File: unreachable-predecessor.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (23 lines) | stat: -rw-r--r-- 549 bytes parent folder | download | duplicates (6) 
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 < %s -disable-output -passes='verify<cycles>,print<cycles>' 2>&1 | FileCheck %s
; CHECK-LABEL: CycleInfo for function: unreachable
; CHECK:    depth=1: entries(loop.body) loop.latch inner.block
define void @unreachable(i32 %n, i1 %arg) {
entry:
  br label %loop.body

loop.body:
  br label %inner.block

; This branch should not cause %inner.block to appear as an entry.
unreachable.block:
  br label %inner.block

inner.block:
  br i1 %arg, label %loop.exit, label %loop.latch

loop.latch:
  br label %loop.body

loop.exit:
  ret void
}