Implement necessary bits for flt_rounds gcc builtin.

Codegen bits and llvm-gcc support will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44182 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index c078f23..ade0a28 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -2930,6 +2930,10 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     DAG.setRoot(Tmp.getValue(1));
     return 0;
   }
+  case Intrinsic::flt_rounds: {
+    setValue(&I, DAG.getNode(ISD::FLT_ROUNDS, MVT::i32));
+    return 0;
+  }
   }
 }