Add bswap, rotl, and rotr nodes

Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222

1 files changed, 3 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 9674432deef..a5ba28d0b05 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -68,6 +68,9 @@ PPCTargetLowering::PPCTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::CTPOP, MVT::i32  , Expand);
   setOperationAction(ISD::CTTZ , MVT::i32  , Expand);
   
+  // PowerPC does not have ROTR
+  setOperationAction(ISD::ROTR, MVT::i32   , Expand);
+  
   // PowerPC does not have Select
   setOperationAction(ISD::SELECT, MVT::i32, Expand);
   setOperationAction(ISD::SELECT, MVT::f32, Expand);