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: statepoint
14  br label %loop
15
16loop:
17; CHECK-LABEL: loop
18; CHECK: @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @foo
19; CHECK-NOT: statepoint
20  call void @foo()
21  br label %loop
22}
23
24; This function is inlined when inserting a poll.
25declare void @do_safepoint()
26define void @gc.safepoint_poll() {
27; CHECK-LABEL: gc.safepoint_poll
28entry:
29  call void @do_safepoint()
30  ret void
31}
32