1; RUN: llc < %s -march=bpfel -show-mc-encoding | FileCheck --check-prefix=CHECK-EL %s 2; RUN: llc < %s -march=bpfeb -show-mc-encoding | FileCheck --check-prefix=CHECK-EB %s 3 4; Function Attrs: nounwind uwtable 5define i32 @ld_b(i64 %foo, i64* nocapture %bar, i8* %ctx, i8* %ctx2) #0 { 6 %1 = tail call i64 @llvm.bpf.load.byte(i8* %ctx, i64 123) #2 7 %2 = add i64 %1, %foo 8 %3 = load volatile i64, i64* %bar, align 8 9 %4 = add i64 %2, %3 10 %5 = tail call i64 @llvm.bpf.load.byte(i8* %ctx2, i64 %foo) #2 11 %6 = add i64 %4, %5 12 %7 = load volatile i64, i64* %bar, align 8 13 %8 = add i64 %6, %7 14 %9 = trunc i64 %8 to i32 15 ret i32 %9 16; CHECK-LABEL: ld_b: 17; CHECK-EL: r0 = *(u8 *)skb[123] 18; CHECK-EL: r0 = *(u8 *)skb[r 19; CHECK-EB: r0 = *(u8 *)skb[123] 20; CHECK-EB: r0 = *(u8 *)skb[r 21} 22 23declare i64 @llvm.bpf.load.byte(i8*, i64) #1 24 25; Function Attrs: nounwind uwtable 26define i32 @ld_h(i8* %ctx, i8* %ctx2, i32 %foo) #0 { 27 %1 = tail call i64 @llvm.bpf.load.half(i8* %ctx, i64 123) #2 28 %2 = sext i32 %foo to i64 29 %3 = tail call i64 @llvm.bpf.load.half(i8* %ctx2, i64 %2) #2 30 %4 = add i64 %3, %1 31 %5 = trunc i64 %4 to i32 32 ret i32 %5 33; CHECK-LABEL: ld_h: 34; CHECK-EL: r0 = *(u16 *)skb[r 35; CHECK-EL: r0 = *(u16 *)skb[123] 36; CHECK-EB: r0 = *(u16 *)skb[r 37; CHECK-EB: r0 = *(u16 *)skb[123] 38} 39 40declare i64 @llvm.bpf.load.half(i8*, i64) #1 41 42; Function Attrs: nounwind uwtable 43define i32 @ld_w(i8* %ctx, i8* %ctx2, i32 %foo) #0 { 44 %1 = tail call i64 @llvm.bpf.load.word(i8* %ctx, i64 123) #2 45 %2 = sext i32 %foo to i64 46 %3 = tail call i64 @llvm.bpf.load.word(i8* %ctx2, i64 %2) #2 47 %4 = add i64 %3, %1 48 %5 = trunc i64 %4 to i32 49 ret i32 %5 50; CHECK-LABEL: ld_w: 51; CHECK-EL: r0 = *(u32 *)skb[r 52; CHECK-EL: r0 = *(u32 *)skb[123] 53; CHECK-EB: r0 = *(u32 *)skb[r 54; CHECK-EB: r0 = *(u32 *)skb[123] 55} 56 57declare i64 @llvm.bpf.load.word(i8*, i64) #1 58 59define i32 @ld_pseudo() #0 { 60entry: 61 %call = tail call i64 @llvm.bpf.pseudo(i64 2, i64 3) 62 tail call void inttoptr (i64 4 to void (i64, i32)*)(i64 %call, i32 4) #2 63 ret i32 0 64; CHECK-LABEL: ld_pseudo: 65; CHECK-EL: ld_pseudo r1, 2, 3 # encoding: [0x18,0x21,0x00,0x00,0x03,0x00,0x00,0x00 66; CHECK-EB: ld_pseudo r1, 2, 3 # encoding: [0x18,0x12,0x00,0x00,0x00,0x00,0x00,0x03 67} 68 69declare i64 @llvm.bpf.pseudo(i64, i64) #2 70 71define i32 @bswap(i64 %a, i64 %b, i64 %c) #0 { 72entry: 73 %0 = tail call i64 @llvm.bswap.i64(i64 %a) 74 %conv = trunc i64 %b to i32 75 %1 = tail call i32 @llvm.bswap.i32(i32 %conv) 76 %conv1 = zext i32 %1 to i64 77 %add = add i64 %conv1, %0 78 %conv2 = trunc i64 %c to i16 79 %2 = tail call i16 @llvm.bswap.i16(i16 %conv2) 80 %conv3 = zext i16 %2 to i64 81 %add4 = add i64 %add, %conv3 82 %conv5 = trunc i64 %add4 to i32 83 ret i32 %conv5 84; CHECK-LABEL: bswap: 85; CHECK-EL: r1 = be64 r1 # encoding: [0xdc,0x01,0x00,0x00,0x40,0x00,0x00,0x00] 86; CHECK-EL: r0 = be32 r0 # encoding: [0xdc,0x00,0x00,0x00,0x20,0x00,0x00,0x00] 87; CHECK-EL: r0 += r1 # encoding: [0x0f,0x10,0x00,0x00,0x00,0x00,0x00,0x00] 88; CHECK-EL: r3 = be16 r3 # encoding: [0xdc,0x03,0x00,0x00,0x10,0x00,0x00,0x00] 89; CHECK-EL: r0 += r3 # encoding: [0x0f,0x30,0x00,0x00,0x00,0x00,0x00,0x00] 90; CHECK-EB: r1 = le64 r1 # encoding: [0xd4,0x10,0x00,0x00,0x00,0x00,0x00,0x40] 91; CHECK-EB: r0 = le32 r0 # encoding: [0xd4,0x00,0x00,0x00,0x00,0x00,0x00,0x20] 92; CHECK-EB: r0 += r1 # encoding: [0x0f,0x01,0x00,0x00,0x00,0x00,0x00,0x00] 93; CHECK-EB: r3 = le16 r3 # encoding: [0xd4,0x30,0x00,0x00,0x00,0x00,0x00,0x10] 94; CHECK-EB: r0 += r3 # encoding: [0x0f,0x03,0x00,0x00,0x00,0x00,0x00,0x00] 95} 96 97declare i64 @llvm.bswap.i64(i64) #1 98declare i32 @llvm.bswap.i32(i32) #1 99declare i16 @llvm.bswap.i16(i16) #1 100