Index: lib/Target/AMDGPU/SIInstrInfo.td
===================================================================
--- lib/Target/AMDGPU/SIInstrInfo.td
+++ lib/Target/AMDGPU/SIInstrInfo.td
@@ -667,6 +667,7 @@
       def _si : EXP_Helper<done>,
                 SIMCInstr <"exp"#!if(done, "_done", ""), SIEncodingFamily.SI>,
                 EXPe {
+        let AssemblerPredicates = [isSICI];
         let DecoderNamespace = "SICI";
         let DisableDecoder = DisableSIDecoder;
       }
@@ -674,6 +675,7 @@
       def _vi : EXP_Helper<done>,
                 SIMCInstr <"exp"#!if(done, "_done", ""), SIEncodingFamily.VI>,
                 EXPe_vi {
+        let AssemblerPredicates = [isVI];
         let DecoderNamespace = "VI";
         let DisableDecoder = DisableVIDecoder;
       }
Index: test/MC/AMDGPU/exp.s
===================================================================
--- test/MC/AMDGPU/exp.s
+++ test/MC/AMDGPU/exp.s
@@ -1,86 +1,114 @@
-// RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
-// RUN: llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
+// RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck -check-prefix=SI %s
+// RUN: llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s | FileCheck -check-prefix=VI %s
 
 exp mrt0 off, off, off, off
-// GCN: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
+// SI: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
+// VI: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xc4,0x00,0x00,0x00,0x00]
 
 exp mrt0 off, off, off, off done
-// GCN: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
+// SI: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
+// VI: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xc4,0x00,0x00,0x00,0x00]
 
 exp mrt0 v4, off, off, off done
-// GCN: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
+// SI: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
+// VI: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xc4,0x04,0x00,0x00,0x00]
 
 exp mrt0 off, v3, off, off done
-// GCN: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
+// SI: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
+// VI: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xc4,0x00,0x03,0x00,0x00]
 
 exp mrt0 off, off, v2, off done
-// GCN: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
+// SI: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
+// VI: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xc4,0x00,0x00,0x02,0x00]
 
 exp mrt0 off, off, off, v1 done
-// GCN: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
+// SI: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
+// VI: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xc4,0x00,0x00,0x00,0x01]
 
 exp mrt0 v4, v3, off, off done
-// GCN: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
+// SI: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
+// VI: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xc4,0x04,0x03,0x00,0x00]
 
 exp mrt0 v4, off, v2, off done
-// GCN: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
+// SI: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
+// VI: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xc4,0x04,0x00,0x02,0x00]
 
 exp mrt0 v4, off, off, v1
-// GCN: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
+// SI: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
+// VI: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xc4,0x04,0x00,0x00,0x01]
 
 exp mrt0 v4, off, off, v1 done
-// GCN: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
+// SI: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
+// VI: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xc4,0x04,0x00,0x00,0x01]
 
 exp mrt0 v4, v3, v2, v1
-// GCN: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp mrt0 v4, v3, v2, v1 done
-// GCN: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp mrt7 v1, v1, v1, v1
-// GCN: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
+// SI: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
+// VI: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xc4,0x01,0x01,0x01,0x01]
 
 exp mrt7 v1, v1, v1, v1 done
-// GCN: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
+// SI: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
+// VI: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xc4,0x01,0x01,0x01,0x01]
 
 exp mrtz v4, v3, v2, v1
-// GCN: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp mrtz v4, v3, v2, v1 done
-// GCN: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp null v4, v3, v2, v1
-// GCN: exp null v4, v3, v2, v1 ; encoding: [0x9f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp null v4, v3, v2, v1 ; encoding: [0x9f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp null v4, v3, v2, v1 ; encoding: [0x9f,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp null v4, v3, v2, v1 done
-// GCN: exp null v4, v3, v2, v1 done ; encoding: [0x9f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp null v4, v3, v2, v1 done ; encoding: [0x9f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp null v4, v3, v2, v1 done ; encoding: [0x9f,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp pos0 v4, v3, v2, v1
-// GCN: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp pos0 v4, v3, v2, v1 done
-// GCN: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp pos3 v4, v3, v2, v1
-// GCN: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp pos3 v4, v3, v2, v1 done
-// GCN: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp param0 v4, v3, v2, v1
-// GCN: exp param0 v4, v3, v2, v1 ; encoding: [0x0f,0x02,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp param0 v4, v3, v2, v1 ; encoding: [0x0f,0x02,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp param0 v4, v3, v2, v1 ; encoding: [0x0f,0x02,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp param0 v4, v3, v2, v1 done
-// GCN: exp param0 v4, v3, v2, v1 done ; encoding: [0x0f,0x0a,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp param0 v4, v3, v2, v1 done ; encoding: [0x0f,0x0a,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp param0 v4, v3, v2, v1 done ; encoding: [0x0f,0x0a,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp param31 v4, v3, v2, v1
-// GCN: exp param31 v4, v3, v2, v1 ; encoding: [0xff,0x03,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp param31 v4, v3, v2, v1 ; encoding: [0xff,0x03,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp param31 v4, v3, v2, v1 ; encoding: [0xff,0x03,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp param31 v4, v3, v2, v1 done
-// GCN: exp param31 v4, v3, v2, v1 done ; encoding: [0xff,0x0b,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp param31 v4, v3, v2, v1 done ; encoding: [0xff,0x0b,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp param31 v4, v3, v2, v1 done ; encoding: [0xff,0x0b,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp mrt0 v4, v3, v2, v1 vm
-// GCN: exp mrt0 v4, v3, v2, v1 vm ; encoding: [0x0f,0x10,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrt0 v4, v3, v2, v1 vm ; encoding: [0x0f,0x10,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrt0 v4, v3, v2, v1 vm ; encoding: [0x0f,0x10,0x00,0xc4,0x04,0x03,0x02,0x01]
 
 exp mrt0 v4, v3, v2, v1 done vm
-// GCN: exp mrt0 v4, v3, v2, v1 done vm ; encoding: [0x0f,0x18,0x00,0xf8,0x04,0x03,0x02,0x01]
+// SI: exp mrt0 v4, v3, v2, v1 done vm ; encoding: [0x0f,0x18,0x00,0xf8,0x04,0x03,0x02,0x01]
+// VI: exp mrt0 v4, v3, v2, v1 done vm ; encoding: [0x0f,0x18,0x00,0xc4,0x04,0x03,0x02,0x01]