File: values-at-scopes-consistency.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (30 lines) | stat: -rw-r--r-- 683 bytes parent folder | download | duplicates (4) 
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
28
29
30
 
; RUN: opt -S -passes='verify<scalar-evolution>' < %s

; Make sure this does not fail ValuesAtScopes consistency verification.
; This used to register a ValuesAtScopes user, even though nothing was
; added to ValuesAtScope due to a prior invalidation.

define void @main(i8* %p) {
entry:
  br label %loop1

loop1:
  br label %loop2

loop2:
  %i = phi i64 [ 0, %loop1 ], [ %i.next, %loop2.latch ]
  %i.next = add nuw nsw i64 %i, 1
  %gep = getelementptr i8, i8* %p, i64 %i
  %val = load i8, i8* %gep
  %c = icmp eq i8 %val, 0
  br i1 %c, label %loop2.latch, label %exit

loop2.latch:
  br i1 false, label %loop2, label %loop1.latch

loop1.latch:
  br label %loop1

exit:
  ret void
}