Index: lib/Target/AMDGPU/SOPInstructions.td
===================================================================
--- lib/Target/AMDGPU/SOPInstructions.td
+++ lib/Target/AMDGPU/SOPInstructions.td
@@ -255,6 +255,17 @@
 }
 }
 
+let SubtargetPredicate = isGFX9 in {
+  let hasSideEffects = 1, Defs = [EXEC, SCC], Uses = [EXEC] in {
+    def S_ANDN1_SAVEEXEC_B64 : SOP1_64<"s_andn1_saveexec_b64">;
+    def S_ORN1_SAVEEXEC_B64  : SOP1_64<"s_orn1_saveexec_b64">;
+    def S_ANDN1_WREXEC_B64   : SOP1_64<"s_andn1_wrexec_b64">;
+    def S_ANDN2_WREXEC_B64   : SOP1_64<"s_andn2_wrexec_b64">;
+  } // End hasSideEffects = 1, Defs = [EXEC, SCC], Uses = [EXEC]
+
+  def S_BITREPLICATE_B64_B32 : SOP1_64_32<"s_bitreplicate_b64_b32">;
+} // End SubtargetPredicate = isGFX9
+
 //===----------------------------------------------------------------------===//
 // SOP2 Instructions
 //===----------------------------------------------------------------------===//
@@ -1314,3 +1325,13 @@
 //def S_GETREG_REGRD_B32_vi  : SOPK_Real_vi <0x13, S_GETREG_REGRD_B32>; // see pseudo for comments
 def S_SETREG_IMM32_B32_vi  : SOPK_Real64<0x14, S_SETREG_IMM32_B32>,
                              Select_vi<S_SETREG_IMM32_B32.Mnemonic>;
+
+//===----------------------------------------------------------------------===//
+// SOP1 - GFX9.
+//===----------------------------------------------------------------------===//
+
+def S_ANDN1_SAVEEXEC_B64_vi   : SOP1_Real_vi<0x33, S_ANDN1_SAVEEXEC_B64>;
+def S_ORN1_SAVEEXEC_B64_vi    : SOP1_Real_vi<0x34, S_ORN1_SAVEEXEC_B64>;
+def S_ANDN1_WREXEC_B64_vi     : SOP1_Real_vi<0x35, S_ANDN1_WREXEC_B64>;
+def S_ANDN2_WREXEC_B64_vi     : SOP1_Real_vi<0x36, S_ANDN2_WREXEC_B64>;
+def S_BITREPLICATE_B64_B32_vi : SOP1_Real_vi<0x37, S_BITREPLICATE_B64_B32>;
Index: test/MC/AMDGPU/sop1.s
===================================================================
--- test/MC/AMDGPU/sop1.s
+++ test/MC/AMDGPU/sop1.s
@@ -1,7 +1,9 @@
 // RUN: not llvm-mc -arch=amdgcn -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=SICI %s
-// RUN: not llvm-mc -arch=amdgcn -show-encoding %s 2>&1 | FileCheck --check-prefix=NOSICI %s
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s 2>&1 | FileCheck --check-prefix=NOSICI --check-prefix=NOSICIVI %s
 // RUN: not llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=VI %s
-// RUN: not llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s 2>&1 | FileCheck --check-prefix=NOVI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s 2>&1 | FileCheck --check-prefix=NOVI --check-prefix=NOSICIVI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s 2>&1 | FileCheck --check-prefix=GCN --check-prefix=VI --check-prefix=GFX9 %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s 2>&1 | FileCheck --check-prefix=NOGFX89 %s
 
 s_mov_b32 s1, s2
 // SICI: s_mov_b32 s1, s2 ; encoding: [0x02,0x03,0x81,0xbe]
@@ -43,7 +45,7 @@
 
 s_mov_b64 s[102:103], -1
 // SICI: s_mov_b64 s[102:103], -1 ; encoding: [0xc1,0x04,0xe6,0xbe]
-// NOVI: error: not a valid operand
+// NOGFX89: error: not a valid operand
 
 s_cmov_b32 s1, 200
 // SICI: s_cmov_b32 s1, 0xc8 ; encoding: [0xff,0x05,0x81,0xbe,0xc8,0x00,0x00,0x00]
@@ -238,11 +240,11 @@
 
 s_cbranch_join 1
 // NOSICI: error: invalid operand for instruction
-// NOVI: error: invalid operand for instruction
+// NOGFX89: error: invalid operand for instruction
 
 s_cbranch_join 100
 // NOSICI: error: invalid operand for instruction
-// NOVI: error: invalid operand for instruction
+// NOGFX89: error: invalid operand for instruction
 
 s_abs_i32 s1, s2
 // SICI: s_abs_i32 s1, s2 ; encoding: [0x02,0x34,0x81,0xbe]
@@ -254,3 +256,43 @@
 s_set_gpr_idx_idx s0
 // VI: s_set_gpr_idx_idx s0 ; encoding: [0x00,0x32,0x80,0xbe]
 // NOSICI: error: instruction not supported on this GPU
+
+s_andn1_saveexec_b64 s[100:101], s[2:3]
+// GFX9:     s_andn1_saveexec_b64 s[100:101], s[2:3] ; encoding: [0x02,0x33,0xe4,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_andn1_saveexec_b64 s[10:11], s[4:5]
+// GFX9:     s_andn1_saveexec_b64 s[10:11], s[4:5] ; encoding: [0x04,0x33,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_andn1_saveexec_b64 s[10:11], -1
+// GFX9:     s_andn1_saveexec_b64 s[10:11], -1 ; encoding: [0xc1,0x33,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_andn1_saveexec_b64 s[10:11], 0xaf123456
+// GFX9:     s_andn1_saveexec_b64 s[10:11], 0xaf123456 ; encoding: [0xff,0x33,0x8a,0xbe,0x56,0x34,0x12,0xaf]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_andn1_wrexec_b64 s[10:11], s[2:3]
+// GFX9:     s_andn1_wrexec_b64 s[10:11], s[2:3] ; encoding: [0x02,0x35,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_andn2_wrexec_b64 s[12:13], s[2:3]
+// GFX9:     s_andn2_wrexec_b64 s[12:13], s[2:3] ; encoding: [0x02,0x36,0x8c,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_orn1_saveexec_b64 s[10:11], 0
+// GFX9:     s_orn1_saveexec_b64 s[10:11], 0 ; encoding: [0x80,0x34,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_bitreplicate_b64_b32 s[10:11], s101
+// GFX9:     s_bitreplicate_b64_b32 s[10:11], s101 ; encoding: [0x65,0x37,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_bitreplicate_b64_b32 s[10:11], -1
+// GFX9:     s_bitreplicate_b64_b32 s[10:11], -1 ; encoding: [0xc1,0x37,0x8a,0xbe]
+// NOSICIVI: error: instruction not supported on this GPU
+
+s_bitreplicate_b64_b32 s[10:11], 0x3f717273
+// GFX9:     s_bitreplicate_b64_b32 s[10:11], 0x3f717273 ; encoding: [0xff,0x37,0x8a,0xbe,0x73,0x72,0x71,0x3f]
+// NOSICIVI: error: instruction not supported on this GPU
Index: test/MC/Disassembler/AMDGPU/sop1_gfx9.txt
===================================================================
--- /dev/null
+++ test/MC/Disassembler/AMDGPU/sop1_gfx9.txt
@@ -0,0 +1,34 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx900 -disassemble -show-encoding < %s | FileCheck %s --check-prefix=GFX9
+
+# GFX9: s_andn1_saveexec_b64 s[10:11], s[2:3] ; encoding: [0x02,0x33,0x8a,0xbe]
+0x02,0x33,0x8a,0xbe
+
+# GFX9: s_andn1_saveexec_b64 s[10:11], 0 ; encoding: [0x80,0x33,0x8a,0xbe]
+0x80,0x33,0x8a,0xbe
+
+# GFX9: s_andn1_wrexec_b64 s[100:101], s[2:3] ; encoding: [0x02,0x35,0xe4,0xbe]
+0x02,0x35,0xe4,0xbe
+
+# GFX9: s_andn1_wrexec_b64 s[10:11], 0xaf123456 ; encoding: [0xff,0x35,0x8a,0xbe,0x56,0x34,0x12,0xaf]
+0xff,0x35,0x8a,0xbe,0x56,0x34,0x12,0xaf
+
+# GFX9: s_andn2_wrexec_b64 s[10:11], s[100:101] ; encoding: [0x64,0x36,0x8a,0xbe]
+0x64,0x36,0x8a,0xbe
+
+# GFX9: s_andn2_wrexec_b64 s[10:11], -1 ; encoding: [0xc1,0x36,0x8a,0xbe]
+0xc1,0x36,0x8a,0xbe
+
+# GFX9: s_orn1_saveexec_b64 s[10:11], -1 ; encoding: [0xc1,0x34,0x8a,0xbe]
+0xc1,0x34,0x8a,0xbe
+
+# GFX9: s_orn1_saveexec_b64 s[10:11], 0x3f717273 ; encoding: [0xff,0x34,0x8a,0xbe,0x73,0x72,0x71,0x3f]
+0xff,0x34,0x8a,0xbe,0x73,0x72,0x71,0x3f
+
+# GFX9: s_bitreplicate_b64_b32 s[10:11], s101 ; encoding: [0x65,0x37,0x8a,0xbe]
+0x65,0x37,0x8a,0xbe
+
+# GFX9: s_bitreplicate_b64_b32 s[10:11], 0 ; encoding: [0x80,0x37,0x8a,0xbe]
+0x80,0x37,0x8a,0xbe
+
+# GFX9: s_bitreplicate_b64_b32 s[10:11], 0xaf123456 ; encoding: [0xff,0x37,0x8a,0xbe,0x56,0x34,0x12,0xaf]
+0xff,0x37,0x8a,0xbe,0x56,0x34,0x12,0xaf