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| //===- ir_test.go - Tests for ir ------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests bindings for the ir component.
//
//===----------------------------------------------------------------------===//
package llvm
import (
"strings"
"testing"
)
func testAttribute(t *testing.T, name string) {
mod := NewModule("")
defer mod.Dispose()
ftyp := FunctionType(VoidType(), nil, false)
fn := AddFunction(mod, "foo", ftyp)
kind := AttributeKindID(name)
attr := mod.Context().CreateEnumAttribute(kind, 0)
fn.AddFunctionAttr(attr)
newattr := fn.GetEnumFunctionAttribute(kind)
if attr != newattr {
t.Errorf("got attribute %p, want %p", newattr.C, attr.C)
}
text := mod.String()
if !strings.Contains(text, " "+name+" ") {
t.Errorf("expected attribute '%s', got:\n%s", name, text)
}
fn.RemoveEnumFunctionAttribute(kind)
newattr = fn.GetEnumFunctionAttribute(kind)
if !newattr.IsNil() {
t.Errorf("got attribute %p, want 0", newattr.C)
}
}
func TestAttributes(t *testing.T) {
// Tests that our attribute constants haven't drifted from LLVM's.
attrTests := []string{
"sanitize_address",
"alwaysinline",
"builtin",
"convergent",
"inalloca",
"inlinehint",
"inreg",
"jumptable",
"minsize",
"naked",
"nest",
"noalias",
"nobuiltin",
"nocapture",
"noduplicate",
"noimplicitfloat",
"noinline",
"nonlazybind",
"nonnull",
"noredzone",
"noreturn",
"nounwind",
"optnone",
"optsize",
"readnone",
"readonly",
"returned",
"returns_twice",
"signext",
"safestack",
"ssp",
"sspreq",
"sspstrong",
"sret",
"sanitize_thread",
"sanitize_memory",
"uwtable",
"zeroext",
"cold",
"nocf_check",
}
for _, name := range attrTests {
testAttribute(t, name)
}
}
func TestDebugLoc(t *testing.T) {
mod := NewModule("")
defer mod.Dispose()
ctx := mod.Context()
b := ctx.NewBuilder()
defer b.Dispose()
d := NewDIBuilder(mod)
defer func() {
d.Destroy()
}()
file := d.CreateFile("dummy_file", "dummy_dir")
voidInfo := d.CreateBasicType(DIBasicType{Name: "void"})
typeInfo := d.CreateSubroutineType(DISubroutineType{
File: file,
Parameters: []Metadata{voidInfo},
Flags: 0,
})
scope := d.CreateFunction(file, DIFunction{
Name: "foo",
LinkageName: "foo",
Line: 10,
ScopeLine: 10,
Type: typeInfo,
File: file,
IsDefinition: true,
})
b.SetCurrentDebugLocation(10, 20, scope, Metadata{})
loc := b.GetCurrentDebugLocation()
if loc.Line != 10 {
t.Errorf("Got line %d, though wanted 10", loc.Line)
}
if loc.Col != 20 {
t.Errorf("Got column %d, though wanted 20", loc.Col)
}
if loc.Scope.C != scope.C {
t.Errorf("Got metadata %v as scope, though wanted %v", loc.Scope.C, scope.C)
}
}
func TestSubtypes(t *testing.T) {
cont := NewContext()
defer cont.Dispose()
int_pointer := PointerType(cont.Int32Type(), 0)
int_inner := int_pointer.Subtypes()
if len(int_inner) != 1 {
t.Errorf("Got size %d, though wanted 1", len(int_inner))
}
if int_inner[0] != cont.Int32Type() {
t.Errorf("Expected int32 type")
}
st_pointer := cont.StructType([]Type{cont.Int32Type(), cont.Int8Type()}, false)
st_inner := st_pointer.Subtypes()
if len(st_inner) != 2 {
t.Errorf("Got size %d, though wanted 2", len(int_inner))
}
if st_inner[0] != cont.Int32Type() {
t.Errorf("Expected first struct field to be int32")
}
if st_inner[1] != cont.Int8Type() {
t.Errorf("Expected second struct field to be int8")
}
}
|