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Propagate user-defined function alignment to LLVM IR

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This commit is contained in:
LemonBoy 2019-10-13 12:14:30 +02:00
parent b1f3f59d66
commit 22e60df680
2 changed files with 11 additions and 1 deletions
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5
src/analyze.cpp
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@ -1787,6 +1787,7 @@ static ZigType *analyze_fn_type(CodeGen *g, AstNode *proto_node, Scope *child_sc
if (!analyze_const_align(g, child_scope, fn_proto->align_expr, &fn_type_id.alignment)) {
return g->builtin_types.entry_invalid;
}
fn_entry->align_bytes = fn_type_id.alignment;
}
if (fn_proto->return_var_token != nullptr) {
@ -3327,7 +3328,9 @@ static void resolve_decl_fn(CodeGen *g, TldFn *tld_fn) {
fn_table_entry->type_entry = analyze_fn_type(g, source_node, child_scope, fn_table_entry);
if (fn_proto->section_expr != nullptr) {
analyze_const_string(g, child_scope, fn_proto->section_expr, &fn_table_entry->section_name);
if (!analyze_const_string(g, child_scope, fn_proto->section_expr, &fn_table_entry->section_name)) {
fn_table_entry->type_entry = g->builtin_types.entry_invalid;
}
}
if (fn_table_entry->type_entry->id == ZigTypeIdInvalid) {

7
test/stage1/behavior/align.zig
View File

@ -328,3 +328,10 @@ test "align(@alignOf(T)) T does not force resolution of T" {
_ = async S.doTheTest();
expect(S.ok);
}
test "align(N) on functions" {
expect((@ptrToInt(overaligned_fn) & (0x1000 - 1)) == 0);
}
fn overaligned_fn() align(0x1000) i32 {
return 42;
}