AMDGPU: Implement canonicalize

Also add generic DAG node for it.

llvm-svn: 266272

2 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 6f4cd4280f4..3a4a3301377 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5120,7 +5120,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
   case Intrinsic::trunc:
   case Intrinsic::rint:
   case Intrinsic::nearbyint:
-  case Intrinsic::round: {
+  case Intrinsic::round:
+  case Intrinsic::canonicalize: {
     unsigned Opcode;
     switch (Intrinsic) {
     default: llvm_unreachable("Impossible intrinsic");  // Can't reach here.
@@ -5134,6 +5135,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
     case Intrinsic::rint:      Opcode = ISD::FRINT;      break;
     case Intrinsic::nearbyint: Opcode = ISD::FNEARBYINT; break;
     case Intrinsic::round:     Opcode = ISD::FROUND;     break;
+    case Intrinsic::canonicalize: Opcode = ISD::FCANONICALIZE; break;
     }
 
     setValue(&I, DAG.getNode(Opcode, sdl,
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
index 69612ed5aae..c6c99d95f37 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
@@ -202,6 +202,7 @@ std::string SDNode::getOperationName(const SelectionDAG *G) const {
   case ISD::FREM:                       return "frem";
   case ISD::FCOPYSIGN:                  return "fcopysign";
   case ISD::FGETSIGN:                   return "fgetsign";
+  case ISD::FCANONICALIZE:              return "fcanonicalize";
   case ISD::FPOW:                       return "fpow";
   case ISD::SMIN:                       return "smin";
   case ISD::SMAX:                       return "smax";