Index: lib/Target/AMDGPU/SIInstructions.td
===================================================================
--- lib/Target/AMDGPU/SIInstructions.td
+++ lib/Target/AMDGPU/SIInstructions.td
@@ -3404,6 +3404,23 @@
 defm : SI_INDIRECT_Pattern <v16i32, i32, "V16">;
 
 //===----------------------------------------------------------------------===//
+// SAD Patterns
+//===----------------------------------------------------------------------===//
+
+def : Pat <
+  (i32 (add (i32 (sub (i32 (umax i32:$src0, i32:$src1)),
+  (i32 (umin i32:$src0, i32:$src1)))), i32:$src2)),
+  (V_SAD_U32 $src0, $src1, $src2)
+>;
+
+def : Pat <
+  (i32 (add (i32 (select (i1 (setugt i32:$src0, i32:$src1)),
+  (i32 (sub i32:$src0, i32:$src1)), 
+  (i32 (sub i32:$src1, i32:$src0)))), i32:$src2)),
+  (V_SAD_U32 $src0, $src1, $src2)
+>;
+
+//===----------------------------------------------------------------------===//
 // Conversion Patterns
 //===----------------------------------------------------------------------===//
 
Index: test/CodeGen/AMDGPU/sad.ll
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/sad.ll
@@ -0,0 +1,33 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
+
+; GCN-LABEL: {{^}}v_sad_u32_pat1:
+; SI: v_sad_u32
+define void @v_sad_u32_pat1(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) nounwind {
+  %icmp0 = icmp ugt i32 %a, %b
+  %t0 = select i1 %icmp0, i32 %a, i32 %b
+
+  %icmp1 = icmp ule i32 %a, %b
+  %t1 = select i1 %icmp1, i32 %a, i32 %b
+
+  %ret0 = sub i32 %t0, %t1
+  %ret = add i32 %ret0, %c
+
+  store i32 %ret, i32 addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}v_sad_u32_pat2:
+; SI: v_sad_u32
+define void @v_sad_u32_pat2(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) nounwind {
+  %icmp0 = icmp ugt i32 %a, %b
+  %sub0 = sub i32 %a, %b
+  %sub1 = sub i32 %b, %a
+  %ret0 = select i1 %icmp0, i32 %sub0, i32 %sub1
+
+  %ret = add i32 %ret0, %c
+
+  store i32 %ret, i32 addrspace(1)* %out
+  ret void
+}
+
+