Ensure CopyToReg nodes are always glued to the call instruction.

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

diff --git a/lib/Target/Hexagon/HexagonHardwareLoops.cpp b/lib/Target/Hexagon/HexagonHardwareLoops.cpp
index c1abc4a8f7d8134d33a24bcf7fc7b48af0d4f86f..1357cc54e6ed0019730dde81cd9ba8ee74e9de23 100644 (file)
--- a/lib/Target/Hexagon/HexagonHardwareLoops.cpp
+++ b/lib/Target/Hexagon/HexagonHardwareLoops.cpp
@@ -27,6 +27,8 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "hwloops"
+#include "Hexagon.h"
+#include "HexagonTargetMachine.h"
 #include "llvm/Constants.h"
 #include "llvm/PassSupport.h"
 #include "llvm/ADT/DenseMap.h"
@@ -43,8 +45,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include <algorithm>
-#include "Hexagon.h"
-#include "HexagonTargetMachine.h"
 
 using namespace llvm;
 
@@ -491,7 +491,7 @@ bool HexagonHardwareLoops::convertToHardwareLoop(MachineLoop *L) {
               TII->get(Hexagon::NEG), CountReg).addReg(CountReg1);
     }
 
-    // Add the Loop instruction to the begining of the loop.
+    // Add the Loop instruction to the beginning of the loop.
     BuildMI(*Preheader, InsertPos, InsertPos->getDebugLoc(),
             TII->get(Hexagon::LOOP0_r)).addMBB(LoopStart).addReg(CountReg);
   } else {
@@ -517,8 +517,8 @@ bool HexagonHardwareLoops::convertToHardwareLoop(MachineLoop *L) {
   // The loop ends with either:
   //  - a conditional branch followed by an unconditional branch, or
   //  - a conditional branch to the loop start.
-  if (LastI->getOpcode() == Hexagon::JMP_Pred ||
-      LastI->getOpcode() == Hexagon::JMP_PredNot) {
+  if (LastI->getOpcode() == Hexagon::JMP_c ||
+      LastI->getOpcode() == Hexagon::JMP_cNot) {
     // delete one and change/add an uncond. branch to out of the loop
     MachineBasicBlock *BranchTarget = LastI->getOperand(1).getMBB();
     LastI = LastMBB->erase(LastI);
@@ -623,7 +623,7 @@ void HexagonFixupHwLoops::convertLoopInstr(MachineFunction &MF,
   const TargetInstrInfo *TII = MF.getTarget().getInstrInfo();
   MachineBasicBlock *MBB = MII->getParent();
   DebugLoc DL = MII->getDebugLoc();
-  unsigned Scratch = RS.scavengeRegister(Hexagon::IntRegsRegisterClass, MII, 0);
+  unsigned Scratch = RS.scavengeRegister(&Hexagon::IntRegsRegClass, MII, 0);
 
   // First, set the LC0 with the trip count.
   if (MII->getOperand(1).isReg()) {