Teach SelectionDAG to match more calls to libm functions onto existing SDNodes.  Mark these nodes as illegal by default, unless the target declares otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146171 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 067daf7..28fed5a 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -103,6 +103,13 @@
   // from FP_ROUND:  that rounds to nearest, this rounds to zero.
   setOperationAction(ISD::FP_ROUND_INREG, MVT::ppcf128, Custom);
 
+  // We do not currently implment this libm ops for PowerPC.
+  setOperationAction(ISD::FFLOOR, MVT::ppcf128, Expand);
+  setOperationAction(ISD::FCEIL,  MVT::ppcf128, Expand);
+  setOperationAction(ISD::FTRUNC, MVT::ppcf128, Expand);
+  setOperationAction(ISD::FRINT,  MVT::ppcf128, Expand);
+  setOperationAction(ISD::FNEARBYINT, MVT::ppcf128, Expand);
+
   // PowerPC has no SREM/UREM instructions
   setOperationAction(ISD::SREM, MVT::i32, Expand);
   setOperationAction(ISD::UREM, MVT::i32, Expand);