Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / lld / test / ELF / tls-mismatch.s
blob479879934ac757e2175a612e66e6d6984b595422
1 # REQUIRES: x86
2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
3 # RUN: echo 'movq tls1@GOTTPOFF(%rip), %rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
4 # RUN: ld.lld %t1.o %t.o -o /dev/null
5 # RUN: ld.lld %t.o %t1.o -o /dev/null
6 # RUN: ld.lld --start-lib %t.o --end-lib %t1.o -o /dev/null
7 # RUN: ld.lld %t1.o --start-lib %t.o --end-lib -o /dev/null
9 ## The TLS definition mismatches a non-TLS reference.
10 # RUN: echo '.type tls1,@object; movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
11 # RUN: not ld.lld %t2.o %t.o -o /dev/null 2>&1 | FileCheck %s
12 # RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck %s
14 ## We fail to flag the STT_NOTYPE reference. This usually happens with hand-written
15 ## assembly because compiler-generated code properly sets symbol types.
16 # RUN: echo 'movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t3.o
17 # RUN: ld.lld %t3.o %t.o -o /dev/null
19 ## Overriding a TLS definition with a non-TLS definition does not make sense.
20 ## We fail to flag this case.
21 # RUN: ld.lld --defsym tls1=42 %t.o -o /dev/null 2>&1 | count 0
23 ## Part of PR36049: This should probably be allowed.
24 # RUN: ld.lld --defsym tls1=tls2 %t.o -o /dev/null 2>&1 | count 0
26 ## An undefined symbol in module-level inline assembly of a bitcode file
27 ## is considered STT_NOTYPE. We should not error.
28 # RUN: echo 'target triple = "x86_64-pc-linux-gnu" \
29 # RUN: target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" \
30 # RUN: module asm "movq tls1@GOTTPOFF(%rip), %rax"' | llvm-as - -o %t.bc
31 # RUN: ld.lld %t.o %t.bc -o /dev/null
32 # RUN: ld.lld %t.bc %t.o -o /dev/null
34 # CHECK: error: TLS attribute mismatch: tls1
35 # CHECK-NEXT: >>> in {{.*}}.tmp.o
36 # CHECK-NEXT: >>> in {{.*}}
38 .globl _start
39 _start:
40 addl $1, %fs:tls1@TPOFF
41 addl $2, %fs:tls2@TPOFF
43 .tbss
44 .globl tls1, tls2
45 .space 8
46 tls1:
47 .space 4
48 tls2:
49 .space 4