xref: /llvm-project/llvm/test/CodeGen/Generic/empty-phi.ll (revision 0e8bd5a44a1bd8034706189b49a7a816c59304cd) 
1; RUN: llc < %s
2
3define void @f() {
4entry:
5  br label %bb1
6
7bb1:
8  %0 = phi [0 x { ptr, i64, i64 }] [ %load, %bb2 ], [ undef, %entry ]
9  store [0 x { ptr, i64, i64 }] %0, ptr undef, align 8
10  %1 = icmp eq i64 undef, 0
11  br i1 %1, label %bb2, label %bb3
12
13bb2:
14  %load = load [0 x { ptr, i64, i64 }], ptr undef, align 8
15  br label %bb1
16
17bb3:
18  ret void
19}
20