commit 0692fabb4e681da2907361346ff984290dbb3e40
author Anton Korobeynikov <asl@math.spbu.ru> Thu Jul 16 13:35:48 2009 +0000
committer Anton Korobeynikov <asl@math.spbu.ru> Thu Jul 16 13:35:48 2009 +0000
tree 81c8f698f5ff4b7769844c7295488285993d0bfd
parent 3f2122bea82d2dc4331abcc4315e0143060b76c5

Propagate return result extension type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75925 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 4b2ee0e..b1589d4 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -981,6 +981,13 @@
       ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
       if (F->paramHasAttr(0, Attribute::InReg))
         Flags.setInReg();
+
+      // Propagate extension type if any
+      if (F->paramHasAttr(0, Attribute::SExt))
+        Flags.setSExt();
+      else if (F->paramHasAttr(0, Attribute::ZExt))
+        Flags.setZExt();
+
       for (unsigned i = 0; i < NumParts; ++i) {
         NewValues.push_back(Parts[i]);
         NewValues.push_back(DAG.getArgFlags(Flags));