File: freeze-crash.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 (23 lines) | stat: -rw-r--r-- 633 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
 
; RUN: opt -passes=loop-rotate -disable-output %s

; Make sure we don't crash on this test.
define void @foo(ptr %arg) {
bb:
  %tmp = load i32, ptr %arg, align 4
  br label %bb1

bb1:                                              ; preds = %bb7, %bb
  %tmp2 = phi i32 [ %tmp, %bb ], [ 1, %bb7 ]
  %tmp3 = sub i32 0, %tmp2
  %tmp4 = icmp ult i32 0, %tmp3
  %tmp5 = freeze i1 %tmp4
  br i1 %tmp5, label %bb7, label %bb6

bb6:                                              ; preds = %bb1
  ret void

bb7:                                              ; preds = %bb1
  %tmp8 = getelementptr inbounds i8, ptr undef, i64 8
  br label %bb1
}