teak-llvm/llvm/test/Transforms/ConstProp/div-zero.ll
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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