File: externc-ifunc-resolver.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (18 lines) | stat: -rw-r--r-- 897 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-macosx -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple arm64-apple-macosx -emit-llvm -o - %s | FileCheck %s

extern "C" {
__attribute__((used)) static void *resolve_foo() { return 0; }
__attribute__((ifunc("resolve_foo"))) char *foo();
__attribute__((ifunc("resolve_foo"))) void foo2(int);
__attribute__((ifunc("resolve_foo"))) char foo3(float);
__attribute__((ifunc("resolve_foo"))) char foo4(float);
}

// CHECK: @resolve_foo = internal alias ptr (), ptr @_ZL11resolve_foov
// CHECK: @foo = ifunc ptr (), ptr @_ZL11resolve_foov
// CHECK: @foo2 = ifunc void (i32), ptr @_ZL11resolve_foov
// CHECK: @foo3 = ifunc i8 (float), ptr @_ZL11resolve_foov
// CHECK: @foo4 = ifunc i8 (float), ptr @_ZL11resolve_foov
// CHECK: define internal noundef ptr @_ZL11resolve_foov()