File: storepointer-no-null-opt.ll

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llvm-toolchain-9 1%3A9.0.1-16.1
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; RUN: opt < %s -globalopt -S | FileCheck %s

@G = internal global void ()* null              ; <void ()**> [#uses=2]
; CHECK: global

define internal void @Actual() {
; CHECK-LABEL: Actual(
        ret void
}

define void @init() {
; CHECK-LABEL: init(
; CHECK:  store void ()* @Actual, void ()** @G
        store void ()* @Actual, void ()** @G
        ret void
}

define void @doit() #0 {
; CHECK-LABEL: doit(
; CHECK: %FP = load void ()*, void ()** @G
; CHECK: call void %FP()
        %FP = load void ()*, void ()** @G         ; <void ()*> [#uses=1]
        call void %FP( )
        ret void
}

attributes #0 = { "null-pointer-is-valid"="true" }