--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/MC/AMDGPU/flat-scratch.s	Tue Jan 26 22:53:40 2016 +0900
@@ -0,0 +1,33 @@
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s 2>&1 | FileCheck -check-prefix=SI -check-prefix=GCN %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=hawaii -show-encoding %s | FileCheck -check-prefix=CI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s  | FileCheck -check-prefix=VI %s
+
+// Add a different RUN line for the failing checks, because when stderr and stdout are mixed the
+// order things are printed is not deterministic.
+// RUN: not llvm-mc -arch=amdgcn -mcpu=hawaii -show-encoding %s 2>&1 | FileCheck -check-prefix=GCN %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s 2>&1 | FileCheck -check-prefix=GCN %s
+
+s_mov_b64 flat_scratch, -1
+// SI: error: invalid operand for instruction
+// CI: s_mov_b64 flat_scratch, -1 ; encoding: [0xc1,0x04,0xe8,0xbe]
+// VI: s_mov_b64 flat_scratch, -1 ; encoding: [0xc1,0x01,0xe6,0xbe]
+
+s_mov_b32 flat_scratch_lo, -1
+// SI: error: invalid operand for instruction
+// CI: s_mov_b32 flat_scratch_lo, -1 ; encoding: [0xc1,0x03,0xe8,0xbe]
+// VI: s_mov_b32 flat_scratch_lo, -1 ; encoding: [0xc1,0x00,0xe6,0xbe]
+
+s_mov_b32 flat_scratch_hi, -1
+// SI: error: invalid operand for instruction
+// CI: s_mov_b32 flat_scratch_hi, -1 ; encoding: [0xc1,0x03,0xe9,0xbe]
+// VI: s_mov_b32 flat_scratch_hi, -1 ; encoding: [0xc1,0x00,0xe7,0xbe]
+
+
+s_mov_b64 flat_scratch_lo, -1
+// GCN: error: invalid operand for instruction
+
+s_mov_b64 flat_scratch_hi, -1
+// GCN: error: invalid operand for instruction
+
+s_mov_b32 flat_scratch, -1
+// GCN: error: invalid operand for instruction