File: div-zero.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (12 lines) | stat: -rw-r--r-- 343 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
 
; RUN: opt < %s -passes=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 (ptr getelementptr (i32, ptr null,
i32 1) to i32)             ; <i32> [#uses=1]
        ret i32 %div_zero
}