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; If there's a call in the loop which dominates the backedge, we
; don't need a safepoint poll (since the callee must contain a
; poll test).
;; RUN: opt < %s -place-safepoints -S | FileCheck %s
declare void @foo()
define void @test1() gc "statepoint-example" {
; CHECK-LABEL: test1
entry:
; CHECK-LABEL: entry
; CHECK: call void @do_safepoint
br label %loop
loop:
; CHECK-LABEL: loop
; CHECK-NOT: call void @do_safepoint
call void @foo()
br label %loop
}
; This function is inlined when inserting a poll.
declare void @do_safepoint()
define void @gc.safepoint_poll() {
; CHECK-LABEL: gc.safepoint_poll
entry:
call void @do_safepoint()
ret void
}
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