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

4 files changed, 13 insertions, 4 deletions

diff --git a/lib/Target/Mips/MipsSelectionDAGInfo.cpp b/lib/Target/Mips/MipsSelectionDAGInfo.cpp
index 72c149d..e4d70fc 100644
--- a/lib/Target/Mips/MipsSelectionDAGInfo.cpp
+++ b/lib/Target/Mips/MipsSelectionDAGInfo.cpp
@@ -12,10 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "mips-selectiondag-info"
-#include "MipsSelectionDAGInfo.h"
+#include "MipsTargetMachine.h"
 using namespace llvm;
 
-MipsSelectionDAGInfo::MipsSelectionDAGInfo() {
+MipsSelectionDAGInfo::MipsSelectionDAGInfo(const MipsTargetMachine &TM)
+  : TargetSelectionDAGInfo(TM) {
 }
 
 MipsSelectionDAGInfo::~MipsSelectionDAGInfo() {
diff --git a/lib/Target/Mips/MipsSelectionDAGInfo.h b/lib/Target/Mips/MipsSelectionDAGInfo.h
index 6eaf0c9..6cafb55 100644
--- a/lib/Target/Mips/MipsSelectionDAGInfo.h
+++ b/lib/Target/Mips/MipsSelectionDAGInfo.h
@@ -18,9 +18,11 @@
 
 namespace llvm {
 
+class MipsTargetMachine;
+
 class MipsSelectionDAGInfo : public TargetSelectionDAGInfo {
 public:
-  MipsSelectionDAGInfo();
+  explicit MipsSelectionDAGInfo(const MipsTargetMachine &TM);
   ~MipsSelectionDAGInfo();
 };
 
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 4724ff7..ad3eb9e 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -42,7 +42,7 @@ MipsTargetMachine(const Target &T, const std::string &TT, const std::string &FS,
                         std::string("E-p:32:32:32-i8:8:32-i16:16:32-n32")), 
   InstrInfo(*this), 
   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
-  TLInfo(*this) {
+  TLInfo(*this), TSInfo(*this) {
   // Abicall enables PIC by default
   if (getRelocationModel() == Reloc::Default) {
     if (Subtarget.isABI_O32())
diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index cd671cf..d63976f 100644
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -17,6 +17,7 @@
 #include "MipsSubtarget.h"
 #include "MipsInstrInfo.h"
 #include "MipsISelLowering.h"
+#include "MipsSelectionDAGInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetFrameInfo.h"
@@ -30,6 +31,7 @@ namespace llvm {
     MipsInstrInfo       InstrInfo;
     TargetFrameInfo     FrameInfo;
     MipsTargetLowering  TLInfo;
+    MipsSelectionDAGInfo TSInfo;
   public:
     MipsTargetMachine(const Target &T, const std::string &TT,
                       const std::string &FS, bool isLittle);
@@ -51,6 +53,10 @@ namespace llvm {
       return &TLInfo;
     }
 
+    virtual const MipsSelectionDAGInfo* getSelectionDAGInfo() const {
+      return &TSInfo;
+    }
+
     // Pass Pipeline Configuration
     virtual bool addInstSelector(PassManagerBase &PM,
                                  CodeGenOpt::Level OptLevel);