Fill in type legalization for MERGE_VALUES in all the various cases. Patch by Micah Villmow. (No testcase because the issue only showed up in an out-of-tree backend.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138877 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index b1f7fb8f85..97658917f7 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -55,6 +55,7 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) {
 #endif
     llvm_unreachable("Do not know how to soften the result of this operator!");
 
+    case ISD::MERGE_VALUES:R = SoftenFloatRes_MERGE_VALUES(N); break;
     case ISD::BITCAST:     R = SoftenFloatRes_BITCAST(N); break;
     case ISD::BUILD_PAIR:  R = SoftenFloatRes_BUILD_PAIR(N); break;
     case ISD::ConstantFP:
@@ -107,6 +108,13 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_BITCAST(SDNode *N) {
   return BitConvertToInteger(N->getOperand(0));
 }
 
+SDValue DAGTypeLegalizer::SoftenFloatRes_MERGE_VALUES(SDNode *N) {
+  SDValue Op = DecomposeMERGE_VALUES(N);
+  return Op.getValueType().isVector() ?
+      BitConvertVectorToIntegerVector(Op) :
+      BitConvertToInteger(Op);
+}
+
 SDValue DAGTypeLegalizer::SoftenFloatRes_BUILD_PAIR(SDNode *N) {
   // Convert the inputs to integers, and build a new pair out of them.
   return DAG.getNode(ISD::BUILD_PAIR, N->getDebugLoc(),
@@ -827,11 +835,11 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) {
 #endif
     llvm_unreachable("Do not know how to expand the result of this operator!");
 
-  case ISD::MERGE_VALUES: SplitRes_MERGE_VALUES(N, Lo, Hi); break;
   case ISD::UNDEF:        SplitRes_UNDEF(N, Lo, Hi); break;
   case ISD::SELECT:       SplitRes_SELECT(N, Lo, Hi); break;
   case ISD::SELECT_CC:    SplitRes_SELECT_CC(N, Lo, Hi); break;
 
+  case ISD::MERGE_VALUES:       ExpandRes_MERGE_VALUES(N, Lo, Hi); break;
   case ISD::BITCAST:            ExpandRes_BITCAST(N, Lo, Hi); break;
   case ISD::BUILD_PAIR:         ExpandRes_BUILD_PAIR(N, Lo, Hi); break;
   case ISD::EXTRACT_ELEMENT:    ExpandRes_EXTRACT_ELEMENT(N, Lo, Hi); break;