1 ;; Test that we don't pad the x86-64 General Dynamic/Local Dynamic TLS code
2 ;; sequence. It uses prefixes to allow linker relaxation. We need to disable
3 ;; prefix or nop padding for it. For simplicity and consistency, disable for
4 ;; Local Dynamic and 32-bit as well.
5 ; RUN: llc -mtriple=i386 -relocation-model=pic -x86-branches-within-32B-boundaries < %s | FileCheck --check-prefixes=CHECK,X86 %s
6 ; RUN: llc -mtriple=x86_64 -relocation-model=pic -x86-branches-within-32B-boundaries < %s | FileCheck --check-prefixes=CHECK,X64 %s
8 @gd = external thread_local global i32
9 @ld = internal thread_local global i32 0
11 define i32 @tls_get_addr() {
12 ; CHECK-LABEL: tls_get_addr:
13 ; CHECK: #noautopadding
14 ; X86: leal gd@TLSGD(,%ebx), %eax
15 ; X86: calll ___tls_get_addr@PLT
17 ; X64: leaq gd@TLSGD(%rip), %rdi
18 ; X64: callq __tls_get_addr@PLT
20 ; CHECK: #noautopadding
21 ; X86: leal ld@TLSLDM(%ebx), %eax
22 ; X86: calll ___tls_get_addr@PLT
23 ; X64: leaq ld@TLSLD(%rip), %rdi
24 ; X64: callq __tls_get_addr@PLT
26 %1 = load i32, ptr @gd
27 %2 = load i32, ptr @ld