diff options
Diffstat (limited to 'test/CodeGen/BPF/intrinsics.ll')
| -rw-r--r-- | test/CodeGen/BPF/intrinsics.ll | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/test/CodeGen/BPF/intrinsics.ll b/test/CodeGen/BPF/intrinsics.ll index e0f050e..98b57de 100644 --- a/test/CodeGen/BPF/intrinsics.ll +++ b/test/CodeGen/BPF/intrinsics.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=bpf | FileCheck %s +; RUN: llc < %s -march=bpf -show-mc-encoding | FileCheck %s ; Function Attrs: nounwind uwtable define i32 @ld_b(i64 %foo, i64* nocapture %bar, i8* %ctx, i8* %ctx2) #0 { @@ -48,3 +48,41 @@ define i32 @ld_w(i8* %ctx, i8* %ctx2, i32 %foo) #0 { } declare i64 @llvm.bpf.load.word(i8*, i64) #1 + +define i32 @ld_pseudo() #0 { +entry: + %call = tail call i64 @llvm.bpf.pseudo(i64 2, i64 3) + tail call void @bar(i64 %call, i32 4) #2 + ret i32 0 +; CHECK-LABEL: ld_pseudo: +; CHECK: ld_pseudo r1, 2, 3 # encoding: [0x18,0x21,0x00,0x00,0x03,0x00 +} + +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 |