File: switch-order-weight.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (37 lines) | stat: -rw-r--r-- 696 bytes parent folder | download | duplicates (33) 
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
 
; RUN: llc -mtriple=x86_64-apple-darwin11 < %s | FileCheck %s

; Check that the cases which lead to unreachable are checked after "10"

define void @test1(i32 %x) nounwind uwtable ssp {
entry:
  switch i32 %x, label %if.end7 [
    i32 0, label %if.then
    i32 10, label %if.then2
    i32 20, label %if.then5
  ]

; CHECK-LABEL: test1:
; CHECK-NOT: unr
; CHECK: cmpl $10
; CHECK: cmpl $20
; CHECK: bar

if.then:
  tail call void @unr(i32 23) noreturn nounwind
  unreachable

if.then2:
  tail call void @bar(i32 42) nounwind
  br label %if.end7

if.then5:
  tail call void @unr(i32 5) noreturn nounwind
  unreachable

if.end7:
  ret void
}

declare void @unr(i32) noreturn

declare void @bar(i32)