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-rw-r--r--src/ir.cpp27
1 files changed, 17 insertions, 10 deletions
diff --git a/src/ir.cpp b/src/ir.cpp
index e57cf01da..d8f33a355 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -4130,35 +4130,42 @@ irValue *ir_build_builtin_proc(irProcedure *proc, AstNode *expr, TypeAndValue tv
Type *elem_type = core_type(type)->Slice.elem;
Type *elem_ptr_type = make_type_pointer(a, elem_type);
- irValue *elem_size = ir_const_int(a, type_size_of(a, elem_type));
- irValue *elem_align = ir_const_int(a, type_align_of(a, elem_type));
+ i64 esz = type_size_of(a, elem_type);
+ i64 eal = type_align_of(a, elem_type);
- irValue *count = ir_emit_conv(proc, ir_build_expr(proc, ce->args[1]), t_int);
- irValue *capacity = count;
+ irValue *elem_size = ir_const_int(a, esz);
+ irValue *elem_align = ir_const_int(a, eal);
+
+ irValue *len = ir_emit_conv(proc, ir_build_expr(proc, ce->args[1]), t_int);
+ irValue *cap = len;
if (ce->args.count == 3) {
- capacity = ir_emit_conv(proc, ir_build_expr(proc, ce->args[2]), t_int);
+ cap = ir_emit_conv(proc, ir_build_expr(proc, ce->args[2]), t_int);
}
- ir_emit_slice_bounds_check(proc, ast_node_token(ce->args[1]), v_zero, count, capacity, false);
+ ir_emit_slice_bounds_check(proc, ast_node_token(ce->args[1]), v_zero, len, cap, false);
- irValue *slice_size = ir_emit_arith(proc, Token_Mul, elem_size, capacity, t_int);
+ irValue *slice_size = cap;
+ if (eal != 1) {
+ slice_size = ir_emit_arith(proc, Token_Mul, elem_size, cap, t_int);
+ }
+ TokenPos pos = ast_node_token(ce->args[0]).pos;
irValue **args = gb_alloc_array(a, irValue *, 3);
args[0] = slice_size;
args[1] = elem_align;
- args[2] = ir_emit_source_code_location(proc, proc_name, ast_node_token(expr).pos);
+ args[2] = ir_emit_source_code_location(proc, proc_name, pos);
irValue *call = ir_emit_global_call(proc, "alloc", args, 3);
irValue *ptr = ir_emit_conv(proc, call, elem_ptr_type);
if (ir_type_has_default_values(elem_type)) {
- ir_init_data_with_defaults(proc, ptr, count);
+ ir_init_data_with_defaults(proc, ptr, len);
}
irValue *slice = ir_add_local_generated(proc, type);
- ir_fill_slice(proc, slice, ptr, count, capacity);
+ ir_fill_slice(proc, slice, ptr, len, cap);
return ir_emit_load(proc, slice);
} else if (is_type_map(type)) {
irValue *int_16 = ir_const_int(a, 16);