Implement a bunch more TargetSelectionDAGInfo infrastructure.

Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103481 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 9 insertions, 5 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 000cdb44ff..b1046fb390 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -33,6 +33,7 @@
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetSelectionDAGInfo.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetIntrinsicInfo.h"
@@ -790,7 +791,8 @@ unsigned SelectionDAG::getEVTAlignment(EVT VT) const {
 
 // EntryNode could meaningfully have debug info if we can find it...
 SelectionDAG::SelectionDAG(const TargetMachine &tm, FunctionLoweringInfo &fli)
-  : TM(tm), TLI(*tm.getTargetLowering()), FLI(fli),
+  : TM(tm), TLI(*tm.getTargetLowering()), TSI(*tm.getSelectionDAGInfo()),
+    FLI(fli),
     EntryNode(ISD::EntryToken, DebugLoc(), getVTList(MVT::Other)),
     Root(getEntryNode()), Ordering(0) {
   AllNodes.push_back(&EntryNode);
@@ -3536,7 +3538,7 @@ SDValue SelectionDAG::getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst,
   // Then check to see if we should lower the memcpy with target-specific
   // code. If the target chooses to do this, this is the next best.
   SDValue Result =
-    TLI.EmitTargetCodeForMemcpy(*this, dl, Chain, Dst, Src, Size, Align,
+    TSI.EmitTargetCodeForMemcpy(*this, dl, Chain, Dst, Src, Size, Align,
                                 isVol, AlwaysInline,
                                 DstSV, DstSVOff, SrcSV, SrcSVOff);
   if (Result.getNode())
@@ -3601,7 +3603,7 @@ SDValue SelectionDAG::getMemmove(SDValue Chain, DebugLoc dl, SDValue Dst,
   // Then check to see if we should lower the memmove with target-specific
   // code. If the target chooses to do this, this is the next best.
   SDValue Result =
-    TLI.EmitTargetCodeForMemmove(*this, dl, Chain, Dst, Src, Size, Align, isVol,
+    TSI.EmitTargetCodeForMemmove(*this, dl, Chain, Dst, Src, Size, Align, isVol,
                                  DstSV, DstSVOff, SrcSV, SrcSVOff);
   if (Result.getNode())
     return Result;
@@ -3652,7 +3654,7 @@ SDValue SelectionDAG::getMemset(SDValue Chain, DebugLoc dl, SDValue Dst,
   // Then check to see if we should lower the memset with target-specific
   // code. If the target chooses to do this, this is the next best.
   SDValue Result =
-    TLI.EmitTargetCodeForMemset(*this, dl, Chain, Dst, Src, Size, Align, isVol,
+    TSI.EmitTargetCodeForMemset(*this, dl, Chain, Dst, Src, Size, Align, isVol,
                                 DstSV, DstSVOff);
   if (Result.getNode())
     return Result;
diff --git a/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp b/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp
index d20477fd89..a081e3cd49 100644
--- a/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp
@@ -12,9 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetSelectionDAGInfo.h"
+#include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
-TargetSelectionDAGInfo::TargetSelectionDAGInfo() {
+TargetSelectionDAGInfo::TargetSelectionDAGInfo(const TargetMachine &TM)
+  : TD(TM.getTargetData()) {
 }
 
 TargetSelectionDAGInfo::~TargetSelectionDAGInfo() {