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Fix #2329

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This commit is contained in:
gingerBill
2023-02-19 12:47:14 +00:00
parent c386c72d10
commit 233f47cc99
1 changed files with 24 additions and 3 deletions
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src/llvm_backend_proc.cpp
+24 -3
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@@ -2304,7 +2304,15 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
break; break;
case BuiltinProc_volatile_store: LLVMSetVolatile(instr, true); break; case BuiltinProc_volatile_store: LLVMSetVolatile(instr, true); break;
case BuiltinProc_atomic_store: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break; case BuiltinProc_atomic_store: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break;
case BuiltinProc_atomic_store_explicit: LLVMSetOrdering(instr, llvm_atomic_ordering_from_odin(ce->args[2])); break; case BuiltinProc_atomic_store_explicit:
{
auto ordering = llvm_atomic_ordering_from_odin(ce->args[2]);
LLVMSetOrdering(instr, ordering);
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(instr, true);
}
}
break;
} }
LLVMSetAlignment(instr, cast(unsigned)type_align_of(type_deref(dst.type))); LLVMSetAlignment(instr, cast(unsigned)type_align_of(type_deref(dst.type)));
@@ -2330,7 +2338,15 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
break; break;
case BuiltinProc_volatile_load: LLVMSetVolatile(instr, true); break; case BuiltinProc_volatile_load: LLVMSetVolatile(instr, true); break;
case BuiltinProc_atomic_load: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break; case BuiltinProc_atomic_load: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break;
case BuiltinProc_atomic_load_explicit: LLVMSetOrdering(instr, llvm_atomic_ordering_from_odin(ce->args[1])); break; case BuiltinProc_atomic_load_explicit:
{
auto ordering = llvm_atomic_ordering_from_odin(ce->args[1]);
LLVMSetOrdering(instr, ordering);
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(instr, true);
}
}
break;
} }
LLVMSetAlignment(instr, cast(unsigned)type_align_of(type_deref(dst.type))); LLVMSetAlignment(instr, cast(unsigned)type_align_of(type_deref(dst.type)));
@@ -2400,6 +2416,9 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
lbValue res = {}; lbValue res = {};
res.value = LLVMBuildAtomicRMW(p->builder, op, dst.value, val.value, ordering, false); res.value = LLVMBuildAtomicRMW(p->builder, op, dst.value, val.value, ordering, false);
res.type = tv.type; res.type = tv.type;
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(res.value, true);
}
return res; return res;
} }
@@ -2425,7 +2444,6 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
case BuiltinProc_atomic_compare_exchange_weak_explicit: success_ordering = llvm_atomic_ordering_from_odin(ce->args[3]); failure_ordering = llvm_atomic_ordering_from_odin(ce->args[4]); weak = true; break; case BuiltinProc_atomic_compare_exchange_weak_explicit: success_ordering = llvm_atomic_ordering_from_odin(ce->args[3]); failure_ordering = llvm_atomic_ordering_from_odin(ce->args[4]); weak = true; break;
} }
// TODO(bill): Figure out how to make it weak
LLVMBool single_threaded = false; LLVMBool single_threaded = false;
LLVMValueRef value = LLVMBuildAtomicCmpXchg( LLVMValueRef value = LLVMBuildAtomicCmpXchg(
@@ -2436,6 +2454,9 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
single_threaded single_threaded
); );
LLVMSetWeak(value, weak); LLVMSetWeak(value, weak);
if (success_ordering == LLVMAtomicOrderingUnordered || failure_ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(value, true);
}
if (is_type_tuple(tv.type)) { if (is_type_tuple(tv.type)) {
Type *fix_typed = alloc_type_tuple(); Type *fix_typed = alloc_type_tuple();