13 lines
333 B
LLVM
13 lines
333 B
LLVM
|
; 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* null,
|
||
|
|
i32 1) to i32) ; <i32> [#uses=1]
|
||
|
|
ret i32 %div_zero
|
||
|
|
}
|
||
|
|
|