[llvm] r254139 - [X86] Strengthen the type constraints on X86psadbw and X86dbpsadbw to reduce some of the type checks in the isel matching tables.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Thu Nov 26 01:02:21 2015
New Revision: 254139

URL: http://llvm.org/viewvc/llvm-project?rev=254139&view=rev
Log:
[X86] Strengthen the type constraints on X86psadbw and X86dbpsadbw to reduce some of the type checks in the isel matching tables.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td

Modified: llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td?rev=254139&r1=254138&r2=254139&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td Thu Nov 26 01:02:21 2015
@@ -79,10 +79,14 @@ def X86pshufb  : SDNode<"X86ISD::PSHUFB"
                  SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisSameAs<0,1>,
                                       SDTCisSameAs<0,2>]>>;
 def X86psadbw  : SDNode<"X86ISD::PSADBW",
-                 SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisVec<1>,
+                 SDTypeProfile<1, 2, [SDTCVecEltisVT<0, i64>,
+                                      SDTCVecEltisVT<1, i8>,
+                                      SDTCisSameSizeAs<0,1>,
                                       SDTCisSameAs<1,2>]>>;
 def X86dbpsadbw : SDNode<"X86ISD::DBPSADBW",
-                  SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisVec<1>,
+                  SDTypeProfile<1, 3, [SDTCVecEltisVT<0, i16>,
+                                       SDTCVecEltisVT<1, i8>,
+                                       SDTCisSameSizeAs<0,1>,
                                        SDTCisSameAs<1,2>, SDTCisInt<3>]>>;
 def X86andnp   : SDNode<"X86ISD::ANDNP",
                  SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisSameAs<0,1>,