xref: /llvm-project/llvm/test/CodeGen/X86/align-branch-boundary-suppressions-tls.ll (revision f8395f8420cee8fc0854f43c9e88819c0ed54696)
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
7
8@gd = external thread_local global i32
9@ld = internal thread_local global i32 0
10
11define 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
16; X64: data16
17; X64: leaq gd@TLSGD(%rip), %rdi
18; X64: callq __tls_get_addr@PLT
19; CHECK: #autopadding
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
25; CHECK: #autopadding
26  %1 = load i32, ptr @gd
27  %2 = load i32, ptr @ld
28  %3 = add i32 %1, %2
29  ret i32 %3
30}
31