llvm-project
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1; REQUIRES: x86
2
3; This test is to make sure that the necessary alignment for thread locals
4; gets reflected in the TLS Directory of the generated executable on x86.
5;
6; aligned_thread_local specifies 'align 32' and so the generated
7; exe should reflect that with a value of IMAGE_SCN_ALIGN_32BYTES
8; in the Characteristics field of the IMAGE_TLS_DIRECTORY
9
10; RUN: llc -filetype=obj %S/Inputs/tlssup-32.ll -o %t.tlssup.obj
11; RUN: llc -filetype=obj %s -o %t.obj
12; RUN: lld-link %t.tlssup.obj %t.obj -entry:main -nodefaultlib -out:%t.exe
13; RUN: llvm-readobj --coff-tls-directory %t.exe | FileCheck %s
14
15; CHECK: TLSDirectory {
16; CHECK: Characteristics [ (0x600000)
17; CHECK-NEXT: IMAGE_SCN_ALIGN_32BYTES (0x600000)
18
19target triple = "i686-pc-windows-msvc"
20
21@aligned_thread_local = thread_local global i32 42, align 32
22
23define i32 @main() {
24%t = load i32, ptr @aligned_thread_local
25ret i32 %t
26}
27