xref: /aosp_15_r20/external/llvm/test/CodeGen/BPF/ex1.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=bpfel | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker%struct.bpf_context = type { i64, i64, i64, i64, i64, i64, i64 }
4*9880d681SAndroid Build Coastguard Worker%struct.sk_buff = type { i64, i64, i64, i64, i64, i64, i64 }
5*9880d681SAndroid Build Coastguard Worker%struct.net_device = type { i64, i64, i64, i64, i64, i64, i64 }
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker@bpf_prog1.devname = private unnamed_addr constant [3 x i8] c"lo\00", align 1
8*9880d681SAndroid Build Coastguard Worker@bpf_prog1.fmt = private unnamed_addr constant [15 x i8] c"skb %x dev %x\0A\00", align 1
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind uwtable
11*9880d681SAndroid Build Coastguard Workerdefine i32 @bpf_prog1(%struct.bpf_context* nocapture %ctx) #0 section "events/net/netif_receive_skb" {
12*9880d681SAndroid Build Coastguard Worker  %devname = alloca [3 x i8], align 1
13*9880d681SAndroid Build Coastguard Worker  %fmt = alloca [15 x i8], align 1
14*9880d681SAndroid Build Coastguard Worker  %1 = getelementptr inbounds [3 x i8], [3 x i8]* %devname, i64 0, i64 0
15*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @bpf_prog1.devname, i64 0, i64 0), i64 3, i32 1, i1 false)
16*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr inbounds %struct.bpf_context, %struct.bpf_context* %ctx, i64 0, i32 0
17*9880d681SAndroid Build Coastguard Worker  %3 = load i64, i64* %2, align 8
18*9880d681SAndroid Build Coastguard Worker  %4 = inttoptr i64 %3 to %struct.sk_buff*
19*9880d681SAndroid Build Coastguard Worker  %5 = getelementptr inbounds %struct.sk_buff, %struct.sk_buff* %4, i64 0, i32 2
20*9880d681SAndroid Build Coastguard Worker  %6 = bitcast i64* %5 to i8*
21*9880d681SAndroid Build Coastguard Worker  %7 = call i8* inttoptr (i64 4 to i8* (i8*)*)(i8* %6) #1
22*9880d681SAndroid Build Coastguard Worker  %8 = call i32 inttoptr (i64 9 to i32 (i8*, i8*, i32)*)(i8* %7, i8* %1, i32 2) #1
23*9880d681SAndroid Build Coastguard Worker  %9 = icmp eq i32 %8, 0
24*9880d681SAndroid Build Coastguard Worker  br i1 %9, label %10, label %13
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker; <label>:10                                      ; preds = %0
27*9880d681SAndroid Build Coastguard Worker  %11 = getelementptr inbounds [15 x i8], [15 x i8]* %fmt, i64 0, i64 0
28*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %11, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @bpf_prog1.fmt, i64 0, i64 0), i64 15, i32 1, i1 false)
29*9880d681SAndroid Build Coastguard Worker  %12 = call i32 (i8*, i32, ...) inttoptr (i64 11 to i32 (i8*, i32, ...)*)(i8* %11, i32 15, %struct.sk_buff* %4, i8* %7) #1
30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: bpf_prog1:
31*9880d681SAndroid Build Coastguard Worker; CHECK: call 4
32*9880d681SAndroid Build Coastguard Worker; CHECK: call 9
33*9880d681SAndroid Build Coastguard Worker; CHECK: jnei r0, 0
34*9880d681SAndroid Build Coastguard Worker; CHECK: mov r1, 622884453
35*9880d681SAndroid Build Coastguard Worker; CHECK: ld_64 r1, 7214898703899978611
36*9880d681SAndroid Build Coastguard Worker; CHECK: call 11
37*9880d681SAndroid Build Coastguard Worker; CHECK: mov r0, 0
38*9880d681SAndroid Build Coastguard Worker; CHECK: ret
39*9880d681SAndroid Build Coastguard Worker  br label %13
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Worker; <label>:13                                      ; preds = %10, %0
42*9880d681SAndroid Build Coastguard Worker  ret i32 0
43*9880d681SAndroid Build Coastguard Worker}
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
46*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #1
47