Implement fastcc calling convention for MIPS.

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

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 6088ceedcc009b0c6ceccddcfbbde6e81d1e3293..7ba610e3b1cab807fae7be3eccb37684daaec6c6 100644 (file)
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -11,9 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "Mips.h"
 #include "MipsTargetMachine.h"
+#include "Mips.h"
 #include "llvm/PassManager.h"
+#include "llvm/CodeGen/Passes.h"
 #include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
@@ -88,37 +89,42 @@ Mips64elTargetMachine(const Target &T, StringRef TT,
                       CodeGenOpt::Level OL)
   : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
 
+namespace {
+/// Mips Code Generator Pass Configuration Options.
+class MipsPassConfig : public TargetPassConfig {
+public:
+  MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
+
+  MipsTargetMachine &getMipsTargetMachine() const {
+    return getTM<MipsTargetMachine>();
+  }
+
+  const MipsSubtarget &getMipsSubtarget() const {
+    return *getMipsTargetMachine().getSubtargetImpl();
+  }
+
+  virtual bool addInstSelector();
+  virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new MipsPassConfig(this, PM);
+}
+
 // Install an instruction selector pass using
 // the ISelDag to gen Mips code.
-bool MipsTargetMachine::
-addInstSelector(PassManagerBase &PM)
-{
-  PM.add(createMipsISelDag(*this));
+bool MipsPassConfig::addInstSelector() {
+  PM->add(createMipsISelDag(getMipsTargetMachine()));
   return false;
 }
 
 // Implemented by targets that want to run passes immediately before
 // machine code is emitted. return true if -print-machineinstrs should
 // print out the code after the passes.
-bool MipsTargetMachine::
-addPreEmitPass(PassManagerBase &PM)
-{
-  PM.add(createMipsDelaySlotFillerPass(*this));
-  return true;
-}
-
-bool MipsTargetMachine::
-addPreRegAlloc(PassManagerBase &PM) {
-  // Do not restore $gp if target is Mips64.
-  // In N32/64, $gp is a callee-saved register.
-  if (!Subtarget.hasMips64())
-    PM.add(createMipsEmitGPRestorePass(*this));
-  return true;
-}
-
-bool MipsTargetMachine::
-addPostRegAlloc(PassManagerBase &PM) {
-  PM.add(createMipsExpandPseudoPass(*this));
+bool MipsPassConfig::addPreEmitPass() {
+  PM->add(createMipsDelaySlotFillerPass(getMipsTargetMachine()));
   return true;
 }