[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

Evan Cheng evan.cheng at apple.com
Wed Nov 8 12:27:41 PST 2006



Changes in directory llvm/lib/CodeGen/SelectionDAG:

DAGCombiner.cpp updated: 1.243 -> 1.244
---
Log message:

Match more post-indexed ops.

---
Diffs of the changes:  (+6 -2)

 DAGCombiner.cpp |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.243 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.244
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.243	Wed Nov  8 13:16:43 2006
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp	Wed Nov  8 14:27:27 2006
@@ -301,8 +301,12 @@
           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






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