xref: /llvm-project/llvm/test/Transforms/Scalarizer/phi-bug-inseltpoison.ll (revision e9320b1a95a69652bba9b3ba66900b1c0e8f6b0a) 
1; RUN: opt %s -passes='function(scalarizer,verify)' -S -o - | FileCheck %s
2
3define void @f3() local_unnamed_addr {
4bb1:
5  br label %bb2
6
7bb3:
8; CHECK-LABEL: bb3:
9; CHECK-NEXT: br label %bb4
10  %h.10.0.vec.insert = shufflevector <1 x i16> %h.10.1, <1 x i16> poison, <1 x i32> <i32 0>
11  br label %bb4
12
13bb2:
14; CHECK-LABEL: bb2:
15; CHECK: phi i16
16  %h.10.1 = phi <1 x i16> [ undef, %bb1 ]
17  br label %bb3
18
19bb4:
20; CHECK-LABEL: bb4:
21; CHECK: phi i16
22  %h.10.2 = phi <1 x i16> [ %h.10.0.vec.insert, %bb3 ]
23  ret void
24}
25