1; REQUIRES: x86
2;; The LTO code generator may create references which will fetch lazy symbols.
3;; Test that version script local: directives can change the binding of such
4;; symbols to STB_LOCAL. This is a bit complex because the LTO code generator
5;; happens after version script scanning and can change symbols from Lazy to Defined.
6
7; RUN: llvm-as %s -o %t.bc
8; RUN: echo '.globl __udivti3; __udivti3:' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
9
10;; An exact pattern can localize a libcall.
11; RUN: echo '{ global: foo; local: __udivti3; };' > %t.exact.ver
12; RUN: ld.lld -shared --version-script %t.exact.ver %t.bc --start-lib %t1.o --end-lib -o %t.exact.so
13; RUN: llvm-nm %t.exact.so | FileCheck %s
14
15;; A wildcard pattern can localize a libcall.
16; RUN: echo '{ global: foo; local: *; };' > %t.wild.ver
17; RUN: ld.lld -shared --version-script %t.wild.ver %t.bc --start-lib %t1.o --end-lib -o %t.wild.so
18; RUN: llvm-nm %t.wild.so | FileCheck %s
19
20; CHECK: t __udivti3
21; CHECK: T foo
22
23;; Test that --dynamic-list works on such libcall fetched symbols.
24; RUN: echo '{ foo; __udivti3; };' > %t.exact.list
25; RUN: ld.lld -pie --dynamic-list %t.exact.list %t.bc --start-lib %t1.o --end-lib -o %t.exact
26; RUN: llvm-nm %t.exact | FileCheck --check-prefix=LIST %s
27; RUN: echo '{ foo; __udiv*; };' > %t.wild.list
28; RUN: ld.lld -pie --dynamic-list %t.wild.list %t.bc --start-lib %t1.o --end-lib -o %t.wild
29; RUN: llvm-nm %t.wild | FileCheck --check-prefix=LIST %s
30
31; LIST: T __udivti3
32; LIST: T foo
33
34target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
35target triple = "x86_64-unknown-linux-gnu"
36
37declare i64 @llvm.udiv.fix.i64(i64, i64, i32)
38
39;; The symbol table does not record __udivti3, but the reference will be created
40;; on the fly.
41define i64 @foo(i64 %x, i64 %y) {
42  %ret = call i64 @llvm.udiv.fix.i64(i64 %x, i64 %y, i32 31)
43  ret i64 %ret
44}
45