xref: /aosp_15_r20/external/llvm/test/Transforms/GlobalOpt/deadglobal.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -globalopt -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@G1 = internal global i32 123            ; <i32*> [#uses=1]
4*9880d681SAndroid Build Coastguard Worker@A1 = internal alias i32, i32* @G1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @G1
7*9880d681SAndroid Build Coastguard Worker; CHECK: @G2
8*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @G3
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @A1
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine void @foo1() {
13*9880d681SAndroid Build Coastguard Worker; CHECK: define void @foo
14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
15*9880d681SAndroid Build Coastguard Worker        store i32 1, i32* @G1
16*9880d681SAndroid Build Coastguard Worker        ret void
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker@G2 = linkonce_odr constant i32 42
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdefine void @foo2() {
22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @foo2(
23*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: store
24*9880d681SAndroid Build Coastguard Worker        store i32 1, i32* @G2
25*9880d681SAndroid Build Coastguard Worker        ret void
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker@G3 = linkonce_odr constant i32 42
29