Added missing patterns for UNPCKH* and PUNPCKH*.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37172 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 1d454aa67b32d7a54ecc1e71c9a6eff35c9b961c..8e64f7b1687557b7059e15d887e29444abcd5294 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -170,6 +170,10 @@ def UNPCKL_v_undef_shuffle_mask : PatLeaf<(build_vector), [{
   return X86::isUNPCKL_v_undef_Mask(N);
 }]>;
 
+def UNPCKH_v_undef_shuffle_mask : PatLeaf<(build_vector), [{
+  return X86::isUNPCKH_v_undef_Mask(N);
+}]>;
+
 def PSHUFD_shuffle_mask : PatLeaf<(build_vector), [{
   return X86::isPSHUFDMask(N);
 }], SHUFFLE_get_shuf_imm>;
@@ -2266,6 +2270,22 @@ def : Pat<(v4i32 (vector_shuffle VR128:$src, (undef),
           (PUNPCKLDQrr VR128:$src, VR128:$src)>, Requires<[HasSSE1]>;
 }
 
+// vector_shuffle v1, <undef>, <2, 2, 3, 3, ...>
+let AddedComplexity = 10 in {
+def : Pat<(v4f32 (vector_shuffle VR128:$src, (undef),
+                  UNPCKH_v_undef_shuffle_mask)),
+          (UNPCKHPSrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
+def : Pat<(v16i8 (vector_shuffle VR128:$src, (undef),
+                  UNPCKH_v_undef_shuffle_mask)),
+          (PUNPCKHBWrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
+def : Pat<(v8i16 (vector_shuffle VR128:$src, (undef),
+                  UNPCKH_v_undef_shuffle_mask)),
+          (PUNPCKHWDrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
+def : Pat<(v4i32 (vector_shuffle VR128:$src, (undef),
+                  UNPCKH_v_undef_shuffle_mask)),
+          (PUNPCKHDQrr VR128:$src, VR128:$src)>, Requires<[HasSSE1]>;
+}
+
 let AddedComplexity = 15 in {
 // vector_shuffle v1, v2 <0, 1, 4, 5> using MOVLHPS
 def : Pat<(v4i32 (vector_shuffle VR128:$src1, VR128:$src2,