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 | // rdar://problem/47499250 |
6 | @class Foo; |
7 | @class Bar; |
8 | |
9 | extern void callee(void); |
10 | |
11 | // CHECK-LABEL: define void @test(%0* %foo, %1* %bar) |
12 | void test(Foo *foo, Bar *bar) { |
13 | // CHECK: [[ADDR_FOO:%.*]] = bitcast %0* %{{.*}} to i8* |
14 | // CHECK-NEXT: call i1 @llvm.is.constant.p0i8(i8* [[ADDR_FOO]]) |
15 | // CHECK: [[ADDR_BAR:%.*]] = bitcast %1* %{{.*}} to i8* |
16 | // CHECK-NEXT: call i1 @llvm.is.constant.p0i8(i8* [[ADDR_BAR]]) |
17 | if (__builtin_constant_p(foo) && __builtin_constant_p(bar)) |
18 | callee(); |
19 | } |
20 | |
21 | // Test other Objective-C types. |
22 | // CHECK-LABEL: define void @test_more(i8* %object, i8* %klass) |
23 | void test_more(id object, Class klass) { |
24 | // CHECK: call i1 @llvm.is.constant.p0i8(i8* %{{.*}}) |
25 | // CHECK: call i1 @llvm.is.constant.p0i8(i8* %{{.*}}) |
26 | if (__builtin_constant_p(object) && __builtin_constant_p(klass)) |
27 | callee(); |
28 | } |
29 | |