xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/taildup-branch-weight.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm-eabi -print-machineinstrs=tailduplication -tail-dup-size=100 \
2*9880d681SAndroid Build Coastguard Worker; RUN:      -enable-tail-merge=false -disable-cgp %s -o /dev/null 2>&1 \
3*9880d681SAndroid Build Coastguard Worker; RUN:	| FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: Machine code for function test0:
6*9880d681SAndroid Build Coastguard Worker; CHECK: Successors according to CFG: BB#1({{[0-9a-fx/= ]+}}3.12%) BB#2({{[0-9a-fx/= ]+}}96.88%)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @test0(i32 %a, i32 %b, i32* %c, i32* %d) {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* %d
11*9880d681SAndroid Build Coastguard Worker  br label %B1
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard WorkerB2:
14*9880d681SAndroid Build Coastguard Worker  store i32 2, i32* %c
15*9880d681SAndroid Build Coastguard Worker  br label %B4
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard WorkerB3:
18*9880d681SAndroid Build Coastguard Worker  store i32 2, i32* %c
19*9880d681SAndroid Build Coastguard Worker  br label %B4
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard WorkerB1:
22*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %d
23*9880d681SAndroid Build Coastguard Worker  %test0 = icmp slt i32 %a, %b
24*9880d681SAndroid Build Coastguard Worker  br i1 %test0, label %B2, label %B3, !prof !0
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard WorkerB4:
27*9880d681SAndroid Build Coastguard Worker  ret void
28*9880d681SAndroid Build Coastguard Worker}
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Worker!0 = !{!"branch_weights", i32 4, i32 124}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker; CHECK: Machine code for function test1:
33*9880d681SAndroid Build Coastguard Worker; CHECK: Successors according to CFG: BB#2(0x7c000000 / 0x80000000 = 96.88%) BB#1(0x04000000 / 0x80000000 = 3.12%)
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Worker@g0 = common global i32 0, align 4
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerdefine void @test1(i32 %a, i32 %b, i32* %c, i32* %d, i32* %e) {
38*9880d681SAndroid Build Coastguard Worker
39*9880d681SAndroid Build Coastguard Worker  %test0 = icmp slt i32 %a, %b
40*9880d681SAndroid Build Coastguard Worker  br i1 %test0, label %B1, label %B2, !prof !1
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard WorkerB1:
43*9880d681SAndroid Build Coastguard Worker  br label %B3
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard WorkerB2:
46*9880d681SAndroid Build Coastguard Worker  store i32 2, i32* %c
47*9880d681SAndroid Build Coastguard Worker  br label %B3
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard WorkerB3:
50*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* %e
51*9880d681SAndroid Build Coastguard Worker  ret void
52*9880d681SAndroid Build Coastguard Worker}
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Worker!1 = !{!"branch_weights", i32 248, i32 8}
55