Fixing cpplint readability/check issues

Change-Id: Ia81db7238b4a13ff2e585aaac9d5e3e91df1e3e0
diff --git a/Android.mk b/Android.mk
index 8331b69..94b7a65 100644
--- a/Android.mk
+++ b/Android.mk
@@ -334,7 +334,7 @@
 .PHONY: cpplint-art
 cpplint-art:
 	./art/tools/cpplint.py \
-	    --filter=-,+build/header_guard,+whitespace/braces,+whitespace/comma,+runtime/explicit,+whitespace/newline,+whitespace/parens,+build/namespaces,+readability/fn_size,+whitespace/operators,+readability/braces,+whitespace/indent,+whitespace/blank_line,+whitespace/end_of_line,+whitespace/labels,+whitespace/semicolon,+legal/copyright,+readability/casting \
+	    --filter=-,+build/header_guard,+whitespace/braces,+whitespace/comma,+runtime/explicit,+whitespace/newline,+whitespace/parens,+build/namespaces,+readability/fn_size,+whitespace/operators,+readability/braces,+whitespace/indent,+whitespace/blank_line,+whitespace/end_of_line,+whitespace/labels,+whitespace/semicolon,+legal/copyright,+readability/casting,+readability/check \
 	    $(shell find art -name *.h -o -name *$(ART_CPP_EXTENSION) | grep -v art/compiler/llvm/generated/)
 
 # "mm cpplint-art-aspirational" to see warnings we would like to fix
diff --git a/compiler/dex/mir_graph.cc b/compiler/dex/mir_graph.cc
index c2ee8e8..90e68ab 100644
--- a/compiler/dex/mir_graph.cc
+++ b/compiler/dex/mir_graph.cc
@@ -543,7 +543,7 @@
   if (current_method_ == 0) {
     DCHECK(entry_block_ == NULL);
     DCHECK(exit_block_ == NULL);
-    DCHECK(num_blocks_ == 0);
+    DCHECK_EQ(num_blocks_, 0);
     entry_block_ = NewMemBB(kEntryBlock, num_blocks_++);
     exit_block_ = NewMemBB(kExitBlock, num_blocks_++);
     block_list_.Insert(entry_block_);
diff --git a/compiler/dex/quick/arm/int_arm.cc b/compiler/dex/quick/arm/int_arm.cc
index 3a367c9..15d361e 100644
--- a/compiler/dex/quick/arm/int_arm.cc
+++ b/compiler/dex/quick/arm/int_arm.cc
@@ -121,8 +121,8 @@
                                           int64_t val, ConditionCode ccode) {
   int32_t val_lo = Low32Bits(val);
   int32_t val_hi = High32Bits(val);
-  DCHECK(ModifiedImmediate(val_lo) >= 0);
-  DCHECK(ModifiedImmediate(val_hi) >= 0);
+  DCHECK_GE(ModifiedImmediate(val_lo), 0);
+  DCHECK_GE(ModifiedImmediate(val_hi), 0);
   LIR* taken = &block_label_list_[bb->taken->id];
   LIR* not_taken = &block_label_list_[bb->fall_through->id];
   rl_src1 = LoadValueWide(rl_src1, kCoreReg);
diff --git a/compiler/llvm/gbc_expander.cc b/compiler/llvm/gbc_expander.cc
index a7793ae..c990ee6 100644
--- a/compiler/llvm/gbc_expander.cc
+++ b/compiler/llvm/gbc_expander.cc
@@ -873,7 +873,7 @@
         break;
 
       case art::kVirtual:
-        DCHECK(vtable_idx != -1);
+        DCHECK_NE(vtable_idx, -1);
         callee_method_object_addr =
             EmitLoadVirtualCalleeMethodObjectAddr(vtable_idx, this_addr);
         break;
@@ -1073,7 +1073,7 @@
   uint32_t element_jty =
     llvm::cast<llvm::ConstantInt>(call_inst.getArgOperand(1))->getZExtValue();
 
-  DCHECK(call_inst.getNumArgOperands() > 2);
+  DCHECK_GT(call_inst.getNumArgOperands(), 2U);
   unsigned num_elements = (call_inst.getNumArgOperands() - 2);
 
   bool is_elem_int_ty = (static_cast<JType>(element_jty) == kInt);
@@ -3698,7 +3698,7 @@
                                 irb_.getJDoubleTy());
     }
     case IntrinsicHelper::ConstObj: {
-      CHECK(LV2UInt(call_inst.getArgOperand(0)) == 0);
+      CHECK_EQ(LV2UInt(call_inst.getArgOperand(0)), 0U);
       return irb_.getJNull();
     }
 
diff --git a/runtime/gc/accounting/space_bitmap_test.cc b/runtime/gc/accounting/space_bitmap_test.cc
index 806f301..e70704f 100644
--- a/runtime/gc/accounting/space_bitmap_test.cc
+++ b/runtime/gc/accounting/space_bitmap_test.cc
@@ -49,7 +49,7 @@
   void operator()(const mirror::Object* obj) {
     EXPECT_TRUE(obj >= begin_);
     EXPECT_TRUE(obj <= end_);
-    EXPECT_TRUE(bitmap_->Test(obj) == ((reinterpret_cast<uintptr_t>(obj) & 0xF) != 0));
+    EXPECT_EQ(bitmap_->Test(obj), ((reinterpret_cast<uintptr_t>(obj) & 0xF) != 0));
   }
 
   SpaceBitmap* bitmap_;
diff --git a/runtime/gc/heap.cc b/runtime/gc/heap.cc
index 341b62f..dd76f3e 100644
--- a/runtime/gc/heap.cc
+++ b/runtime/gc/heap.cc
@@ -210,7 +210,7 @@
     mark_sweep_collectors_.push_back(new collector::StickyMarkSweep(this, concurrent));
   }
 
-  CHECK(max_allowed_footprint_ != 0);
+  CHECK_NE(max_allowed_footprint_, 0U);
   if (VLOG_IS_ON(heap) || VLOG_IS_ON(startup)) {
     LOG(INFO) << "Heap() exiting";
   }
diff --git a/runtime/gc/space/dlmalloc_space.cc b/runtime/gc/space/dlmalloc_space.cc
index 02acd28..9f85394 100644
--- a/runtime/gc/space/dlmalloc_space.cc
+++ b/runtime/gc/space/dlmalloc_space.cc
@@ -131,8 +131,8 @@
   size_t bitmap_index = bitmap_index_++;
 
   static const uintptr_t kGcCardSize = static_cast<uintptr_t>(accounting::CardTable::kCardSize);
-  CHECK(reinterpret_cast<uintptr_t>(mem_map->Begin()) % kGcCardSize == 0);
-  CHECK(reinterpret_cast<uintptr_t>(mem_map->End()) % kGcCardSize == 0);
+  CHECK_EQ(reinterpret_cast<uintptr_t>(mem_map->Begin()) % kGcCardSize, 0U);
+  CHECK_EQ(reinterpret_cast<uintptr_t>(mem_map->End()) % kGcCardSize, 0U);
   live_bitmap_.reset(accounting::SpaceBitmap::Create(
       StringPrintf("allocspace %s live-bitmap %d", name.c_str(), static_cast<int>(bitmap_index)),
       Begin(), Capacity()));
diff --git a/runtime/gc/space/large_object_space.cc b/runtime/gc/space/large_object_space.cc
index 6aedd9c..d7db561 100644
--- a/runtime/gc/space/large_object_space.cc
+++ b/runtime/gc/space/large_object_space.cc
@@ -125,7 +125,7 @@
 }
 
 FreeListSpace* FreeListSpace::Create(const std::string& name, byte* requested_begin, size_t size) {
-  CHECK(size % kAlignment == 0);
+  CHECK_EQ(size % kAlignment, 0U);
   MemMap* mem_map = MemMap::MapAnonymous(name.c_str(), requested_begin, size,
                                          PROT_READ | PROT_WRITE);
   CHECK(mem_map != NULL) << "Failed to allocate large object space mem map";
diff --git a/runtime/jdwp/jdwp_adb.cc b/runtime/jdwp/jdwp_adb.cc
index 2bfe63e..cbf35be 100644
--- a/runtime/jdwp/jdwp_adb.cc
+++ b/runtime/jdwp/jdwp_adb.cc
@@ -297,7 +297,7 @@
 bool JdwpAdbState::ProcessIncoming() {
   int readCount;
 
-  CHECK(clientSock != -1);
+  CHECK_NE(clientSock, -1);
 
   if (!HaveFullPacket()) {
     /* read some more, looping until we have data */
@@ -371,7 +371,7 @@
           LOG(INFO) << "Ignoring second debugger -- accepting and dropping";
           close(sock);
         } else {
-          CHECK(control_sock_ == -1);
+          CHECK_EQ(control_sock_, -1);
           /*
            * Remote side most likely went away, so our next read
            * on clientSock will fail and throw us out of the loop.
diff --git a/runtime/jdwp/jdwp_socket.cc b/runtime/jdwp/jdwp_socket.cc
index 87706a4..3f5546e 100644
--- a/runtime/jdwp/jdwp_socket.cc
+++ b/runtime/jdwp/jdwp_socket.cc
@@ -218,7 +218,7 @@
     return false;       /* you're not listening! */
   }
 
-  CHECK(clientSock == -1);      /* must not already be talking */
+  CHECK_EQ(clientSock, -1);      /* must not already be talking */
 
   addrlen = sizeof(addr);
   do {
@@ -348,7 +348,7 @@
 bool JdwpSocketState::ProcessIncoming() {
   int readCount;
 
-  CHECK(clientSock != -1);
+  CHECK_NE(clientSock, -1);
 
   if (!HaveFullPacket()) {
     /* read some more, looping until we have data */
diff --git a/runtime/oat/runtime/support_instrumentation.cc b/runtime/oat/runtime/support_instrumentation.cc
index 1f1b952..7ecd296 100644
--- a/runtime/oat/runtime/support_instrumentation.cc
+++ b/runtime/oat/runtime/support_instrumentation.cc
@@ -51,7 +51,7 @@
   *sp = callee_save;
   uintptr_t* return_pc = reinterpret_cast<uintptr_t*>(reinterpret_cast<byte*>(sp) +
                                                       callee_save->GetReturnPcOffsetInBytes());
-  CHECK(*return_pc == 0);
+  CHECK_EQ(*return_pc, 0U);
   self->SetTopOfStack(sp, 0);
   self->VerifyStack();
   instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();