1; RUN: opt -indvars -S < %s | FileCheck %s
2
3declare void @use(i1)
4
5define void @f() {
6; CHECK-LABEL: @f(
7 entry:
8  %x = alloca i32
9  %y = alloca i32
10  br label %loop
11
12 loop:
13  %iv = phi i32 [ 0, %entry ], [ %iv.inc, %loop ]
14  %iv.inc = add i32 %iv, 1
15
16  %x.gep = getelementptr i32, i32* %x, i32 %iv
17  %eql = icmp eq i32* %x.gep, %y
18; CHECK-NOT: @use(i1 true)
19  call void @use(i1 %eql)
20
21  ; %be.cond deliberately 'false' -- we want want the trip count to be 0.
22  %be.cond = icmp ult i32 %iv, 0
23  br i1 %be.cond, label %loop, label %leave
24
25 leave:
26  ret void
27}
28