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Basic copy elision support for multiple return values

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This commit is contained in:
gingerBill
2022-11-24 01:27:39 +00:00
parent aef8b25a8e
commit 0befadde1d
4 changed files with 160 additions and 76 deletions
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src/llvm_backend.hpp
+6
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@@ -254,6 +254,10 @@ struct lbTargetList {
};
struct lbTupleFix {
Slice<lbValue> values;
};
enum lbProcedureFlag : u32 {
lbProcedureFlag_WithoutMemcpyPass = 1<<0,
lbProcedureFlag_DebugAllocaCopy = 1<<1,
@@ -306,6 +310,7 @@ struct lbProcedure {
PtrMap<Ast *, lbValue> selector_values;
PtrMap<Ast *, lbAddr> selector_addr;
PtrMap<LLVMValueRef, lbTupleFix> tuple_fix_map;
};
@@ -360,6 +365,7 @@ lbValue lb_emit_epi(lbModule *m, lbValue const &value, isize index);
lbValue lb_emit_array_epi(lbModule *m, lbValue s, isize index);
lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index);
lbValue lb_emit_struct_ev(lbProcedure *p, lbValue s, i32 index);
lbValue lb_emit_tuple_ev(lbProcedure *p, lbValue value, i32 index);
lbValue lb_emit_array_epi(lbProcedure *p, lbValue value, isize index);
lbValue lb_emit_array_ep(lbProcedure *p, lbValue s, lbValue index);
lbValue lb_emit_deep_field_gep(lbProcedure *p, lbValue e, Selection sel);