Add DBG_VALUE handling for byval parameters; this

[oota-llvm.git] / lib / CodeGen / ScheduleDAGEmit.cpp

diff --git a/lib/CodeGen/ScheduleDAGEmit.cpp b/lib/CodeGen/ScheduleDAGEmit.cpp
index d10d670d346634a9ea5744516339541e5d77de23..8e034203f4d5692f84d4af5883c0bd0f693b42ff 100644 (file)
--- a/lib/CodeGen/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/ScheduleDAGEmit.cpp
@@ -28,15 +28,11 @@
 #include "llvm/Support/MathExtras.h"
 using namespace llvm;
 
-void ScheduleDAG::AddMemOperand(MachineInstr *MI, const MachineMemOperand &MO) {
-  MI->addMemOperand(*MF, MO);
-}
-
 void ScheduleDAG::EmitNoop() {
-  TII->insertNoop(*BB, BB->end());
+  TII->insertNoop(*BB, InsertPos);
 }
 
-void ScheduleDAG::EmitCrossRCCopy(SUnit *SU,
+void ScheduleDAG::EmitPhysRegCopy(SUnit *SU,
                                   DenseMap<SUnit*, unsigned> &VRBaseMap) {
   for (SUnit::const_pred_iterator I = SU->Preds.begin(), E = SU->Preds.end();
        I != E; ++I) {
@@ -49,14 +45,15 @@ void ScheduleDAG::EmitCrossRCCopy(SUnit *SU,
       unsigned Reg = 0;
       for (SUnit::const_succ_iterator II = SU->Succs.begin(),
              EE = SU->Succs.end(); II != EE; ++II) {
-        if (I->getReg()) {
-          Reg = I->getReg();
+        if (II->getReg()) {
+          Reg = II->getReg();
           break;
         }
       }
-      assert(I->getReg() && "Unknown physical register!");
-      TII->copyRegToReg(*BB, BB->end(), Reg, VRI->second,
-                        SU->CopyDstRC, SU->CopySrcRC);
+      bool Success = TII->copyRegToReg(*BB, InsertPos, Reg, VRI->second,
+                                       SU->CopyDstRC, SU->CopySrcRC);
+      (void)Success;
+      assert(Success && "copyRegToReg failed!");
     } else {
       // Copy from physical register.
       assert(I->getReg() && "Unknown physical register!");
@@ -64,8 +61,10 @@ void ScheduleDAG::EmitCrossRCCopy(SUnit *SU,
       bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase)).second;
       isNew = isNew; // Silence compiler warning.
       assert(isNew && "Node emitted out of order - early");
-      TII->copyRegToReg(*BB, BB->end(), VRBase, I->getReg(),
-                        SU->CopyDstRC, SU->CopySrcRC);
+      bool Success = TII->copyRegToReg(*BB, InsertPos, VRBase, I->getReg(),
+                                       SU->CopyDstRC, SU->CopySrcRC);
+      (void)Success;
+      assert(Success && "copyRegToReg failed!");
     }
     break;
   }