File: builtin-constant-p.m

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (25 lines) | stat: -rw-r--r-- 904 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -O3 -disable-llvm-passes -o - %s | FileCheck %s

// Test that can call `__builtin_constant_p` with instances of different
// Objective-C classes.
@class Foo;
@class Bar;

extern void callee(void);

// CHECK-LABEL: define{{.*}} void @test(ptr noundef %foo, ptr noundef %bar)
void test(Foo *foo, Bar *bar) {
  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
  if (__builtin_constant_p(foo) && __builtin_constant_p(bar))
    callee();
}

// Test other Objective-C types.
// CHECK-LABEL: define{{.*}} void @test_more(ptr noundef %object, ptr noundef %klass)
void test_more(id object, Class klass) {
  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
  // CHECK: call i1 @llvm.is.constant.p0(ptr %{{.*}})
  if (__builtin_constant_p(object) && __builtin_constant_p(klass))
    callee();
}