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Add @(cold) attribute to procedure declarations

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This commit is contained in:
gingerBill
2021-04-14 17:15:28 +01:00
parent 3e54cddf64
commit 9adec628c1
8 changed files with 82 additions and 27 deletions
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src/llvm_backend.cpp
+33 -2
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@@ -2464,9 +2464,12 @@ void lb_add_proc_attribute_at_index(lbProcedure *p, isize index, char const *nam
}
void lb_add_proc_attribute_at_index(lbProcedure *p, isize index, char const *name) {
lb_add_proc_attribute_at_index(p, index, name, cast(u64)true);
lb_add_proc_attribute_at_index(p, index, name, 0);
}
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));
}
void lb_ensure_abi_function_type(lbModule *m, lbProcedure *p) {
@@ -2556,6 +2559,23 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity) {
LLVMSetFunctionCallConv(p->value, cc_kind);
}
if (entity->flags & EntityFlag_Cold) {
lb_add_attribute_to_proc(m, p->value, "cold");
}
if (pt->Proc.diverging) {
lb_add_attribute_to_proc(m, p->value, "noreturn");
}
switch (p->inlining) {
case ProcInlining_inline:
lb_add_attribute_to_proc(m, p->value, "alwaysinline");
break;
case ProcInlining_no_inline:
lb_add_attribute_to_proc(m, p->value, "noinline");
break;
}
// lbCallingConventionKind cc_kind = lbCallingConvention_C;
// // TODO(bill): Clean up this logic
// if (build_context.metrics.os != TargetOs_js) {
@@ -8073,7 +8093,18 @@ lbValue lb_emit_call_internal(lbProcedure *p, lbValue value, lbValue return_ptr,
}
LLVMValueRef ret = LLVMBuildCall2(p->builder, fnp, fn, args, arg_count, "");
// LLVMValueRef ret = LLVMBuildCall(p->builder, fn, args, arg_count, "");
switch (inlining) {
case ProcInlining_none:
break;
case ProcInlining_inline:
// LLVMAddAttributeAtIndex(ret, LLVMAttributeIndex_FunctionIndex, lb_create_enum_attribute(p->module->ctx, "alwaysinline"));
break;
case ProcInlining_no_inline:
// LLVMAddAttributeAtIndex(ret, LLVMAttributeIndex_FunctionIndex, lb_create_enum_attribute(p->module->ctx, "noinline"));
break;
}
lbValue res = {};
res.value = ret;
res.type = abi_rt;