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[OpenMP] codegen support for masked combined construct masked taskloop simd #121916

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Merged
merged 2 commits into from
Jan 12, 2025
Merged

[OpenMP] codegen support for masked combined construct masked taskloop simd #121916

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7d03bd6
codegen support for masked combined construct masked taskloop simd
Jan 7, 2025
9e7c9bc
Merge branch 'main' into masked_taskloop_simd
chandraghale Jan 12, 2025
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3 changes: 2 additions & 1 deletion clang/lib/CodeGen/CGStmt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -339,7 +339,8 @@ void CodeGenFunction::EmitStmt(const Stmt *S, ArrayRef<const Attr *> Attrs) {
cast<OMPMasterTaskLoopSimdDirective>(*S));
break;
case Stmt::OMPMaskedTaskLoopSimdDirectiveClass:
llvm_unreachable("masked taskloop simd directive not supported yet.");
EmitOMPMaskedTaskLoopSimdDirective(
cast<OMPMaskedTaskLoopSimdDirective>(*S));
break;
case Stmt::OMPParallelMasterTaskLoopDirectiveClass:
EmitOMPParallelMasterTaskLoopDirective(
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12 changes: 12 additions & 0 deletions clang/lib/CodeGen/CGStmtOpenMP.cpp
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Expand Up @@ -7994,6 +7994,18 @@ void CodeGenFunction::EmitOMPMasterTaskLoopSimdDirective(
CGM.getOpenMPRuntime().emitMasterRegion(*this, CodeGen, S.getBeginLoc());
}

void CodeGenFunction::EmitOMPMaskedTaskLoopSimdDirective(
const OMPMaskedTaskLoopSimdDirective &S) {
auto &&CodeGen = [this, &S](CodeGenFunction &CGF, PrePostActionTy &Action) {
Action.Enter(CGF);
EmitOMPTaskLoopBasedDirective(S);
};
auto LPCRegion =
CGOpenMPRuntime::LastprivateConditionalRAII::disable(*this, S);
OMPLexicalScope Scope(*this, S);
CGM.getOpenMPRuntime().emitMaskedRegion(*this, CodeGen, S.getBeginLoc());
}

void CodeGenFunction::EmitOMPParallelMasterTaskLoopDirective(
const OMPParallelMasterTaskLoopDirective &S) {
auto &&CodeGen = [this, &S](CodeGenFunction &CGF, PrePostActionTy &Action) {
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2 changes: 2 additions & 0 deletions clang/lib/CodeGen/CodeGenFunction.h
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Expand Up @@ -3872,6 +3872,8 @@ class CodeGenFunction : public CodeGenTypeCache {
void EmitOMPMasterTaskLoopDirective(const OMPMasterTaskLoopDirective &S);
void
EmitOMPMasterTaskLoopSimdDirective(const OMPMasterTaskLoopSimdDirective &S);
void
EmitOMPMaskedTaskLoopSimdDirective(const OMPMaskedTaskLoopSimdDirective &S);
void EmitOMPParallelMasterTaskLoopDirective(
const OMPParallelMasterTaskLoopDirective &S);
void EmitOMPParallelMaskedTaskLoopDirective(
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49 changes: 49 additions & 0 deletions clang/test/OpenMP/masked_taskloop_simd_codegen.c
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@@ -0,0 +1,49 @@
// 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 masked_taskloop_simd(){
#pragma omp masked taskloop simd
for( int i = 0; i < N; i++)
;

}

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