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llvm 21 support

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Laytan
2025-10-14 19:55:00 +02:00
parent 78e9a22ffa
commit e7ecb16a1e
10 changed files with 620 additions and 85 deletions
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40
src/llvm_backend_general.cpp
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@@ -2547,29 +2547,9 @@ gb_internal LLVMAttributeRef lb_create_enum_attribute_with_type(LLVMContextRef c
unsigned kind = 0;
String s = make_string_c(name);
#if ODIN_LLVM_MINIMUM_VERSION_12
kind = LLVMGetEnumAttributeKindForName(name, s.len);
GB_ASSERT_MSG(kind != 0, "unknown attribute: %s", name);
return LLVMCreateTypeAttribute(ctx, kind, type);
#else
// NOTE(2021-02-25, bill); All this attributes require a type associated with them
// and the current LLVM C API does not expose this functionality yet.
// It is better to ignore the attributes for the time being
if (s == "byval") {
// return nullptr;
} else if (s == "byref") {
return nullptr;
} else if (s == "preallocated") {
return nullptr;
} else if (s == "sret") {
// return nullptr;
}
kind = LLVMGetEnumAttributeKindForName(name, s.len);
GB_ASSERT_MSG(kind != 0, "unknown attribute: %s", name);
return LLVMCreateEnumAttribute(ctx, kind, 0);
#endif
kind = LLVMGetEnumAttributeKindForName(name, s.len);
GB_ASSERT_MSG(kind != 0, "unknown attribute: %s", name);
return LLVMCreateTypeAttribute(ctx, kind, type);
}
gb_internal LLVMAttributeRef lb_create_enum_attribute(LLVMContextRef ctx, char const *name, u64 value) {
@@ -2612,6 +2592,20 @@ gb_internal void lb_add_proc_attribute_at_index(lbProcedure *p, isize index, cha
lb_add_proc_attribute_at_index(p, index, name, 0);
}
gb_internal void lb_add_proc_attribute_at_index_with_string(lbProcedure *p, isize index, String const &name, String const &value) {
LLVMAttributeRef attr = lb_create_string_attribute(p->module->ctx, name, value);
GB_ASSERT(attr != nullptr);
LLVMAddAttributeAtIndex(p->value, cast(unsigned)index, attr);
}
gb_internal void lb_add_nocapture_proc_attribute_at_index(lbProcedure *p, isize index) {
#if LLVM_VERSION_MAJOR >= 21
lb_add_proc_attribute_at_index_with_string(p, index, make_string_c("captures"), make_string_c("none"));
#else
lb_add_proc_attribute_at_index(p, index, "nocapture");
#endif
}
gb_internal void lb_add_attribute_to_proc(lbModule *m, LLVMValueRef proc_value, char const *name, u64 value=0) {
LLVMAddAttributeAtIndex(proc_value, LLVMAttributeIndex_FunctionIndex, lb_create_enum_attribute(m->ctx, name, value));
}