File: pr62908.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (30 lines) | stat: -rw-r--r-- 646 bytes parent folder | download | duplicates (8) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -passes=jump-threading < %s | FileCheck %s

; Make sure this does not crash due to conflicting known bits.

define i32 @test() {
; CHECK-LABEL: define i32 @test() {
; CHECK-NEXT:  end:
; CHECK-NEXT:    ret i32 0
;
entry:
  br label %join

unreachable:
  %sh_prom = zext i32 -1 to i64
  %shl = shl nsw i64 -1, %sh_prom
  %conv = trunc i64 %shl to i32
  br label %join

join:
  %phi = phi i32 [ %conv, %unreachable ], [ 0, %entry ]
  %cmp = icmp eq i32 %phi, 0
  br i1 %cmp, label %end, label %if

if:
  br label %end

end:
  ret i32 0
}