commit f4e64d64cace387219b5c8f9c0ec6e362d589c9e
author Sanjiv Gupta <sanjiv.gupta@microchip.com> Thu Jul 30 09:12:56 2009 +0000
committer Sanjiv Gupta <sanjiv.gupta@microchip.com> Thu Jul 30 09:12:56 2009 +0000
tree 1a7b5665b5be29c2c14c4d15271950bf0e9ad189
parent 454211ee9a22146fd503073f1e58e76f79613299

Allow targets to define libcall names for mem(cpy,set,move) intrinsics, rather than hardcoding them in DAG lowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77586 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAG.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index eca726a..480f837 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -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;
 }

lib/CodeGen/SelectionDAG/TargetLowering.cpp

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 85b47a0..21b8cce 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -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";
 }