClauseList,
hint, memoryOrder);
firOpBuilder.create<mlir::omp::AtomicReadOp>(
- currentLocation, fromAddress, toAddress,
- mlir::TypeAttr::get(elementType), hint, memoryOrder);
+ loc, fromAddress, toAddress, mlir::TypeAttr::get(elementType), hint,
+ memoryOrder);
} else {
firOpBuilder.create<mlir::acc::AtomicReadOp>(
- currentLocation, fromAddress, toAddress,
- mlir::TypeAttr::get(elementType));
+ loc, fromAddress, toAddress, mlir::TypeAttr::get(elementType));
}
}
@@ -166,11 +164,10 @@ template <typename AtomicListT>
static inline void genOmpAccAtomicWriteStatement(
Fortran::lower::AbstractConverter &converter, mlir::Value lhsAddr,
mlir::Value rhsExpr, [[maybe_unused]] const AtomicListT *leftHandClauseList,
- [[maybe_unused]] const AtomicListT *rightHandClauseList,
+ [[maybe_unused]] const AtomicListT *rightHandClauseList, mlir::Location loc,
mlir::Value *evaluatedExprValue = nullptr) {
// Generate `atomic.write` operation for atomic assignment statements
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
- mlir::Location currentLocation = converter.getCurrentLocation();
if constexpr (std::is_same<AtomicListT,
Fortran::parser::OmpAtomicClauseList>()) {
@@ -184,11 +181,10 @@ static inline void genOmpAccAtomicWriteStatement(
if (rightHandClauseList)
genOmpAtomicHintAndMemoryOrderClauses(converter, *rightHandClauseList,
hint, memoryOrder);
- firOpBuilder.create<mlir::omp::AtomicWriteOp>(currentLocation, lhsAddr,
- rhsExpr, hint, memoryOrder);
+ firOpBuilder.create<mlir::omp::AtomicWriteOp>(loc, lhsAddr, rhsExpr, hint,
+ memoryOrder);
} else {
- firOpBuilder.create<mlir::acc::AtomicWriteOp>(currentLocation, lhsAddr,
- rhsExpr);
+ firOpBuilder.create<mlir::acc::AtomicWriteOp>(loc, lhsAddr, rhsExpr);
}
}
@@ -200,7 +196,7 @@ static inline void genOmpAccAtomicUpdateStatement(
mlir::Type varType, const Fortran::parser::Variable &assignmentStmtVariable,
const Fortran::parser::Expr &assignmentStmtExpr,
[[maybe_unused]] const AtomicListT *leftHandClauseList,
- [[maybe_unused]] const AtomicListT *rightHandClauseList,
+ [[maybe_unused]] const AtomicListT *rightHandClauseList, mlir::Location loc,
mlir::Operation *atomicCaptureOp = nullptr) {
// Generate `atomic.update` operation for atomic assignment statements
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
@@ -302,7 +298,7 @@ static inline void genOmpAccAtomicUpdateStatement(
/// Processes an atomic construct with write clause.
template <typename AtomicT, typename AtomicListT>
void genOmpAccAtomicWrite(Fortran::lower::AbstractConverter &converter,
- const AtomicT &atomicWrite) {
+ const AtomicT &atomicWrite, mlir::Location loc) {
const AtomicListT *rightHandClauseList = nullptr;
const AtomicListT *leftHandClauseList = nullptr;
if constexpr (std::is_same<AtomicListT,
@@ -324,13 +320,13 @@ void genOmpAccAtomicWrite(Fortran::lower::AbstractConverter &converter,
mlir::Value lhsAddr =
fir::getBase(converter.genExprAddr(assign.lhs, stmtCtx));
genOmpAccAtomicWriteStatement(converter, lhsAddr, rhsExpr, leftHandClauseList,
- rightHandClauseList);
+ rightHandClauseList, loc);
}
/// Processes an atomic construct with read clause.
template <typename AtomicT, typename AtomicListT>
void genOmpAccAtomicRead(Fortran::lower::AbstractConverter &converter,
- const AtomicT &atomicRead) {
+ const AtomicT &atomicRead, mlir::Location loc) {
const AtomicListT *rightHandClauseList = nullptr;
const AtomicListT *leftHandClauseList = nullptr;
if constexpr (std::is_same<AtomicListT,
@@ -357,20 +353,19 @@ void genOmpAccAtomicRead(Fortran::lower::AbstractConverter &converter,
fir::getBase(converter.genExprAddr(fromExpr, stmtCtx));
mlir::Value toAddress = fir::getBase(converter.genExprAddr(
*Fortran::semantics::GetExpr(assignmentStmtVariable), stmtCtx));
- mlir::Location loc = converter.getCurrentLocation();
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
if (fromAddress.getType() != toAddress.getType())
fromAddress =
builder.create<fir::ConvertOp>(loc, toAddress.getType(), fromAddress);
genOmpAccAtomicCaptureStatement(converter, fromAddress, toAddress,
leftHandClauseList, rightHandClauseList,
- elementType);
+ elementType, loc);
}
/// Processes an atomic construct with update clause.
template <typename AtomicT, typename AtomicListT>
void genOmpAccAtomicUpdate(Fortran::lower::AbstractConverter &converter,
- const AtomicT &atomicUpdate) {
+ const AtomicT &atomicUpdate, mlir::Location loc) {
const AtomicListT *rightHandClauseList = nullptr;
const AtomicListT *leftHandClauseList = nullptr;
if constexpr (std::is_same<AtomicListT,
@@ -395,13 +390,13 @@ void genOmpAccAtomicUpdate(Fortran::lower::AbstractConverter &converter,
mlir::Type varType = fir::unwrapRefType(lhsAddr.getType());
genOmpAccAtomicUpdateStatement<AtomicListT>(
converter, lhsAddr, varType, assignmentStmtVariable, assignmentStmtExpr,
- leftHandClauseList, rightHandClauseList);
+ leftHandClauseList, rightHandClauseList, loc);
}
/// Processes an atomic construct with no clause - which implies update clause.
template <typename AtomicT, typename AtomicListT>
void genOmpAtomic(Fortran::lower::AbstractConverter &converter,
- const AtomicT &atomicConstruct) {
+ const AtomicT &atomicConstruct, mlir::Location loc) {
const AtomicListT &atomicClauseList =
std::get<AtomicListT>(atomicConstruct.t);
const auto &assignmentStmtExpr = std::get<Fortran::parser::Expr>(
@@ -420,15 +415,14 @@ void genOmpAtomic(Fortran::lower::AbstractConverter &converter,
// the update clause is specified (for both OpenMP and OpenACC).
genOmpAccAtomicUpdateStatement<AtomicListT>(
converter, lhsAddr, varType, assignmentStmtVariable, assignmentStmtExpr,
- &atomicClauseList, nullptr);
+ &atomicClauseList, nullptr, loc);
}
/// Processes an atomic construct with capture clause.
template <typename AtomicT, typename AtomicListT>
void genOmpAccAtomicCapture(Fortran::lower::AbstractConverter &converter,
- const AtomicT &atomicCapture) {
+ const AtomicT &atomicCapture, mlir::Location loc) {
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
- mlir::Location currentLocation = converter.getCurrentLocation();
const Fortran::parser::AssignmentStmt &stmt1 =
std::get<typename AtomicT::Stmt1>(atomicCapture.t).v.statement;
@@ -480,11 +474,10 @@ void genOmpAccAtomicCapture(Fortran::lower::AbstractConverter &converter,
memoryOrder);
genOmpAtomicHintAndMemoryOrderClauses(converter, rightHandClauseList, hint,
memoryOrder);
- atomicCaptureOp = firOpBuilder.create<mlir::omp::AtomicCaptureOp>(
- currentLocation, hint, memoryOrder);
- } else {
atomicCaptureOp =
- firOpBuilder.create<mlir::acc::AtomicCaptureOp>(currentLocation);
+ firOpBuilder.create<mlir::omp::AtomicCaptureOp>(loc, hint, memoryOrder);
+ } else {
+ atomicCaptureOp = firOpBuilder.create<mlir::acc::AtomicCaptureOp>(loc);
}
firOpBuilder.createBlock(&(atomicCaptureOp->getRegion(0)));
@@ -499,11 +492,11 @@ void genOmpAccAtomicCapture(Fortran::lower::AbstractConverter &converter,
genOmpAccAtomicCaptureStatement<AtomicListT>(
converter, stmt1RHSArg, stmt1LHSArg,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr, elementType);
+ /*rightHandClauseList=*/nullptr, elementType, loc);
genOmpAccAtomicUpdateStatement<AtomicListT>(
converter, stmt1RHSArg, stmt2VarType, stmt2Var, stmt2Expr,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr, atomicCaptureOp);
+ /*rightHandClauseList=*/nullptr, loc, atomicCaptureOp);
} else {
// Atomic capture construct is of the form [capture-stmt, write-stmt]
const Fortran::semantics::SomeExpr &fromExpr =
@@ -512,11 +505,11 @@ void genOmpAccAtomicCapture(Fortran::lower::AbstractConverter &converter,
genOmpAccAtomicCaptureStatement<AtomicListT>(
converter, stmt1RHSArg, stmt1LHSArg,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr, elementType);
+ /*rightHandClauseList=*/nullptr, elementType, loc);
genOmpAccAtomicWriteStatement<AtomicListT>(
converter, stmt1RHSArg, stmt2RHSArg,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr);
+ /*rightHandClauseList=*/nullptr, loc);
}
} else {
// Atomic capture construct is of the form [update-stmt, capture-stmt]
@@ -527,19 +520,19 @@ void genOmpAccAtomicCapture(Fortran::lower::AbstractConverter &converter,
genOmpAccAtomicCaptureStatement<AtomicListT>(
converter, stmt1LHSArg, stmt2LHSArg,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr, elementType);
+ /*rightHandClauseList=*/nullptr, elementType, loc);
firOpBuilder.setInsertionPointToStart(&block);
genOmpAccAtomicUpdateStatement<AtomicListT>(
converter, stmt1LHSArg, stmt1VarType, stmt1Var, stmt1Expr,
/*leftHandClauseList=*/nullptr,
- /*rightHandClauseList=*/nullptr, atomicCaptureOp);
+ /*rightHandClauseList=*/nullptr, loc, atomicCaptureOp);
}
firOpBuilder.setInsertionPointToEnd(&block);
if constexpr (std::is_same<AtomicListT,
Fortran::parser::OmpAtomicClauseList>()) {
- firOpBuilder.create<mlir::omp::TerminatorOp>(currentLocation);
+ firOpBuilder.create<mlir::omp::TerminatorOp>(loc);
} else {
- firOpBuilder.create<mlir::acc::TerminatorOp>(currentLocation);
+ firOpBuilder.create<mlir::acc::TerminatorOp>(loc);
}
firOpBuilder.setInsertionPointToStart(&block);
}
diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 5c29c781417301b..74c51761f1bd1ae 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -3287,25 +3287,29 @@ static void
genACC(Fortran::lower::AbstractConverter &converter,
Fortran::lower::pft::Evaluation &eval,
const Fortran::parser::OpenACCAtomicConstruct &atomicConstruct) {
+
+ mlir::Location loc = converter.genLocation(atomicConstruct.source);
std::visit(
Fortran::common::visitors{
[&](const Fortran::parser::AccAtomicRead &atomicRead) {
Fortran::lower::genOmpAccAtomicRead<Fortran::parser::AccAtomicRead,
- void>(converter, atomicRead);
+ void>(converter, atomicRead,
+ loc);
},
[&](const Fortran::parser::AccAtomicWrite &atomicWrite) {
Fortran::lower::genOmpAccAtomicWrite<
- Fortran::parser::AccAtomicWrite, void>(converter, atomicWrite);
+ Fortran::parser::AccAtomicWrite, void>(converter, atomicWrite,
+ loc);
},
[&](const Fortran::parser::AccAtomicUpdate &atomicUpdate) {
Fortran::lower::genOmpAccAtomicUpdate<
- Fortran::parser::AccAtomicUpdate, void>(converter,
- atomicUpdate);
+ Fortran::parser::AccAtomicUpdate, void>(converter, atomicUpdate,
+ loc);
},
[&](const Fortran::parser::AccAtomicCapture &atomicCapture) {
Fortran::lower::genOmpAccAtomicCapture<
Fortran::parser::AccAtomicCapture, void>(converter,
- atomicCapture);
+ atomicCapture, loc);
},
},
atomicConstruct.u);
diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
index 0faaae6c08e0476..1b9a03f74ac479f 100644
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -3060,29 +3060,38 @@ genOMP(Fortran::lower::AbstractConverter &converter,
std::visit(
Fortran::common::visitors{
[&](const Fortran::parser::OmpAtomicRead &atomicRead) {
+ mlir::Location loc = converter.genLocation(atomicRead.source);
Fortran::lower::genOmpAccAtomicRead<
Fortran::parser::OmpAtomicRead,
- Fortran::parser::OmpAtomicClauseList>(converter, atomicRead);
+ Fortran::parser::OmpAtomicClauseList>(converter, atomicRead,
+ loc);
},
[&](const Fortran::parser::OmpAtomicWrite &atomicWrite) {
+ mlir::Location loc = converter.genLocation(atomicWrite.source);
Fortran::lower::genOmpAccAtomicWrite<
Fortran::parser::OmpAtomicWrite,
- Fortran::parser::OmpAtomicClauseList>(converter, atomicWrite);
+ Fortran::parser::OmpAtomicClauseList>(converter, atomicWrite,
+ loc);
},
[&](const Fortran::parser::OmpAtomic &atomicConstruct) {
+ mlir::Location loc = converter.genLocation(atomicConstruct.source);
Fortran::lower::genOmpAtomic<Fortran::parser::OmpAtomic,
Fortran::parser::OmpAtomicClauseList>(
- converter, atomicConstruct);
+ converter, atomicConstruct, loc);
},
[&](const Fortran::parser::OmpAtomicUpdate &atomicUpdate) {
+ mlir::Location loc = converter.genLocation(atomicUpdate.source);
Fortran::lower::genOmpAccAtomicUpdate<
Fortran::parser::OmpAtomicUpdate,
- Fortran::parser::OmpAtomicClauseList>(converter, atomicUpdate);
+ Fortran::parser::OmpAtomicClauseList>(converter, atomicUpdate,
+ loc);
},
[&](const Fortran::parser::OmpAtomicCapture &atomicCapture) {
+ mlir::Location loc = converter.genLocation(atomicCapture.source);
Fortran::lower::genOmpAccAtomicCapture<
Fortran::parser::OmpAtomicCapture,
- Fortran::parser::OmpAtomicClauseList>(converter, atomicCapture);
+ Fortran::parser::OmpAtomicClauseList>(converter, atomicCapture,
+ loc);
},
},
atomicConstruct.u);
diff --git a/flang/test/Lower/OpenACC/locations.f90 b/flang/test/Lower/OpenACC/locations.f90
index 19788f9f6d1aa21..031d8eda48acdc9 100644
--- a/flang/test/Lower/OpenACC/locations.f90
+++ b/flang/test/Lower/OpenACC/locations.f90
@@ -111,4 +111,56 @@ subroutine if_clause_expr_location(arr)
!CHECK-NEXT: } loc("{{.*}}locations.f90":99:11)
end subroutine
+ subroutine atomic_read_loc()
+ integer(4) :: x
+ integer(8) :: y
+
+ !$acc atomic read
+ y = x
+ end
+ !CHECK: acc.atomic.read {{.*}} loc("{{.*}}locations.f90":118:11)
+
+ subroutine atomic_capture_loc()
+ implicit none
+ integer :: k, v, i
+
+ k = 1
+ v = 0
+
+ !$acc atomic capture
+ v = k
+ k = (i + 1) * 3.14
+ !$acc end atomic
+
+! CHECK: acc.atomic.capture {
+! CHECK: acc.atomic.read {{.*}} loc("{{.*}}locations.f90":130:11)
+! CHECK: acc.atomic.write {{.*}} loc("{{.*}}locations.f90":130:11)
+! CHECK: } loc("{{.*}}locations.f90":130:11)
+
+ end subroutine
+
+ subroutine atomic_update_loc()
+ implicit none
+ integer :: x, y, z
+
+ !$acc atomic
+ y = y + 1
+! CHECK: acc.atomic.update %{{.*}} : !fir.ref<i32> {
+! CHECK: ^bb0(%{{.*}}: i32 loc("{{.*}}locations.f90":142:3)):
+! CHECK: } loc("{{.*}}locations.f90":142:3)
+
+ !$acc atomic update
+ z = x * z
+
+ ! %3 = fir.load %0 : !fir.ref<i32> loc("/local/home/vclement/llvm-project/flang/test/Lower/OpenACC/locations.f90":142:3)
+ ! acc.atomic.update %2 : !fir.ref<i32> {
+ ! ^bb0(%arg0: i32 loc("/local/home/vclement/llvm-project/flang/test/Lower/OpenACC/locations.f90":142:3)):
+ ! %4 = arith.muli %3, %arg0 : i32 loc("/local/home/vclement/llvm-project/flang/test/Lower/OpenACC/locations.f90":142:3)
+ ! acc.yield %4 : i32 loc("/local/home/vclement/llvm-project/flang/test/Lower/OpenACC/locations.f90":142:3)
+ ! } loc("/local/home/vclement/llvm-project/flang/test/Lower/OpenACC/locations.f90":142:3)
+ end subroutine
+
+
end module
+
+
``````````
</details>
https://github.com/llvm/llvm-project/pull/70680
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