forked from OSchip/llvm-project
44 lines
2.1 KiB
LLVM
44 lines
2.1 KiB
LLVM
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; RUN: llc -march=bpfel -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
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%struct.bpf_context = type { i64, i64, i64, i64, i64, i64, i64 }
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%struct.sk_buff = type { i64, i64, i64, i64, i64, i64, i64 }
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%struct.net_device = type { i64, i64, i64, i64, i64, i64, i64 }
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@bpf_prog1.devname = private unnamed_addr constant [3 x i8] c"lo\00", align 1
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@bpf_prog1.fmt = private unnamed_addr constant [15 x i8] c"skb %x dev %x\0A\00", align 1
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; Function Attrs: norecurse
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define i32 @bpf_prog1(%struct.bpf_context* nocapture %ctx) #0 section "events/net/netif_receive_skb" {
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%devname = alloca [3 x i8], align 1
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%fmt = alloca [15 x i8], align 1
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%1 = getelementptr inbounds [3 x i8], [3 x i8]* %devname, i64 0, i64 0
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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)
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%2 = getelementptr inbounds %struct.bpf_context, %struct.bpf_context* %ctx, i64 0, i32 0
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%3 = load i64, i64* %2, align 8
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%4 = inttoptr i64 %3 to %struct.sk_buff*
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%5 = getelementptr inbounds %struct.sk_buff, %struct.sk_buff* %4, i64 0, i32 2
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%6 = bitcast i64* %5 to i8*
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%7 = call i8* inttoptr (i64 4 to i8* (i8*)*)(i8* %6) #1
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%8 = call i32 inttoptr (i64 9 to i32 (i8*, i8*, i32)*)(i8* %7, i8* %1, i32 2) #1
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%9 = icmp eq i32 %8, 0
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br i1 %9, label %10, label %13
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; <label>:10 ; preds = %0
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%11 = getelementptr inbounds [15 x i8], [15 x i8]* %fmt, i64 0, i64 0
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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)
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%12 = call i32 (i8*, i32, ...) inttoptr (i64 11 to i32 (i8*, i32, ...)*)(i8* %11, i32 15, %struct.sk_buff* %4, i8* %7) #1
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br label %13
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; <label>:13 ; preds = %10, %0
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ret i32 0
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; CHECK-RELOC: file format ELF64-BPF
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; CHECK-RELOC: RELOCATION RECORDS FOR [.rel.eh_frame]:
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; CHECK-RELOC: R_BPF_64_64 events/net/netif_receive_skb
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}
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #1
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attributes #0 = { norecurse }
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