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/SystemZ/SystemZSelectionDAGInfo.cpp b/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
index 87c831b..3eabcd2 100644
--- a/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
+++ b/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
@@ -12,10 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "systemz-selectiondag-info"
-#include "SystemZSelectionDAGInfo.h"
+#include "SystemZTargetMachine.h"
 using namespace llvm;
 
-SystemZSelectionDAGInfo::SystemZSelectionDAGInfo() {
+SystemZSelectionDAGInfo::SystemZSelectionDAGInfo(const SystemZTargetMachine &TM)
+  : TargetSelectionDAGInfo(TM) {
 }
 
 SystemZSelectionDAGInfo::~SystemZSelectionDAGInfo() {
diff --git a/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
index 5292de9..1450401 100644
--- a/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
+++ b/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
@@ -18,9 +18,11 @@
 
 namespace llvm {
 
+class SystemZTargetMachine;
+
 class SystemZSelectionDAGInfo : public TargetSelectionDAGInfo {
 public:
-  SystemZSelectionDAGInfo();
+  explicit SystemZSelectionDAGInfo(const SystemZTargetMachine &TM);
   ~SystemZSelectionDAGInfo();
 };
 
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.cpp b/lib/Target/SystemZ/SystemZTargetMachine.cpp
index dfa26a1..f45827b 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.cpp
+++ b/lib/Target/SystemZ/SystemZTargetMachine.cpp
@@ -29,7 +29,7 @@ SystemZTargetMachine::SystemZTargetMachine(const Target &T,
     Subtarget(TT, FS),
     DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
                "-f64:64:64-f128:128:128-a0:16:16-n32:64"),
-    InstrInfo(*this), TLInfo(*this),
+    InstrInfo(*this), TLInfo(*this), TSInfo(*this),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, -160) {
 
   if (getRelocationModel() == Reloc::Default)
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.h b/lib/Target/SystemZ/SystemZTargetMachine.h
index d3357cc..6af829b 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.h
+++ b/lib/Target/SystemZ/SystemZTargetMachine.h
@@ -17,6 +17,7 @@
 
 #include "SystemZInstrInfo.h"
 #include "SystemZISelLowering.h"
+#include "SystemZSelectionDAGInfo.h"
 #include "SystemZRegisterInfo.h"
 #include "SystemZSubtarget.h"
 #include "llvm/Target/TargetData.h"
@@ -32,6 +33,7 @@ class SystemZTargetMachine : public LLVMTargetMachine {
   const TargetData        DataLayout;       // Calculates type size & alignment
   SystemZInstrInfo        InstrInfo;
   SystemZTargetLowering   TLInfo;
+  SystemZSelectionDAGInfo TSInfo;
 
   // SystemZ does not have any call stack frame, therefore not having
   // any SystemZ specific FrameInfo class.
@@ -53,6 +55,10 @@ public:
     return &TLInfo;
   }
 
+  virtual const SystemZSelectionDAGInfo* getSelectionDAGInfo() const {
+    return &TSInfo;
+  }
+
   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
 }; // SystemZTargetMachine.