[ARM] Reduce code duplication by factoring out in a lambda. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298572 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMSelectionDAGInfo.cpp b/lib/Target/ARM/ARMSelectionDAGInfo.cpp
index 15b7838bae0235c2a44a4ecb66c6113cdc0e926e..33dcf9b8fef02dac43f2bae53d68134359ab53ea 100644 (file)
--- a/lib/Target/ARM/ARMSelectionDAGInfo.cpp
+++ b/lib/Target/ARM/ARMSelectionDAGInfo.cpp
@@ -198,17 +198,18 @@ SDValue ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(
     return Chain;
 
   // Issue loads / stores for the trailing (1 - 3) bytes.
+  auto getRemainingValueType = [](unsigned BytesLeft) {
+    return (BytesLeft >= 2) ? MVT::i16 : MVT::i8;
+  };
+  auto getRemainingSize = [](unsigned BytesLeft) {
+    return (BytesLeft >= 2) ? 2 : 1;
+  };
+
   unsigned BytesLeftSave = BytesLeft;
   i = 0;
   while (BytesLeft) {
-    if (BytesLeft >= 2) {
-      VT = MVT::i16;
-      VTSize = 2;
-    } else {
-      VT = MVT::i8;
-      VTSize = 1;
-    }
-
+    VT = getRemainingValueType(BytesLeft);
+    VTSize = getRemainingSize(BytesLeft);
     Loads[i] = DAG.getLoad(VT, dl, Chain,
                            DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
                                        DAG.getConstant(SrcOff, dl, MVT::i32)),
@@ -224,14 +225,8 @@ SDValue ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(
   i = 0;
   BytesLeft = BytesLeftSave;
   while (BytesLeft) {
-    if (BytesLeft >= 2) {
-      VT = MVT::i16;
-      VTSize = 2;
-    } else {
-      VT = MVT::i8;
-      VTSize = 1;
-    }
-
+    VT = getRemainingValueType(BytesLeft);
+    VTSize = getRemainingSize(BytesLeft);
     TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
                             DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
                                         DAG.getConstant(DstOff, dl, MVT::i32)),