[llvm-commits] [llvm] r77586 - in /llvm/trunk: include/llvm/CodeGen/RuntimeLibcalls.h lib/CodeGen/SelectionDAG/SelectionDAG.cpp lib/CodeGen/SelectionDAG/TargetLowering.cpp

[Sanjiv Gupta]

Author: sgupta
Date: Thu Jul 30 04:12:56 2009
New Revision: 77586

URL: http://llvm.org/viewvc/llvm-project?rev=77586&view=rev
Log:
Allow targets to define libcall names for mem(cpy,set,move) intrinsics, rather than hardcoding them in DAG lowering.

Modified:
    llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp

Modified: llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h?rev=77586&r1=77585&r2=77586&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h (original)
+++ llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h Thu Jul 30 04:12:56 2009
@@ -224,6 +224,11 @@
     O_F32,
     O_F64,
 
+    // MEMORY
+    MEMCPY,
+    MEMSET,
+    MEMMOVE,
+
     // EXCEPTION HANDLING
     UNWIND_RESUME,
 

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=77586&r1=77585&r2=77586&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Thu Jul 30 04:12:56 2009
@@ -3385,7 +3385,8 @@
   std::pair<SDValue,SDValue> CallResult =
     TLI.LowerCallTo(Chain, Type::VoidTy,
                     false, false, false, false, 0, CallingConv::C, false,
-                    getExternalSymbol("memcpy", TLI.getPointerTy()),
+                    getExternalSymbol(TLI.getLibcallName(RTLIB::MEMCPY), 
+                                      TLI.getPointerTy()),
                     Args, *this, dl);
   return CallResult.second;
 }
@@ -3431,7 +3432,8 @@
   std::pair<SDValue,SDValue> CallResult =
     TLI.LowerCallTo(Chain, Type::VoidTy,
                     false, false, false, false, 0, CallingConv::C, false,
-                    getExternalSymbol("memmove", TLI.getPointerTy()),
+                    getExternalSymbol(TLI.getLibcallName(RTLIB::MEMMOVE), 
+                                      TLI.getPointerTy()),
                     Args, *this, dl);
   return CallResult.second;
 }
@@ -3483,7 +3485,8 @@
   std::pair<SDValue,SDValue> CallResult =
     TLI.LowerCallTo(Chain, Type::VoidTy,
                     false, false, false, false, 0, CallingConv::C, false,
-                    getExternalSymbol("memset", TLI.getPointerTy()),
+                    getExternalSymbol(TLI.getLibcallName(RTLIB::MEMSET), 
+                                      TLI.getPointerTy()),
                     Args, *this, dl);
   return CallResult.second;
 }

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=77586&r1=77585&r2=77586&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Thu Jul 30 04:12:56 2009
@@ -241,6 +241,9 @@
   Names[RTLIB::UO_F64] = "__unorddf2";
   Names[RTLIB::O_F32] = "__unordsf2";
   Names[RTLIB::O_F64] = "__unorddf2";
+  Names[RTLIB::MEMCPY] = "memcpy";
+  Names[RTLIB::MEMMOVE] = "memmove";
+  Names[RTLIB::MEMSET] = "memset";
   Names[RTLIB::UNWIND_RESUME] = "_Unwind_Resume";
 }