xref: /aosp_15_r20/external/llvm/test/MC/MachO/tlv-bss.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 -mtriple=x86_64-apple-darwin12 -filetype=obj -o - %s | llvm-readobj -s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Test that we emit weak_odr thread_locals correctly into the thread_bss section
3*9880d681SAndroid Build Coastguard Worker; PR15972
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: Section {
6*9880d681SAndroid Build Coastguard Worker; CHECK:   Index: 1
7*9880d681SAndroid Build Coastguard Worker; CHECK:   Name: __thread_bss (5F 5F 74 68 72 65 61 64 5F 62 73 73 00 00 00 00)
8*9880d681SAndroid Build Coastguard Worker; CHECK:   Size: 0x8
9*9880d681SAndroid Build Coastguard Worker; CHECK:   Alignment: 3
10*9880d681SAndroid Build Coastguard Worker; CHECK: }
11*9880d681SAndroid Build Coastguard Worker; CHECK: Section {
12*9880d681SAndroid Build Coastguard Worker; CHECK:   Index: 2
13*9880d681SAndroid Build Coastguard Worker; CHECK:   Name: __thread_vars (5F 5F 74 68 72 65 61 64 5F 76 61 72 73 00 00 00)
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker; Generated from this C++ source
16*9880d681SAndroid Build Coastguard Worker; template<class T>
17*9880d681SAndroid Build Coastguard Worker; struct Tls {
18*9880d681SAndroid Build Coastguard Worker;   static __thread void* val;
19*9880d681SAndroid Build Coastguard Worker; };
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; template<class T> __thread void* Tls<T>::val;
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; void* f(int x) {
24*9880d681SAndroid Build Coastguard Worker;         return Tls<long>::val;
25*9880d681SAndroid Build Coastguard Worker; }
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Worker@_ZN3TlsIlE3valE = weak_odr thread_local global i8* null, align 8
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind ssp uwtable
30*9880d681SAndroid Build Coastguard Workerdefine i8* @_Z1fi(i32 %x) #0 {
31*9880d681SAndroid Build Coastguard Workerentry:
32*9880d681SAndroid Build Coastguard Worker  %x.addr = alloca i32, align 4
33*9880d681SAndroid Build Coastguard Worker  store i32 %x, i32* %x.addr, align 4
34*9880d681SAndroid Build Coastguard Worker  %0 = load i8*, i8** @_ZN3TlsIlE3valE, align 8
35*9880d681SAndroid Build Coastguard Worker  ret i8* %0
36*9880d681SAndroid Build Coastguard Worker}
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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