[Mlir-commits] [llvm] [mlir] [flang][OpenMP] Support `target enter|update|exit .. nowait` (PR #113305)
Kareem Ergawy
llvmlistbot at llvm.org
Tue Oct 22 05:16:17 PDT 2024
https://github.com/ergawy created https://github.com/llvm/llvm-project/pull/113305
Extends `nowait` support for other device directives. This PR refactors the task generation utils used for the `target` directive so that they are general enough to be reused for other device directives as well.
>From acd617af0c8c80d9bc51ca015ef3b9b1d3cf73b6 Mon Sep 17 00:00:00 2001
From: ergawy <kareem.ergawy at amd.com>
Date: Tue, 22 Oct 2024 02:02:58 -0500
Subject: [PATCH] [flang][OpenMP] Support `target enter|update|exit .. nowait`
Extends `nowait` support for other device directives. This PR refactors
the task generation utils used for the `target` directive so that they
are general enough to be reused for other device directives as well.
---
.../llvm/Frontend/OpenMP/OMPIRBuilder.h | 39 +++--
llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp | 135 +++++++++++-------
.../OpenMP/OpenMPToLLVMIRTranslation.cpp | 34 +++--
.../omptarget-nowait-unsupported-llvm.mlir | 39 -----
.../LLVMIR/omptargetdata-nowait-llvm.mlir | 110 ++++++++++++++
5 files changed, 244 insertions(+), 113 deletions(-)
delete mode 100644 mlir/test/Target/LLVMIR/omptarget-nowait-unsupported-llvm.mlir
create mode 100644 mlir/test/Target/LLVMIR/omptargetdata-nowait-llvm.mlir
diff --git a/llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h b/llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h
index 8834c3b1f50115..d71712a677078c 100644
--- a/llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h
+++ b/llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h
@@ -2264,6 +2264,9 @@ class OpenMPIRBuilder {
bool EmitDebug = false;
+ /// Whether the `target ... data` directive has a `nowait` clause.
+ bool HasNoWait = false;
+
explicit TargetDataInfo() {}
explicit TargetDataInfo(bool RequiresDevicePointerInfo,
bool SeparateBeginEndCalls)
@@ -2342,7 +2345,6 @@ class OpenMPIRBuilder {
/// Generate a target region entry call and host fallback call.
///
/// \param Loc The location at which the request originated and is fulfilled.
- /// \param OutlinedFn The outlined kernel function.
/// \param OutlinedFnID The ooulined function ID.
/// \param EmitTargetCallFallbackCB Call back function to generate host
/// fallback code.
@@ -2350,18 +2352,27 @@ class OpenMPIRBuilder {
/// \param DeviceID Identifier for the device via the 'device' clause.
/// \param RTLoc Source location identifier
/// \param AllocaIP The insertion point to be used for alloca instructions.
- InsertPointTy emitKernelLaunch(
- const LocationDescription &Loc, Function *OutlinedFn, Value *OutlinedFnID,
- EmitFallbackCallbackTy EmitTargetCallFallbackCB, TargetKernelArgs &Args,
- Value *DeviceID, Value *RTLoc, InsertPointTy AllocaIP);
+ InsertPointTy
+ emitKernelLaunch(const LocationDescription &Loc, Value *OutlinedFnID,
+ EmitFallbackCallbackTy EmitTargetCallFallbackCB,
+ TargetKernelArgs &Args, Value *DeviceID, Value *RTLoc,
+ InsertPointTy AllocaIP);
+
+ /// Callback type for generating the bodies of device directives that require
+ /// outer tasks (e.g. in case of having `nowait` or `depend` clauses).
+ ///
+ /// \param DeviceID The ID of the device on which the target region will
+ /// execute.
+ /// \param RTLoc Source location identifier
+ /// \Param TargetTaskAllocaIP Insertion point for the alloca block of the
+ /// generated task.
+ using TaskBodyCallbackTy =
+ function_ref<void(Value *DeviceID, Value *RTLoc,
+ IRBuilderBase::InsertPoint TargetTaskAllocaIP)>;
/// Generate a target-task for the target construct
///
- /// \param OutlinedFn The outlined device/target kernel function.
- /// \param OutlinedFnID The ooulined function ID.
- /// \param EmitTargetCallFallbackCB Call back function to generate host
- /// fallback code.
- /// \param Args Data structure holding information about the kernel arguments.
+ /// \param TaskBodyCB Callback to generate the actual body of the target task.
/// \param DeviceID Identifier for the device via the 'device' clause.
/// \param RTLoc Source location identifier
/// \param AllocaIP The insertion point to be used for alloca instructions.
@@ -2370,10 +2381,10 @@ class OpenMPIRBuilder {
/// \param HasNoWait True if the target construct had 'nowait' on it, false
/// otherwise
InsertPointTy emitTargetTask(
- Function *OutlinedFn, Value *OutlinedFnID,
- EmitFallbackCallbackTy EmitTargetCallFallbackCB, TargetKernelArgs &Args,
- Value *DeviceID, Value *RTLoc, InsertPointTy AllocaIP,
- SmallVector<OpenMPIRBuilder::DependData> &Dependencies, bool HasNoWait);
+ TaskBodyCallbackTy TaskBodyCB, Value *DeviceID, Value *RTLoc,
+ OpenMPIRBuilder::InsertPointTy AllocaIP,
+ const SmallVector<llvm::OpenMPIRBuilder::DependData> &Dependencies,
+ bool HasNoWait);
/// Emit the arguments to be passed to the runtime library based on the
/// arrays of base pointers, pointers, sizes, map types, and mappers. If
diff --git a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
index 172812a3802d33..809ba3aad2982e 100644
--- a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
@@ -1080,8 +1080,8 @@ OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::emitTargetKernel(
}
OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::emitKernelLaunch(
- const LocationDescription &Loc, Function *OutlinedFn, Value *OutlinedFnID,
- EmitFallbackCallbackTy emitTargetCallFallbackCB, TargetKernelArgs &Args,
+ const LocationDescription &Loc, Value *OutlinedFnID,
+ EmitFallbackCallbackTy EmitTargetCallFallbackCB, TargetKernelArgs &Args,
Value *DeviceID, Value *RTLoc, InsertPointTy AllocaIP) {
if (!updateToLocation(Loc))
@@ -1134,7 +1134,7 @@ OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::emitKernelLaunch(
auto CurFn = Builder.GetInsertBlock()->getParent();
emitBlock(OffloadFailedBlock, CurFn);
- Builder.restoreIP(emitTargetCallFallbackCB(Builder.saveIP()));
+ Builder.restoreIP(EmitTargetCallFallbackCB(Builder.saveIP()));
emitBranch(OffloadContBlock);
emitBlock(OffloadContBlock, CurFn, /*IsFinished=*/true);
return Builder.saveIP();
@@ -1736,7 +1736,7 @@ void OpenMPIRBuilder::createTaskyield(const LocationDescription &Loc) {
// - All code is inserted in the entry block of the current function.
static Value *emitTaskDependencies(
OpenMPIRBuilder &OMPBuilder,
- SmallVectorImpl<OpenMPIRBuilder::DependData> &Dependencies) {
+ const SmallVectorImpl<OpenMPIRBuilder::DependData> &Dependencies) {
// Early return if we have no dependencies to process
if (Dependencies.empty())
return nullptr;
@@ -6386,12 +6386,10 @@ OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::createTargetData(
// closing of the region.
auto BeginThenGen = [&](InsertPointTy AllocaIP, InsertPointTy CodeGenIP) {
MapInfo = &GenMapInfoCB(Builder.saveIP());
- emitOffloadingArrays(AllocaIP, Builder.saveIP(), *MapInfo, Info,
- /*IsNonContiguous=*/true, DeviceAddrCB,
- CustomMapperCB);
-
TargetDataRTArgs RTArgs;
- emitOffloadingArraysArgument(Builder, RTArgs, Info);
+ emitOffloadingArraysAndArgs(AllocaIP, Builder.saveIP(), Info, RTArgs,
+ *MapInfo, /*IsNonContiguous=*/true,
+ /*ForEndCall=*/false);
// Emit the number of elements in the offloading arrays.
Value *PointerNum = Builder.getInt32(Info.NumberOfPtrs);
@@ -6403,16 +6401,45 @@ OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::createTargetData(
SrcLocInfo = getOrCreateIdent(SrcLocStr, SrcLocStrSize);
}
- Value *OffloadingArgs[] = {SrcLocInfo, DeviceID,
- PointerNum, RTArgs.BasePointersArray,
- RTArgs.PointersArray, RTArgs.SizesArray,
- RTArgs.MapTypesArray, RTArgs.MapNamesArray,
- RTArgs.MappersArray};
+ SmallVector<llvm::Value *, 13> OffloadingArgs = {
+ SrcLocInfo, DeviceID,
+ PointerNum, RTArgs.BasePointersArray,
+ RTArgs.PointersArray, RTArgs.SizesArray,
+ RTArgs.MapTypesArray, RTArgs.MapNamesArray,
+ RTArgs.MappersArray};
if (IsStandAlone) {
assert(MapperFunc && "MapperFunc missing for standalone target data");
- Builder.CreateCall(getOrCreateRuntimeFunctionPtr(*MapperFunc),
- OffloadingArgs);
+
+ auto TaskBodyCB = [&](Value *, Value *, IRBuilderBase::InsertPoint) {
+ if (Info.HasNoWait) {
+ OffloadingArgs.push_back(llvm::Constant::getNullValue(Int32));
+ OffloadingArgs.push_back(llvm::Constant::getNullValue(VoidPtr));
+ OffloadingArgs.push_back(llvm::Constant::getNullValue(Int32));
+ OffloadingArgs.push_back(llvm::Constant::getNullValue(VoidPtr));
+ }
+
+ Builder.CreateCall(getOrCreateRuntimeFunctionPtr(*MapperFunc),
+ OffloadingArgs);
+
+ if (Info.HasNoWait) {
+ BasicBlock *OffloadContBlock =
+ BasicBlock::Create(Builder.getContext(), "omp_offload.cont");
+ auto *CurFn = Builder.GetInsertBlock()->getParent();
+ emitBranch(OffloadContBlock);
+ emitBlock(OffloadContBlock, CurFn, /*IsFinished=*/true);
+ Builder.restoreIP(Builder.saveIP());
+ }
+ };
+
+ bool RequiresOuterTargetTask = Info.HasNoWait;
+
+ if (!RequiresOuterTargetTask)
+ TaskBodyCB(/*DeviceID=*/nullptr, /*RTLoc=*/nullptr,
+ /*TargetTaskAllocaIP=*/{});
+ else
+ emitTargetTask(TaskBodyCB, DeviceID, SrcLocInfo, AllocaIP,
+ /*Dependencies=*/{}, Info.HasNoWait);
} else {
Function *BeginMapperFunc = getOrCreateRuntimeFunctionPtr(
omp::OMPRTL___tgt_target_data_begin_mapper);
@@ -6836,13 +6863,18 @@ static void emitTargetOutlinedFunction(
OMPBuilder.emitTargetRegionFunction(EntryInfo, GenerateOutlinedFunction,
IsOffloadEntry, OutlinedFn, OutlinedFnID);
}
+
OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::emitTargetTask(
- Function *OutlinedFn, Value *OutlinedFnID,
- EmitFallbackCallbackTy EmitTargetCallFallbackCB, TargetKernelArgs &Args,
- Value *DeviceID, Value *RTLoc, OpenMPIRBuilder::InsertPointTy AllocaIP,
- SmallVector<llvm::OpenMPIRBuilder::DependData> &Dependencies,
+ TaskBodyCallbackTy TaskBodyCB, Value *DeviceID, Value *RTLoc,
+ OpenMPIRBuilder::InsertPointTy AllocaIP,
+ const SmallVector<llvm::OpenMPIRBuilder::DependData> &Dependencies,
bool HasNoWait) {
+ // The following explains the code-gen scenario for the `target` directive. A
+ // similar scneario is followed for other device-related directives (e.g.
+ // `target enter data`) but in similar fashion since we only need to emit task
+ // that encapsulates the proper runtime call.
+ //
// When we arrive at this function, the target region itself has been
// outlined into the function OutlinedFn.
// So at ths point, for
@@ -6950,22 +6982,7 @@ OpenMPIRBuilder::InsertPointTy OpenMPIRBuilder::emitTargetTask(
Builder.restoreIP(TargetTaskBodyIP);
- if (OutlinedFnID) {
- // emitKernelLaunch makes the necessary runtime call to offload the kernel.
- // We then outline all that code into a separate function
- // ('kernel_launch_function' in the pseudo code above). This function is
- // then called by the target task proxy function (see
- // '@.omp_target_task_proxy_func' in the pseudo code above)
- // "@.omp_target_task_proxy_func' is generated by
- // emitTargetTaskProxyFunction.
- Builder.restoreIP(emitKernelLaunch(Builder, OutlinedFn, OutlinedFnID,
- EmitTargetCallFallbackCB, Args, DeviceID,
- RTLoc, TargetTaskAllocaIP));
- } else {
- // When OutlinedFnID is set to nullptr, then it's not an offloading call. In
- // this case, we execute the host implementation directly.
- Builder.restoreIP(EmitTargetCallFallbackCB(Builder.saveIP()));
- }
+ TaskBodyCB(DeviceID, RTLoc, TargetTaskAllocaIP);
OI.ExitBB = Builder.saveIP().getBlock();
OI.PostOutlineCB = [this, ToBeDeleted, Dependencies, HasNoWait,
@@ -7153,6 +7170,29 @@ emitTargetCall(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder,
bool HasDependencies = Dependencies.size() > 0;
bool RequiresOuterTargetTask = HasNoWait || HasDependencies;
+ OpenMPIRBuilder::TargetKernelArgs KArgs;
+
+ auto TaskBodyCB = [&](Value *DeviceID, Value *RTLoc,
+ IRBuilderBase::InsertPoint TargetTaskAllocaIP) {
+ if (OutlinedFnID) {
+ // emitKernelLaunch makes the necessary runtime call to offload the
+ // kernel. We then outline all that code into a separate function
+ // ('kernel_launch_function' in the pseudo code above). This function is
+ // then called by the target task proxy function (see
+ // '@.omp_target_task_proxy_func' in the pseudo code above)
+ // "@.omp_target_task_proxy_func' is generated by
+ // emitTargetTaskProxyFunction.
+ Builder.restoreIP(OMPBuilder.emitKernelLaunch(
+ Builder, OutlinedFnID, EmitTargetCallFallbackCB, KArgs, DeviceID,
+ RTLoc, TargetTaskAllocaIP));
+ } else {
+ // When OutlinedFnID is set to nullptr, then it's not an offloading
+ // call. In this case, we execute the host implementation directly.
+ OMPBuilder.Builder.restoreIP(
+ EmitTargetCallFallbackCB(OMPBuilder.Builder.saveIP()));
+ }
+ };
+
// If we don't have an ID for the target region, it means an offload entry
// wasn't created. In this case we just run the host fallback directly.
if (!OutlinedFnID) {
@@ -7160,14 +7200,14 @@ emitTargetCall(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder,
// Arguments that are intended to be directly forwarded to an
// emitKernelLaunch call are pased as nullptr, since OutlinedFnID=nullptr
// results in that call not being done.
- OpenMPIRBuilder::TargetKernelArgs KArgs;
- Builder.restoreIP(OMPBuilder.emitTargetTask(
- OutlinedFn, /*OutlinedFnID=*/nullptr, EmitTargetCallFallbackCB, KArgs,
- /*DeviceID=*/nullptr, /*RTLoc=*/nullptr, AllocaIP, Dependencies,
- HasNoWait));
+ Builder.restoreIP(OMPBuilder.emitTargetTask(TaskBodyCB,
+ /*DeviceID=*/nullptr,
+ /*RTLoc=*/nullptr, AllocaIP,
+ Dependencies, HasNoWait));
} else {
Builder.restoreIP(EmitTargetCallFallbackCB(Builder.saveIP()));
}
+
return;
}
@@ -7201,20 +7241,19 @@ emitTargetCall(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder,
// TODO: Use correct DynCGGroupMem
Value *DynCGGroupMem = Builder.getInt32(0);
- OpenMPIRBuilder::TargetKernelArgs KArgs(NumTargetItems, RTArgs, NumIterations,
- NumTeamsC, NumThreadsC, DynCGGroupMem,
- HasNoWait);
+ KArgs = OpenMPIRBuilder::TargetKernelArgs(
+ NumTargetItems, RTArgs, NumIterations, NumTeamsC, NumThreadsC,
+ DynCGGroupMem, HasNoWait);
// The presence of certain clauses on the target directive require the
// explicit generation of the target task.
if (RequiresOuterTargetTask) {
Builder.restoreIP(OMPBuilder.emitTargetTask(
- OutlinedFn, OutlinedFnID, EmitTargetCallFallbackCB, KArgs, DeviceID,
- RTLoc, AllocaIP, Dependencies, HasNoWait));
+ TaskBodyCB, DeviceID, RTLoc, AllocaIP, Dependencies, HasNoWait));
} else {
Builder.restoreIP(OMPBuilder.emitKernelLaunch(
- Builder, OutlinedFn, OutlinedFnID, EmitTargetCallFallbackCB, KArgs,
- DeviceID, RTLoc, AllocaIP));
+ Builder, OutlinedFnID, EmitTargetCallFallbackCB, KArgs, DeviceID, RTLoc,
+ AllocaIP));
}
}
diff --git a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
index 7c45e89cd8ac4b..27cd38dc3c62d9 100644
--- a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
@@ -2886,6 +2886,8 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
DataLayout DL = DataLayout(op->getParentOfType<ModuleOp>());
llvm::OpenMPIRBuilder *ompBuilder = moduleTranslation.getOpenMPBuilder();
+ llvm::OpenMPIRBuilder::TargetDataInfo info(/*RequiresDevicePointerInfo=*/true,
+ /*SeparateBeginEndCalls=*/true);
LogicalResult result =
llvm::TypeSwitch<Operation *, LogicalResult>(op)
@@ -2905,9 +2907,9 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
return success();
})
.Case([&](omp::TargetEnterDataOp enterDataOp) {
- if (enterDataOp.getNowait())
+ if (!enterDataOp.getDependVars().empty())
return (LogicalResult)(enterDataOp.emitError(
- "`nowait` is not supported yet"));
+ "`depend` is not supported yet"));
if (auto ifVar = enterDataOp.getIfExpr())
ifCond = moduleTranslation.lookupValue(ifVar);
@@ -2917,14 +2919,18 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
dyn_cast<LLVM::ConstantOp>(devId.getDefiningOp()))
if (auto intAttr = dyn_cast<IntegerAttr>(constOp.getValue()))
deviceID = intAttr.getInt();
- RTLFn = llvm::omp::OMPRTL___tgt_target_data_begin_mapper;
+ RTLFn =
+ enterDataOp.getNowait()
+ ? llvm::omp::OMPRTL___tgt_target_data_begin_nowait_mapper
+ : llvm::omp::OMPRTL___tgt_target_data_begin_mapper;
mapVars = enterDataOp.getMapVars();
+ info.HasNoWait = enterDataOp.getNowait();
return success();
})
.Case([&](omp::TargetExitDataOp exitDataOp) {
- if (exitDataOp.getNowait())
+ if (!exitDataOp.getDependVars().empty())
return (LogicalResult)(exitDataOp.emitError(
- "`nowait` is not supported yet"));
+ "`depend` is not supported yet"));
if (auto ifVar = exitDataOp.getIfExpr())
ifCond = moduleTranslation.lookupValue(ifVar);
@@ -2935,14 +2941,17 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
if (auto intAttr = dyn_cast<IntegerAttr>(constOp.getValue()))
deviceID = intAttr.getInt();
- RTLFn = llvm::omp::OMPRTL___tgt_target_data_end_mapper;
+ RTLFn = exitDataOp.getNowait()
+ ? llvm::omp::OMPRTL___tgt_target_data_end_nowait_mapper
+ : llvm::omp::OMPRTL___tgt_target_data_end_mapper;
mapVars = exitDataOp.getMapVars();
+ info.HasNoWait = exitDataOp.getNowait();
return success();
})
.Case([&](omp::TargetUpdateOp updateDataOp) {
- if (updateDataOp.getNowait())
+ if (!updateDataOp.getDependVars().empty())
return (LogicalResult)(updateDataOp.emitError(
- "`nowait` is not supported yet"));
+ "`depend` is not supported yet"));
if (auto ifVar = updateDataOp.getIfExpr())
ifCond = moduleTranslation.lookupValue(ifVar);
@@ -2953,8 +2962,12 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
if (auto intAttr = dyn_cast<IntegerAttr>(constOp.getValue()))
deviceID = intAttr.getInt();
- RTLFn = llvm::omp::OMPRTL___tgt_target_data_update_mapper;
+ RTLFn =
+ updateDataOp.getNowait()
+ ? llvm::omp::OMPRTL___tgt_target_data_update_nowait_mapper
+ : llvm::omp::OMPRTL___tgt_target_data_update_mapper;
mapVars = updateDataOp.getMapVars();
+ info.HasNoWait = updateDataOp.getNowait();
return success();
})
.Default([&](Operation *op) {
@@ -3005,9 +3018,6 @@ convertOmpTargetData(Operation *op, llvm::IRBuilderBase &builder,
: basePointer);
};
- llvm::OpenMPIRBuilder::TargetDataInfo info(/*RequiresDevicePointerInfo=*/true,
- /*SeparateBeginEndCalls=*/true);
-
using BodyGenTy = llvm::OpenMPIRBuilder::BodyGenTy;
LogicalResult bodyGenStatus = success();
auto bodyGenCB = [&](InsertPointTy codeGenIP, BodyGenTy bodyGenType) {
diff --git a/mlir/test/Target/LLVMIR/omptarget-nowait-unsupported-llvm.mlir b/mlir/test/Target/LLVMIR/omptarget-nowait-unsupported-llvm.mlir
deleted file mode 100644
index 1e2fbe86d13c47..00000000000000
--- a/mlir/test/Target/LLVMIR/omptarget-nowait-unsupported-llvm.mlir
+++ /dev/null
@@ -1,39 +0,0 @@
-// RUN: not mlir-translate -mlir-to-llvmir -split-input-file %s 2>&1 | FileCheck %s
-
-llvm.func @_QPopenmp_target_data_update() {
- %0 = llvm.mlir.constant(1 : i64) : i64
- %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
- %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(to) capture(ByRef) -> !llvm.ptr {name = ""}
-
- // CHECK: error: `nowait` is not supported yet
- omp.target_update map_entries(%2 : !llvm.ptr) nowait
-
- llvm.return
-}
-
-// -----
-
-llvm.func @_QPopenmp_target_data_enter() {
- %0 = llvm.mlir.constant(1 : i64) : i64
- %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
- %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(to) capture(ByRef) -> !llvm.ptr {name = ""}
-
- // CHECK: error: `nowait` is not supported yet
- omp.target_enter_data map_entries(%2 : !llvm.ptr) nowait
-
- llvm.return
-}
-
-
-// -----
-
-llvm.func @_QPopenmp_target_data_exit() {
- %0 = llvm.mlir.constant(1 : i64) : i64
- %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
- %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(from) capture(ByRef) -> !llvm.ptr {name = ""}
-
- // CHECK: error: `nowait` is not supported yet
- omp.target_exit_data map_entries(%2 : !llvm.ptr) nowait
-
- llvm.return
-}
diff --git a/mlir/test/Target/LLVMIR/omptargetdata-nowait-llvm.mlir b/mlir/test/Target/LLVMIR/omptargetdata-nowait-llvm.mlir
new file mode 100644
index 00000000000000..8124d02ef21748
--- /dev/null
+++ b/mlir/test/Target/LLVMIR/omptargetdata-nowait-llvm.mlir
@@ -0,0 +1,110 @@
+// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s 2>&1 | FileCheck %s
+
+llvm.func @_QPopenmp_target_data_enter() {
+ %0 = llvm.mlir.constant(1 : i64) : i64
+ %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
+ %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(to) capture(ByRef) -> !llvm.ptr {name = ""}
+
+ omp.target_enter_data map_entries(%2 : !llvm.ptr) nowait
+
+ llvm.return
+}
+
+// CHECK: define void @_QPopenmp_target_data_enter() {
+
+// CHECK: %[[TASK:.*]] = call ptr @__kmpc_omp_target_task_alloc
+// CHECK-SAME: (ptr @{{.*}}, i32 %{{.*}}, i32 {{.*}}, i64 {{.*}}, i64 {{.*}}, ptr
+// CHECK-SAME: @[[TASK_PROXY_FUNC:.*]], i64 {{.*}})
+
+// CHECK: call i32 @__kmpc_omp_task(ptr {{.*}}, i32 %{{.*}}, ptr %[[TASK]])
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_BODY_FUNC:.*]](i32 %[[TID:.*]], ptr %[[TASK_ARG:.*]]) {
+// CHECK: %[[OFFLOAD_BASE_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 0
+// CHECK: %[[OFFLOAD_BASE_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_BASE_PTRS]], align 8
+// CHECK: %[[OFFLOAD_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 1
+// CHECK: %[[OFFLOAD_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_PTRS]], align 8
+
+// CHECK: call void @__tgt_target_data_begin_nowait_mapper(
+// CHECK-SAME: ptr @{{.*}}, i64 -1, i32 1,
+// CHECK-SAME: ptr %[[OFFLOAD_BASE_PTRS_VAL]], ptr %[[OFFLOAD_PTRS_VAL]],
+// CHECK-SAME: ptr @{{.*}}, ptr @{{.*}}, ptr @{{.*}}, ptr null, i32 0, ptr null, i32 0, ptr null)
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_PROXY_FUNC]](i32 %{{.*}}, ptr %{{.*}}) {
+// CHECK: call void @[[TASK_BODY_FUNC]](i32 %{{.*}}, ptr %{{.*}})
+// CHECK: }
+
+// -----
+
+llvm.func @_QPopenmp_target_data_update() {
+ %0 = llvm.mlir.constant(1 : i64) : i64
+ %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
+ %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(to) capture(ByRef) -> !llvm.ptr {name = ""}
+
+ omp.target_update map_entries(%2 : !llvm.ptr) nowait
+
+ llvm.return
+}
+
+// CHECK: define void @_QPopenmp_target_data_update() {
+
+// CHECK: %[[TASK:.*]] = call ptr @__kmpc_omp_target_task_alloc
+// CHECK-SAME: (ptr @{{.*}}, i32 %{{.*}}, i32 {{.*}}, i64 {{.*}}, i64 {{.*}}, ptr
+// CHECK-SAME: @[[TASK_PROXY_FUNC:.*]], i64 {{.*}})
+
+// CHECK: call i32 @__kmpc_omp_task(ptr {{.*}}, i32 %{{.*}}, ptr %[[TASK]])
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_BODY_FUNC:.*]](i32 %[[TID:.*]], ptr %[[TASK_ARG:.*]]) {
+// CHECK: %[[OFFLOAD_BASE_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 0
+// CHECK: %[[OFFLOAD_BASE_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_BASE_PTRS]], align 8
+// CHECK: %[[OFFLOAD_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 1
+// CHECK: %[[OFFLOAD_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_PTRS]], align 8
+
+// CHECK: call void @__tgt_target_data_update_nowait_mapper(
+// CHECK-SAME: ptr @{{.*}}, i64 -1, i32 1,
+// CHECK-SAME: ptr %[[OFFLOAD_BASE_PTRS_VAL]], ptr %[[OFFLOAD_PTRS_VAL]],
+// CHECK-SAME: ptr @{{.*}}, ptr @{{.*}}, ptr @{{.*}}, ptr null, i32 0, ptr null, i32 0, ptr null)
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_PROXY_FUNC]](i32 %{{.*}}, ptr %{{.*}}) {
+// CHECK: call void @[[TASK_BODY_FUNC]](i32 %{{.*}}, ptr %{{.*}})
+// CHECK: }
+
+// -----
+
+llvm.func @_QPopenmp_target_data_exit() {
+ %0 = llvm.mlir.constant(1 : i64) : i64
+ %1 = llvm.alloca %0 x i32 {bindc_name = "i", in_type = i32, operand_segment_sizes = array<i32: 0, 0>, uniq_name = "_QFopenmp_target_dataEi"} : (i64) -> !llvm.ptr
+ %2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(from) capture(ByRef) -> !llvm.ptr {name = ""}
+
+ omp.target_exit_data map_entries(%2 : !llvm.ptr) nowait
+
+ llvm.return
+}
+
+// CHECK: define void @_QPopenmp_target_data_exit() {
+
+// CHECK: %[[TASK:.*]] = call ptr @__kmpc_omp_target_task_alloc
+// CHECK-SAME: (ptr @{{.*}}, i32 %{{.*}}, i32 {{.*}}, i64 {{.*}}, i64 {{.*}}, ptr
+// CHECK-SAME: @[[TASK_PROXY_FUNC:.*]], i64 {{.*}})
+
+// CHECK: call i32 @__kmpc_omp_task(ptr {{.*}}, i32 %{{.*}}, ptr %[[TASK]])
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_BODY_FUNC:.*]](i32 %[[TID:.*]], ptr %[[TASK_ARG:.*]]) {
+// CHECK: %[[OFFLOAD_BASE_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 0
+// CHECK: %[[OFFLOAD_BASE_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_BASE_PTRS]], align 8
+// CHECK: %[[OFFLOAD_PTRS:.*]] = getelementptr { ptr, ptr }, ptr %[[TASK_ARG]], i32 0, i32 1
+// CHECK: %[[OFFLOAD_PTRS_VAL:.*]] = load ptr, ptr %[[OFFLOAD_PTRS]], align 8
+
+// CHECK: call void @__tgt_target_data_end_nowait_mapper(
+// CHECK-SAME: ptr @{{.*}}, i64 -1, i32 1,
+// CHECK-SAME: ptr %[[OFFLOAD_BASE_PTRS_VAL]], ptr %[[OFFLOAD_PTRS_VAL]],
+// CHECK-SAME: ptr @{{.*}}, ptr @{{.*}}, ptr @{{.*}}, ptr null, i32 0, ptr null, i32 0, ptr null)
+// CHECK: }
+
+// CHECK: define internal void @[[TASK_PROXY_FUNC]](i32 %{{.*}}, ptr %{{.*}}) {
+// CHECK: call void @[[TASK_BODY_FUNC]](i32 %{{.*}}, ptr %{{.*}})
+// CHECK: }
More information about the Mlir-commits
mailing list