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add specialized codegen for jl_get_current_task #32812

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Merged
merged 1 commit into from
Mar 10, 2020
Merged

add specialized codegen for jl_get_current_task #32812

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11 changes: 11 additions & 0 deletions src/ccall.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1607,6 +1607,17 @@ static jl_cgval_t emit_ccall(jl_codectx_t &ctx, jl_value_t **args, size_t nargs)
tbaa_decorate(tbaa_const, ctx.builder.CreateLoad(ptid)),
retboxed, rt, unionall, static_rt);
}
else if (is_libjulia_func(jl_get_current_task)) {
assert(lrt == T_prjlvalue);
assert(!isVa && !llvmcall && nccallargs == 0);
JL_GC_POP();
Value *ptls_pv = emit_bitcast(ctx, ctx.ptlsStates, T_pprjlvalue);
const int ct_offset = offsetof(jl_tls_states_t, current_task);
Value *pct = ctx.builder.CreateGEP(ptls_pv, ConstantInt::get(T_size, ct_offset / sizeof(void*)));
return mark_or_box_ccall_result(ctx,
tbaa_decorate(tbaa_const, ctx.builder.CreateLoad(pct)),
retboxed, rt, unionall, static_rt);
}
else if (is_libjulia_func(jl_sigatomic_begin)) {
assert(lrt == T_void);
assert(!isVa && !llvmcall && nccallargs == 0);
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1 change: 1 addition & 0 deletions src/julia_internal.h
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Expand Up @@ -1014,6 +1014,7 @@ JL_DLLEXPORT jl_value_t *(jl_array_data_owner)(jl_array_t *a);
JL_DLLEXPORT int jl_array_isassigned(jl_array_t *a, size_t i);

JL_DLLEXPORT uintptr_t jl_object_id_(jl_value_t *tv, jl_value_t *v) JL_NOTSAFEPOINT;
JL_DLLEXPORT jl_value_t *jl_get_current_task(void);

// -- synchronization utilities -- //

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