[DAGCombiner] Various nits. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369520 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 2d2bd94eee0efe6e962a7973a6f48e4d37053e51..2672f2021018d16de2eccab270b031ecd02f4b07 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -12418,9 +12418,8 @@ SDValue DAGCombiner::visitFDIV(SDNode *N) {
     // If this FDIV is part of a reciprocal square root, it may be folded
     // into a target-specific square root estimate instruction.
     if (N1.getOpcode() == ISD::FSQRT) {
-      if (SDValue RV = buildRsqrtEstimate(N1.getOperand(0), Flags)) {
+      if (SDValue RV = buildRsqrtEstimate(N1.getOperand(0), Flags))
         return DAG.getNode(ISD::FMUL, DL, VT, N0, RV, Flags);
-      }
     } else if (N1.getOpcode() == ISD::FP_EXTEND &&
                N1.getOperand(0).getOpcode() == ISD::FSQRT) {
       if (SDValue RV = buildRsqrtEstimate(N1.getOperand(0).getOperand(0),
@@ -16076,9 +16075,8 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
     // See if we can simplify the input to this truncstore with knowledge that
     // only the low bits are being used.  For example:
     // "truncstore (or (shl x, 8), y), i8"  -> "truncstore y, i8"
-    SDValue Shorter = DAG.GetDemandedBits(Value, TruncDemandedBits);
     AddToWorklist(Value.getNode());
-    if (Shorter)
+    if (SDValue Shorter = DAG.GetDemandedBits(Value, TruncDemandedBits))
       return DAG.getTruncStore(Chain, SDLoc(N), Shorter, Ptr, ST->getMemoryVT(),
                                ST->getMemOperand());