Lower i16/i32 sdiv/udiv/srem/urem using libcalls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72942 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index 4343fbe..ac9a143 100644 (file)
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -46,6 +46,16 @@ static const char *getIntrinsicName(unsigned opcode) {
   case PIC16ISD::MUL_I8: Basename = "mul.i8"; break;
   case RTLIB::MUL_I16: Basename = "mul.i16"; break;
   case RTLIB::MUL_I32: Basename = "mul.i32"; break;
+
+  case RTLIB::SDIV_I16: Basename = "sdiv.i16"; break;
+  case RTLIB::SDIV_I32: Basename = "sdiv.i32"; break;
+  case RTLIB::UDIV_I16: Basename = "udiv.i16"; break;
+  case RTLIB::UDIV_I32: Basename = "udiv.i32"; break;
+
+  case RTLIB::SREM_I16: Basename = "srem.i16"; break;
+  case RTLIB::SREM_I32: Basename = "srem.i32"; break;
+  case RTLIB::UREM_I16: Basename = "urem.i16"; break;
+  case RTLIB::UREM_I32: Basename = "urem.i32"; break;
   }
   
   std::string prefix = PAN::getTagName(PAN::PREFIX_SYMBOL);
@@ -90,6 +100,20 @@ PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM)
   setLibcallName(RTLIB::MUL_I16, getIntrinsicName(RTLIB::MUL_I16));
   setLibcallName(RTLIB::MUL_I32, getIntrinsicName(RTLIB::MUL_I32));
 
+  // Signed division lib call names
+  setLibcallName(RTLIB::SDIV_I16, getIntrinsicName(RTLIB::SDIV_I16));
+  setLibcallName(RTLIB::SDIV_I32, getIntrinsicName(RTLIB::SDIV_I32));
+  // Unsigned division lib call names
+  setLibcallName(RTLIB::UDIV_I16, getIntrinsicName(RTLIB::UDIV_I16));
+  setLibcallName(RTLIB::UDIV_I32, getIntrinsicName(RTLIB::UDIV_I32));
+
+  // Signed remainder lib call names
+  setLibcallName(RTLIB::SREM_I16, getIntrinsicName(RTLIB::SREM_I16));
+  setLibcallName(RTLIB::SREM_I32, getIntrinsicName(RTLIB::SREM_I32));
+  // Unsigned remainder lib call names
+  setLibcallName(RTLIB::UREM_I16, getIntrinsicName(RTLIB::UREM_I16));
+  setLibcallName(RTLIB::UREM_I32, getIntrinsicName(RTLIB::UREM_I32));
+  
   setOperationAction(ISD::GlobalAddress, MVT::i16, Custom);
   setOperationAction(ISD::ExternalSymbol, MVT::i16, Custom);