[Mips] MipsTargetStreamer refactoring.

[oota-llvm.git] / lib / Target / Mips / MipsMachineFunction.cpp

diff --git a/lib/Target/Mips/MipsMachineFunction.cpp b/lib/Target/Mips/MipsMachineFunction.cpp
index 59b23f7ad7c19b34c05fcdb9e9a483bd696c7ca7..dedf802f80ace47c18f28463e75887b09dc43955 100644 (file)
--- a/lib/Target/Mips/MipsMachineFunction.cpp
+++ b/lib/Target/Mips/MipsMachineFunction.cpp
@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/IR/Function.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -22,6 +23,53 @@ static cl::opt<bool>
 FixGlobalBaseReg("mips-fix-global-base-reg", cl::Hidden, cl::init(true),
                  cl::desc("Always use $gp as the global base register."));
 
+// class MipsCallEntry.
+MipsCallEntry::MipsCallEntry(const StringRef &N) {
+#ifndef NDEBUG
+  Name = N;
+  Val = 0;
+#endif
+}
+
+MipsCallEntry::MipsCallEntry(const GlobalValue *V) {
+#ifndef NDEBUG
+  Val = V;
+#endif
+}
+
+bool MipsCallEntry::isConstant(const MachineFrameInfo *) const {
+  return false;
+}
+
+bool MipsCallEntry::isAliased(const MachineFrameInfo *) const {
+  return false;
+}
+
+bool MipsCallEntry::mayAlias(const MachineFrameInfo *) const {
+  return false;
+}
+
+void MipsCallEntry::printCustom(raw_ostream &O) const {
+  O << "MipsCallEntry: ";
+#ifndef NDEBUG
+  if (Val)
+    O << Val->getName();
+  else
+    O << Name;
+#endif
+}
+
+MipsFunctionInfo::~MipsFunctionInfo() {
+  for (StringMap<const MipsCallEntry *>::iterator
+       I = ExternalCallEntries.begin(), E = ExternalCallEntries.end(); I != E;
+       ++I)
+    delete I->getValue();
+
+  for (ValueMap<const GlobalValue *, const MipsCallEntry *>::iterator
+       I = GlobalCallEntries.begin(), E = GlobalCallEntries.end(); I != E; ++I)
+    delete I->second;
+}
+
 bool MipsFunctionInfo::globalBaseRegSet() const {
   return GlobalBaseReg;
 }
@@ -38,8 +86,8 @@ unsigned MipsFunctionInfo::getGlobalBaseReg() {
     RC=(const TargetRegisterClass*)&Mips::CPU16RegsRegClass;
   else
     RC = ST.isABI_N64() ?
-      (const TargetRegisterClass*)&Mips::CPU64RegsRegClass :
-      (const TargetRegisterClass*)&Mips::CPURegsRegClass;
+      (const TargetRegisterClass*)&Mips::GPR64RegClass :
+      (const TargetRegisterClass*)&Mips::GPR32RegClass;
   return GlobalBaseReg = MF.getRegInfo().createVirtualRegister(RC);
 }
 
@@ -60,7 +108,7 @@ void MipsFunctionInfo::createEhDataRegsFI() {
   for (int I = 0; I < 4; ++I) {
     const MipsSubtarget &ST = MF.getTarget().getSubtarget<MipsSubtarget>();
     const TargetRegisterClass *RC = ST.isABI_N64() ?
-        &Mips::CPU64RegsRegClass : &Mips::CPURegsRegClass;
+        &Mips::GPR64RegClass : &Mips::GPR32RegClass;
 
     EhDataRegFI[I] = MF.getFrameInfo()->CreateStackObject(RC->getSize(),
         RC->getAlignment(), false);
@@ -72,4 +120,22 @@ bool MipsFunctionInfo::isEhDataRegFI(int FI) const {
                         || FI == EhDataRegFI[2] || FI == EhDataRegFI[3]);
 }
 
+MachinePointerInfo MipsFunctionInfo::callPtrInfo(const StringRef &Name) {
+  const MipsCallEntry *&E = ExternalCallEntries[Name];
+
+  if (!E)
+    E = new MipsCallEntry(Name);
+
+  return MachinePointerInfo(E);
+}
+
+MachinePointerInfo MipsFunctionInfo::callPtrInfo(const GlobalValue *Val) {
+  const MipsCallEntry *&E = GlobalCallEntries[Val];
+
+  if (!E)
+    E = new MipsCallEntry(Val);
+
+  return MachinePointerInfo(E);
+}
+
 void MipsFunctionInfo::anchor() { }