Allow libcalls for i16 sdiv/udiv/rem operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72941 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 0d777bf798cc10291d68be3e96b993c526033099..0c826f67c24a46ff8338888866bf029f02197a6c 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -1746,7 +1746,9 @@ void DAGTypeLegalizer::ExpandIntRes_SDIV(SDNode *N,
   DebugLoc dl = N->getDebugLoc();
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
-  if (VT == MVT::i32)
+  if (VT == MVT::i16)
+    LC = RTLIB::SDIV_I16;
+  else if (VT == MVT::i32)
     LC = RTLIB::SDIV_I32;
   else if (VT == MVT::i64)
     LC = RTLIB::SDIV_I64;
@@ -1908,7 +1910,9 @@ void DAGTypeLegalizer::ExpandIntRes_SREM(SDNode *N,
   DebugLoc dl = N->getDebugLoc();
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
-  if (VT == MVT::i32)
+  if (VT == MVT::i16)
+    LC = RTLIB::SREM_I16;
+  else if (VT == MVT::i32)
     LC = RTLIB::SREM_I32;
   else if (VT == MVT::i64)
     LC = RTLIB::SREM_I64;
@@ -1937,7 +1941,9 @@ void DAGTypeLegalizer::ExpandIntRes_UDIV(SDNode *N,
   DebugLoc dl = N->getDebugLoc();
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
-  if (VT == MVT::i32)
+  if (VT == MVT::i16)
+    LC = RTLIB::UDIV_I16;
+  else if (VT == MVT::i32)
     LC = RTLIB::UDIV_I32;
   else if (VT == MVT::i64)
     LC = RTLIB::UDIV_I64;
@@ -1955,7 +1961,9 @@ void DAGTypeLegalizer::ExpandIntRes_UREM(SDNode *N,
   DebugLoc dl = N->getDebugLoc();
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
-  if (VT == MVT::i32)
+  if (VT == MVT::i16)
+    LC = RTLIB::UREM_I16;
+  else if (VT == MVT::i32)
     LC = RTLIB::UREM_I32;
   else if (VT == MVT::i64)
     LC = RTLIB::UREM_I64;