Rename ASSERT* to DCHECK*.

src/arm/lithium-gap-resolver-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arm/lithium-codegen-arm.h"
 #include "src/arm/lithium-gap-resolver-arm.h"
 
 namespace v8 {
@@ skipping 11 matching lines @@
 
 LGapResolver::LGapResolver(LCodeGen* owner)
     : cgen_(owner), moves_(32, owner->zone()), root_index_(0), in_cycle_(false),
       saved_destination_(NULL), need_to_restore_root_(false) { }
 
 
 #define __ ACCESS_MASM(cgen_->masm())
 
 
 void LGapResolver::Resolve(LParallelMove* parallel_move) {
-  ASSERT(moves_.is_empty());
+  DCHECK(moves_.is_empty());
   // Build up a worklist of moves.
   BuildInitialMoveList(parallel_move);
 
   for (int i = 0; i < moves_.length(); ++i) {
     LMoveOperands move = moves_[i];
     // Skip constants to perform them last.  They don't block other moves
     // and skipping such moves with register destinations keeps those
     // registers free for the whole algorithm.
     if (!move.IsEliminated() && !move.source()->IsConstantOperand()) {
       root_index_ = i;  // Any cycle is found when by reaching this move again.
       PerformMove(i);
       if (in_cycle_) {
         RestoreValue();
       }
     }
   }
 
   // Perform the moves with constant sources.
   for (int i = 0; i < moves_.length(); ++i) {
     if (!moves_[i].IsEliminated()) {
-      ASSERT(moves_[i].source()->IsConstantOperand());
+      DCHECK(moves_[i].source()->IsConstantOperand());
       EmitMove(i);
     }
   }
 
   if (need_to_restore_root_) {
-    ASSERT(kSavedValueRegister.is(kRootRegister));
+    DCHECK(kSavedValueRegister.is(kRootRegister));
     __ InitializeRootRegister();
     need_to_restore_root_ = false;
   }
 
   moves_.Rewind(0);
 }
 
 
 void LGapResolver::BuildInitialMoveList(LParallelMove* parallel_move) {
   // Perform a linear sweep of the moves to add them to the initial list of
@@ skipping 17 matching lines @@
 
   // We can only find a cycle, when doing a depth-first traversal of moves,
   // be encountering the starting move again. So by spilling the source of
   // the starting move, we break the cycle.  All moves are then unblocked,
   // and the starting move is completed by writing the spilled value to
   // its destination.  All other moves from the spilled source have been
   // completed prior to breaking the cycle.
   // An additional complication is that moves to MemOperands with large
   // offsets (more than 1K or 4K) require us to spill this spilled value to
   // the stack, to free up the register.
-  ASSERT(!moves_[index].IsPending());
-  ASSERT(!moves_[index].IsRedundant());
+  DCHECK(!moves_[index].IsPending());
+  DCHECK(!moves_[index].IsRedundant());
 
   // Clear this move's destination to indicate a pending move.  The actual
   // destination is saved in a stack allocated local.  Multiple moves can
   // be pending because this function is recursive.
-  ASSERT(moves_[index].source() != NULL);  // Or else it will look eliminated.
+  DCHECK(moves_[index].source() != NULL);  // Or else it will look eliminated.
   LOperand* destination = moves_[index].destination();
   moves_[index].set_destination(NULL);
 
   // Perform a depth-first traversal of the move graph to resolve
   // dependencies.  Any unperformed, unpending move with a source the same
   // as this one's destination blocks this one so recursively perform all
   // such moves.
   for (int i = 0; i < moves_.length(); ++i) {
     LMoveOperands other_move = moves_[i];
     if (other_move.Blocks(destination) && !other_move.IsPending()) {
       PerformMove(i);
       // If there is a blocking, pending move it must be moves_[root_index_]
       // and all other moves with the same source as moves_[root_index_] are
       // sucessfully executed (because they are cycle-free) by this loop.
     }
   }
 
   // We are about to resolve this move and don't need it marked as
   // pending, so restore its destination.
   moves_[index].set_destination(destination);
 
   // The move may be blocked on a pending move, which must be the starting move.
   // In this case, we have a cycle, and we save the source of this move to
   // a scratch register to break it.
   LMoveOperands other_move = moves_[root_index_];
   if (other_move.Blocks(destination)) {
-    ASSERT(other_move.IsPending());
+    DCHECK(other_move.IsPending());
     BreakCycle(index);
     return;
   }
 
   // This move is no longer blocked.
   EmitMove(index);
 }
 
 
 void LGapResolver::Verify() {
-#ifdef ENABLE_SLOW_ASSERTS
+#ifdef ENABLE_SLOW_DCHECKS
   // No operand should be the destination for more than one move.
   for (int i = 0; i < moves_.length(); ++i) {
     LOperand* destination = moves_[i].destination();
     for (int j = i + 1; j < moves_.length(); ++j) {
-      SLOW_ASSERT(!destination->Equals(moves_[j].destination()));
+      SLOW_DCHECK(!destination->Equals(moves_[j].destination()));
     }
   }
 #endif
 }
 
 
 void LGapResolver::BreakCycle(int index) {
   // We save in a register the source of that move and we remember its
   // destination. Then we mark this move as resolved so the cycle is
   // broken and we can perform the other moves.
-  ASSERT(moves_[index].destination()->Equals(moves_[root_index_].source()));
-  ASSERT(!in_cycle_);
+  DCHECK(moves_[index].destination()->Equals(moves_[root_index_].source()));
+  DCHECK(!in_cycle_);
   in_cycle_ = true;
   LOperand* source = moves_[index].source();
   saved_destination_ = moves_[index].destination();
   if (source->IsRegister()) {
     need_to_restore_root_ = true;
     __ mov(kSavedValueRegister, cgen_->ToRegister(source));
   } else if (source->IsStackSlot()) {
     need_to_restore_root_ = true;
     __ ldr(kSavedValueRegister, cgen_->ToMemOperand(source));
   } else if (source->IsDoubleRegister()) {
     __ vmov(kScratchDoubleReg, cgen_->ToDoubleRegister(source));
   } else if (source->IsDoubleStackSlot()) {
     __ vldr(kScratchDoubleReg, cgen_->ToMemOperand(source));
   } else {
     UNREACHABLE();
   }
   // This move will be done by restoring the saved value to the destination.
   moves_[index].Eliminate();
 }
 
 
 void LGapResolver::RestoreValue() {
-  ASSERT(in_cycle_);
-  ASSERT(saved_destination_ != NULL);
+  DCHECK(in_cycle_);
+  DCHECK(saved_destination_ != NULL);
 
   if (saved_destination_->IsRegister()) {
     __ mov(cgen_->ToRegister(saved_destination_), kSavedValueRegister);
   } else if (saved_destination_->IsStackSlot()) {
     __ str(kSavedValueRegister, cgen_->ToMemOperand(saved_destination_));
   } else if (saved_destination_->IsDoubleRegister()) {
     __ vmov(cgen_->ToDoubleRegister(saved_destination_), kScratchDoubleReg);
   } else if (saved_destination_->IsDoubleStackSlot()) {
     __ vstr(kScratchDoubleReg, cgen_->ToMemOperand(saved_destination_));
   } else {
@@ skipping 10 matching lines @@
   LOperand* destination = moves_[index].destination();
 
   // Dispatch on the source and destination operand kinds.  Not all
   // combinations are possible.
 
   if (source->IsRegister()) {
     Register source_register = cgen_->ToRegister(source);
     if (destination->IsRegister()) {
       __ mov(cgen_->ToRegister(destination), source_register);
     } else {
-      ASSERT(destination->IsStackSlot());
+      DCHECK(destination->IsStackSlot());
       __ str(source_register, cgen_->ToMemOperand(destination));
     }
   } else if (source->IsStackSlot()) {
     MemOperand source_operand = cgen_->ToMemOperand(source);
     if (destination->IsRegister()) {
       __ ldr(cgen_->ToRegister(destination), source_operand);
     } else {
-      ASSERT(destination->IsStackSlot());
+      DCHECK(destination->IsStackSlot());
       MemOperand destination_operand = cgen_->ToMemOperand(destination);
       if (!destination_operand.OffsetIsUint12Encodable()) {
         // ip is overwritten while saving the value to the destination.
         // Therefore we can't use ip.  It is OK if the read from the source
         // destroys ip, since that happens before the value is read.
         __ vldr(kScratchDoubleReg.low(), source_operand);
         __ vstr(kScratchDoubleReg.low(), destination_operand);
       } else {
         __ ldr(ip, source_operand);
         __ str(ip, destination_operand);
       }
     }
 
   } else if (source->IsConstantOperand()) {
     LConstantOperand* constant_source = LConstantOperand::cast(source);
     if (destination->IsRegister()) {
       Register dst = cgen_->ToRegister(destination);
       Representation r = cgen_->IsSmi(constant_source)
           ? Representation::Smi() : Representation::Integer32();
       if (cgen_->IsInteger32(constant_source)) {
         __ mov(dst, Operand(cgen_->ToRepresentation(constant_source, r)));
       } else {
         __ Move(dst, cgen_->ToHandle(constant_source));
       }
     } else if (destination->IsDoubleRegister()) {
       DwVfpRegister result = cgen_->ToDoubleRegister(destination);
       double v = cgen_->ToDouble(constant_source);
       __ Vmov(result, v, ip);
     } else {
-      ASSERT(destination->IsStackSlot());
-      ASSERT(!in_cycle_);  // Constant moves happen after all cycles are gone.
+      DCHECK(destination->IsStackSlot());
+      DCHECK(!in_cycle_);  // Constant moves happen after all cycles are gone.
       need_to_restore_root_ = true;
       Representation r = cgen_->IsSmi(constant_source)
           ? Representation::Smi() : Representation::Integer32();
       if (cgen_->IsInteger32(constant_source)) {
         __ mov(kSavedValueRegister,
                Operand(cgen_->ToRepresentation(constant_source, r)));
       } else {
         __ Move(kSavedValueRegister, cgen_->ToHandle(constant_source));
       }
       __ str(kSavedValueRegister, cgen_->ToMemOperand(destination));
     }
 
   } else if (source->IsDoubleRegister()) {
     DwVfpRegister source_register = cgen_->ToDoubleRegister(source);
     if (destination->IsDoubleRegister()) {
       __ vmov(cgen_->ToDoubleRegister(destination), source_register);
     } else {
-      ASSERT(destination->IsDoubleStackSlot());
+      DCHECK(destination->IsDoubleStackSlot());
       __ vstr(source_register, cgen_->ToMemOperand(destination));
     }
 
   } else if (source->IsDoubleStackSlot()) {
     MemOperand source_operand = cgen_->ToMemOperand(source);
     if (destination->IsDoubleRegister()) {
       __ vldr(cgen_->ToDoubleRegister(destination), source_operand);
     } else {
-      ASSERT(destination->IsDoubleStackSlot());
+      DCHECK(destination->IsDoubleStackSlot());
       MemOperand destination_operand = cgen_->ToMemOperand(destination);
       if (in_cycle_) {
         // kScratchDoubleReg was used to break the cycle.
         __ vstm(db_w, sp, kScratchDoubleReg, kScratchDoubleReg);
         __ vldr(kScratchDoubleReg, source_operand);
         __ vstr(kScratchDoubleReg, destination_operand);
         __ vldm(ia_w, sp, kScratchDoubleReg, kScratchDoubleReg);
       } else {
         __ vldr(kScratchDoubleReg, source_operand);
         __ vstr(kScratchDoubleReg, destination_operand);
       }
     }
   } else {
     UNREACHABLE();
   }
 
   moves_[index].Eliminate();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal