aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/switch-order-weight.ll
blob: 0fdd56d4e1d3b8e5a8e68136b02a4d0600a4008b (plain)
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: test1:
; CHECK-NOT: unr
; CHECK: cmpl $10
; CHECK: bar
; CHECK: cmpl $20

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)