; RUN: opt < %s -instcombine -S | grep "ret i32 0" | |
; PR4424 | |
declare void @ext() | |
define i32 @foo(i32 %ptr) { | |
entry: | |
%zero = sub i32 %ptr, %ptr ; <i32> [#uses=1] | |
%div_zero = sdiv i32 %zero, ptrtoint (i32* getelementptr (i32, i32* null, | |
i32 1) to i32) ; <i32> [#uses=1] | |
ret i32 %div_zero | |
} | |