File: unreachable-loop-pred.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (20 lines) | stat: -rw-r--r-- 620 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: opt -S -loopsimplify -disable-output -verify-loop-info -verify-dom-info < %s
; PR5235

; When loopsimplify inserts a preheader for this loop, it should add the new
; block to the enclosing loop and not get confused by the unreachable
; bogus loop entry.

define void @is_extract_cab() nounwind {
entry:
  br label %header

header:                                       ; preds = %if.end206, %cond.end66, %if.end23
  br label %while.body115

while.body115:                                    ; preds = %9, %if.end192, %if.end101
  br i1 undef, label %header, label %while.body115

foo:
  br label %while.body115
}