forked from OSchip/llvm-project
[OpenMP] Code generation for target enter data directive
Summary: This patch adds support for the target enter data directive code generation. Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev Subscribers: cfe-commits, fraggamuffin, caomhin Differential Revision: http://reviews.llvm.org/D17368 llvm-svn: 267812
This commit is contained in:
Samuel Antao
parent
df158d5567
commit
bd0ae2e14c
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@ -5839,3 +5839,67 @@ void CGOpenMPRuntime::emitTargetDataCalls(CodeGenFunction &CGF,
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EndThenRCG(CGF);
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}
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}
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void CGOpenMPRuntime::emitTargetEnterDataCall(CodeGenFunction &CGF,
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const OMPExecutableDirective &D,
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const Expr *IfCond,
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const Expr *Device) {
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if (!CGF.HaveInsertPoint())
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return;
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// Generate the code for the opening of the data environment.
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auto &&ThenGen = [&D, &CGF, Device](CodeGenFunction &CGF, PrePostActionTy &) {
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// Fill up the arrays with all the mapped variables.
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MappableExprsHandler::MapValuesArrayTy BasePointers;
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MappableExprsHandler::MapValuesArrayTy Pointers;
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MappableExprsHandler::MapValuesArrayTy Sizes;
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MappableExprsHandler::MapFlagsArrayTy MapTypes;
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// Get map clause information.
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MappableExprsHandler MCHandler(D, CGF);
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MCHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes);
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llvm::Value *BasePointersArrayArg = nullptr;
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llvm::Value *PointersArrayArg = nullptr;
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llvm::Value *SizesArrayArg = nullptr;
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llvm::Value *MapTypesArrayArg = nullptr;
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// Fill up the arrays and create the arguments.
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emitOffloadingArrays(CGF, BasePointersArrayArg, PointersArrayArg,
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SizesArrayArg, MapTypesArrayArg, BasePointers,
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Pointers, Sizes, MapTypes);
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emitOffloadingArraysArgument(
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CGF, BasePointersArrayArg, PointersArrayArg, SizesArrayArg,
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MapTypesArrayArg, BasePointersArrayArg, PointersArrayArg, SizesArrayArg,
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MapTypesArrayArg, BasePointers.size());
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// Emit device ID if any.
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llvm::Value *DeviceID = nullptr;
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if (Device)
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DeviceID = CGF.Builder.CreateIntCast(CGF.EmitScalarExpr(Device),
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CGF.Int32Ty, /*isSigned=*/true);
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else
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DeviceID = CGF.Builder.getInt32(OMP_DEVICEID_UNDEF);
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// Emit the number of elements in the offloading arrays.
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auto *PointerNum = CGF.Builder.getInt32(BasePointers.size());
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llvm::Value *OffloadingArgs[] = {
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DeviceID, PointerNum, BasePointersArrayArg,
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PointersArrayArg, SizesArrayArg, MapTypesArrayArg};
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auto &RT = CGF.CGM.getOpenMPRuntime();
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CGF.EmitRuntimeCall(RT.createRuntimeFunction(OMPRTL__tgt_target_data_begin),
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OffloadingArgs);
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};
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// In the event we get an if clause, we don't have to take any action on the
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// else side.
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auto &&ElseGen = [](CodeGenFunction &CGF, PrePostActionTy &) {};
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if (IfCond) {
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emitOMPIfClause(CGF, IfCond, ThenGen, ElseGen);
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} else {
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RegionCodeGenTy ThenGenRCG(ThenGen);
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ThenGenRCG(CGF);
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}
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}
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@ -1051,6 +1051,16 @@ public:
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const OMPExecutableDirective &D,
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const Expr *IfCond, const Expr *Device,
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const RegionCodeGenTy &CodeGen);
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/// \brief Emit the target data mapping code associated with \a D.
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/// \param D Directive to emit.
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/// \param IfCond Expression evaluated in if clause associated with the target
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/// directive, or null if no if clause is used.
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/// \param Device Expression evaluated in device clause associated with the
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/// target directive, or null if no device clause is used.
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virtual void emitTargetEnterDataCall(CodeGenFunction &CGF,
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const OMPExecutableDirective &D,
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const Expr *IfCond, const Expr *Device);
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};
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} // namespace CodeGen
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@ -3272,7 +3272,22 @@ void CodeGenFunction::EmitOMPTargetDataDirective(
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void CodeGenFunction::EmitOMPTargetEnterDataDirective(
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const OMPTargetEnterDataDirective &S) {
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// TODO: codegen for target enter data.
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// If we don't have target devices, don't bother emitting the data mapping
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// code.
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if (CGM.getLangOpts().OMPTargetTriples.empty())
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return;
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// Check if we have any if clause associated with the directive.
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const Expr *IfCond = nullptr;
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if (auto *C = S.getSingleClause<OMPIfClause>())
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IfCond = C->getCondition();
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// Check if we have any device clause associated with the directive.
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const Expr *Device = nullptr;
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if (auto *C = S.getSingleClause<OMPDeviceClause>())
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Device = C->getDevice();
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CGM.getOpenMPRuntime().emitTargetEnterDataCall(*this, S, IfCond, Device);
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}
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void CodeGenFunction::EmitOMPTargetExitDataDirective(
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@ -0,0 +1,221 @@
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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///==========================================================================///
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// RUN: %clang_cc1 -DCK1 -verify -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-64
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// RUN: %clang_cc1 -DCK1 -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-64
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// RUN: %clang_cc1 -DCK1 -verify -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-32
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// RUN: %clang_cc1 -DCK1 -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-32
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#ifdef CK1
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// CK1: [[ST:%.+]] = type { i32, double* }
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template <typename T>
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struct ST {
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T a;
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double *b;
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};
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ST<int> gb;
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double gc[100];
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// CK1: [[SIZE00:@.+]] = {{.+}}constant [1 x i[[sz:64|32]]] [i{{64|32}} 800]
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// CK1: [[MTYPE00:@.+]] = {{.+}}constant [1 x i32] zeroinitializer
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// CK1: [[SIZE02:@.+]] = {{.+}}constant [1 x i[[sz]]] [i[[sz]] 4]
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// CK1: [[MTYPE02:@.+]] = {{.+}}constant [1 x i32] [i32 1]
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// CK1: [[MTYPE03:@.+]] = {{.+}}constant [1 x i32] [i32 5]
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// CK1: [[SIZE04:@.+]] = {{.+}}constant [2 x i[[sz]]] [i[[sz]] {{8|4}}, i[[sz]] 24]
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// CK1: [[MTYPE04:@.+]] = {{.+}}constant [2 x i32] [i32 1, i32 97]
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// CK1-LABEL: _Z3fooi
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void foo(int arg) {
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int la;
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float lb[arg];
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// Region 00
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// CK1-DAG: call void @__tgt_target_data_begin(i32 [[DEV:%[^,]+]], i32 1, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[SIZE00]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[MTYPE00]]{{.+}})
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// CK1-DAG: [[DEV]] = load i32, i32* %{{[^,]+}},
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// CK1-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
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// CK1-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
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// CK1-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: store i8* bitcast ([100 x double]* @gc to i8*), i8** [[BP0]]
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// CK1-DAG: store i8* bitcast ([100 x double]* @gc to i8*), i8** [[P0]]
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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// CK1-NOT: __tgt_target_data_end
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#pragma omp target enter data if(1+3-5) device(arg) map(alloc: gc)
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{++arg;}
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// Region 01
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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#pragma omp target enter data map(to: la) if(1+3-4)
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{++arg;}
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// Region 02
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// CK1: br i1 %{{[^,]+}}, label %[[IFTHEN:[^,]+]], label %[[IFELSE:[^,]+]]
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// CK1: [[IFTHEN]]
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// CK1-DAG: call void @__tgt_target_data_begin(i32 4, i32 1, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[SIZE02]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[MTYPE02]]{{.+}})
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// CK1-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
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// CK1-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
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// CK1-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: store i8* [[CBPVAL0:%[^,]+]], i8** [[BP0]]
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// CK1-DAG: store i8* [[CPVAL0:%[^,]+]], i8** [[P0]]
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// CK1-DAG: [[CBPVAL0]] = bitcast i32* [[VAR0:%.+]] to i8*
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// CK1-DAG: [[CPVAL0]] = bitcast i32* [[VAR0]] to i8*
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// CK1: br label %[[IFEND:[^,]+]]
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// CK1: [[IFELSE]]
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// CK1: br label %[[IFEND]]
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// CK1: [[IFEND]]
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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// CK1-NOT: __tgt_target_data_end
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#pragma omp target enter data map(to: arg) if(arg) device(4)
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{++arg;}
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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{++arg;}
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// Region 03
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// CK1-DAG: call void @__tgt_target_data_begin(i32 -1, i32 1, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], i[[sz]]* [[GEPS:%.+]], {{.+}}getelementptr {{.+}}[1 x i{{.+}}]* [[MTYPE03]]{{.+}})
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// CK1-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
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// CK1-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
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// CK1-DAG: [[GEPS]] = getelementptr inbounds {{.+}}[[S:%[^,]+]]
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// CK1-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: [[S0:%.+]] = getelementptr inbounds {{.+}}[[S]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: store i8* [[CBPVAL0:%[^,]+]], i8** [[BP0]]
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// CK1-DAG: store i8* [[CPVAL0:%[^,]+]], i8** [[P0]]
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// CK1-DAG: store i[[sz]] [[CSVAL0:%[^,]+]], i[[sz]]* [[S0]]
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// CK1-DAG: [[CBPVAL0]] = bitcast float* [[VAR0:%.+]] to i8*
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// CK1-DAG: [[CPVAL0]] = bitcast float* [[VAR0]] to i8*
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// CK1-DAG: [[CSVAL0]] = mul nuw i[[sz]] %{{[^,]+}}, 4
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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// CK1-NOT: __tgt_target_data_end
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#pragma omp target enter data map(always, to: lb)
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{++arg;}
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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{++arg;}
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// Region 04
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// CK1-DAG: call void @__tgt_target_data_begin(i32 -1, i32 2, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], {{.+}}getelementptr {{.+}}[2 x i{{.+}}]* [[SIZE04]], {{.+}}getelementptr {{.+}}[2 x i{{.+}}]* [[MTYPE04]]{{.+}})
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// CK1-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
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// CK1-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
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// CK1-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
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// CK1-DAG: store i8* bitcast ([[ST]]* @gb to i8*), i8** [[BP0]]
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// CK1-DAG: store i8* bitcast (double** getelementptr inbounds ([[ST]], [[ST]]* @gb, i32 0, i32 1) to i8*), i8** [[P0]]
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// CK1-DAG: [[BP1:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 1
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// CK1-DAG: [[P1:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 1
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// CK1-DAG: store i8* bitcast (double** getelementptr inbounds ([[ST]], [[ST]]* @gb, i32 0, i32 1) to i8*), i8** [[BP1]]
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// CK1-DAG: store i8* [[CPVAL1:%[^,]+]], i8** [[P1]]
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// CK1-DAG: [[CPVAL1]] = bitcast double* [[SEC1:%.+]] to i8*
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// CK1-DAG: [[SEC1]] = getelementptr inbounds {{.+}}double* [[SEC11:%[^,]+]], i{{.+}} 0
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// CK1-DAG: [[SEC11]] = load double*, double** getelementptr inbounds ([[ST]], [[ST]]* @gb, i32 0, i32 1),
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// CK1: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
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// CK1-NOT: __tgt_target_data_end
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#pragma omp target enter data map(to: gb.b[:3])
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{++arg;}
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}
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#endif
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///==========================================================================///
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// RUN: %clang_cc1 -DCK2 -verify -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-64
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// RUN: %clang_cc1 -DCK2 -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fomptargets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-64
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// RUN: %clang_cc1 -DCK2 -verify -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-32
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// RUN: %clang_cc1 -DCK2 -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fomptargets=i386-pc-linux-gnu -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-32
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#ifdef CK2
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// CK2: [[ST:%.+]] = type { i32, double* }
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template <typename T>
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struct ST {
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T a;
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double *b;
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T foo(T arg) {
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// Region 00
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#pragma omp target enter data map(always, to: b[1:3]) if(a>123) device(arg)
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{arg++;}
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return arg;
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}
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};
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// CK2: [[SIZE00:@.+]] = {{.+}}constant [2 x i[[sz:64|32]]] [i{{64|32}} {{8|4}}, i{{64|32}} 24]
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// CK2: [[MTYPE00:@.+]] = {{.+}}constant [2 x i32] [i32 5, i32 101]
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// CK2-LABEL: _Z3bari
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int bar(int arg){
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ST<int> A;
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return A.foo(arg);
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}
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// Region 00
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// CK2: br i1 %{{[^,]+}}, label %[[IFTHEN:[^,]+]], label %[[IFELSE:[^,]+]]
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// CK2: [[IFTHEN]]
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// CK2-DAG: call void @__tgt_target_data_begin(i32 [[DEV:%[^,]+]], i32 2, i8** [[GEPBP:%.+]], i8** [[GEPP:%.+]], {{.+}}getelementptr {{.+}}[2 x i{{.+}}]* [[SIZE00]], {{.+}}getelementptr {{.+}}[2 x i{{.+}}]* [[MTYPE00]]{{.+}})
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// CK2-DAG: [[DEV]] = load i32, i32* %{{[^,]+}},
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// CK2-DAG: [[GEPBP]] = getelementptr inbounds {{.+}}[[BP:%[^,]+]]
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// CK2-DAG: [[GEPP]] = getelementptr inbounds {{.+}}[[P:%[^,]+]]
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// CK2-DAG: [[BP0:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 0
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// CK2-DAG: [[P0:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 0
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// CK2-DAG: store i8* [[CBPVAL0:%[^,]+]], i8** [[BP0]]
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// CK2-DAG: store i8* [[CPVAL0:%[^,]+]], i8** [[P0]]
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// CK2-DAG: [[CBPVAL0]] = bitcast [[ST]]* [[VAR0:%.+]] to i8*
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// CK2-DAG: [[CPVAL0]] = bitcast double** [[SEC0:%[^,]+]] to i8*
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// CK2-DAG: [[SEC0]] = getelementptr inbounds {{.*}}[[ST]]* [[VAR0]], i32 0, i32 1
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// CK2-DAG: [[BP1:%.+]] = getelementptr inbounds {{.+}}[[BP]], i{{.+}} 0, i{{.+}} 1
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// CK2-DAG: [[P1:%.+]] = getelementptr inbounds {{.+}}[[P]], i{{.+}} 0, i{{.+}} 1
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// CK2-DAG: store i8* [[CBPVAL1:%[^,]+]], i8** [[BP1]]
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// CK2-DAG: store i8* [[CPVAL1:%[^,]+]], i8** [[P1]]
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// CK2-DAG: [[CBPVAL1]] = bitcast double** [[SEC0]] to i8*
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// CK2-DAG: [[CPVAL1]] = bitcast double* [[SEC1:%[^,]+]] to i8*
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// CK2-DAG: [[SEC1]] = getelementptr inbounds {{.*}}double* [[SEC11:%[^,]+]], i{{.+}} 1
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// CK2-DAG: [[SEC11]] = load double*, double** [[SEC111:%[^,]+]],
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// CK2-DAG: [[SEC111]] = getelementptr inbounds {{.*}}[[ST]]* [[VAR0]], i32 0, i32 1
|
||||
|
||||
// CK2: br label %[[IFEND:[^,]+]]
|
||||
|
||||
// CK2: [[IFELSE]]
|
||||
// CK2: br label %[[IFEND]]
|
||||
// CK2: [[IFEND]]
|
||||
// CK2: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
|
||||
// CK2-NOT: __tgt_target_data_end
|
||||
#endif
|
||||
///==========================================================================///
|
||||
// RUN: %clang_cc1 -DCK3 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK3 --check-prefix CK3-64
|
||||
// RUN: %clang_cc1 -DCK3 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
|
||||
// RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK3 --check-prefix CK3-64
|
||||
// RUN: %clang_cc1 -DCK3 -verify -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix CK3 --check-prefix CK3-32
|
||||
// RUN: %clang_cc1 -DCK3 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -emit-pch -o %t %s
|
||||
// RUN: %clang_cc1 -fopenmp -x c++ -triple i386-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK3 --check-prefix CK3-32
|
||||
#ifdef CK3
|
||||
|
||||
// CK3-LABEL: no_target_devices
|
||||
void no_target_devices(int arg) {
|
||||
// CK3-NOT: tgt_target_data_begin
|
||||
// CK3: %{{.+}} = add nsw i32 %{{[^,]+}}, 1
|
||||
// CK3-NOT: tgt_target_data_end
|
||||
// CK3: ret
|
||||
#pragma omp target enter data map(to: arg) if(arg) device(4)
|
||||
{++arg;}
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
Loading…
Reference in New Issue