File: freeze-crash.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (24 lines) | stat: -rw-r--r-- 673 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: opt -loop-rotate -disable-output %s
; RUN: opt -passes=rotate -disable-output %s

; Make sure we don't crash on this test.
define void @foo(i32* %arg) {
bb:
  %tmp = load i32, i32* %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, i8* undef, i64 8
  br label %bb1
}