[llvm-commits] [llvm] r57077 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

Chris Lattner sabre at nondot.org
Sat Oct 4 14:27:46 PDT 2008


Author: lattner
Date: Sat Oct  4 16:27:46 2008
New Revision: 57077

URL: http://llvm.org/viewvc/llvm-project?rev=57077&view=rev
Log:
wrap some long lines and expand i32 mul's to libcalls, inspired by a
patch by Mikael Lepisto!

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=57077&r1=57076&r2=57077&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Sat Oct  4 16:27:46 2008
@@ -3007,22 +3007,26 @@
       }
       if (Node->getOpcode() == ISD::MULHS &&
           TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) {
-        Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 1);
+        Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(),
+                         1);
         break;
       }
       if (Node->getOpcode() == ISD::MULHU && 
           TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) {
-        Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 1);
+        Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(),
+                         1);
         break;
       }
       if (Node->getOpcode() == ISD::SDIV &&
           TLI.isOperationLegal(ISD::SDIVREM, VT)) {
-        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 0);
+        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(),
+                         0);
         break;
       }
       if (Node->getOpcode() == ISD::UDIV &&
           TLI.isOperationLegal(ISD::UDIVREM, VT)) {
-        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 0);
+        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(),
+                         0);
         break;
       }
 
@@ -3038,6 +3042,10 @@
           isSigned = Node->getOpcode() == ISD::SDIV;
         }
         break;
+      case ISD::MUL:
+        if (VT == MVT::i32)
+          LC = RTLIB::MUL_I32;
+        break;
       case ISD::FPOW:
         LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80,
                           RTLIB::POW_PPCF128);





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