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; RUN: opt < %s -globalopt -S | FileCheck %s
@a = internal global i64* null, align 8
; CHECK: @a
; PR13968
define void @qux_no_null_opt() nounwind #0 {
; CHECK-LABEL: @qux_no_null_opt(
; CHECK: getelementptr i64*, i64** @a, i32 1
; CHECK: store i64* inttoptr (i64 1 to i64*), i64** @a
%b = bitcast i64** @a to i8*
%g = getelementptr i64*, i64** @a, i32 1
%cmp = icmp ne i8* null, %b
%cmp2 = icmp eq i8* null, %b
%cmp3 = icmp eq i64** null, %g
store i64* inttoptr (i64 1 to i64*), i64** @a, align 8
%l = load i64*, i64** @a, align 8
ret void
}
define i64* @bar() {
%X = load i64*, i64** @a, align 8
ret i64* %X
; CHECK-LABEL: @bar(
; CHECK: load
}
attributes #0 = { "null-pointer-is-valid"="true" }
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