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
55
56
57
58
59
60
|
; RUN: llc < %s -relocation-model static | FileCheck %s
; FIXME: Remove '-relocation-model static' when it is no longer necessary to
; trigger the separate .rdata section.
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.24215"
define void @f(i32 %x) {
entry:
switch i32 %x, label %sw.epilog [
i32 0, label %sw.bb
i32 1, label %sw.bb1
i32 2, label %sw.bb2
i32 3, label %sw.bb3
]
sw.bb: ; preds = %entry
tail call void @g(i32 0) #2
br label %sw.epilog
sw.bb1: ; preds = %entry
tail call void @g(i32 1) #2
br label %sw.epilog
sw.bb2: ; preds = %entry
tail call void @g(i32 2) #2
br label %sw.epilog
sw.bb3: ; preds = %entry
tail call void @g(i32 3) #2
br label %sw.epilog
sw.epilog: ; preds = %entry, %sw.bb3, %sw.bb2, %sw.bb1, %sw.bb
tail call void @g(i32 10) #2
ret void
}
declare void @g(i32)
; CHECK: .text
; CHECK: f:
; CHECK: .seh_proc f
; CHECK: jmpq *.LJTI0_0
; CHECK: .LBB0_{{.*}}: # %sw.bb
; CHECK: .LBB0_{{.*}}: # %sw.bb1
; CHECK: .LBB0_{{.*}}: # %sw.bb2
; CHECK: .LBB0_{{.*}}: # %sw.bb3
; CHECK: callq g
; CHECK: jmp g # TAILCALL
; CHECK: .section .rdata,"dr"
; CHECK: .quad .LBB0_
; CHECK: .quad .LBB0_
; CHECK: .quad .LBB0_
; CHECK: .quad .LBB0_
; CHECK: .seh_handlerdata
; It's important that we switch back to .text here, not .rdata.
; CHECK: .text
; CHECK: .seh_endproc
|
