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[OpenMP] codegen support for masked combined construct parallel masked taskloop simd. #121746

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Merged
merged 2 commits into from
Jan 14, 2025
Merged

[OpenMP] codegen support for masked combined construct parallel masked taskloop simd. #121746

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81f9c8f
codegen support for masked combined construct parallel masked taskloo…
Jan 6, 2025
ee1e4b4
Merge branch 'main' into parallel_masked_taskloop_simd
chandraghale Jan 13, 2025
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4 changes: 2 additions & 2 deletions clang/lib/CodeGen/CGStmt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -355,8 +355,8 @@ void CodeGenFunction::EmitStmt(const Stmt *S, ArrayRef<const Attr *> Attrs) {
cast<OMPParallelMasterTaskLoopSimdDirective>(*S));
break;
case Stmt::OMPParallelMaskedTaskLoopSimdDirectiveClass:
llvm_unreachable(
"parallel masked taskloop simd directive not supported yet.");
EmitOMPParallelMaskedTaskLoopSimdDirective(
cast<OMPParallelMaskedTaskLoopSimdDirective>(*S));
break;
case Stmt::OMPDistributeDirectiveClass:
EmitOMPDistributeDirective(cast<OMPDistributeDirective>(*S));
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18 changes: 18 additions & 0 deletions clang/lib/CodeGen/CGStmtOpenMP.cpp
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Expand Up @@ -8072,6 +8072,24 @@ void CodeGenFunction::EmitOMPParallelMasterTaskLoopSimdDirective(
emitEmptyBoundParameters);
}

void CodeGenFunction::EmitOMPParallelMaskedTaskLoopSimdDirective(
const OMPParallelMaskedTaskLoopSimdDirective &S) {
auto &&CodeGen = [this, &S](CodeGenFunction &CGF, PrePostActionTy &Action) {
auto &&TaskLoopCodeGen = [&S](CodeGenFunction &CGF,
PrePostActionTy &Action) {
Action.Enter(CGF);
CGF.EmitOMPTaskLoopBasedDirective(S);
};
OMPLexicalScope Scope(CGF, S, OMPD_parallel, /*EmitPreInitStmt=*/false);
CGM.getOpenMPRuntime().emitMaskedRegion(CGF, TaskLoopCodeGen,
S.getBeginLoc());
};
auto LPCRegion =
CGOpenMPRuntime::LastprivateConditionalRAII::disable(*this, S);
emitCommonOMPParallelDirective(*this, S, OMPD_masked_taskloop_simd, CodeGen,
emitEmptyBoundParameters);
}

// Generate the instructions for '#pragma omp target update' directive.
void CodeGenFunction::EmitOMPTargetUpdateDirective(
const OMPTargetUpdateDirective &S) {
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2 changes: 2 additions & 0 deletions clang/lib/CodeGen/CodeGenFunction.h
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Expand Up @@ -3881,6 +3881,8 @@ class CodeGenFunction : public CodeGenTypeCache {
const OMPParallelMaskedTaskLoopDirective &S);
void EmitOMPParallelMasterTaskLoopSimdDirective(
const OMPParallelMasterTaskLoopSimdDirective &S);
void EmitOMPParallelMaskedTaskLoopSimdDirective(
const OMPParallelMaskedTaskLoopSimdDirective &S);
void EmitOMPDistributeDirective(const OMPDistributeDirective &S);
void EmitOMPDistributeParallelForDirective(
const OMPDistributeParallelForDirective &S);
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62 changes: 62 additions & 0 deletions clang/test/OpenMP/parallel_masked_taskloop_simd_codegen.c
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@@ -0,0 +1,62 @@
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --include-generated-funcs --prefix-filecheck-ir-name _ --version 5
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -fopenmp-version=52 -x c -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
#define N 100
void parallel_masked_taskloop_simd(){
#pragma omp parallel masked taskloop simd
for( int i = 0; i < N; i++)
;

}

int main()
{
parallel_masked_taskloop_simd();
}
// CHECK-LABEL: define dso_local void @parallel_masked_taskloop_simd(
// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB1:[0-9]+]], i32 0, ptr @parallel_masked_taskloop_simd.omp_outlined)
// CHECK-NEXT: ret void
//
//
// CHECK-LABEL: define internal void @parallel_masked_taskloop_simd.omp_outlined(
// CHECK-SAME: ptr noalias noundef [[DOTGLOBAL_TID_:%.*]], ptr noalias noundef [[DOTBOUND_TID_:%.*]]) #[[ATTR1:[0-9]+]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[DOTGLOBAL_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[DOTBOUND_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]], align 1
// CHECK-NEXT: [[TMP:%.*]] = alloca i32, align 4
// CHECK-NEXT: store ptr [[DOTGLOBAL_TID_]], ptr [[DOTGLOBAL_TID__ADDR]], align 8
// CHECK-NEXT: store ptr [[DOTBOUND_TID_]], ptr [[DOTBOUND_TID__ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[DOTGLOBAL_TID__ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[TMP0]], align 4
// CHECK-NEXT: [[TMP2:%.*]] = call i32 @__kmpc_masked(ptr @[[GLOB1]], i32 [[TMP1]], i32 0)
// CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP2]], 0
// CHECK-NEXT: br i1 [[TMP3]], label %[[OMP_IF_THEN:.*]], label %[[OMP_IF_END:.*]]
// CHECK: [[OMP_IF_THEN]]:
// CHECK-NEXT: call void @__kmpc_taskgroup(ptr @[[GLOB1]], i32 [[TMP1]])
// CHECK-NEXT: [[TMP4:%.*]] = call ptr @__kmpc_omp_task_alloc(ptr @[[GLOB1]], i32 [[TMP1]], i32 1, i64 80, i64 0, ptr @.omp_task_entry.)
// CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds nuw [[STRUCT_KMP_TASK_T_WITH_PRIVATES:%.*]], ptr [[TMP4]], i32 0, i32 0
// CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds nuw [[STRUCT_KMP_TASK_T:%.*]], ptr [[TMP5]], i32 0, i32 5
// CHECK-NEXT: store i64 0, ptr [[TMP6]], align 8
// CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds nuw [[STRUCT_KMP_TASK_T]], ptr [[TMP5]], i32 0, i32 6
// CHECK-NEXT: store i64 99, ptr [[TMP7]], align 8
// CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds nuw [[STRUCT_KMP_TASK_T]], ptr [[TMP5]], i32 0, i32 7
// CHECK-NEXT: store i64 1, ptr [[TMP8]], align 8
// CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds nuw [[STRUCT_KMP_TASK_T]], ptr [[TMP5]], i32 0, i32 9
// CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 8 [[TMP9]], i8 0, i64 8, i1 false)
// CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8
// CHECK-NEXT: call void @__kmpc_taskloop(ptr @[[GLOB1]], i32 [[TMP1]], ptr [[TMP4]], i32 1, ptr [[TMP6]], ptr [[TMP7]], i64 [[TMP10]], i32 1, i32 0, i64 0, ptr null)
// CHECK-NEXT: call void @__kmpc_end_taskgroup(ptr @[[GLOB1]], i32 [[TMP1]])
// CHECK-NEXT: call void @__kmpc_end_masked(ptr @[[GLOB1]], i32 [[TMP1]])
// CHECK-NEXT: br label %[[OMP_IF_END]]
// CHECK: [[OMP_IF_END]]:
// CHECK-NEXT: ret void
//
// CHECK-LABEL: define dso_local i32 @main(
// CHECK-SAME: ) #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: call void @parallel_masked_taskloop_simd()
// CHECK-NEXT: ret i32 0

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