From b00dddd1643f207f09de382dd67675f375327bb7 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 8 Nov 2006 20:27:27 +0000 Subject: [PATCH] Match more post-indexed ops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31569 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index bdb2d5e2f17..430cf5c6f56 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -301,8 +301,12 @@ namespace { SDOperand BasePtr; SDOperand Offset; ISD::MemOpAddrMode AM = ISD::UNINDEXED; - if (TLI.getPostIndexedAddressParts(Op, VT, BasePtr, Offset, AM,DAG) && - BasePtr == Ptr) { + if (TLI.getPostIndexedAddressParts(Op, VT, BasePtr, Offset, AM,DAG)) { + if (Ptr == Offset) + std::swap(BasePtr, Offset); + if (Ptr != BasePtr) + continue; + // Try turning it into a post-indexed load / store except when // 1) Op must be independent of N, i.e. Op is neither a predecessor // nor a successor of N. Otherwise, if Op is folded that would -- 2.34.1