diff --git a/lib/Target/R600/AMDGPUInstrInfo.cpp b/lib/Target/R600/AMDGPUInstrInfo.cpp
index 8d3f740c3c5..bb7f97ff11d 100644
--- a/lib/Target/R600/AMDGPUInstrInfo.cpp
+++ b/lib/Target/R600/AMDGPUInstrInfo.cpp
@@ -244,3 +244,12 @@ void AMDGPUInstrInfo::convertToISA(MachineInstr & MI, MachineFunction &MF,
     }
   }
 }
+
+int AMDGPUInstrInfo::getMaskedMIMGOp(uint16_t Opcode, unsigned Channels) const {
+  switch (Channels) {
+  default: return Opcode;
+  case 1: return AMDGPU::getMaskedMIMGOp(Opcode, AMDGPU::Channels_1);
+  case 2: return AMDGPU::getMaskedMIMGOp(Opcode, AMDGPU::Channels_2);
+  case 3: return AMDGPU::getMaskedMIMGOp(Opcode, AMDGPU::Channels_3);
+  }
+}
diff --git a/lib/Target/R600/AMDGPUInstrInfo.h b/lib/Target/R600/AMDGPUInstrInfo.h
index 306f467bc4b..4651859a178 100644
--- a/lib/Target/R600/AMDGPUInstrInfo.h
+++ b/lib/Target/R600/AMDGPUInstrInfo.h
@@ -197,6 +197,9 @@ public:
   virtual void convertToISA(MachineInstr & MI, MachineFunction &MF,
     DebugLoc DL) const;
 
+  /// \brief Given a MIMG \p Opcode that writes all 4 channels, return the
+  /// equivalent opcode that writes \p Channels Channels.
+  int getMaskedMIMGOp(uint16_t Opcode, unsigned Channels) const;
 };
 
 namespace AMDGPU {
diff --git a/lib/Target/R600/SIISelLowering.cpp b/lib/Target/R600/SIISelLowering.cpp
index 21747537b23..fb21f6e860c 100644
--- a/lib/Target/R600/SIISelLowering.cpp
+++ b/lib/Target/R600/SIISelLowering.cpp
@@ -1162,6 +1162,8 @@ void SITargetLowering::AdjustInstrPostInstrSelection(MachineInstr *MI,
   case 3:  RC = &AMDGPU::VReg_96RegClass; break;
   }
 
+  unsigned NewOpcode = TII->getMaskedMIMGOp(MI->getOpcode(), BitsSet);
+  MI->setDesc(TII->get(NewOpcode));
   MachineRegisterInfo &MRI = MI->getParent()->getParent()->getRegInfo();
   MRI.setRegClass(VReg, RC);
 }
diff --git a/lib/Target/R600/SIInstrInfo.td b/lib/Target/R600/SIInstrInfo.td
index e7d70f420cb..ed42a2ad954 100644
--- a/lib/Target/R600/SIInstrInfo.td
+++ b/lib/Target/R600/SIInstrInfo.td
@@ -472,10 +472,16 @@ class MTBUF_Load_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF
   let mayStore = 0;
 }
 
+class MIMG_Mask <string op, int channels> {
+  string Op = op;
+  int Channels = channels;
+}
+
 class MIMG_NoSampler_Helper <bits<7> op, string asm,
+                             RegisterClass dst_rc,
                              RegisterClass src_rc> : MIMG <
   op,
-  (outs VReg_128:$vdata),
+  (outs dst_rc:$vdata),
   (ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
        i1imm:$tfe, i1imm:$lwe, i1imm:$slc, src_rc:$vaddr,
        SReg_256:$srsrc),
@@ -488,16 +494,29 @@ class MIMG_NoSampler_Helper <bits<7> op, string asm,
   let hasPostISelHook = 1;
 }
 
+multiclass MIMG_NoSampler_Src_Helper <bits<7> op, string asm,
+                                      RegisterClass dst_rc,
+                                      int channels> {
+  def _V1 : MIMG_NoSampler_Helper <op, asm, dst_rc, VReg_32>,
+            MIMG_Mask<asm#"_V1", channels>;
+  def _V2 : MIMG_NoSampler_Helper <op, asm, dst_rc, VReg_64>,
+            MIMG_Mask<asm#"_V2", channels>;
+  def _V4 : MIMG_NoSampler_Helper <op, asm, dst_rc, VReg_128>,
+            MIMG_Mask<asm#"_V4", channels>;
+}
+
 multiclass MIMG_NoSampler <bits<7> op, string asm> {
-  def _V1 : MIMG_NoSampler_Helper <op, asm, VReg_32>;
-  def _V2 : MIMG_NoSampler_Helper <op, asm, VReg_64>;
-  def _V4 : MIMG_NoSampler_Helper <op, asm, VReg_128>;
+  defm _V1 : MIMG_NoSampler_Src_Helper <op, asm, VReg_32, 1>;
+  defm _V2 : MIMG_NoSampler_Src_Helper <op, asm, VReg_64, 2>;
+  defm _V3 : MIMG_NoSampler_Src_Helper <op, asm, VReg_96, 3>;
+  defm _V4 : MIMG_NoSampler_Src_Helper <op, asm, VReg_128, 4>;
 }
 
 class MIMG_Sampler_Helper <bits<7> op, string asm,
+                           RegisterClass dst_rc,
                            RegisterClass src_rc> : MIMG <
   op,
-  (outs VReg_128:$vdata),
+  (outs dst_rc:$vdata),
   (ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
        i1imm:$tfe, i1imm:$lwe, i1imm:$slc, src_rc:$vaddr,
        SReg_256:$srsrc, SReg_128:$ssamp),
@@ -509,12 +528,26 @@ class MIMG_Sampler_Helper <bits<7> op, string asm,
   let hasPostISelHook = 1;
 }
 
+multiclass MIMG_Sampler_Src_Helper <bits<7> op, string asm,
+                                    RegisterClass dst_rc,
+                                    int channels> {
+  def _V1 : MIMG_Sampler_Helper <op, asm, dst_rc, VReg_32>,
+            MIMG_Mask<asm#"_V1", channels>;
+  def _V2 : MIMG_Sampler_Helper <op, asm, dst_rc, VReg_64>,
+            MIMG_Mask<asm#"_V2", channels>;
+  def _V4 : MIMG_Sampler_Helper <op, asm, dst_rc, VReg_128>,
+            MIMG_Mask<asm#"_V4", channels>;
+  def _V8 : MIMG_Sampler_Helper <op, asm, dst_rc, VReg_256>,
+            MIMG_Mask<asm#"_V8", channels>;
+  def _V16 : MIMG_Sampler_Helper <op, asm, dst_rc, VReg_512>,
+            MIMG_Mask<asm#"_V16", channels>;
+}
+
 multiclass MIMG_Sampler <bits<7> op, string asm> {
-  def _V1 : MIMG_Sampler_Helper <op, asm, VReg_32>;
-  def _V2 : MIMG_Sampler_Helper <op, asm, VReg_64>;
-  def _V4 : MIMG_Sampler_Helper <op, asm, VReg_128>;
-  def _V8 : MIMG_Sampler_Helper <op, asm, VReg_256>;
-  def _V16 : MIMG_Sampler_Helper <op, asm, VReg_512>;
+  defm _V1 : MIMG_Sampler_Src_Helper<op, asm, VReg_32, 1>;
+  defm _V2 : MIMG_Sampler_Src_Helper<op, asm, VReg_64, 2>;
+  defm _V3 : MIMG_Sampler_Src_Helper<op, asm, VReg_96, 3>;
+  defm _V4 : MIMG_Sampler_Src_Helper<op, asm, VReg_128, 4>;
 }
 
 //===----------------------------------------------------------------------===//
@@ -539,6 +572,14 @@ def getCommuteRev : InstrMapping {
   let ValueCols = [["0"]];
 }
 
+def getMaskedMIMGOp : InstrMapping {
+  let FilterClass = "MIMG_Mask";
+  let RowFields = ["Op"];
+  let ColFields = ["Channels"];
+  let KeyCol = ["4"];
+  let ValueCols = [["1"], ["2"], ["3"] ];
+}
+
 // Maps an commuted opcode to its original version
 def getCommuteOrig : InstrMapping {
   let FilterClass = "VOP2_REV";
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 99fedcb95a4..d9cf1e5c571 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -524,7 +524,7 @@ defm IMAGE_LOAD_MIP : MIMG_NoSampler <0x00000001, "IMAGE_LOAD_MIP">;
 //def IMAGE_STORE_MIP : MIMG_NoPattern_ <"IMAGE_STORE_MIP", 0x00000009>;
 //def IMAGE_STORE_PCK : MIMG_NoPattern_ <"IMAGE_STORE_PCK", 0x0000000a>;
 //def IMAGE_STORE_MIP_PCK : MIMG_NoPattern_ <"IMAGE_STORE_MIP_PCK", 0x0000000b>;
-def IMAGE_GET_RESINFO : MIMG_NoSampler_Helper <0x0000000e, "IMAGE_GET_RESINFO", VReg_32>;
+defm IMAGE_GET_RESINFO : MIMG_NoSampler <0x0000000e, "IMAGE_GET_RESINFO">;
 //def IMAGE_ATOMIC_SWAP : MIMG_NoPattern_ <"IMAGE_ATOMIC_SWAP", 0x0000000f>;
 //def IMAGE_ATOMIC_CMPSWAP : MIMG_NoPattern_ <"IMAGE_ATOMIC_CMPSWAP", 0x00000010>;
 //def IMAGE_ATOMIC_ADD : MIMG_NoPattern_ <"IMAGE_ATOMIC_ADD", 0x00000011>;
@@ -1343,7 +1343,7 @@ def : Pat <
 /* SIsample for simple 1D texture lookup */
 def : Pat <
   (SIsample i32:$addr, v32i8:$rsrc, i128:$sampler, imm),
-  (IMAGE_SAMPLE_V1 0xf, 0, 0, 0, 0, 0, 0, 0, $addr, $rsrc, $sampler)
+  (IMAGE_SAMPLE_V4_V1 0xf, 0, 0, 0, 0, 0, 0, 0, $addr, $rsrc, $sampler)
 >;
 
 class SamplePattern<SDNode name, MIMG opcode, ValueType vt> : Pat <
@@ -1399,25 +1399,25 @@ MIMG sample_d, MIMG sample_c_d, ValueType addr_type> {
   def : SampleShadowArrayPattern <SIsampled, sample_c_d, addr_type>;
 }
 
-defm : SamplePatterns<IMAGE_SAMPLE_V2, IMAGE_SAMPLE_C_V2,
-                      IMAGE_SAMPLE_L_V2, IMAGE_SAMPLE_C_L_V2,
-                      IMAGE_SAMPLE_B_V2, IMAGE_SAMPLE_C_B_V2,
-                      IMAGE_SAMPLE_D_V2, IMAGE_SAMPLE_C_D_V2,
+defm : SamplePatterns<IMAGE_SAMPLE_V4_V2, IMAGE_SAMPLE_C_V4_V2,
+                      IMAGE_SAMPLE_L_V4_V2, IMAGE_SAMPLE_C_L_V4_V2,
+                      IMAGE_SAMPLE_B_V4_V2, IMAGE_SAMPLE_C_B_V4_V2,
+                      IMAGE_SAMPLE_D_V4_V2, IMAGE_SAMPLE_C_D_V4_V2,
                       v2i32>;
-defm : SamplePatterns<IMAGE_SAMPLE_V4, IMAGE_SAMPLE_C_V4,
-                      IMAGE_SAMPLE_L_V4, IMAGE_SAMPLE_C_L_V4,
-                      IMAGE_SAMPLE_B_V4, IMAGE_SAMPLE_C_B_V4,
-                      IMAGE_SAMPLE_D_V4, IMAGE_SAMPLE_C_D_V4,
+defm : SamplePatterns<IMAGE_SAMPLE_V4_V4, IMAGE_SAMPLE_C_V4_V4,
+                      IMAGE_SAMPLE_L_V4_V4, IMAGE_SAMPLE_C_L_V4_V4,
+                      IMAGE_SAMPLE_B_V4_V4, IMAGE_SAMPLE_C_B_V4_V4,
+                      IMAGE_SAMPLE_D_V4_V4, IMAGE_SAMPLE_C_D_V4_V4,
                       v4i32>;
-defm : SamplePatterns<IMAGE_SAMPLE_V8, IMAGE_SAMPLE_C_V8,
-                      IMAGE_SAMPLE_L_V8, IMAGE_SAMPLE_C_L_V8,
-                      IMAGE_SAMPLE_B_V8, IMAGE_SAMPLE_C_B_V8,
-                      IMAGE_SAMPLE_D_V8, IMAGE_SAMPLE_C_D_V8,
+defm : SamplePatterns<IMAGE_SAMPLE_V4_V8, IMAGE_SAMPLE_C_V4_V8,
+                      IMAGE_SAMPLE_L_V4_V8, IMAGE_SAMPLE_C_L_V4_V8,
+                      IMAGE_SAMPLE_B_V4_V8, IMAGE_SAMPLE_C_B_V4_V8,
+                      IMAGE_SAMPLE_D_V4_V8, IMAGE_SAMPLE_C_D_V4_V8,
                       v8i32>;
-defm : SamplePatterns<IMAGE_SAMPLE_V16, IMAGE_SAMPLE_C_V16,
-                      IMAGE_SAMPLE_L_V16, IMAGE_SAMPLE_C_L_V16,
-                      IMAGE_SAMPLE_B_V16, IMAGE_SAMPLE_C_B_V16,
-                      IMAGE_SAMPLE_D_V16, IMAGE_SAMPLE_C_D_V16,
+defm : SamplePatterns<IMAGE_SAMPLE_V4_V16, IMAGE_SAMPLE_C_V4_V16,
+                      IMAGE_SAMPLE_L_V4_V16, IMAGE_SAMPLE_C_L_V4_V16,
+                      IMAGE_SAMPLE_B_V4_V16, IMAGE_SAMPLE_C_B_V4_V16,
+                      IMAGE_SAMPLE_D_V4_V16, IMAGE_SAMPLE_C_D_V4_V16,
                       v16i32>;
 
 /* int_SI_imageload for texture fetches consuming varying address parameters */
@@ -1451,26 +1451,26 @@ multiclass ImageLoadMSAAPatterns<MIMG opcode, ValueType addr_type> {
   def : ImageLoadArrayMSAAPattern <int_SI_imageload, opcode, addr_type>;
 }
 
-defm : ImageLoadPatterns<IMAGE_LOAD_MIP_V2, v2i32>;
-defm : ImageLoadPatterns<IMAGE_LOAD_MIP_V4, v4i32>;
+defm : ImageLoadPatterns<IMAGE_LOAD_MIP_V4_V2, v2i32>;
+defm : ImageLoadPatterns<IMAGE_LOAD_MIP_V4_V4, v4i32>;
 
-defm : ImageLoadMSAAPatterns<IMAGE_LOAD_V2, v2i32>;
-defm : ImageLoadMSAAPatterns<IMAGE_LOAD_V4, v4i32>;
+defm : ImageLoadMSAAPatterns<IMAGE_LOAD_V4_V2, v2i32>;
+defm : ImageLoadMSAAPatterns<IMAGE_LOAD_V4_V4, v4i32>;
 
 /* Image resource information */
 def : Pat <
   (int_SI_resinfo i32:$mipid, v32i8:$rsrc, imm),
-  (IMAGE_GET_RESINFO 0xf, 0, 0, 0, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
+  (IMAGE_GET_RESINFO_V4_V1 0xf, 0, 0, 0, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
 >;
 
 def : Pat <
   (int_SI_resinfo i32:$mipid, v32i8:$rsrc, TEX_ARRAY),
-  (IMAGE_GET_RESINFO 0xf, 0, 0, 1, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
+  (IMAGE_GET_RESINFO_V4_V1 0xf, 0, 0, 1, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
 >;
 
 def : Pat <
   (int_SI_resinfo i32:$mipid, v32i8:$rsrc, TEX_ARRAY_MSAA),
-  (IMAGE_GET_RESINFO 0xf, 0, 0, 1, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
+  (IMAGE_GET_RESINFO_V4_V1 0xf, 0, 0, 1, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
 >;
 
 /********** ============================================ **********/