File: udiv-invariant-but-traps.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (32 lines) | stat: -rw-r--r-- 522 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
; RUN: opt -passes=indvars -S < %s | FileCheck %s

@b = common global i32 0, align 4

define i32 @foo(i32 %x, i1 %y) {
bb0:
  br label %bb1

bb1:
  br i1 %y, label %bb14, label %bb8

bb8:
  %i = phi i64 [ %i.next, %bb8 ], [ 0, %bb1 ]
  %i.next = add i64 %i, 1
  %div = udiv i32 1, %x
  %c = icmp eq i64 %i.next, 6
  br i1 %c, label %bb11, label %bb8

bb11:
  br i1 %y, label %bb1, label %bb13

bb13:
  store i32 %div, ptr @b, align 4
  br label %bb14

bb14:
  ret i32 0
}

; CHECK-LABEL: @foo(
; CHECK: bb8:
; CHECK: udiv