From 7c7bc722ecdeec365074cac4bdb9e2679c02177f Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Tue, 23 Dec 2008 23:47:22 +0000 Subject: [PATCH] Change comments so everybody can understand them, hopefully. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61405 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index fe293742562..bc3117cf0c9 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1025,7 +1025,7 @@ SDValue DAGCombiner::visitADD(SDNode *N) { return DAG.getNode(ISD::SUB, VT, N1.getOperand(0), N1.getOperand(1).getOperand(0)); } - // fold (A+((B-A)+-C)) to (B+-C) + // fold (A+((B-A)+or-C)) to (B+or-C) if ((N1.getOpcode() == ISD::SUB || N1.getOpcode() == ISD::ADD) && N1.getOperand(0).getOpcode() == ISD::SUB && N0 == N1.getOperand(0).getOperand(1)) { @@ -1178,7 +1178,7 @@ SDValue DAGCombiner::visitSUB(SDNode *N) { // fold (A+B)-B -> A if (N0.getOpcode() == ISD::ADD && N0.getOperand(1) == N1) return N0.getOperand(0); - // fold ((A+(B+-C))-B) -> A+-C + // fold ((A+(B+or-C))-B) -> A+or-C if (N0.getOpcode() == ISD::ADD && (N0.getOperand(1).getOpcode() == ISD::SUB || N0.getOperand(1).getOpcode() == ISD::ADD) &&