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
|
; RUN: llc -mtriple=arm-eabi -print-machineinstrs=tailduplication -tail-dup-size=100 \
; RUN: -enable-tail-merge=false -disable-cgp %s -o /dev/null 2>&1 \
; RUN: | FileCheck %s
; CHECK: Machine code for function test0:
; CHECK: Successors according to CFG: BB#1(4) BB#2(124)
define void @test0(i32 %a, i32 %b, i32* %c, i32* %d) {
entry:
store i32 3, i32* %d
br label %B1
B2:
store i32 2, i32* %c
br label %B4
B3:
store i32 2, i32* %c
br label %B4
B1:
store i32 1, i32* %d
%test0 = icmp slt i32 %a, %b
br i1 %test0, label %B2, label %B3, !prof !0
B4:
ret void
}
!0 = !{!"branch_weights", i32 4, i32 124}
; CHECK: Machine code for function test1:
; CHECK: Successors according to CFG: BB#1(8) BB#2(248)
@g0 = common global i32 0, align 4
define void @test1(i32 %a, i32 %b, i32* %c, i32* %d, i32* %e) {
%test0 = icmp slt i32 %a, %b
br i1 %test0, label %B1, label %B2, !prof !1
B1:
br label %B3
B2:
store i32 2, i32* %c
br label %B3
B3:
store i32 3, i32* %e
ret void
}
!1 = !{!"branch_weights", i32 248, i32 8}
|