1; If there's a call in the loop which dominates the backedge, we
2; don't need a safepoint poll (since the callee must contain a
3; poll test).
4;; RUN: opt < %s -place-safepoints -S | FileCheck %s
5
6declare void @foo()
7
8define void @test1() gc "statepoint-example" {
9; CHECK-LABEL: test1
10
11entry:
12; CHECK-LABEL: entry
13; CHECK: call void @do_safepoint
14  br label %loop
15
16loop:
17; CHECK-LABEL: loop
18; CHECK-NOT: call void @do_safepoint
19  call void @foo()
20  br label %loop
21}
22
23; This function is inlined when inserting a poll.
24declare void @do_safepoint()
25define void @gc.safepoint_poll() {
26; CHECK-LABEL: gc.safepoint_poll
27entry:
28  call void @do_safepoint()
29  ret void
30}
31