File: unreachable-use.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (27 lines) | stat: -rw-r--r-- 450 bytes parent folder | download | duplicates (3) 
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
 
; RUN: opt < %s -lcssa -S -verify-loop-info | grep "[%]tmp33 = load i1\*\* [%]tmp"
; PR6546

; LCSSA doesn't need to transform uses in blocks not reachable
; from the entry block.

define fastcc void @dfs() nounwind {
bb:
  br label %bb44

bb44:
  br i1 undef, label %bb7, label %bb45

bb7:
  %tmp = bitcast i1** undef to i1**
  br label %bb15

bb15:
  br label %bb44

bb32:
  %tmp33 = load i1** %tmp, align 8
  br label %bb45

bb45:
  unreachable
}