xref: /aosp_15_r20/external/llvm/test/Transforms/GlobalDCE/2009-01-05-DeadAliases.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -globaldce -S > %t
2*9880d681SAndroid Build Coastguard Worker; RUN: FileCheck %s < %t
3*9880d681SAndroid Build Coastguard Worker; RUN: FileCheck --check-prefix=DEAD %s < %t
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker@A = global i32 0
6*9880d681SAndroid Build Coastguard Worker; CHECK: @A = global i32 0
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker@D = internal alias i32, i32* @A
9*9880d681SAndroid Build Coastguard Worker; DEAD-NOT: @D
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker@L1 = alias i32, i32* @A
12*9880d681SAndroid Build Coastguard Worker; CHECK: @L1 = alias i32, i32* @A
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker@L2 = internal alias i32, i32* @L1
15*9880d681SAndroid Build Coastguard Worker; CHECK: @L2 = internal alias i32, i32* @L1
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker@L3 = alias i32, i32* @L2
18*9880d681SAndroid Build Coastguard Worker; CHECK: @L3 = alias i32, i32* @L2
19