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1; RUN: opt < %s -disable-verify -instcombine -S | opt -S | FileCheck %s
2; Formerly crashed, PR8490.
3
4; CHECK-LABEL: @test3(
5define i32 @test3(i1 %bool, i32 %a) {
6entry:
7  %cond = or i1 %bool, true
8  br i1 %cond, label %return, label %xpto
9
10; technically reachable, but this malformed IR may appear as a result of constant propagation
11xpto:
12  %select = select i1 %bool, i32 %a, i32 %select
13  %select2 = select i1 %bool, i32 %select2, i32 %a
14  %sum = add i32 %select, %select2
15  ret i32 %sum
16
17return:
18  ret i32 7
19}
20