add initial support for converting select_cc -> fsel in the legalizer
instead of in the backend.  This currently handles fsel cases with registers,
but doesn't have the 0.0 and -0.0 optimization enabled yet.

Once this is finished, special hack for fp immediates can go away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index 07529c7..102b4b3 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -829,6 +829,12 @@
   default:
     Node->dump(); std::cerr << '\n';
     assert(0 && "Node not handled!\n");
+  case ISD::BUILTIN_OP_END+PPC::FSEL:
+    Tmp1 = SelectExpr(N.getOperand(0));
+    Tmp2 = SelectExpr(N.getOperand(1));
+    Tmp3 = SelectExpr(N.getOperand(2));
+    BuildMI(BB, PPC::FSEL, 3, Result).addReg(Tmp1).addReg(Tmp2).addReg(Tmp3);
+    return Result;
   case ISD::UNDEF:
     if (Node->getValueType(0) == MVT::i32)
       BuildMI(BB, PPC::IMPLICIT_DEF_GPR, 0, Result);