xref: /llvm-project/clang/test/CodeGenObjC/builtin-constant-p.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -O3 -disable-llvm-passes -o - %s | FileCheck %s
2
3// Test that can call `__builtin_constant_p` with instances of different
4// Objective-C classes.
5@class Foo;
6@class Bar;
7
8extern void callee(void);
9
10// CHECK-LABEL: define{{.*}} void @test(ptr noundef %foo, ptr noundef %bar)
11void test(Foo *foo, Bar *bar) {
12  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
13  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
14  if (__builtin_constant_p(foo) && __builtin_constant_p(bar))
15    callee();
16}
17
18// Test other Objective-C types.
19// CHECK-LABEL: define{{.*}} void @test_more(ptr noundef %object, ptr noundef %klass)
20void test_more(id object, Class klass) {
21  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
22  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
23  if (__builtin_constant_p(object) && __builtin_constant_p(klass))
24    callee();
25}
26