Remove BRTWOWAY*
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26814 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 459048a..901a8f8 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1486,18 +1486,6 @@
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(Ops[1].Val);
switch (Opcode) {
default: break;
- case ISD::BRCONDTWOWAY:
- if (N1C)
- if (N1C->getValue()) // Unconditional branch to true dest.
- return getNode(ISD::BR, MVT::Other, Ops[0], Ops[2]);
- else // Unconditional branch to false dest.
- return getNode(ISD::BR, MVT::Other, Ops[0], Ops[3]);
- break;
- case ISD::BRTWOWAY_CC:
- assert(Ops.size() == 6 && "BRTWOWAY_CC takes 6 operands!");
- assert(Ops[2].getValueType() == Ops[3].getValueType() &&
- "LHS and RHS of comparison must have same type!");
- break;
case ISD::TRUNCSTORE: {
assert(Ops.size() == 5 && "TRUNCSTORE takes 5 operands!");
MVT::ValueType EVT = cast<VTSDNode>(Ops[4])->getVT();
@@ -2692,9 +2680,7 @@
// Control flow instructions
case ISD::BR: return "br";
case ISD::BRCOND: return "brcond";
- case ISD::BRCONDTWOWAY: return "brcondtwoway";
- case ISD::BR_CC: return "br_cc";
- case ISD::BRTWOWAY_CC: return "brtwoway_cc";
+ case ISD::BR_CC: return "br_cc";
case ISD::RET: return "ret";
case ISD::CALLSEQ_START: return "callseq_start";
case ISD::CALLSEQ_END: return "callseq_end";