File: pr37808.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (40 lines) | stat: -rw-r--r-- 634 bytes parent folder | download | duplicates (16) 
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
 
; RUN: opt < %s -passes=gvn-hoist -S | FileCheck %s

define void @func() {
; CHECK-LABEL: @func()
; CHECK:       bb6:
; CHECK:         store i64 0, ptr undef, align 8
; CHECK:       bb7:
; CHECK-NOT:     store i64 0, ptr undef, align 8
; CHECK:       bb8:
; CHECK-NOT:     store i64 0, ptr undef, align 8

entry:
  br label %bb1

bb1:
  br label %bb2

bb2:
  br label %bb3

bb3:
  br i1 undef, label %bb4, label %bb2

bb4:
  br i1 undef, label %bb5, label %bb3

bb5:
  br label %bb6

bb6:
  br i1 undef, label %bb7, label %bb8

bb7:
  store i64 0, ptr undef, align 8
  unreachable

bb8:
  store i64 0, ptr undef, align 8
  ret void
}