[APInt] Move APInt::getSplat out of line.

I think this method is probably too complex to be inlined.

llvm-svn: 301901

llvm/include/llvm/ADT/APInt.h

@@ -617,15 +617,7 @@ public:
   }
 
   /// \brief Return a value containing V broadcasted over NewLen bits.
-  static APInt getSplat(unsigned NewLen, const APInt &V) {
-    assert(NewLen >= V.getBitWidth() && "Can't splat to smaller bit width!");
-
-    APInt Val = V.zextOrSelf(NewLen);
-    for (unsigned I = V.getBitWidth(); I < NewLen; I <<= 1)
-      Val |= Val << I;
-
-    return Val;
-  }
+  static APInt getSplat(unsigned NewLen, const APInt &V);
 
   /// \brief Determine if two APInts have the same value, after zero-extending
   /// one of them (if needed!) to ensure that the bit-widths match.

llvm/lib/Support/APInt.cpp

@@ -609,6 +609,17 @@ APInt APInt::getLoBits(unsigned numBits) const {
   return Result;
 }
 
+/// Return a value containing V broadcasted over NewLen bits.
+APInt APInt::getSplat(unsigned NewLen, const APInt &V) {
+  assert(NewLen >= V.getBitWidth() && "Can't splat to smaller bit width!");
+
+  APInt Val = V.zextOrSelf(NewLen);
+  for (unsigned I = V.getBitWidth(); I < NewLen; I <<= 1)
+    Val |= Val << I;
+
+  return Val;
+}
+
 unsigned APInt::countLeadingZerosSlowCase() const {
   unsigned Count = 0;
   for (int i = getNumWords()-1; i >= 0; --i) {