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

[Evan Cheng]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

DAGCombiner.cpp updated: 1.262 -> 1.263
---
Log message:

Cannot combine an indexed load / store any further.

---
Diffs of the changes:  (+10 -1)

 DAGCombiner.cpp |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletion(-)


Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.262 
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.263
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.262 Fri Dec 15 15:38:30 2006
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp       Sat Dec 16 00:25:23 2006
@@ -2727,12 +2727,17 @@
   SDOperand Ptr;
   MVT::ValueType VT;
   if (LoadSDNode *LD  = dyn_cast<LoadSDNode>(N)) {
+    if (LD->getAddressingMode() != ISD::UNINDEXED)
+      return false;
     VT = LD->getLoadedVT();
-    if (!TLI.isIndexedLoadLegal(ISD::PRE_INC, VT) &&
+    if (LD->getAddressingMode() != ISD::UNINDEXED &&
+        !TLI.isIndexedLoadLegal(ISD::PRE_INC, VT) &&
         !TLI.isIndexedLoadLegal(ISD::PRE_DEC, VT))
       return false;
     Ptr = LD->getBasePtr();
   } else if (StoreSDNode *ST  = dyn_cast<StoreSDNode>(N)) {
+    if (ST->getAddressingMode() != ISD::UNINDEXED)
+      return false;
     VT = ST->getStoredVT();
     if (!TLI.isIndexedStoreLegal(ISD::PRE_INC, VT) &&
         !TLI.isIndexedStoreLegal(ISD::PRE_DEC, VT))
@@ -2846,12 +2851,16 @@
   SDOperand Ptr;
   MVT::ValueType VT;
   if (LoadSDNode *LD  = dyn_cast<LoadSDNode>(N)) {
+    if (LD->getAddressingMode() != ISD::UNINDEXED)
+      return false;
     VT = LD->getLoadedVT();
     if (!TLI.isIndexedLoadLegal(ISD::POST_INC, VT) &&
         !TLI.isIndexedLoadLegal(ISD::POST_DEC, VT))
       return false;
     Ptr = LD->getBasePtr();
   } else if (StoreSDNode *ST  = dyn_cast<StoreSDNode>(N)) {
+    if (ST->getAddressingMode() != ISD::UNINDEXED)
+      return false;
     VT = ST->getStoredVT();
     if (!TLI.isIndexedStoreLegal(ISD::POST_INC, VT) &&
         !TLI.isIndexedStoreLegal(ISD::POST_DEC, VT))



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