blob: 37737bb0dcd57738edc295ef34171d9dcd7020dd [file] [log] [blame]
; RUN: opt -jump-threading -S %s -o - | FileCheck %s
define i32 @f(i64* %a, i64 %i) {
store i64 0, i64* %a, align 8
%p = getelementptr i64, i64* %a, i64 %i
%c = icmp eq i64* %p, null
; `%a` is non-null at the end of the block, because we store through it.
; However, `%p` is derived from `%a` via a GEP that is not `inbounds`, therefore we cannot judge `%p` is non-null as well
; and must retain the `icmp` instruction.
; CHECK: %c = icmp eq i64* %p, null
br i1 %c, label %if.else, label %if.then
ret i32 0
ret i32 1