Jimptables working again on alpha.
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30873 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index d6b07a0..b7262d6 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -534,6 +534,7 @@
case ISD::SRCVALUE:
case ISD::STRING:
case ISD::CONDCODE:
+ case ISD::GLOBAL_OFFSET_TABLE:
// Primitives must all be legal.
assert(TLI.isOperationLegal(Node->getValueType(0), Node->getValueType(0)) &&
"This must be legal!");
@@ -558,17 +559,6 @@
#endif
assert(0 && "Do not know how to legalize this operator!");
abort();
- case ISD::JumpTableRelocBase:
- switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) {
- case TargetLowering::Custom:
- Tmp1 = TLI.LowerOperation(Op, DAG);
- if (Tmp1.Val) Result = Tmp1;
- break;
- default:
- Result = LegalizeOp(Node->getOperand(0));
- break;
- }
- break;
case ISD::GlobalAddress:
case ISD::ExternalSymbol:
case ISD::ConstantPool:
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 895ae47..f2e1423 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2454,7 +2454,7 @@
case ISD::GlobalAddress: return "GlobalAddress";
case ISD::FrameIndex: return "FrameIndex";
case ISD::JumpTable: return "JumpTable";
- case ISD::JumpTableRelocBase: return "JumpTableRelocBase";
+ case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
case ISD::ConstantPool: return "ConstantPool";
case ISD::ExternalSymbol: return "ExternalSymbol";
case ISD::INTRINSIC_WO_CHAIN: {
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index cbe5510..ee4a0ea 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -864,7 +864,11 @@
// For Pic, the sequence is:
// BRIND(load(Jumptable + index) + RelocBase)
// RelocBase is the JumpTable on PPC and X86, GOT on Alpha
- SDOperand Reloc = DAG.getNode(ISD::JumpTableRelocBase, PTy, TAB);
+ SDOperand Reloc;
+ if (TLI.usesGlobalOffsetTable())
+ Reloc = DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, PTy);
+ else
+ Reloc = TAB;
ADD = DAG.getNode(ISD::ADD, PTy,
((PTy != MVT::i32) ? DAG.getNode(ISD::SIGN_EXTEND, PTy, LD) : LD), Reloc);
DAG.setRoot(DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), ADD));