From: Craig Topper <craig.topper@gmail.com>
Date: Thu, 26 Nov 2015 07:02:21 +0000 (+0000)
Subject: [X86] Strengthen the type constraints on X86psadbw and X86dbpsadbw to reduce some... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=c11aea8b65d3f6d0f6296843c8685d31edf1c1e4

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254139 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrFragmentsSIMD.td b/lib/Target/X86/X86InstrFragmentsSIMD.td
index ab2f62c34fd..66c32ce6280 100644
--- a/lib/Target/X86/X86InstrFragmentsSIMD.td
+++ b/lib/Target/X86/X86InstrFragmentsSIMD.td
@@ -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>,