Teach frame lowering to ignore debug values after the terminators.

[oota-llvm.git] / lib / Target / Sparc / FPMover.cpp

diff --git a/lib/Target/Sparc/FPMover.cpp b/lib/Target/Sparc/FPMover.cpp
index 333cc37178c30a81fbcb5737a988a6f8a6694680..1423b1e64d66e7ce1d178e14d3a7feca9383590b 100644 (file)
--- a/lib/Target/Sparc/FPMover.cpp
+++ b/lib/Target/Sparc/FPMover.cpp
@@ -20,6 +20,8 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
 STATISTIC(NumFpDs , "Number of instructions translated");
@@ -33,8 +35,8 @@ namespace {
     TargetMachine &TM;
     
     static char ID;
-    FPMover(TargetMachine &tm) 
-      : MachineFunctionPass((intptr_t)&ID), TM(tm) { }
+    explicit FPMover(TargetMachine &tm) 
+      : MachineFunctionPass(ID), TM(tm) { }
 
     virtual const char *getPassName() const {
       return "Sparc Double-FP Move Fixer";
@@ -75,7 +77,7 @@ static void getDoubleRegPair(unsigned DoubleReg, unsigned &EvenReg,
       OddReg = OddHalvesOfPairs[i];
       return;
     }
-  assert(0 && "Can't find reg");
+  llvm_unreachable("Can't find reg");
 }
 
 /// runOnMachineBasicBlock - Fixup FpMOVD instructions in this MBB.
@@ -84,6 +86,7 @@ bool FPMover::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
   bool Changed = false;
   for (MachineBasicBlock::iterator I = MBB.begin(); I != MBB.end(); ) {
     MachineInstr *MI = I++;
+    DebugLoc dl = MI->getDebugLoc();
     if (MI->getOpcode() == SP::FpMOVD || MI->getOpcode() == SP::FpABSD ||
         MI->getOpcode() == SP::FpNEGD) {
       Changed = true;
@@ -101,22 +104,22 @@ bool FPMover::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
 
       const TargetInstrInfo *TII = TM.getInstrInfo();
       if (MI->getOpcode() == SP::FpMOVD)
-        MI->setInstrDescriptor(TII->get(SP::FMOVS));
+        MI->setDesc(TII->get(SP::FMOVS));
       else if (MI->getOpcode() == SP::FpNEGD)
-        MI->setInstrDescriptor(TII->get(SP::FNEGS));
+        MI->setDesc(TII->get(SP::FNEGS));
       else if (MI->getOpcode() == SP::FpABSD)
-        MI->setInstrDescriptor(TII->get(SP::FABSS));
+        MI->setDesc(TII->get(SP::FABSS));
       else
-        assert(0 && "Unknown opcode!");
+        llvm_unreachable("Unknown opcode!");
         
       MI->getOperand(0).setReg(EvenDestReg);
       MI->getOperand(1).setReg(EvenSrcReg);
-      DOUT << "FPMover: the modified instr is: " << *MI;
+      DEBUG(errs() << "FPMover: the modified instr is: " << *MI);
       // Insert copy for the other half of the double.
       if (DestDReg != SrcDReg) {
-        MI = BuildMI(MBB, I, TM.getInstrInfo()->get(SP::FMOVS), OddDestReg)
+        MI = BuildMI(MBB, I, dl, TM.getInstrInfo()->get(SP::FMOVS), OddDestReg)
           .addReg(OddSrcReg);
-        DOUT << "FPMover: the inserted instr is: " << *MI;
+        DEBUG(errs() << "FPMover: the inserted instr is: " << *MI);
       }
       ++NumFpDs;
     }