1 files changed, 38 insertions, 0 deletions
diff --git a/test/MC/AArch64/arm64-bitfield-encoding.s b/test/MC/AArch64/arm64-bitfield-encoding.s
new file mode 100644
index 000000000000..1589aa7139f4
--- /dev/null
+++ b/test/MC/AArch64/arm64-bitfield-encoding.s
@@ -0,0 +1,38 @@
+; RUN: llvm-mc -triple arm64-apple-darwin -show-encoding < %s | FileCheck %s
+
+foo:
+;==---------------------------------------------------------------------------==
+; 5.4.4 Bitfield Operations
+;==---------------------------------------------------------------------------==
+
+  bfm  w1, w2, #1, #15
+  bfm  x1, x2, #1, #15
+  sbfm w1, w2, #1, #15
+  sbfm x1, x2, #1, #15
+  ubfm w1, w2, #1, #15
+  ubfm x1, x2, #1, #15
+  sbfiz wzr, w0, #31, #1
+  sbfiz xzr, x0, #31, #1
+  ubfiz wzr, w0, #31, #1
+  ubfiz xzr, x0, #31, #1
+
+; CHECK: bfxil w1, w2, #1, #15       ; encoding: [0x41,0x3c,0x01,0x33]
+; CHECK: bfxil x1, x2, #1, #15       ; encoding: [0x41,0x3c,0x41,0xb3]
+; CHECK: sbfx w1, w2, #1, #15        ; encoding: [0x41,0x3c,0x01,0x13]
+; CHECK: sbfx x1, x2, #1, #15        ; encoding: [0x41,0x3c,0x41,0x93]
+; CHECK: ubfx w1, w2, #1, #15        ; encoding: [0x41,0x3c,0x01,0x53]
+; CHECK: ubfx x1, x2, #1, #15        ; encoding: [0x41,0x3c,0x41,0xd3]
+; CHECK: sbfiz wzr, w0, #31, #1      ; encoding: [0x1f,0x00,0x01,0x13]
+; CHECK: sbfiz xzr, x0, #31, #1      ; encoding: [0x1f,0x00,0x61,0x93]
+; CHECK: lsl  wzr, w0, #31           ; encoding: [0x1f,0x00,0x01,0x53]
+; CHECK: ubfiz xzr, x0, #31, #1      ; encoding: [0x1f,0x00,0x61,0xd3]
+
+;==---------------------------------------------------------------------------==
+; 5.4.5 Extract (immediate)
+;==---------------------------------------------------------------------------==
+
+  extr w1, w2, w3, #15
+  extr x2, x3, x4, #1
+
+; CHECK: extr w1, w2, w3, #15        ; encoding: [0x41,0x3c,0x83,0x13]
+; CHECK: extr x2, x3, x4, #1         ; encoding: [0x62,0x04,0xc4,0x93]