1; RUN: llc < %s -mtriple=bpfel -mcpu=v1 | FileCheck %s 2 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 } 6 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 9 10; Function Attrs: nounwind uwtable 11define 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 25 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: 31; CHECK: call 4 32; CHECK: call 9 33; CHECK: if r0 != 0 34; CHECK: r1 = 622884453 35; CHECK: *(u32 *)(r10 - 16) = r1 36; CHECK: r1 = 7214898703899978611 ll 37; CHECK: *(u64 *)(r10 - 24) = r1 38; CHECK: call 11 39; CHECK: r0 = 0 40; CHECK: exit 41 br label %13 42 43; <label>:13 ; preds = %10, %0 44 ret i32 0 45} 46 47; Function Attrs: nounwind 48declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) #1 49