xref: /aosp_15_r20/external/llvm/test/Linker/comdat13.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llvm-link -S %s %p/Inputs/comdat13.ll -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; In Inputs/comdat13.ll a function not in the $foo comdat (zed) references an
4*9880d681SAndroid Build Coastguard Worker; internal function in the comdat $foo.
5*9880d681SAndroid Build Coastguard Worker; The IR would be ilegal on ELF ("relocation refers to discarded section"),
6*9880d681SAndroid Build Coastguard Worker; but COFF linkers seem to just duplicate the comdat.
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker$foo = comdat any
9*9880d681SAndroid Build Coastguard Worker@foo = internal global i8 0, comdat
10*9880d681SAndroid Build Coastguard Workerdefine i8* @bar() {
11*9880d681SAndroid Build Coastguard Worker       ret i8* @foo
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker; CHECK: $foo = comdat any
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker; CHECK: @foo = internal global i8 0, comdat
17*9880d681SAndroid Build Coastguard Worker; CHECK: @foo.1 = internal global i8 1, comdat($foo)
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; CHECK:      define i8* @bar() {
20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   ret i8* @foo
21*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: }
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; CHECK:      define i8* @zed() {
24*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   call void @bax()
25*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   ret i8* @foo.1
26*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: }
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker; CHECK:      define internal void @bax() comdat($foo) {
29*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   ret void
30*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: }
31