| ; REQUIRES: x86 |
| ;; The LTO code generator may create references which will fetch lazy symbols. |
| ;; Test that version script local: directives can change the binding of such |
| ;; symbols to STB_LOCAL. This is a bit complex because the LTO code generator |
| ;; happens after version script scanning and can change symbols from Lazy to Defined. |
| |
| ; RUN: llvm-as %s -o %t.bc |
| ; RUN: echo '.globl __udivti3; __udivti3:' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o |
| |
| ;; An exact pattern can localize a libcall. |
| ; RUN: echo '{ global: foo; local: __udivti3; };' > %t.exact.ver |
| ; RUN: ld.lld -shared --version-script %t.exact.ver %t.bc --start-lib %t1.o --end-lib -o %t.exact.so |
| ; RUN: llvm-nm %t.exact.so | FileCheck %s |
| |
| ;; A wildcard pattern can localize a libcall. |
| ; RUN: echo '{ global: foo; local: *; };' > %t.wild.ver |
| ; RUN: ld.lld -shared --version-script %t.wild.ver %t.bc --start-lib %t1.o --end-lib -o %t.wild.so |
| ; RUN: llvm-nm %t.wild.so | FileCheck %s |
| |
| ; CHECK: t __udivti3 |
| ; CHECK: T foo |
| |
| ;; Test that --dynamic-list works on such libcall fetched symbols. |
| ; RUN: echo '{ foo; __udivti3; };' > %t.exact.list |
| ; RUN: ld.lld -pie --dynamic-list %t.exact.list %t.bc --start-lib %t1.o --end-lib -o %t.exact |
| ; RUN: llvm-nm %t.exact | FileCheck --check-prefix=LIST %s |
| ; RUN: echo '{ foo; __udiv*; };' > %t.wild.list |
| ; RUN: ld.lld -pie --dynamic-list %t.wild.list %t.bc --start-lib %t1.o --end-lib -o %t.wild |
| ; RUN: llvm-nm %t.wild | FileCheck --check-prefix=LIST %s |
| |
| ; LIST: T __udivti3 |
| ; LIST: T foo |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare i64 @llvm.udiv.fix.i64(i64, i64, i32) |
| |
| ;; The symbol table does not record __udivti3, but the reference will be created |
| ;; on the fly. |
| define i64 @foo(i64 %x, i64 %y) { |
| %ret = call i64 @llvm.udiv.fix.i64(i64 %x, i64 %y, i32 31) |
| ret i64 %ret |
| } |