Support for Hexagon architectural feature, new value jump.

[oota-llvm.git] / lib / Target / Hexagon / HexagonRegisterInfo.cpp

diff --git a/lib/Target/Hexagon/HexagonRegisterInfo.cpp b/lib/Target/Hexagon/HexagonRegisterInfo.cpp
index 256f8b4cd9485f3a633c8c2911f0a8054ebcba44..2a9de92329158baf6bad38beb45dc3b28ffd14b5 100644 (file)
--- a/lib/Target/Hexagon/HexagonRegisterInfo.cpp
+++ b/lib/Target/Hexagon/HexagonRegisterInfo.cpp
@@ -1,4 +1,4 @@
-//==- HexagonRegisterInfo.cpp - Hexagon Register Information -----*- C++ -*-==//
+//===-- HexagonRegisterInfo.cpp - Hexagon Register Information ------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,29 +12,28 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "Hexagon.h"
 #include "HexagonRegisterInfo.h"
+#include "Hexagon.h"
 #include "HexagonSubtarget.h"
 #include "HexagonTargetMachine.h"
 #include "HexagonMachineFunctionInfo.h"
+#include "llvm/Function.h"
+#include "llvm/Type.h"
+#include "llvm/ADT/BitVector.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/RegisterScavenging.h"
 #include "llvm/MC/MachineLocation.h"
 #include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Type.h"
-#include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
-#include <iostream>
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
 
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Function.h"
 using namespace llvm;
 
 
@@ -45,13 +44,13 @@ HexagonRegisterInfo::HexagonRegisterInfo(HexagonSubtarget &st,
    TII(tii) {
 }
 
-const unsigned* HexagonRegisterInfo::getCalleeSavedRegs(const MachineFunction
+const uint16_t* HexagonRegisterInfo::getCalleeSavedRegs(const MachineFunction
                                                         *MF)
   const {
-  static const unsigned CalleeSavedRegsV2[] = {
-  Hexagon::R24,   Hexagon::R25,   Hexagon::R26,   Hexagon::R27, 0
+  static const uint16_t CalleeSavedRegsV2[] = {
+    Hexagon::R24,   Hexagon::R25,   Hexagon::R26,   Hexagon::R27, 0
   };
-  static const unsigned CalleeSavedRegsV3[] = {
+  static const uint16_t CalleeSavedRegsV3[] = {
     Hexagon::R16,   Hexagon::R17,   Hexagon::R18,   Hexagon::R19,
     Hexagon::R20,   Hexagon::R21,   Hexagon::R22,   Hexagon::R23,
     Hexagon::R24,   Hexagon::R25,   Hexagon::R26,   Hexagon::R27, 0
@@ -126,7 +125,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
   } else if (MI.getOpcode() == Hexagon::ADJCALLSTACKUP) {
     // Hexagon_TODO: add code
   } else {
-    assert(0 && "Cannot handle this call frame pseudo instruction");
+    llvm_unreachable("Cannot handle this call frame pseudo instruction");
   }
   MBB.erase(I);
 }
@@ -207,8 +206,7 @@ void HexagonRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
       } else if ((MI.getOpcode() == Hexagon::STriw) ||
                  (MI.getOpcode() == Hexagon::STrid) ||
                  (MI.getOpcode() == Hexagon::STrih) ||
-                 (MI.getOpcode() == Hexagon::STrib) ||
-                 (MI.getOpcode() == Hexagon::STriwt)) {
+                 (MI.getOpcode() == Hexagon::STrib)) {
         // For stores, we need a reserved register. Change
         // memw(r30 + #10000) = r0 to:
         //
@@ -306,13 +304,11 @@ void HexagonRegisterInfo::getInitialFrameState(std::vector<MachineMove>
 }
 
 unsigned HexagonRegisterInfo::getEHExceptionRegister() const {
-  assert(0 && "What is the exception register");
-  return 0;
+  llvm_unreachable("What is the exception register");
 }
 
 unsigned HexagonRegisterInfo::getEHHandlerRegister() const {
-  assert(0 && "What is the exception handler register");
-  return 0;
+  llvm_unreachable("What is the exception handler register");
 }
 
 #define GET_REGINFO_TARGET_DESC