| ;; Test that we don't pad the x86-64 General Dynamic/Local Dynamic TLS code |
| ;; sequence. It uses prefixes to allow linker relaxation. We need to disable |
| ;; prefix or nop padding for it. For simplicity and consistency, disable for |
| ;; Local Dynamic and 32-bit as well. |
| ; RUN: llc -mtriple=i386 -relocation-model=pic -x86-branches-within-32B-boundaries < %s | FileCheck --check-prefixes=CHECK,X86 %s |
| ; RUN: llc -mtriple=x86_64 -relocation-model=pic -x86-branches-within-32B-boundaries < %s | FileCheck --check-prefixes=CHECK,X64 %s |
| |
| @gd = external thread_local global i32 |
| @ld = internal thread_local global i32 0 |
| |
| define i32 @tls_get_addr() { |
| ; CHECK-LABEL: tls_get_addr: |
| ; CHECK: #noautopadding |
| ; X86: leal gd@TLSGD(,%ebx), %eax |
| ; X86: calll ___tls_get_addr@PLT |
| ; X64: data16 |
| ; X64: leaq gd@TLSGD(%rip), %rdi |
| ; X64: callq __tls_get_addr@PLT |
| ; CHECK: #autopadding |
| ; CHECK: #noautopadding |
| ; X86: leal ld@TLSLDM(%ebx), %eax |
| ; X86: calll ___tls_get_addr@PLT |
| ; X64: leaq ld@TLSLD(%rip), %rdi |
| ; X64: callq __tls_get_addr@PLT |
| ; CHECK: #autopadding |
| %1 = load i32, ptr @gd |
| %2 = load i32, ptr @ld |
| %3 = add i32 %1, %2 |
| ret i32 %3 |
| } |
