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
|
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s --match-full-lines
; RUN: verify-uselistorder %s
define i32 @test1(i32 %X) {
; Implicit entry label. Not printed on output.
%1 = alloca i32
br label %2
; Implicit label ids still allowed.
br label %3
3: ; Explicit numeric label
br label %"2"
"2": ; string label, quoted number
br label %-3
-3: ; numeric-looking, but actually string, label
br label %-N-
-N-:
br label %$N
$N:
%4 = add i32 1, 1
ret i32 %4
}
; CHECK-LABEL: define i32 @test1(i32 %X) {
; CHECK-NEXT: %1 = alloca i32, align 4
; CHECK-NEXT: br label %2
; CHECK: 2: ; preds = %0
; CHECK-NEXT: br label %3
; CHECK: 3: ; preds = %2
; CHECK-NEXT: br label %"2"
; CHECK: "2": ; preds = %3
; CHECK-NEXT: br label %-3
; CHECK: -3: ; preds = %"2"
; CHECK-NEXT: br label %-N-
; CHECK: -N-: ; preds = %-3
; CHECK-NEXT: br label %"$N"
; CHECK: "$N": ; preds = %-N-
; CHECK-NEXT: %4 = add i32 1, 1
; CHECK-NEXT: ret i32 %4
; CHECK-NEXT: }
define void @test2(i32 %0, i32 %1) {
; entry label id still not printed on output
2:
ret void
}
; CHECK-LABEL: define void @test2(i32 %0, i32 %1) {
; CHECK-NEXT: ret void
|
