File: removed-use.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (54 lines) | stat: -rw-r--r-- 953 bytes parent folder | download | duplicates (12)
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
; RUN: opt -S < %s -passes=jump-threading | FileCheck %s
; CHECK-LABEL: @foo
; CHECK: bb6:
; CHECK-NEXT: ret void
; CHECK: bb3:
; CHECK: br label %bb3
define void @foo() {
entry:
  br i1 true, label %bb6, label %bb3

bb3:
  %x0 = phi i32 [ undef, %entry ], [ %x1, %bb5 ]
  %y  = and i64 undef, 1
  %p  = icmp ne i64 %y, 0
  br i1 %p, label %bb4, label %bb5

bb4:
  br label %bb5

bb5:
  %x1 = phi i32 [ %x0, %bb3 ], [ %x0, %bb4 ]
  %z  = phi i32 [ 0, %bb3 ], [ 1, %bb4 ]
  %q  = icmp eq i32 %z, 0
  br i1 %q, label %bb3, label %bb6

bb6:
  ret void
}

; CHECK-LABEL: @bar
; Just check that we don't crash on this test.
define void @bar(i1 %p) {
entry:
  br i1 false, label %bb2, label %exit

bb2:
  %x0 = phi i32 [ undef, %entry ], [ %x1, %bb5 ]
  br i1 %p, label %bb3, label %bb4

bb3:
  br label %bb5

bb4:
  br label %bb5

bb5:
  %x1 = phi i32 [ %x0, %bb3 ], [ 0, %bb4 ]
  switch i32 %x1, label %exit [
    i32 10, label %bb2
  ]

exit:
  ret void
}