commit 20270c909357e5e501cac1f5393430dfacfc57d8
author Evan Cheng <evan.cheng@apple.com> Sun Oct 18 06:27:36 2009 +0000
committer Evan Cheng <evan.cheng@apple.com> Sun Oct 18 06:27:36 2009 +0000
tree 41dfc4d483c999b2d3c23c2cd70f4a60d216055d
parent c6e200960812992f1124c92f801166bd1b387971

Only fixed stack objects and spill slots should be get FixedStack PseudoSourceValue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84411 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 7138dd2..0adffbb 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -639,11 +639,9 @@
   EVT PtrVT = TLI.getPointerTy();
   SDValue StackPtr = DAG.CreateStackTemporary(VT);
 
-  int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex();
-
   // Store the vector.
   SDValue Ch = DAG.getStore(DAG.getEntryNode(), dl, Tmp1, StackPtr,
-                            PseudoSourceValue::getFixedStack(SPFI), 0);
+                            PseudoSourceValue::getStack(), 0);
 
   // Truncate or zero extend offset to target pointer type.
   unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND;
@@ -654,10 +652,10 @@
   SDValue StackPtr2 = DAG.getNode(ISD::ADD, dl, IdxVT, Tmp3, StackPtr);
   // Store the scalar value.
   Ch = DAG.getTruncStore(Ch, dl, Tmp2, StackPtr2,
-                         PseudoSourceValue::getFixedStack(SPFI), 0, EltVT);
+                         PseudoSourceValue::getStack(), 0, EltVT);
   // Load the updated vector.
   return DAG.getLoad(VT, dl, Ch, StackPtr,
-                     PseudoSourceValue::getFixedStack(SPFI), 0);
+                     PseudoSourceValue::getStack(), 0);
 }
 
 
@@ -1517,8 +1515,7 @@
   EVT OpVT = Node->getOperand(0).getValueType();
   DebugLoc dl = Node->getDebugLoc();
   SDValue FIPtr = DAG.CreateStackTemporary(VT);
-  int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
-  const Value *SV = PseudoSourceValue::getFixedStack(FI);
+  const Value *SV = PseudoSourceValue::getStack();
 
   // Emit a store of each element to the stack slot.
   SmallVector<SDValue, 8> Stores;
@@ -1712,20 +1709,17 @@
                                               getTypeForEVT(*DAG.getContext()));
   SDValue FIPtr = DAG.CreateStackTemporary(SlotVT, SrcAlign);
 
-  FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr);
-  int SPFI = StackPtrFI->getIndex();
-  const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
-
   unsigned SrcSize = SrcOp.getValueType().getSizeInBits();
   unsigned SlotSize = SlotVT.getSizeInBits();
   unsigned DestSize = DestVT.getSizeInBits();
   unsigned DestAlign =
-    TLI.getTargetData()->getPrefTypeAlignment(DestVT.getTypeForEVT(*DAG.getContext()));
+    TLI.getTargetData()->getPrefTypeAlignment(DestVT.
+                                              getTypeForEVT(*DAG.getContext()));
 
   // Emit a store to the stack slot.  Use a truncstore if the input value is
   // later than DestVT.
   SDValue Store;
-
+  const Value *SV = PseudoSourceValue::getStack();
   if (SrcSize > SlotSize)
     Store = DAG.getTruncStore(DAG.getEntryNode(), dl, SrcOp, FIPtr,
                               SV, 0, SlotVT, false, SrcAlign);
@@ -1750,15 +1744,12 @@
   // then load the whole vector back out.
   SDValue StackPtr = DAG.CreateStackTemporary(Node->getValueType(0));
 
-  FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(StackPtr);
-  int SPFI = StackPtrFI->getIndex();
-
   SDValue Ch = DAG.getTruncStore(DAG.getEntryNode(), dl, Node->getOperand(0),
                                  StackPtr,
-                                 PseudoSourceValue::getFixedStack(SPFI), 0,
+                                 PseudoSourceValue::getStack(), 0,
                                  Node->getValueType(0).getVectorElementType());
   return DAG.getLoad(Node->getValueType(0), dl, Ch, StackPtr,
-                     PseudoSourceValue::getFixedStack(SPFI), 0);
+                     PseudoSourceValue::getStack(), 0);
 }