xref: /aosp_15_r20/external/llvm/test/CodeGen/Generic/empty-phi.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine void @f() {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker  br label %bb1
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerbb1:
8*9880d681SAndroid Build Coastguard Worker  %0 = phi [0 x { i8*, i64, i64 }] [ %load, %bb2 ], [ undef, %entry ]
9*9880d681SAndroid Build Coastguard Worker  store [0 x { i8*, i64, i64 }] %0, [0 x { i8*, i64, i64 }]* undef, align 8
10*9880d681SAndroid Build Coastguard Worker  %1 = icmp eq i64 undef, 0
11*9880d681SAndroid Build Coastguard Worker  br i1 %1, label %bb2, label %bb3
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerbb2:
14*9880d681SAndroid Build Coastguard Worker  %load = load [0 x { i8*, i64, i64 }], [0 x { i8*, i64, i64 }]* undef, align 8
15*9880d681SAndroid Build Coastguard Worker  br label %bb1
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerbb3:
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
20