commit 14e809c87210877a675977d247ff4453db82d9b2
author Eli Friedman <eli.friedman@gmail.com> Wed Nov 09 23:36:02 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Wed Nov 09 23:36:02 2011 +0000
tree db28f926fc080006a06f8b9e7c647ce7846a75a6
parent 5ccb0825ed1bdf6271ef451b8239e86d4ff635b1

Make sure we correctly unroll conversions between v2f64 and v2i32 on ARM.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144241 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index c51e7ae..6f2b3b8 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -110,7 +110,12 @@
     setOperationAction(ISD::SETCC, VT.getSimpleVT(), Custom);
   setOperationAction(ISD::INSERT_VECTOR_ELT, VT.getSimpleVT(), Custom);
   setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT.getSimpleVT(), Custom);
-  if (ElemTy != MVT::i32) {
+  if (ElemTy == MVT::i32) {
+    setOperationAction(ISD::SINT_TO_FP, VT.getSimpleVT(), Custom);
+    setOperationAction(ISD::UINT_TO_FP, VT.getSimpleVT(), Custom);
+    setOperationAction(ISD::FP_TO_SINT, VT.getSimpleVT(), Custom);
+    setOperationAction(ISD::FP_TO_UINT, VT.getSimpleVT(), Custom);
+  } else {
     setOperationAction(ISD::SINT_TO_FP, VT.getSimpleVT(), Expand);
     setOperationAction(ISD::UINT_TO_FP, VT.getSimpleVT(), Expand);
     setOperationAction(ISD::FP_TO_SINT, VT.getSimpleVT(), Expand);
@@ -3018,7 +3023,20 @@
   }
 }
 
+static SDValue LowerVectorFP_TO_INT(SDValue Op, SelectionDAG &DAG) {
+  EVT VT = Op.getValueType();
+  assert(VT.getVectorElementType() == MVT::i32 && "Unexpected custom lowering");
+
+  if (Op.getOperand(0).getValueType().getVectorElementType() == MVT::f32)
+    return Op;
+  return DAG.UnrollVectorOp(Op.getNode());
+}
+
 static SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG) {
+  EVT VT = Op.getValueType();
+  if (VT.isVector())
+    return LowerVectorFP_TO_INT(Op, DAG);
+
   DebugLoc dl = Op.getDebugLoc();
   unsigned Opc;
 
@@ -3040,6 +3058,12 @@
   EVT VT = Op.getValueType();
   DebugLoc dl = Op.getDebugLoc();
 
+  if (Op.getOperand(0).getValueType().getVectorElementType() == MVT::i32) {
+    if (VT.getVectorElementType() == MVT::f32)
+      return Op;
+    return DAG.UnrollVectorOp(Op.getNode());
+  }
+
   assert(Op.getOperand(0).getValueType() == MVT::v4i16 &&
          "Invalid type for custom lowering!");
   if (VT != MVT::v4f32)