[X86][SSE] Reorder shuffle mask undef helper predicates. NFCI

To make it easier for a more complex helper to use a simpler one

llvm-svn: 278216

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 3f25cb1..a5c50a3 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -4202,6 +4202,16 @@ bool X86TargetLowering::hasAndNotCompare(SDValue Y) const {
   return true;
 }
 
+/// Val is either less than zero (undef) or equal to the specified value.
+static bool isUndefOrEqual(int Val, int CmpVal) {
+  return (Val < 0 || Val == CmpVal);
+}
+
+/// Val is either the undef or zero sentinel value.
+static bool isUndefOrZero(int Val) {
+  return (Val == SM_SentinelUndef || Val == SM_SentinelZero);
+}
+
 /// Return true if every element in Mask, beginning
 /// from position Pos and ending in Pos+Size is undef.
 static bool isUndefInRange(ArrayRef<int> Mask, unsigned Pos, unsigned Size) {
@@ -4227,16 +4237,6 @@ static bool isUndefOrInRange(ArrayRef<int> Mask,
   return true;
 }
 
-/// Val is either less than zero (undef) or equal to the specified value.
-static bool isUndefOrEqual(int Val, int CmpVal) {
-  return (Val < 0 || Val == CmpVal);
-}
-
-/// Val is either the undef or zero sentinel value.
-static bool isUndefOrZero(int Val) {
-  return (Val == SM_SentinelUndef || Val == SM_SentinelZero);
-}
-
 /// Return true if every element in Mask, beginning
 /// from position Pos and ending in Pos+Size, falls within the specified
 /// sequential range (Low, Low+Size]. or is undef.