diff options
Diffstat (limited to 'llvm/test/CodeGen/BPF/intrinsics.ll')
| -rw-r--r-- | llvm/test/CodeGen/BPF/intrinsics.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/BPF/intrinsics.ll b/llvm/test/CodeGen/BPF/intrinsics.ll index 01ba4c770da..98b57deb7c8 100644 --- a/llvm/test/CodeGen/BPF/intrinsics.ll +++ b/llvm/test/CodeGen/BPF/intrinsics.ll @@ -61,3 +61,28 @@ entry: declare void @bar(i64, i32) #1 declare i64 @llvm.bpf.pseudo(i64, i64) #2 + +define i32 @bswap(i64 %a, i64 %b, i64 %c) #0 { +entry: + %0 = tail call i64 @llvm.bswap.i64(i64 %a) + %conv = trunc i64 %b to i32 + %1 = tail call i32 @llvm.bswap.i32(i32 %conv) + %conv1 = zext i32 %1 to i64 + %add = add i64 %conv1, %0 + %conv2 = trunc i64 %c to i16 + %2 = tail call i16 @llvm.bswap.i16(i16 %conv2) + %conv3 = zext i16 %2 to i64 + %add4 = add i64 %add, %conv3 + %conv5 = trunc i64 %add4 to i32 + ret i32 %conv5 +; CHECK-LABEL: bswap: +; CHECK: bswap64 r1 # encoding: [0xdc,0x01,0x00,0x00,0x40,0x00,0x00,0x00] +; CHECK: bswap32 r2 # encoding: [0xdc,0x02,0x00,0x00,0x20,0x00,0x00,0x00] +; CHECK: add r2, r1 # encoding: [0x0f,0x12,0x00,0x00,0x00,0x00,0x00,0x00] +; CHECK: bswap16 r3 # encoding: [0xdc,0x03,0x00,0x00,0x10,0x00,0x00,0x00] +; CHECK: add r2, r3 # encoding: [0x0f,0x32,0x00,0x00,0x00,0x00,0x00,0x00] +} + +declare i64 @llvm.bswap.i64(i64) #1 +declare i32 @llvm.bswap.i32(i32) #1 +declare i16 @llvm.bswap.i16(i16) #1 |
