Added more insertps optimizations

[oota-llvm.git] / lib / Target / X86 / X86InstrSSE.td

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index ac28d07cc683abd764c7bce66655c7249bc8f6a7..1eb04851b721719623e0b89c170bd708e8ec7d6a 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -6550,6 +6550,29 @@ let ExeDomain = SSEPackedSingle in {
     defm INSERTPS : SS41I_insertf32<0x21, "insertps", 1, SSE_INSERT_ITINS>;
 }
 
+let Predicates = [UseSSE41] in {
+  // If we're inserting an element from a load or a null pshuf of a load,
+  // fold the load into the insertps instruction.
+  def : Pat<(v4f32 (X86insertps (v4f32 VR128:$src1), (X86PShufd (v4f32
+                       (scalar_to_vector (loadf32 addr:$src2))), (i8 0)),
+                   imm:$src3)),
+            (INSERTPSrm VR128:$src1, addr:$src2, imm:$src3)>;
+  def : Pat<(v4f32 (X86insertps (v4f32 VR128:$src1), (X86PShufd
+                      (loadv4f32 addr:$src2), (i8 0)), imm:$src3)),
+            (INSERTPSrm VR128:$src1, addr:$src2, imm:$src3)>;
+}
+
+let Predicates = [UseAVX] in {
+  // If we're inserting an element from a vbroadcast of a load, fold the
+  // load into the X86insertps instruction.
+  def : Pat<(v4f32 (X86insertps (v4f32 VR128:$src1),
+                (X86VBroadcast (loadf32 addr:$src2)), imm:$src3)),
+            (VINSERTPSrm VR128:$src1, addr:$src2, imm:$src3)>;
+  def : Pat<(v4f32 (X86insertps (v4f32 VR128:$src1),
+                (X86VBroadcast (loadv4f32 addr:$src2)), imm:$src3)),
+            (VINSERTPSrm VR128:$src1, addr:$src2, imm:$src3)>;
+}
+
 //===----------------------------------------------------------------------===//
 // SSE4.1 - Round Instructions
 //===----------------------------------------------------------------------===//