File: div-zero.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (12 lines) | stat: -rw-r--r-- 338 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
12
 
; 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
}