forked from OSchip/llvm-project
Remove some unused static functions in CGOpenMPRuntimeGPU.cpp, NFC
This commit is contained in:
Haojian Wu
parent
3acaf04033
commit
f6e759bd26
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@ -730,181 +730,6 @@ static bool supportsSPMDExecutionMode(ASTContext &Ctx,
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"Unknown programming model for OpenMP directive on NVPTX target.");
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}
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/// Check if the directive is loops based and has schedule clause at all or has
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/// static scheduling.
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static bool hasStaticScheduling(const OMPExecutableDirective &D) {
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assert(isOpenMPWorksharingDirective(D.getDirectiveKind()) &&
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isOpenMPLoopDirective(D.getDirectiveKind()) &&
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"Expected loop-based directive.");
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return !D.hasClausesOfKind<OMPOrderedClause>() &&
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(!D.hasClausesOfKind<OMPScheduleClause>() ||
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llvm::any_of(D.getClausesOfKind<OMPScheduleClause>(),
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[](const OMPScheduleClause *C) {
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return C->getScheduleKind() == OMPC_SCHEDULE_static;
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}));
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}
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/// Check for inner (nested) lightweight runtime construct, if any
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static bool hasNestedLightweightDirective(ASTContext &Ctx,
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const OMPExecutableDirective &D) {
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assert(supportsSPMDExecutionMode(Ctx, D) && "Expected SPMD mode directive.");
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const auto *CS = D.getInnermostCapturedStmt();
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const auto *Body =
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CS->getCapturedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true);
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const Stmt *ChildStmt = CGOpenMPRuntime::getSingleCompoundChild(Ctx, Body);
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if (const auto *NestedDir =
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dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) {
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OpenMPDirectiveKind DKind = NestedDir->getDirectiveKind();
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switch (D.getDirectiveKind()) {
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case OMPD_target:
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if (isOpenMPParallelDirective(DKind) &&
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isOpenMPWorksharingDirective(DKind) && isOpenMPLoopDirective(DKind) &&
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hasStaticScheduling(*NestedDir))
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return true;
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if (DKind == OMPD_teams_distribute_simd || DKind == OMPD_simd)
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return true;
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if (DKind == OMPD_parallel) {
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Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers(
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/*IgnoreCaptured=*/true);
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if (!Body)
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return false;
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ChildStmt = CGOpenMPRuntime::getSingleCompoundChild(Ctx, Body);
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if (const auto *NND =
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dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) {
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DKind = NND->getDirectiveKind();
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if (isOpenMPWorksharingDirective(DKind) &&
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isOpenMPLoopDirective(DKind) && hasStaticScheduling(*NND))
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return true;
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}
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} else if (DKind == OMPD_teams) {
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Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers(
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/*IgnoreCaptured=*/true);
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if (!Body)
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return false;
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ChildStmt = CGOpenMPRuntime::getSingleCompoundChild(Ctx, Body);
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if (const auto *NND =
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dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) {
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DKind = NND->getDirectiveKind();
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if (isOpenMPParallelDirective(DKind) &&
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isOpenMPWorksharingDirective(DKind) &&
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isOpenMPLoopDirective(DKind) && hasStaticScheduling(*NND))
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return true;
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if (DKind == OMPD_parallel) {
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Body = NND->getInnermostCapturedStmt()->IgnoreContainers(
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/*IgnoreCaptured=*/true);
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if (!Body)
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return false;
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ChildStmt = CGOpenMPRuntime::getSingleCompoundChild(Ctx, Body);
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if (const auto *NND =
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dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) {
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DKind = NND->getDirectiveKind();
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if (isOpenMPWorksharingDirective(DKind) &&
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isOpenMPLoopDirective(DKind) && hasStaticScheduling(*NND))
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return true;
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}
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}
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}
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}
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return false;
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case OMPD_target_teams:
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if (isOpenMPParallelDirective(DKind) &&
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isOpenMPWorksharingDirective(DKind) && isOpenMPLoopDirective(DKind) &&
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hasStaticScheduling(*NestedDir))
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return true;
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if (DKind == OMPD_distribute_simd || DKind == OMPD_simd)
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return true;
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if (DKind == OMPD_parallel) {
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Body = NestedDir->getInnermostCapturedStmt()->IgnoreContainers(
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/*IgnoreCaptured=*/true);
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if (!Body)
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return false;
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ChildStmt = CGOpenMPRuntime::getSingleCompoundChild(Ctx, Body);
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if (const auto *NND =
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dyn_cast_or_null<OMPExecutableDirective>(ChildStmt)) {
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DKind = NND->getDirectiveKind();
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if (isOpenMPWorksharingDirective(DKind) &&
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isOpenMPLoopDirective(DKind) && hasStaticScheduling(*NND))
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return true;
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}
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}
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return false;
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case OMPD_target_parallel:
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if (DKind == OMPD_simd)
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return true;
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return isOpenMPWorksharingDirective(DKind) &&
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isOpenMPLoopDirective(DKind) && hasStaticScheduling(*NestedDir);
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case OMPD_target_teams_distribute:
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case OMPD_target_simd:
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case OMPD_target_parallel_for:
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case OMPD_target_parallel_for_simd:
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case OMPD_target_teams_distribute_simd:
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case OMPD_target_teams_distribute_parallel_for:
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case OMPD_target_teams_distribute_parallel_for_simd:
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case OMPD_parallel:
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case OMPD_for:
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case OMPD_parallel_for:
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case OMPD_parallel_master:
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case OMPD_parallel_sections:
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case OMPD_for_simd:
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case OMPD_parallel_for_simd:
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case OMPD_cancel:
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case OMPD_cancellation_point:
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case OMPD_ordered:
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case OMPD_threadprivate:
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case OMPD_allocate:
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case OMPD_task:
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case OMPD_simd:
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case OMPD_sections:
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case OMPD_section:
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case OMPD_single:
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case OMPD_master:
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case OMPD_critical:
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case OMPD_taskyield:
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case OMPD_barrier:
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case OMPD_taskwait:
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case OMPD_taskgroup:
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case OMPD_atomic:
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case OMPD_flush:
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case OMPD_depobj:
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case OMPD_scan:
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case OMPD_teams:
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case OMPD_target_data:
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case OMPD_target_exit_data:
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case OMPD_target_enter_data:
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case OMPD_distribute:
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case OMPD_distribute_simd:
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case OMPD_distribute_parallel_for:
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case OMPD_distribute_parallel_for_simd:
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case OMPD_teams_distribute:
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case OMPD_teams_distribute_simd:
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case OMPD_teams_distribute_parallel_for:
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case OMPD_teams_distribute_parallel_for_simd:
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case OMPD_target_update:
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case OMPD_declare_simd:
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case OMPD_declare_variant:
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case OMPD_begin_declare_variant:
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case OMPD_end_declare_variant:
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case OMPD_declare_target:
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case OMPD_end_declare_target:
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case OMPD_declare_reduction:
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case OMPD_declare_mapper:
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case OMPD_taskloop:
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case OMPD_taskloop_simd:
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case OMPD_master_taskloop:
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case OMPD_master_taskloop_simd:
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case OMPD_parallel_master_taskloop:
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case OMPD_parallel_master_taskloop_simd:
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case OMPD_requires:
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case OMPD_unknown:
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default:
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llvm_unreachable("Unexpected directive.");
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}
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}
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return false;
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}
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void CGOpenMPRuntimeGPU::emitNonSPMDKernel(const OMPExecutableDirective &D,
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StringRef ParentName,
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llvm::Function *&OutlinedFn,
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