| ; RUN: llc < %s -mtriple=i386-linux-musl -relocation-model=pic -relax-elf-relocations=true | FileCheck --check-prefixes=CHECK,X86 %s |
| ; RUN: llc < %s -mtriple=x86_64-linux-musl -relocation-model=pic -relax-elf-relocations=true | FileCheck --check-prefixes=CHECK,X64 %s |
| |
| ;; If GOTPCRELX is disabled, don't use GOT for __tls_get_addr to work around |
| ;; a ld.bfd bug (binutils PR24784). |
| ; RUN: llc < %s -mtriple=i386-linux-musl -relocation-model=pic | FileCheck --check-prefixes=CHECK,X86-PLT %s |
| ; RUN: llc < %s -mtriple=x86_64-linux-musl -relocation-model=pic | FileCheck --check-prefixes=CHECK,X64-PLT %s |
| |
| @gd = thread_local global i32 0 |
| @ld = internal thread_local global i32 0 |
| |
| define i32* @get_gd() { |
| entry: |
| ; CHECK-LABEL: get_gd: |
| ; X86: leal gd@TLSGD(%ebx), %eax |
| ; X86: calll *___tls_get_addr@GOT(%ebx) |
| ; X86-PLT: calll ___tls_get_addr@PLT |
| |
| ; X64: leaq gd@TLSGD(%rip), %rdi |
| ; X64: callq *__tls_get_addr@GOTPCREL(%rip) |
| ; X64-PLT: callq __tls_get_addr@PLT |
| ret i32* @gd |
| } |
| |
| define i32* @get_ld() { |
| ; FIXME: This function uses a single thread-local variable, we might want to fall back to general-dynamic. |
| ; CHECK-LABEL: get_ld: |
| ; X86: leal ld@TLSLDM(%ebx), %eax |
| ; X86: calll *___tls_get_addr@GOT(%ebx) |
| ; X86-PLT: calll ___tls_get_addr@PLT |
| |
| ; X64: leaq ld@TLSLD(%rip), %rdi |
| ; X64: callq *__tls_get_addr@GOTPCREL(%rip) |
| ; X64-PLT: callq __tls_get_addr@PLT |
| ret i32* @ld |
| } |
| |
| !llvm.module.flags = !{!1} |
| !1 = !{i32 7, !"RtLibUseGOT", i32 1} |
