[Mlir-commits] [mlir] [OpenMP][MLIR] Add "IsolatedFromAbove" and "OutlineableOpenMPOpInterface" trait to omp.target (PR #67164)
Akash Banerjee
llvmlistbot at llvm.org
Fri Sep 22 10:15:04 PDT 2023
https://github.com/TIFitis updated https://github.com/llvm/llvm-project/pull/67164
>From 813328c1a11452b476d4b3100312356cf20435e4 Mon Sep 17 00:00:00 2001
From: Akash Banerjee <Akash.Banerjee at amd.com>
Date: Fri, 22 Sep 2023 18:12:06 +0100
Subject: [PATCH 1/3] Fortran lowering changes
---
flang/lib/Lower/OpenMP.cpp | 127 +++++++++++++++---
.../Fir/convert-to-llvm-openmp-and-fir.fir | 10 +-
flang/test/Lower/OpenMP/FIR/location.f90 | 2 +-
flang/test/Lower/OpenMP/FIR/target.f90 | 36 ++---
mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td | 8 +-
mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp | 12 ++
6 files changed, 153 insertions(+), 42 deletions(-)
diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
index 5f5e968eaaa6414..c369cba4255d4f4 100644
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -538,7 +538,11 @@ class ClauseProcessor {
const llvm::omp::Directive &directive,
Fortran::semantics::SemanticsContext &semanticsContext,
Fortran::lower::StatementContext &stmtCtx,
- llvm::SmallVectorImpl<mlir::Value> &mapOperands) const;
+ llvm::SmallVectorImpl<mlir::Value> &mapOperands,
+ llvm::SmallVectorImpl<mlir::Type> *mapSymTypes = nullptr,
+ llvm::SmallVectorImpl<mlir::Location> *mapSymLocs = nullptr,
+ llvm::SmallVectorImpl<const Fortran::semantics::Symbol *>
+ *mapSymbols = nullptr) const;
bool processReduction(
mlir::Location currentLocation,
llvm::SmallVectorImpl<mlir::Value> &reductionVars,
@@ -1665,7 +1669,7 @@ static mlir::omp::MapInfoOp
createMapInfoOp(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value baseAddr, std::stringstream &name,
mlir::SmallVector<mlir::Value> bounds, uint64_t mapType,
- mlir::omp::VariableCaptureKind mapCaptureType, bool implicit,
+ mlir::omp::VariableCaptureKind mapCaptureType,
mlir::Type retTy) {
mlir::Value varPtrPtr;
if (auto boxTy = baseAddr.getType().dyn_cast<fir::BaseBoxType>()) {
@@ -1676,7 +1680,6 @@ createMapInfoOp(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::omp::MapInfoOp op =
builder.create<mlir::omp::MapInfoOp>(loc, retTy, baseAddr);
op.setNameAttr(builder.getStringAttr(name.str()));
- op.setImplicit(implicit);
op.setMapType(mapType);
op.setMapCaptureType(mapCaptureType);
@@ -1695,7 +1698,11 @@ bool ClauseProcessor::processMap(
mlir::Location currentLocation, const llvm::omp::Directive &directive,
Fortran::semantics::SemanticsContext &semanticsContext,
Fortran::lower::StatementContext &stmtCtx,
- llvm::SmallVectorImpl<mlir::Value> &mapOperands) const {
+ llvm::SmallVectorImpl<mlir::Value> &mapOperands,
+ llvm::SmallVectorImpl<mlir::Type> *mapSymTypes,
+ llvm::SmallVectorImpl<mlir::Location> *mapSymLocs,
+ llvm::SmallVectorImpl<const Fortran::semantics::Symbol *> *mapSymbols)
+ const {
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
return findRepeatableClause<ClauseTy::Map>(
[&](const ClauseTy::Map *mapClause,
@@ -1755,13 +1762,20 @@ bool ClauseProcessor::processMap(
// Explicit map captures are captured ByRef by default,
// optimisation passes may alter this to ByCopy or other capture
// types to optimise
- mapOperands.push_back(createMapInfoOp(
+ mlir::Value mapOp = createMapInfoOp(
firOpBuilder, clauseLocation, baseAddr, asFortran, bounds,
static_cast<
std::underlying_type_t<llvm::omp::OpenMPOffloadMappingFlags>>(
mapTypeBits),
- mlir::omp::VariableCaptureKind::ByRef, false,
- baseAddr.getType()));
+ mlir::omp::VariableCaptureKind::ByRef, baseAddr.getType());
+
+ mapOperands.push_back(mapOp);
+ if (mapSymTypes)
+ mapSymTypes->push_back(mapOp.getType());
+ if (mapSymLocs)
+ mapSymLocs->push_back(mapOp.getLoc());
+ if (mapSymbols)
+ mapSymbols->push_back(getOmpObjectSymbol(ompObject));
}
});
}
@@ -2142,7 +2156,7 @@ static void createBodyOfOp(
}
}
-static void createBodyOfTargetDataOp(
+static void genBodyOfTargetDataOp(
Fortran::lower::AbstractConverter &converter, mlir::omp::DataOp &dataOp,
const llvm::SmallVector<mlir::Type> &useDeviceTypes,
const llvm::SmallVector<mlir::Location> &useDeviceLocs,
@@ -2356,8 +2370,8 @@ genDataOp(Fortran::lower::AbstractConverter &converter,
auto dataOp = converter.getFirOpBuilder().create<mlir::omp::DataOp>(
currentLocation, ifClauseOperand, deviceOperand, devicePtrOperands,
deviceAddrOperands, mapOperands);
- createBodyOfTargetDataOp(converter, dataOp, useDeviceTypes, useDeviceLocs,
- useDeviceSymbols, currentLocation);
+ genBodyOfTargetDataOp(converter, dataOp, useDeviceTypes, useDeviceLocs,
+ useDeviceSymbols, currentLocation);
return dataOp;
}
@@ -2400,6 +2414,52 @@ genEnterExitDataOp(Fortran::lower::AbstractConverter &converter,
deviceOperand, nowaitAttr, mapOperands);
}
+static void genBodyOfTargetOp(
+ Fortran::lower::AbstractConverter &converter, mlir::omp::TargetOp &targetOp,
+ const llvm::SmallVector<mlir::Type> &mapSymTypes,
+ const llvm::SmallVector<mlir::Location> &mapSymLocs,
+ const llvm::SmallVector<const Fortran::semantics::Symbol *> &mapSymbols,
+ const mlir::Location ¤tLocation) {
+ assert(mapSymTypes.size() == mapSymLocs.size() &&
+ mapSymTypes.size() == mapSymbols.size());
+
+ fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
+ mlir::Region ®ion = targetOp.getRegion();
+
+ firOpBuilder.createBlock(®ion, {}, mapSymTypes, mapSymLocs);
+ firOpBuilder.create<mlir::omp::TerminatorOp>(currentLocation);
+ firOpBuilder.setInsertionPointToStart(®ion.front());
+
+ unsigned argIndex = 0;
+ for (const Fortran::semantics::Symbol *sym : mapSymbols) {
+ const mlir::BlockArgument &arg = region.front().getArgument(argIndex);
+ fir::ExtendedValue extVal = converter.getSymbolExtendedValue(*sym);
+ mlir::Value val = fir::getBase(arg);
+ extVal.match(
+ [&](const fir::BoxValue &v) {
+ converter.bindSymbol(*sym, fir::BoxValue(val, v.getLBounds(),
+ v.getExplicitParameters(),
+ v.getExplicitExtents()));
+ },
+ [&](const fir::MutableBoxValue &v) {
+ converter.bindSymbol(*sym,
+ fir::MutableBoxValue(val, v.getLBounds(),
+ v.getMutableProperties()));
+ },
+ [&](const fir::ArrayBoxValue &v) {
+ converter.bindSymbol(*sym, fir::ArrayBoxValue(val, v.getExtents(),
+ v.getLBounds(),
+ v.getSourceBox()));
+ },
+ [&](const fir::UnboxedValue &v) { converter.bindSymbol(*sym, val); },
+ [&](const auto &) {
+ TODO(converter.getCurrentLocation(),
+ "target map clause operand unsupported type");
+ });
+ argIndex++;
+ }
+}
+
static mlir::omp::TargetOp
genTargetOp(Fortran::lower::AbstractConverter &converter,
Fortran::lower::pft::Evaluation &eval,
@@ -2411,6 +2471,9 @@ genTargetOp(Fortran::lower::AbstractConverter &converter,
mlir::Value ifClauseOperand, deviceOperand, threadLimitOperand;
mlir::UnitAttr nowaitAttr;
llvm::SmallVector<mlir::Value> mapOperands;
+ llvm::SmallVector<mlir::Type> mapSymTypes;
+ llvm::SmallVector<mlir::Location> mapSymLocs;
+ llvm::SmallVector<const Fortran::semantics::Symbol *> mapSymbols;
ClauseProcessor cp(converter, clauseList);
cp.processIf(stmtCtx,
@@ -2420,7 +2483,7 @@ genTargetOp(Fortran::lower::AbstractConverter &converter,
cp.processThreadLimit(stmtCtx, threadLimitOperand);
cp.processNowait(nowaitAttr);
cp.processMap(currentLocation, directive, semanticsContext, stmtCtx,
- mapOperands);
+ mapOperands, &mapSymTypes, &mapSymLocs, &mapSymbols);
cp.processTODO<Fortran::parser::OmpClause::Private,
Fortran::parser::OmpClause::Depend,
Fortran::parser::OmpClause::Firstprivate,
@@ -2433,10 +2496,44 @@ genTargetOp(Fortran::lower::AbstractConverter &converter,
Fortran::parser::OmpClause::Defaultmap>(
currentLocation, llvm::omp::Directive::OMPD_target);
- return genOpWithBody<mlir::omp::TargetOp>(
- converter, eval, currentLocation, outerCombined, &clauseList,
- ifClauseOperand, deviceOperand, threadLimitOperand, nowaitAttr,
- mapOperands);
+ auto captureImplicitMap = [&](const Fortran::semantics::Symbol &sym) {
+ if (llvm::find(mapSymbols, &sym) == mapSymbols.end()) {
+ mlir::Value baseOp = converter.getSymbolAddress(sym);
+ if (!baseOp)
+ if (const auto *details = sym.template detailsIf<
+ Fortran::semantics::HostAssocDetails>()) {
+ baseOp = converter.getSymbolAddress(details->symbol());
+ converter.copySymbolBinding(details->symbol(), sym);
+ }
+
+ if (baseOp) {
+ llvm::SmallVector<mlir::Value> bounds;
+ std::stringstream name;
+ name << sym.name().ToString();
+ mlir::Value mapOp = createMapInfoOp(
+ converter.getFirOpBuilder(), baseOp.getLoc(), baseOp, name, bounds,
+ static_cast<
+ std::underlying_type_t<llvm::omp::OpenMPOffloadMappingFlags>>(
+ llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_LITERAL |
+ llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT),
+ mlir::omp::VariableCaptureKind::ByCopy, baseOp.getType());
+ mapOperands.push_back(mapOp);
+ mapSymTypes.push_back(baseOp.getType());
+ mapSymLocs.push_back(baseOp.getLoc());
+ mapSymbols.push_back(&sym);
+ }
+ }
+ };
+ Fortran::lower::pft::visitAllSymbols(eval, captureImplicitMap);
+
+ auto targetOp = converter.getFirOpBuilder().create<mlir::omp::TargetOp>(
+ currentLocation, ifClauseOperand, deviceOperand, threadLimitOperand,
+ nowaitAttr, mapOperands);
+
+ genBodyOfTargetOp(converter, targetOp, mapSymTypes, mapSymLocs, mapSymbols,
+ currentLocation);
+
+ return targetOp;
}
static mlir::omp::TeamsOp
diff --git a/flang/test/Fir/convert-to-llvm-openmp-and-fir.fir b/flang/test/Fir/convert-to-llvm-openmp-and-fir.fir
index 501a2bee29321a3..4054b57b02a90f7 100644
--- a/flang/test/Fir/convert-to-llvm-openmp-and-fir.fir
+++ b/flang/test/Fir/convert-to-llvm-openmp-and-fir.fir
@@ -420,7 +420,7 @@ func.func @_QPomp_target_data_empty() {
// CHECK-LABEL: llvm.func @_QPomp_target_data_empty
// CHECK: omp.target_data use_device_addr(%1 : !llvm.ptr<array<1024 x i32>>) {
-// CHECK: }
+// CHECK: }
// -----
@@ -434,11 +434,12 @@ func.func @_QPomp_target() {
%2 = omp.bounds lower_bound(%c0 : index) upper_bound(%1 : index) extent(%c512 : index) stride(%c1 : index) start_idx(%c1 : index)
%3 = omp.map_info var_ptr(%0 : !fir.ref<!fir.array<512xi32>>) map_clauses(tofrom) capture(ByRef) bounds(%2) -> !fir.ref<!fir.array<512xi32>> {name = "a"}
omp.target thread_limit(%c64_i32 : i32) map_entries(%3 : !fir.ref<!fir.array<512xi32>>) {
+ ^bb0(%arg0: !fir.ref<!fir.array<512xi32>>):
%c10_i32 = arith.constant 10 : i32
%c1_i64 = arith.constant 1 : i64
%c1_i64_0 = arith.constant 1 : i64
%4 = arith.subi %c1_i64, %c1_i64_0 : i64
- %5 = fir.coordinate_of %0, %4 : (!fir.ref<!fir.array<512xi32>>, i64) -> !fir.ref<i32>
+ %5 = fir.coordinate_of %arg0, %4 : (!fir.ref<!fir.array<512xi32>>, i64) -> !fir.ref<i32>
fir.store %c10_i32 to %5 : !fir.ref<i32>
omp.terminator
}
@@ -456,11 +457,12 @@ func.func @_QPomp_target() {
// CHECK: %[[BOUNDS:.*]] = omp.bounds lower_bound(%[[LOWER]] : i64) upper_bound(%[[UPPER]] : i64) extent(%[[EXTENT]] : i64) stride(%[[STRIDE]] : i64) start_idx(%[[STRIDE]] : i64)
// CHECK: %[[MAP:.*]] = omp.map_info var_ptr(%2 : !llvm.ptr<array<512 x i32>>) map_clauses(tofrom) capture(ByRef) bounds(%[[BOUNDS]]) -> !llvm.ptr<array<512 x i32>> {name = "a"}
// CHECK: omp.target thread_limit(%[[VAL_2]] : i32) map_entries(%[[MAP]] : !llvm.ptr<array<512 x i32>>) {
+// CHECK: ^bb0(%[[ARG_0:.*]]: !llvm.ptr<array<512 x i32>>):
// CHECK: %[[VAL_3:.*]] = llvm.mlir.constant(10 : i32) : i32
// CHECK: %[[VAL_4:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK: %[[VAL_5:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK: %[[VAL_6:.*]] = llvm.mlir.constant(0 : i64) : i64
-// CHECK: %[[VAL_7:.*]] = llvm.getelementptr %[[VAL_1]][0, %[[VAL_6]]] : (!llvm.ptr<array<512 x i32>>, i64) -> !llvm.ptr<i32>
+// CHECK: %[[VAL_7:.*]] = llvm.getelementptr %[[ARG_0]][0, %[[VAL_6]]] : (!llvm.ptr<array<512 x i32>>, i64) -> !llvm.ptr<i32>
// CHECK: llvm.store %[[VAL_3]], %[[VAL_7]] : !llvm.ptr<i32>
// CHECK: omp.terminator
// CHECK: }
@@ -827,4 +829,4 @@ func.func @sub_() {
omp.terminator
}
return
-}
+}
diff --git a/flang/test/Lower/OpenMP/FIR/location.f90 b/flang/test/Lower/OpenMP/FIR/location.f90
index 0e36e09b19e1942..84bbd1605179262 100644
--- a/flang/test/Lower/OpenMP/FIR/location.f90
+++ b/flang/test/Lower/OpenMP/FIR/location.f90
@@ -17,7 +17,7 @@ subroutine sub_parallel()
!CHECK-LABEL: sub_target
subroutine sub_target()
print *, x
-!CHECK: omp.target {
+!CHECK: omp.target
!$omp target
print *, x
!CHECK: omp.terminator loc(#[[TAR_LOC:.*]])
diff --git a/flang/test/Lower/OpenMP/FIR/target.f90 b/flang/test/Lower/OpenMP/FIR/target.f90
index 9b1fb5c15ac1d2d..749ddff523500c5 100644
--- a/flang/test/Lower/OpenMP/FIR/target.f90
+++ b/flang/test/Lower/OpenMP/FIR/target.f90
@@ -190,12 +190,13 @@ subroutine omp_target
!CHECK: %[[BOUNDS:.*]] = omp.bounds lower_bound({{.*}}) upper_bound({{.*}}) extent({{.*}}) stride({{.*}}) start_idx({{.*}})
!CHECK: %[[MAP:.*]] = omp.map_info var_ptr(%[[VAL_0]] : !fir.ref<!fir.array<1024xi32>>) map_clauses(tofrom) capture(ByRef) bounds(%[[BOUNDS]]) -> !fir.ref<!fir.array<1024xi32>> {name = "a"}
!CHECK: omp.target map_entries(%[[MAP]] : !fir.ref<!fir.array<1024xi32>>) {
+ !CHECK: ^bb0(%[[ARG_0:.*]]: !fir.ref<!fir.array<1024xi32>>):
!$omp target map(tofrom: a)
!CHECK: %[[VAL_1:.*]] = arith.constant 10 : i32
!CHECK: %[[VAL_2:.*]] = arith.constant 1 : i64
!CHECK: %[[VAL_3:.*]] = arith.constant 1 : i64
!CHECK: %[[VAL_4:.*]] = arith.subi %[[VAL_2]], %[[VAL_3]] : i64
- !CHECK: %[[VAL_5:.*]] = fir.coordinate_of %[[VAL_0]], %[[VAL_4]] : (!fir.ref<!fir.array<1024xi32>>, i64) -> !fir.ref<i32>
+ !CHECK: %[[VAL_5:.*]] = fir.coordinate_of %[[ARG_0]], %[[VAL_4]] : (!fir.ref<!fir.array<1024xi32>>, i64) -> !fir.ref<i32>
!CHECK: fir.store %[[VAL_1]] to %[[VAL_5]] : !fir.ref<i32>
a(1) = 10
!CHECK: omp.terminator
@@ -213,6 +214,7 @@ subroutine omp_target_thread_limit
!CHECK: %[[VAL_1:.*]] = arith.constant 64 : i32
!CHECK: %[[MAP:.*]] = omp.map_info var_ptr({{.*}}) map_clauses(tofrom) capture(ByRef) -> !fir.ref<i32> {name = "a"}
!CHECK: omp.target thread_limit(%[[VAL_1]] : i32) map_entries(%[[MAP]] : !fir.ref<i32>) {
+ !CHECK: ^bb0(%{{.*}}: !fir.ref<i32>):
!$omp target map(tofrom: a) thread_limit(64)
a = 10
!CHECK: omp.terminator
@@ -274,23 +276,25 @@ subroutine omp_target_parallel_do
!CHECK: %[[C0:.*]] = arith.constant 0 : index
!CHECK: %[[SUB:.*]] = arith.subi %[[C1024]], %[[C1]] : index
!CHECK: %[[BOUNDS:.*]] = omp.bounds lower_bound(%[[C0]] : index) upper_bound(%[[SUB]] : index) extent(%[[C1024]] : index) stride(%[[C1]] : index) start_idx(%[[C1]] : index)
- !CHECK: %[[MAP:.*]] = omp.map_info var_ptr(%[[VAL_0]] : !fir.ref<!fir.array<1024xi32>>) map_clauses(tofrom) capture(ByRef) bounds(%[[BOUNDS]]) -> !fir.ref<!fir.array<1024xi32>> {name = "a"}
- !CHECK: omp.target map_entries(%[[MAP]] : !fir.ref<!fir.array<1024xi32>>) {
+ !CHECK: %[[MAP1:.*]] = omp.map_info var_ptr(%[[VAL_0]] : !fir.ref<!fir.array<1024xi32>>) map_clauses(tofrom) capture(ByRef) bounds(%[[BOUNDS]]) -> !fir.ref<!fir.array<1024xi32>> {name = "a"}
+ !CHECK: %[[MAP2:.*]] = omp.map_info var_ptr(%[[VAL_1]] : !fir.ref<i32>) map_clauses(literal, implicit, exit_release_or_enter_alloc) capture(ByCopy) -> !fir.ref<i32> {name = "i"}
+ !CHECK: omp.target map_entries(%[[MAP1]], %[[MAP2]] : !fir.ref<!fir.array<1024xi32>>, !fir.ref<i32>) {
+ !CHECK: ^bb0(%[[VAL_2:.*]]: !fir.ref<!fir.array<1024xi32>>, %[[VAL_3:.*]]: !fir.ref<i32>):
!CHECK-NEXT: omp.parallel
!$omp target parallel do map(tofrom: a)
- !CHECK: %[[VAL_2:.*]] = fir.alloca i32 {adapt.valuebyref, pinned}
- !CHECK: %[[VAL_3:.*]] = arith.constant 1 : i32
- !CHECK: %[[VAL_4:.*]] = arith.constant 1024 : i32
+ !CHECK: %[[VAL_4:.*]] = fir.alloca i32 {adapt.valuebyref, pinned}
!CHECK: %[[VAL_5:.*]] = arith.constant 1 : i32
- !CHECK: omp.wsloop for (%[[VAL_6:.*]]) : i32 = (%[[VAL_3]]) to (%[[VAL_4]]) inclusive step (%[[VAL_5]]) {
- !CHECK: fir.store %[[VAL_6]] to %[[VAL_2]] : !fir.ref<i32>
- !CHECK: %[[VAL_7:.*]] = arith.constant 10 : i32
- !CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
- !CHECK: %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (i32) -> i64
- !CHECK: %[[VAL_10:.*]] = arith.constant 1 : i64
- !CHECK: %[[VAL_11:.*]] = arith.subi %[[VAL_9]], %[[VAL_10]] : i64
- !CHECK: %[[VAL_12:.*]] = fir.coordinate_of %[[VAL_0]], %[[VAL_11]] : (!fir.ref<!fir.array<1024xi32>>, i64) -> !fir.ref<i32>
- !CHECK: fir.store %[[VAL_7]] to %[[VAL_12]] : !fir.ref<i32>
+ !CHECK: %[[VAL_6:.*]] = arith.constant 1024 : i32
+ !CHECK: %[[VAL_7:.*]] = arith.constant 1 : i32
+ !CHECK: omp.wsloop for (%[[VAL_8:.*]]) : i32 = (%[[VAL_5]]) to (%[[VAL_6]]) inclusive step (%[[VAL_7]]) {
+ !CHECK: fir.store %[[VAL_8]] to %[[VAL_4]] : !fir.ref<i32>
+ !CHECK: %[[VAL_9:.*]] = arith.constant 10 : i32
+ !CHECK: %[[VAL_10:.*]] = fir.load %[[VAL_4]] : !fir.ref<i32>
+ !CHECK: %[[VAL_11:.*]] = fir.convert %[[VAL_10]] : (i32) -> i64
+ !CHECK: %[[VAL_12:.*]] = arith.constant 1 : i64
+ !CHECK: %[[VAL_13:.*]] = arith.subi %[[VAL_11]], %[[VAL_12]] : i64
+ !CHECK: %[[VAL_14:.*]] = fir.coordinate_of %[[VAL_2]], %[[VAL_13]] : (!fir.ref<!fir.array<1024xi32>>, i64) -> !fir.ref<i32>
+ !CHECK: fir.store %[[VAL_9]] to %[[VAL_14]] : !fir.ref<i32>
do i = 1, 1024
a(i) = 10
end do
@@ -301,4 +305,4 @@ subroutine omp_target_parallel_do
!CHECK: omp.terminator
!CHECK: }
!$omp end target parallel do
-end subroutine omp_target_parallel_do
+ end subroutine omp_target_parallel_do
diff --git a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
index bcd60d8046c8925..248b92a08649c88 100644
--- a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
+++ b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
@@ -1149,7 +1149,6 @@ def MapInfoOp : OpenMP_Op<"map_info", [AttrSizedOperandSegments]> {
Variadic<DataBoundsType>:$bounds, /* rank-0 to rank-{n-1} */
OptionalAttr<UI64Attr>:$map_type,
OptionalAttr<VariableCaptureKindAttr>:$map_capture_type,
- DefaultValuedAttr<BoolAttr, "false">:$implicit,
OptionalAttr<StrAttr>:$name);
let results = (outs OpenMP_PointerLikeType:$omp_ptr);
@@ -1177,7 +1176,7 @@ def MapInfoOp : OpenMP_Op<"map_info", [AttrSizedOperandSegments]> {
```
=>
```mlir
- omp.map_info var_ptr(%index_ssa) map_type(to) map_capture_type(ByRef) implicit(false)
+ omp.map_info var_ptr(%index_ssa) map_type(to) map_capture_type(ByRef)
name(index)
```
@@ -1189,9 +1188,6 @@ def MapInfoOp : OpenMP_Op<"map_info", [AttrSizedOperandSegments]> {
objects (e.g. derived types or classes), indicates the bounds to be copied
of the variable. When it's an array slice it is in rank order where rank 0
is the inner-most dimension.
- - `implicit`: indicates where the map item has been specified explicitly in a
- map clause or captured implicitly by being used in a target region with no
- map or other data mapping construct.
- 'map_clauses': OpenMP map type for this map capture, for example: from, to and
always. It's a bitfield composed of the OpenMP runtime flags stored in
OpenMPOffloadMappingFlags.
@@ -1375,7 +1371,7 @@ def Target_ExitDataOp: OpenMP_Op<"target_exit_data",
// 2.14.5 target construct
//===----------------------------------------------------------------------===//
-def TargetOp : OpenMP_Op<"target",[AttrSizedOperandSegments]> {
+def TargetOp : OpenMP_Op<"target",[IsolatedFromAbove, OutlineableOpenMPOpInterface, AttrSizedOperandSegments]> {
let summary = "target construct";
let description = [{
The target construct includes a region of code which is to be executed
diff --git a/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp b/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
index 2bf9355ed62676b..bb4fc191432957c 100644
--- a/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
+++ b/mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
@@ -693,6 +693,12 @@ static ParseResult parseMapClause(OpAsmParser &parser, IntegerAttr &mapType) {
if (mapTypeMod == "always")
mapTypeBits |= llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_ALWAYS;
+ if (mapTypeMod == "literal")
+ mapTypeBits |= llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_LITERAL;
+
+ if (mapTypeMod == "implicit")
+ mapTypeBits |= llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT;
+
if (mapTypeMod == "close")
mapTypeBits |= llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_CLOSE;
@@ -740,6 +746,12 @@ static void printMapClause(OpAsmPrinter &p, Operation *op,
if (mapTypeToBitFlag(mapTypeBits,
llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_ALWAYS))
mapTypeStrs.push_back("always");
+ if (mapTypeToBitFlag(mapTypeBits,
+ llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_LITERAL))
+ mapTypeStrs.push_back("literal");
+ if (mapTypeToBitFlag(mapTypeBits,
+ llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_IMPLICIT))
+ mapTypeStrs.push_back("implicit");
if (mapTypeToBitFlag(mapTypeBits,
llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_CLOSE))
mapTypeStrs.push_back("close");
>From 087748a5a3d813e2c549284c7d0f4553279ad723 Mon Sep 17 00:00:00 2001
From: Akash Banerjee <Akash.Banerjee at amd.com>
Date: Fri, 22 Sep 2023 18:13:46 +0100
Subject: [PATCH 2/3] MLIR changes
---
.../OpenMP/OpenMPToLLVMIRTranslation.cpp | 27 ++++++++++++++-----
.../OpenMPToLLVM/convert-to-llvmir.mlir | 14 ++++++----
mlir/test/Dialect/OpenMP/canonicalize.mlir | 5 ++--
.../LLVMIR/omptarget-region-device-llvm.mlir | 7 ++---
.../omptarget-region-llvm-target-device.mlir | 7 ++---
.../Target/LLVMIR/omptarget-region-llvm.mlir | 7 ++---
.../omptarget-region-parallel-llvm.mlir | 7 ++---
7 files changed, 48 insertions(+), 26 deletions(-)
diff --git a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
index 8f7f1963b3e5a4f..f796ace1ab29b9e 100644
--- a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
@@ -2011,6 +2011,8 @@ convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
auto targetOp = cast<omp::TargetOp>(opInst);
auto &targetRegion = targetOp.getRegion();
+ DataLayout DL = DataLayout(opInst.getParentOfType<ModuleOp>());
+ SmallVector<Value> mapOperands = targetOp.getMapOperands();
// This function filters out kernel data that will not show up as kernel
// input arguments to the generated kernel function but will still need
@@ -2018,7 +2020,7 @@ convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
// (declare target). It also prepares some data used for generating the
// kernel and populating the associated OpenMP runtime data structures.
auto getKernelArguments =
- [&](const llvm::SetVector<Value> &operandSet,
+ [&](const llvm::SmallVectorImpl<Value> &operandSet,
llvm::SmallVectorImpl<llvm::Value *> &llvmInputs) {
for (Value operand : operandSet) {
if (!getRefPtrIfDeclareTarget(operand, moduleTranslation))
@@ -2026,11 +2028,15 @@ convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
}
};
- llvm::SetVector<Value> operandSet;
- getUsedValuesDefinedAbove(targetRegion, operandSet);
+ llvm::SmallVector<Value> mapVals;
+ for (Value mapOp : mapOperands) {
+ auto mapInfoOp =
+ mlir::dyn_cast<mlir::omp::MapInfoOp>(mapOp.getDefiningOp());
+ mapVals.push_back(mapInfoOp.getVarPtr());
+ }
llvm::SmallVector<llvm::Value *> inputs;
- getKernelArguments(operandSet, inputs);
+ getKernelArguments(mapVals, inputs);
LogicalResult bodyGenStatus = success();
@@ -2038,6 +2044,16 @@ convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
auto bodyCB = [&](InsertPointTy allocaIP,
InsertPointTy codeGenIP) -> InsertPointTy {
builder.restoreIP(codeGenIP);
+ unsigned argIndex = 0;
+ for (auto &mapOp : mapOperands) {
+ auto mapInfoOp =
+ mlir::dyn_cast<mlir::omp::MapInfoOp>(mapOp.getDefiningOp());
+ llvm::Value *mapOpValue =
+ moduleTranslation.lookupValue(mapInfoOp.getVarPtr());
+ const auto &arg = targetRegion.front().getArgument(argIndex);
+ moduleTranslation.mapValue(arg, mapOpValue);
+ argIndex++;
+ }
llvm::BasicBlock *exitBlock = convertOmpOpRegions(
targetRegion, "omp.target", builder, moduleTranslation, bodyGenStatus);
builder.SetInsertPoint(exitBlock);
@@ -2065,9 +2081,6 @@ convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
llvm::OpenMPIRBuilder::InsertPointTy allocaIP =
findAllocaInsertPoint(builder, moduleTranslation);
- DataLayout DL = DataLayout(opInst.getParentOfType<ModuleOp>());
- SmallVector<Value> mapOperands = targetOp.getMapOperands();
-
auto getMapTypes = [](mlir::OperandRange mapOperands,
mlir::MLIRContext *ctx) {
SmallVector<mlir::Attribute> mapTypes;
diff --git a/mlir/test/Conversion/OpenMPToLLVM/convert-to-llvmir.mlir b/mlir/test/Conversion/OpenMPToLLVM/convert-to-llvmir.mlir
index 1df27dd9957e594..b290c69a14cfba2 100644
--- a/mlir/test/Conversion/OpenMPToLLVM/convert-to-llvmir.mlir
+++ b/mlir/test/Conversion/OpenMPToLLVM/convert-to-llvmir.mlir
@@ -244,10 +244,12 @@ llvm.func @_QPomp_target_data_region(%a : !llvm.ptr<array<1024 x i32>>, %i : !ll
// CHECK: %[[ARG_0:.*]]: !llvm.ptr<array<1024 x i32>>,
// CHECK: %[[ARG_1:.*]]: !llvm.ptr<i32>) {
// CHECK: %[[VAL_0:.*]] = llvm.mlir.constant(64 : i32) : i32
-// CHECK: %[[MAP:.*]] = omp.map_info var_ptr(%[[ARG_0]] : !llvm.ptr<array<1024 x i32>>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<array<1024 x i32>> {name = ""}
-// CHECK: omp.target thread_limit(%[[VAL_0]] : i32) map_entries(%[[MAP]] : !llvm.ptr<array<1024 x i32>>) {
+// CHECK: %[[MAP1:.*]] = omp.map_info var_ptr(%[[ARG_0]] : !llvm.ptr<array<1024 x i32>>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<array<1024 x i32>> {name = ""}
+// CHECK: %[[MAP2:.*]] = omp.map_info var_ptr(%[[ARG_1]] : !llvm.ptr<i32>) map_clauses(literal, implicit, exit_release_or_enter_alloc) capture(ByCopy) -> !llvm.ptr<i32> {name = ""}
+// CHECK: omp.target thread_limit(%[[VAL_0]] : i32) map_entries(%[[MAP1]], %[[MAP2]] : !llvm.ptr<array<1024 x i32>>, !llvm.ptr<i32>) {
+// CHECK: ^bb0(%[[BB_ARG0:.*]]: !llvm.ptr<array<1024 x i32>>, %[[BB_ARG1:.*]]: !llvm.ptr<i32>):
// CHECK: %[[VAL_1:.*]] = llvm.mlir.constant(10 : i32) : i32
-// CHECK: llvm.store %[[VAL_1]], %[[ARG_1]] : !llvm.ptr<i32>
+// CHECK: llvm.store %[[VAL_1]], %[[BB_ARG1]] : !llvm.ptr<i32>
// CHECK: omp.terminator
// CHECK: }
// CHECK: llvm.return
@@ -256,9 +258,11 @@ llvm.func @_QPomp_target_data_region(%a : !llvm.ptr<array<1024 x i32>>, %i : !ll
llvm.func @_QPomp_target(%a : !llvm.ptr<array<1024 x i32>>, %i : !llvm.ptr<i32>) {
%0 = llvm.mlir.constant(64 : i32) : i32
%1 = omp.map_info var_ptr(%a : !llvm.ptr<array<1024 x i32>>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<array<1024 x i32>> {name = ""}
- omp.target thread_limit(%0 : i32) map_entries(%1 : !llvm.ptr<array<1024 x i32>>) {
+ %3 = omp.map_info var_ptr(%i : !llvm.ptr<i32>) map_clauses(literal, implicit, exit_release_or_enter_alloc) capture(ByCopy) -> !llvm.ptr<i32> {name = ""}
+ omp.target thread_limit(%0 : i32) map_entries(%1, %3 : !llvm.ptr<array<1024 x i32>>, !llvm.ptr<i32>) {
+ ^bb0(%arg0: !llvm.ptr<array<1024 x i32>>, %arg1: !llvm.ptr<i32>):
%2 = llvm.mlir.constant(10 : i32) : i32
- llvm.store %2, %i : !llvm.ptr<i32>
+ llvm.store %2, %arg1 : !llvm.ptr<i32>
omp.terminator
}
llvm.return
diff --git a/mlir/test/Dialect/OpenMP/canonicalize.mlir b/mlir/test/Dialect/OpenMP/canonicalize.mlir
index 68f5bacb1def178..4ecbb027ba47f24 100644
--- a/mlir/test/Dialect/OpenMP/canonicalize.mlir
+++ b/mlir/test/Dialect/OpenMP/canonicalize.mlir
@@ -131,8 +131,9 @@ func.func private @foo() -> ()
func.func @constant_hoisting_target(%x : !llvm.ptr<i32>) {
omp.target {
+ ^bb0(%arg0: !llvm.ptr<i32>):
%c1 = arith.constant 10 : i32
- llvm.store %c1, %x : i32, !llvm.ptr<i32>
+ llvm.store %c1, %arg0 : i32, !llvm.ptr<i32>
omp.terminator
}
return
@@ -141,4 +142,4 @@ func.func @constant_hoisting_target(%x : !llvm.ptr<i32>) {
// CHECK-LABEL: func.func @constant_hoisting_target
// CHECK-NOT: arith.constant
// CHECK: omp.target
-// CHECK-NEXT: arith.constant
+// CHECK: arith.constant
diff --git a/mlir/test/Target/LLVMIR/omptarget-region-device-llvm.mlir b/mlir/test/Target/LLVMIR/omptarget-region-device-llvm.mlir
index cf70469e7484f64..dbc5f2d3475d01c 100644
--- a/mlir/test/Target/LLVMIR/omptarget-region-device-llvm.mlir
+++ b/mlir/test/Target/LLVMIR/omptarget-region-device-llvm.mlir
@@ -16,10 +16,11 @@ module attributes {omp.is_target_device = true} {
%map2 = omp.map_info var_ptr(%5 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
%map3 = omp.map_info var_ptr(%7 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
omp.target map_entries(%map1, %map2, %map3 : !llvm.ptr<i32>, !llvm.ptr<i32>, !llvm.ptr<i32>) {
- %8 = llvm.load %3 : !llvm.ptr<i32>
- %9 = llvm.load %5 : !llvm.ptr<i32>
+ ^bb0(%arg0: !llvm.ptr<i32>, %arg1: !llvm.ptr<i32>, %arg2: !llvm.ptr<i32>):
+ %8 = llvm.load %arg0 : !llvm.ptr<i32>
+ %9 = llvm.load %arg1 : !llvm.ptr<i32>
%10 = llvm.add %8, %9 : i32
- llvm.store %10, %7 : !llvm.ptr<i32>
+ llvm.store %10, %arg2 : !llvm.ptr<i32>
omp.terminator
}
llvm.return
diff --git a/mlir/test/Target/LLVMIR/omptarget-region-llvm-target-device.mlir b/mlir/test/Target/LLVMIR/omptarget-region-llvm-target-device.mlir
index 01a3bd556294f3e..bea3e481cae3496 100644
--- a/mlir/test/Target/LLVMIR/omptarget-region-llvm-target-device.mlir
+++ b/mlir/test/Target/LLVMIR/omptarget-region-llvm-target-device.mlir
@@ -3,10 +3,11 @@
// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
module attributes {omp.is_target_device = true} {
- llvm.func @writeindex_omp_outline_0_(%arg0: !llvm.ptr<i32>, %arg1: !llvm.ptr<i32>) attributes {omp.outline_parent_name = "writeindex_"} {
- %0 = omp.map_info var_ptr(%arg0 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
- %1 = omp.map_info var_ptr(%arg1 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
+ llvm.func @writeindex_omp_outline_0_(%val0: !llvm.ptr<i32>, %val1: !llvm.ptr<i32>) attributes {omp.outline_parent_name = "writeindex_"} {
+ %0 = omp.map_info var_ptr(%val0 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
+ %1 = omp.map_info var_ptr(%val1 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
omp.target map_entries(%0, %1 : !llvm.ptr<i32>, !llvm.ptr<i32>) {
+ ^bb0(%arg0: !llvm.ptr<i32>, %arg1: !llvm.ptr<i32>):
%2 = llvm.mlir.constant(20 : i32) : i32
%3 = llvm.mlir.constant(10 : i32) : i32
llvm.store %3, %arg0 : !llvm.ptr<i32>
diff --git a/mlir/test/Target/LLVMIR/omptarget-region-llvm.mlir b/mlir/test/Target/LLVMIR/omptarget-region-llvm.mlir
index 51506386d83782d..8d11a684f7139c2 100644
--- a/mlir/test/Target/LLVMIR/omptarget-region-llvm.mlir
+++ b/mlir/test/Target/LLVMIR/omptarget-region-llvm.mlir
@@ -16,10 +16,11 @@ module attributes {omp.is_target_device = false} {
%map2 = omp.map_info var_ptr(%5 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
%map3 = omp.map_info var_ptr(%7 : !llvm.ptr<i32>) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
omp.target map_entries(%map1, %map2, %map3 : !llvm.ptr<i32>, !llvm.ptr<i32>, !llvm.ptr<i32>) {
- %8 = llvm.load %3 : !llvm.ptr<i32>
- %9 = llvm.load %5 : !llvm.ptr<i32>
+ ^bb0(%arg0: !llvm.ptr<i32>, %arg1: !llvm.ptr<i32>, %arg2: !llvm.ptr<i32>):
+ %8 = llvm.load %arg0 : !llvm.ptr<i32>
+ %9 = llvm.load %arg1 : !llvm.ptr<i32>
%10 = llvm.add %8, %9 : i32
- llvm.store %10, %7 : !llvm.ptr<i32>
+ llvm.store %10, %arg2 : !llvm.ptr<i32>
omp.terminator
}
llvm.return
diff --git a/mlir/test/Target/LLVMIR/omptarget-region-parallel-llvm.mlir b/mlir/test/Target/LLVMIR/omptarget-region-parallel-llvm.mlir
index f0bd37ca36e93b4..a0c57ddc8148aed 100644
--- a/mlir/test/Target/LLVMIR/omptarget-region-parallel-llvm.mlir
+++ b/mlir/test/Target/LLVMIR/omptarget-region-parallel-llvm.mlir
@@ -16,11 +16,12 @@ module attributes {omp.is_target_device = false} {
%map2 = omp.map_info var_ptr(%5 : !llvm.ptr<i32>) map_clauses(tofrommap_info) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
%map3 = omp.map_info var_ptr(%7 : !llvm.ptr<i32>) map_clauses(tofrommap_info) capture(ByRef) -> !llvm.ptr<i32> {name = ""}
omp.target map_entries( %map1, %map2, %map3 : !llvm.ptr<i32>, !llvm.ptr<i32>, !llvm.ptr<i32>) {
+ ^bb0(%arg0: !llvm.ptr<i32>, %arg1: !llvm.ptr<i32>, %arg2: !llvm.ptr<i32>):
omp.parallel {
- %8 = llvm.load %3 : !llvm.ptr<i32>
- %9 = llvm.load %5 : !llvm.ptr<i32>
+ %8 = llvm.load %arg0 : !llvm.ptr<i32>
+ %9 = llvm.load %arg1 : !llvm.ptr<i32>
%10 = llvm.add %8, %9 : i32
- llvm.store %10, %7 : !llvm.ptr<i32>
+ llvm.store %10, %arg2 : !llvm.ptr<i32>
omp.terminator
}
omp.terminator
>From dc1b639f5e7160aaa6c995ae860b953ba0254586 Mon Sep 17 00:00:00 2001
From: Akash Banerjee <Akash.Banerjee at amd.com>
Date: Fri, 22 Sep 2023 18:14:04 +0100
Subject: [PATCH 3/3] OMPEarlyOutliningPass removal
---
.../flang/Optimizer/Transforms/Passes.h | 2 -
.../flang/Optimizer/Transforms/Passes.td | 18 +-
flang/include/flang/Tools/CLOptions.inc | 4 +-
flang/lib/Optimizer/Transforms/CMakeLists.txt | 1 -
.../Transforms/OMPEarlyOutlining.cpp | 261 ------------------
.../Lower/OpenMP/FIR/function-filtering-2.f90 | 2 -
.../Lower/OpenMP/FIR/function-filtering.f90 | 5 -
.../OpenMP/FIR/omp-target-early-outlining.f90 | 89 ------
8 files changed, 4 insertions(+), 378 deletions(-)
delete mode 100644 flang/lib/Optimizer/Transforms/OMPEarlyOutlining.cpp
delete mode 100644 flang/test/Lower/OpenMP/FIR/omp-target-early-outlining.f90
diff --git a/flang/include/flang/Optimizer/Transforms/Passes.h b/flang/include/flang/Optimizer/Transforms/Passes.h
index 8aeb3e373298e88..460aeafbe1a7e19 100644
--- a/flang/include/flang/Optimizer/Transforms/Passes.h
+++ b/flang/include/flang/Optimizer/Transforms/Passes.h
@@ -74,8 +74,6 @@ std::unique_ptr<mlir::Pass>
createAlgebraicSimplificationPass(const mlir::GreedyRewriteConfig &config);
std::unique_ptr<mlir::Pass> createPolymorphicOpConversionPass();
-std::unique_ptr<mlir::OperationPass<mlir::ModuleOp>>
-createOMPEarlyOutliningPass();
std::unique_ptr<mlir::Pass> createOMPFunctionFilteringPass();
std::unique_ptr<mlir::OperationPass<mlir::ModuleOp>>
createOMPMarkDeclareTargetPass();
diff --git a/flang/include/flang/Optimizer/Transforms/Passes.td b/flang/include/flang/Optimizer/Transforms/Passes.td
index 9474edf13ce4639..dd4d99a1060af90 100644
--- a/flang/include/flang/Optimizer/Transforms/Passes.td
+++ b/flang/include/flang/Optimizer/Transforms/Passes.td
@@ -16,7 +16,7 @@
include "mlir/Pass/PassBase.td"
-class AbstractResultOptBase<string optExt, string operation>
+class AbstractResultOptBase<string optExt, string operation>
: Pass<"abstract-result-on-" # optExt # "-opt", operation> {
let summary = "Convert fir.array, fir.box and fir.rec function result to "
"function argument";
@@ -277,8 +277,8 @@ def PolymorphicOpConversion : Pass<"fir-polymorphic-op", "::mlir::func::FuncOp">
let summary =
"Simplify operations on polymorphic types";
let description = [{
- This pass breaks up the lowering of operations on polymorphic types by
- introducing an intermediate FIR level that simplifies code geneation.
+ This pass breaks up the lowering of operations on polymorphic types by
+ introducing an intermediate FIR level that simplifies code geneation.
}];
let constructor = "::fir::createPolymorphicOpConversionPass()";
let dependentDialects = [
@@ -298,18 +298,6 @@ def LoopVersioning : Pass<"loop-versioning", "mlir::func::FuncOp"> {
let dependentDialects = [ "fir::FIROpsDialect" ];
}
-def OMPEarlyOutliningPass
- : Pass<"omp-early-target-outlining", "mlir::ModuleOp"> {
- let summary = "Outlines all target ops into separate functions";
- let description = [{
- This pass outlines all omp.target operations into individual functions.
- It is invoked in the front end after the initial FIR has been constructed.
- This pass is only needed when compiling for the target device to prevent
- the optimizer to perform transforms across target region boundaries.
- }];
- let constructor = "::fir::createOMPEarlyOutliningPass()";
-}
-
def OMPMarkDeclareTargetPass
: Pass<"omp-mark-declare-target", "mlir::ModuleOp"> {
let summary = "Marks all functions called by an OpenMP declare target function as declare target";
diff --git a/flang/include/flang/Tools/CLOptions.inc b/flang/include/flang/Tools/CLOptions.inc
index 616d9ddc066a75d..5458eb3187a24e4 100644
--- a/flang/include/flang/Tools/CLOptions.inc
+++ b/flang/include/flang/Tools/CLOptions.inc
@@ -266,10 +266,8 @@ inline void createHLFIRToFIRPassPipeline(
inline void createOpenMPFIRPassPipeline(
mlir::PassManager &pm, bool isTargetDevice) {
pm.addPass(fir::createOMPMarkDeclareTargetPass());
- if (isTargetDevice) {
- pm.addPass(fir::createOMPEarlyOutliningPass());
+ if (isTargetDevice)
pm.addPass(fir::createOMPFunctionFilteringPass());
- }
}
#if !defined(FLANG_EXCLUDE_CODEGEN)
diff --git a/flang/lib/Optimizer/Transforms/CMakeLists.txt b/flang/lib/Optimizer/Transforms/CMakeLists.txt
index 3d2b7e5eaeade0a..4035fa9908a7778 100644
--- a/flang/lib/Optimizer/Transforms/CMakeLists.txt
+++ b/flang/lib/Optimizer/Transforms/CMakeLists.txt
@@ -16,7 +16,6 @@ add_flang_library(FIRTransforms
AddDebugFoundation.cpp
PolymorphicOpConversion.cpp
LoopVersioning.cpp
- OMPEarlyOutlining.cpp
OMPFunctionFiltering.cpp
OMPMarkDeclareTarget.cpp
diff --git a/flang/lib/Optimizer/Transforms/OMPEarlyOutlining.cpp b/flang/lib/Optimizer/Transforms/OMPEarlyOutlining.cpp
deleted file mode 100644
index 355a687d5f88588..000000000000000
--- a/flang/lib/Optimizer/Transforms/OMPEarlyOutlining.cpp
+++ /dev/null
@@ -1,261 +0,0 @@
-#include "flang/Optimizer/Dialect/FIRDialect.h"
-#include "flang/Optimizer/Dialect/FIROps.h"
-#include "flang/Optimizer/Dialect/FIRType.h"
-#include "flang/Optimizer/Support/InternalNames.h"
-#include "flang/Optimizer/Transforms/Passes.h"
-#include "mlir/Dialect/Func/IR/FuncOps.h"
-#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
-#include "mlir/Dialect/OpenMP/OpenMPDialect.h"
-#include "mlir/IR/BuiltinDialect.h"
-#include "mlir/IR/BuiltinOps.h"
-#include "mlir/IR/IRMapping.h"
-#include "mlir/IR/Operation.h"
-#include "mlir/IR/SymbolTable.h"
-#include "mlir/Pass/Pass.h"
-#include "mlir/Support/LLVM.h"
-#include "mlir/Transforms/RegionUtils.h"
-#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
-
-namespace fir {
-#define GEN_PASS_DEF_OMPEARLYOUTLININGPASS
-#include "flang/Optimizer/Transforms/Passes.h.inc"
-} // namespace fir
-
-namespace {
-class OMPEarlyOutliningPass
- : public fir::impl::OMPEarlyOutliningPassBase<OMPEarlyOutliningPass> {
-
- std::string getOutlinedFnName(llvm::StringRef parentName, unsigned count) {
- return std::string(parentName) + "_omp_outline_" + std::to_string(count);
- }
-
- // Given a value this function will iterate over an operators results
- // and return the relevant index for the result the value corresponds to.
- // There may be a simpler way to do this however.
- static unsigned getResultIndex(mlir::Value value, mlir::Operation *op) {
- for (unsigned i = 0; i < op->getNumResults(); ++i) {
- if (op->getResult(i) == value)
- return i;
- }
- return 0;
- }
-
- static bool isAddressOfGlobalDeclareTarget(mlir::Value value) {
- if (fir::AddrOfOp addressOfOp =
- mlir::dyn_cast_if_present<fir::AddrOfOp>(value.getDefiningOp()))
- if (fir::GlobalOp gOp = mlir::dyn_cast_if_present<fir::GlobalOp>(
- addressOfOp->getParentOfType<mlir::ModuleOp>().lookupSymbol(
- addressOfOp.getSymbol())))
- if (auto declareTargetGlobal =
- llvm::dyn_cast<mlir::omp::DeclareTargetInterface>(
- gOp.getOperation()))
- if (declareTargetGlobal.isDeclareTarget())
- return true;
- return false;
- }
-
- // Currently used for cloning arguments that are nested. Should be
- // extendable where required, perhaps via operation
- // specialisation/overloading, if something needs specialised handling.
- // NOTE: Results in duplication of some values that would otherwise be
- // a single SSA value shared between operations, this is tidied up on
- // lowering to some extent.
- static mlir::Operation *
- cloneArgAndChildren(mlir::OpBuilder &builder, mlir::Operation *op,
- llvm::SetVector<mlir::Value> &inputs,
- mlir::Block::BlockArgListType &newInputs) {
- mlir::IRMapping valueMap;
- for (mlir::Value opValue : op->getOperands()) {
- if (opValue.getDefiningOp()) {
- unsigned resIdx = getResultIndex(opValue, opValue.getDefiningOp());
- valueMap.map(opValue,
- cloneArgAndChildren(builder, opValue.getDefiningOp(),
- inputs, newInputs)
- ->getResult(resIdx));
- } else {
- for (auto inArg : llvm::zip(inputs, newInputs)) {
- if (opValue == std::get<0>(inArg))
- valueMap.map(opValue, std::get<1>(inArg));
- }
- }
- }
-
- return builder.clone(*op, valueMap);
- }
-
- static void cloneMapOpVariables(mlir::OpBuilder &builder,
- mlir::IRMapping &valueMap,
- mlir::IRMapping &mapInfoMap,
- llvm::SetVector<mlir::Value> &inputs,
- mlir::Block::BlockArgListType &newInputs,
- mlir::Value varPtr) {
- if (fir::BoxAddrOp boxAddrOp =
- mlir::dyn_cast_if_present<fir::BoxAddrOp>(varPtr.getDefiningOp())) {
- mlir::Value newV =
- cloneArgAndChildren(builder, boxAddrOp, inputs, newInputs)
- ->getResult(0);
- mapInfoMap.map(varPtr, newV);
- valueMap.map(boxAddrOp, newV);
- return;
- }
-
- if (isAddressOfGlobalDeclareTarget(varPtr)) {
- fir::AddrOfOp addrOp =
- mlir::dyn_cast<fir::AddrOfOp>(varPtr.getDefiningOp());
- mlir::Value newV = builder.clone(*addrOp)->getResult(0);
- mapInfoMap.map(varPtr, newV);
- valueMap.map(addrOp, newV);
- return;
- }
-
- for (auto inArg : llvm::zip(inputs, newInputs)) {
- if (varPtr == std::get<0>(inArg))
- mapInfoMap.map(varPtr, std::get<1>(inArg));
- }
- }
-
- mlir::func::FuncOp outlineTargetOp(mlir::OpBuilder &builder,
- mlir::omp::TargetOp &targetOp,
- mlir::func::FuncOp &parentFunc,
- unsigned count) {
- // NOTE: once implicit captures are handled appropriately in the initial
- // PFT lowering if it is possible, we can remove the usage of
- // getUsedValuesDefinedAbove and instead just iterate over the target op's
- // operands (or just the map arguments) and perhaps refactor this function
- // a little.
- // Collect inputs
- llvm::SetVector<mlir::Value> inputs;
- mlir::Region &targetRegion = targetOp.getRegion();
- mlir::getUsedValuesDefinedAbove(targetRegion, inputs);
-
- // filter out declareTarget and map entries which are specially handled
- // at the moment, so we do not wish these to end up as function arguments
- // which would just be more noise in the IR.
- for (llvm::SetVector<mlir::Value>::iterator iter = inputs.begin(); iter != inputs.end();) {
- if (mlir::isa_and_nonnull<mlir::omp::MapInfoOp>(iter->getDefiningOp()) ||
- isAddressOfGlobalDeclareTarget(*iter)) {
- iter = inputs.erase(iter);
- } else {
- ++iter;
- }
- }
-
- // Create new function and initialize
- mlir::FunctionType funcType = builder.getFunctionType(
- mlir::TypeRange(inputs.getArrayRef()), mlir::TypeRange());
- std::string parentName(parentFunc.getName());
- std::string funcName = getOutlinedFnName(parentName, count);
- mlir::Location loc = targetOp.getLoc();
- mlir::func::FuncOp newFunc =
- mlir::func::FuncOp::create(loc, funcName, funcType);
- mlir::Block *entryBlock = newFunc.addEntryBlock();
- builder.setInsertionPointToStart(entryBlock);
- mlir::Block::BlockArgListType newInputs = entryBlock->getArguments();
-
- // Set the declare target information, the outlined function
- // is always a host function.
- if (auto parentDTOp = llvm::dyn_cast<mlir::omp::DeclareTargetInterface>(
- parentFunc.getOperation()))
- if (auto newDTOp = llvm::dyn_cast<mlir::omp::DeclareTargetInterface>(
- newFunc.getOperation()))
- newDTOp.setDeclareTarget(mlir::omp::DeclareTargetDeviceType::host,
- parentDTOp.getDeclareTargetCaptureClause());
-
- // Set the early outlining interface parent name
- if (auto earlyOutlineOp =
- llvm::dyn_cast<mlir::omp::EarlyOutliningInterface>(
- newFunc.getOperation()))
- earlyOutlineOp.setParentName(parentName);
-
- // The value map for the newly generated Target Operation, we must
- // remap most of the input.
- mlir::IRMapping valueMap;
-
- // Special handling for map, declare target and regular map variables
- // are handled slightly differently for the moment, declare target has
- // its addressOfOp cloned over, whereas we skip it for the regular map
- // variables. We need knowledge of which global is linked to the map
- // operation for declare target, whereas we aren't bothered for the
- // regular map variables for the moment. We could treat both the same,
- // however, cloning across the minimum for the moment to avoid
- // optimisations breaking segments of the lowering seems prudent as this
- // was the original intent of the pass.
- for (mlir::Value oper : targetOp->getOperands()) {
- if (auto mapEntry =
- mlir::dyn_cast<mlir::omp::MapInfoOp>(oper.getDefiningOp())) {
- mlir::IRMapping mapInfoMap;
- for (mlir::Value bound : mapEntry.getBounds()) {
- if (auto mapEntryBound = mlir::dyn_cast<mlir::omp::DataBoundsOp>(
- bound.getDefiningOp())) {
- mapInfoMap.map(bound, cloneArgAndChildren(builder, mapEntryBound,
- inputs, newInputs)
- ->getResult(0));
- }
- }
-
- cloneMapOpVariables(builder, valueMap, mapInfoMap, inputs, newInputs,
- mapEntry.getVarPtr());
-
- if (mapEntry.getVarPtrPtr())
- cloneMapOpVariables(builder, valueMap, mapInfoMap, inputs, newInputs,
- mapEntry.getVarPtrPtr());
-
- valueMap.map(
- mapEntry,
- builder.clone(*mapEntry.getOperation(), mapInfoMap)->getResult(0));
- }
- }
-
- for (auto inArg : llvm::zip(inputs, newInputs))
- valueMap.map(std::get<0>(inArg), std::get<1>(inArg));
-
- // Clone the target op into the new function
- builder.clone(*(targetOp.getOperation()), valueMap);
-
- // Create return op
- builder.create<mlir::func::ReturnOp>(loc);
-
- return newFunc;
- }
-
- // Returns true if a target region was found int the function.
- bool outlineTargetOps(mlir::OpBuilder &builder,
- mlir::func::FuncOp &functionOp,
- mlir::ModuleOp &moduleOp,
- llvm::SmallVectorImpl<mlir::func::FuncOp> &newFuncs) {
- unsigned count = 0;
- for (auto TargetOp : functionOp.getOps<mlir::omp::TargetOp>()) {
- mlir::func::FuncOp outlinedFunc =
- outlineTargetOp(builder, TargetOp, functionOp, count);
- newFuncs.push_back(outlinedFunc);
- count++;
- }
- return count > 0;
- }
-
- void runOnOperation() override {
- mlir::ModuleOp moduleOp = getOperation();
- mlir::MLIRContext *context = &getContext();
- mlir::OpBuilder builder(context);
- llvm::SmallVector<mlir::func::FuncOp> newFuncs;
-
- for (auto functionOp :
- llvm::make_early_inc_range(moduleOp.getOps<mlir::func::FuncOp>())) {
- bool outlined = outlineTargetOps(builder, functionOp, moduleOp, newFuncs);
- if (outlined)
- functionOp.erase();
- }
-
- for (auto newFunc : newFuncs)
- moduleOp.push_back(newFunc);
- }
-};
-
-} // namespace
-
-namespace fir {
-std::unique_ptr<mlir::OperationPass<mlir::ModuleOp>>
-createOMPEarlyOutliningPass() {
- return std::make_unique<OMPEarlyOutliningPass>();
-}
-} // namespace fir
diff --git a/flang/test/Lower/OpenMP/FIR/function-filtering-2.f90 b/flang/test/Lower/OpenMP/FIR/function-filtering-2.f90
index 8065467504dd27d..68d970d94353643 100644
--- a/flang/test/Lower/OpenMP/FIR/function-filtering-2.f90
+++ b/flang/test/Lower/OpenMP/FIR/function-filtering-2.f90
@@ -26,9 +26,7 @@ subroutine no_declaretarget()
end subroutine no_declaretarget
! MLIR-HOST: func.func @{{.*}}main(
-! MLIR-HOST-NOT: func.func @{{.*}}main_omp_outline{{.*}}()
! MLIR-DEVICE-NOT: func.func @{{.*}}main(
-! MLIR-DEVICE: func.func @{{.*}}main_omp_outline{{.*}}() attributes {omp.declare_target = #omp.declaretarget<device_type = (host), capture_clause = (to)>, omp.outline_parent_name = "_QQmain"}
! MLIR-ALL: return
! LLVM-HOST: define {{.*}} @{{.*}}main{{.*}}(
diff --git a/flang/test/Lower/OpenMP/FIR/function-filtering.f90 b/flang/test/Lower/OpenMP/FIR/function-filtering.f90
index c0ca351b9b335f0..352f88fc8f32fda 100644
--- a/flang/test/Lower/OpenMP/FIR/function-filtering.f90
+++ b/flang/test/Lower/OpenMP/FIR/function-filtering.f90
@@ -34,14 +34,9 @@ end function host_fn
! MLIR-HOST: func.func @{{.*}}target_subr(
! MLIR-HOST: return
-! MLIR-HOST-NOT: func.func @{{.*}}target_subr_omp_outline_0(
-! MLIR-DEVICE-NOT: func.func @{{.*}}target_subr(
-! MLIR-DEVICE: func.func @{{.*}}target_subr_omp_outline_0(
! MLIR-DEVICE: return
-! LLVM-ALL-NOT: define {{.*}} @{{.*}}target_subr_omp_outline_0{{.*}}(
! LLVM-HOST: define {{.*}} @{{.*}}target_subr{{.*}}(
-! LLVM-DEVICE-NOT: {{.*}} @{{.*}}target_subr{{.*}}(
! LLVM-ALL: define {{.*}} @__omp_offloading_{{.*}}_{{.*}}_target_subr__{{.*}}(
subroutine target_subr(x)
integer, intent(out) :: x
diff --git a/flang/test/Lower/OpenMP/FIR/omp-target-early-outlining.f90 b/flang/test/Lower/OpenMP/FIR/omp-target-early-outlining.f90
deleted file mode 100644
index eac19f889f433cd..000000000000000
--- a/flang/test/Lower/OpenMP/FIR/omp-target-early-outlining.f90
+++ /dev/null
@@ -1,89 +0,0 @@
-!REQUIRES: amdgpu-registered-target
-
-!RUN: %flang_fc1 -triple amdgcn-amd-amdhsa -emit-fir -fopenmp -fopenmp-is-target-device %s -o - | FileCheck %s
-!RUN: %flang_fc1 -triple x86_64-unknown-linux-gnu -emit-fir -fopenmp -fopenmp-is-target-device %s -o - | FileCheck %s
-!RUN: bbc -emit-fir -fopenmp -fopenmp-is-target-device %s -o - | FileCheck %s
-!RUN: bbc -emit-fir -fopenmp -fopenmp-is-gpu -fopenmp-is-target-device %s -o - | FileCheck %s
-
-!CHECK: func.func @_QPtarget_function
-
-!CHECK: func.func @_QPwrite_index_omp_outline_0(%[[ARG0:.*]]: !fir.ref<i32>) attributes {omp.declare_target = #omp.declaretarget<device_type = (host), capture_clause = (to)>, omp.outline_parent_name = "_QPwrite_index"} {
-!CHECK-NEXT: %[[map_info0:.*]] = omp.map_info var_ptr(%[[ARG0]]{{.*}}
-!CHECK-NEXT: omp.target map_entries(%[[map_info0]]{{.*}} {
-!CHECK: %[[CONSTANT_VALUE_10:.*]] = arith.constant 10 : i32
-!CHECK: fir.store %[[CONSTANT_VALUE_10]] to %[[ARG0]] : !fir.ref<i32>
-!CHECK: omp.terminator
-!CHECK-NEXT: }
-!CHECK-NEXT: return
-
-!CHECK: func.func @_QPwrite_index_omp_outline_1(%[[ARG1:.*]]: !fir.ref<i32>) attributes {omp.declare_target = #omp.declaretarget<device_type = (host), capture_clause = (to)>, omp.outline_parent_name = "_QPwrite_index"} {
-!CHECK-NEXT: %[[map_info1:.*]] = omp.map_info var_ptr(%[[ARG1]]{{.*}}
-!CHECK-NEXT: omp.target map_entries(%[[map_info1]]{{.*}} {
-!CHECK: %[[CONSTANT_VALUE_20:.*]] = arith.constant 20 : i32
-!CHECK: fir.store %[[CONSTANT_VALUE_20]] to %[[ARG1]] : !fir.ref<i32>
-!CHECK: omp.terminator
-!CHECK-NEXT: }
-!CHECK-NEXT: return
-
-
-SUBROUTINE WRITE_INDEX(INT_ARRAY)
- INTEGER :: INT_ARRAY(*)
- INTEGER :: NEW_LEN
-!$omp target map(from:new_len)
- NEW_LEN = 10
-!$omp end target
-!$omp target map(from:new_len)
- NEW_LEN = 20
-!$omp end target
- do INDEX_ = 1, NEW_LEN
- INT_ARRAY(INDEX_) = INDEX_
- end do
-end subroutine WRITE_INDEX
-
-SUBROUTINE TARGET_FUNCTION()
-!$omp declare target
-END
-
-!CHECK: func.func @_QParray_bounds_omp_outline_0(%[[ARG0:.*]]: !fir.ref<i32>, %[[ARG1:.*]]: !fir.ref<!fir.array<10xi32>>) attributes {omp.declare_target = #omp.declaretarget<device_type = (host), capture_clause = (to)>, omp.outline_parent_name = "_QParray_bounds"} {
-!CHECK: %[[C1:.*]] = arith.constant 1 : index
-!CHECK: %[[C4:.*]] = arith.constant 4 : index
-!CHECK: %[[C1_0:.*]] = arith.constant 1 : index
-!CHECK: %[[C1_1:.*]] = arith.constant 1 : index
-!CHECK: %[[BOUNDS:.*]] = omp.bounds lower_bound(%[[C1]] : index) upper_bound(%[[C4]] : index) stride(%[[C1_1]] : index) start_idx(%[[C1_1]] : index)
-!CHECK: %[[ENTRY:.*]] = omp.map_info var_ptr(%[[ARG1]] : !fir.ref<!fir.array<10xi32>>) map_clauses(tofrom) capture(ByRef) bounds(%[[BOUNDS]]) -> !fir.ref<!fir.array<10xi32>> {name = "sp_write(2:5)"}
-!CHECK: omp.target map_entries(%[[ENTRY]] : !fir.ref<!fir.array<10xi32>>) {
-!CHECK: %c2_i32 = arith.constant 2 : i32
-!CHECK: %2 = fir.convert %c2_i32 : (i32) -> index
-!CHECK: %c5_i32 = arith.constant 5 : i32
-!CHECK: %3 = fir.convert %c5_i32 : (i32) -> index
-!CHECK: %c1_2 = arith.constant 1 : index
-!CHECK: %4 = fir.convert %2 : (index) -> i32
-!CHECK: %5:2 = fir.do_loop %arg2 = %2 to %3 step %c1_2 iter_args(%arg3 = %4) -> (index, i32) {
-!CHECK: fir.store %arg3 to %[[ARG0]] : !fir.ref<i32>
-!CHECK: %6 = fir.load %[[ARG0]] : !fir.ref<i32>
-!CHECK: %7 = fir.load %[[ARG0]] : !fir.ref<i32>
-!CHECK: %8 = fir.convert %7 : (i32) -> i64
-!CHECK: %c1_i64 = arith.constant 1 : i64
-!CHECK: %9 = arith.subi %8, %c1_i64 : i64
-!CHECK: %10 = fir.coordinate_of %[[ARG1]], %9 : (!fir.ref<!fir.array<10xi32>>, i64) -> !fir.ref<i32>
-!CHECK: fir.store %6 to %10 : !fir.ref<i32>
-!CHECK: %11 = arith.addi %arg2, %c1_2 : index
-!CHECK: %12 = fir.convert %c1_2 : (index) -> i32
-!CHECK: %13 = fir.load %[[ARG0]] : !fir.ref<i32>
-!CHECK: %14 = arith.addi %13, %12 : i32
-!CHECK: fir.result %11, %14 : index, i32
-!CHECK: }
-!CHECK: fir.store %5#1 to %[[ARG0]] : !fir.ref<i32>
-!CHECK: omp.terminator
-!CHECK: }
-!CHECK:return
-!CHECK:}
-
-SUBROUTINE ARRAY_BOUNDS()
- INTEGER :: sp_write(10) = (/0,0,0,0,0,0,0,0,0,0/)
-!$omp target map(tofrom:sp_write(2:5))
- do i = 2, 5
- sp_write(i) = i
- end do
-!$omp end target
-end subroutine ARRAY_BOUNDS
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