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 9extern void callee(void); 10 11// CHECK-LABEL: define void @test(%0* %foo, %1* %bar) 12void 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) 23void 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