1 ; RUN: llc < %s -march=bpfel | FileCheck %s
3 %struct.bpf_context = type { i64, i64, i64, i64, i64, i64, i64 }
4 %struct.sk_buff = type { i64, i64, i64, i64, i64, i64, i64 }
5 %struct.net_device = type { i64, i64, i64, i64, i64, i64, i64 }
7 @bpf_prog1.devname = private unnamed_addr constant [3 x i8] c"lo\00", align 1
8 @bpf_prog1.fmt = private unnamed_addr constant [15 x i8] c"skb %x dev %x\0A\00", align 1
10 ; Function Attrs: nounwind uwtable
11 define i32 @bpf_prog1(ptr nocapture %ctx) #0 section "events/net/netif_receive_skb" {
12 %devname = alloca [3 x i8], align 1
13 %fmt = alloca [15 x i8], align 1
14 %1 = getelementptr inbounds [3 x i8], ptr %devname, i64 0, i64 0
15 call void @llvm.memcpy.p0.p0.i64(ptr %1, ptr @bpf_prog1.devname, i64 3, i1 false)
16 %2 = getelementptr inbounds %struct.bpf_context, ptr %ctx, i64 0, i32 0
17 %3 = load i64, ptr %2, align 8
18 %4 = inttoptr i64 %3 to ptr
19 %5 = getelementptr inbounds %struct.sk_buff, ptr %4, i64 0, i32 2
20 %6 = bitcast ptr %5 to ptr
21 %7 = call ptr inttoptr (i64 4 to ptr)(ptr %6) #1
22 %8 = call i32 inttoptr (i64 9 to ptr)(ptr %7, ptr %1, i32 2) #1
23 %9 = icmp eq i32 %8, 0
24 br i1 %9, label %10, label %13
26 ; <label>:10 ; preds = %0
27 %11 = getelementptr inbounds [15 x i8], ptr %fmt, i64 0, i64 0
28 call void @llvm.memcpy.p0.p0.i64(ptr %11, ptr @bpf_prog1.fmt, i64 15, i1 false)
29 %12 = call i32 (ptr, i32, ...) inttoptr (i64 11 to ptr)(ptr %11, i32 15, ptr %4, ptr %7) #1
30 ; CHECK-LABEL: bpf_prog1:
34 ; CHECK: r1 = 622884453
35 ; CHECK: *(u32 *)(r10 - 16) = r1
36 ; CHECK: r1 = 7214898703899978611 ll
37 ; CHECK: *(u64 *)(r10 - 24) = r1
43 ; <label>:13 ; preds = %10, %0
47 ; Function Attrs: nounwind
48 declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) #1