Sharpen HLoadClass from inliner.
Also cleanup HLoadClass constructor.
Test: ART_TEST_JIT=true m test-art-host-run-test
Change-Id: I8f803b05fb8a7267d1421ca9c032e624f27efed3
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index fe4662a..11471af 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -480,13 +480,11 @@
}
// We successfully inlined, now add a guard.
- bool is_referrer =
- (GetMonomorphicType(classes) == outermost_graph_->GetArtMethod()->GetDeclaringClass());
AddTypeGuard(receiver,
cursor,
bb_cursor,
class_index,
- is_referrer,
+ GetMonomorphicType(classes),
invoke_instruction,
/* with_deoptimization */ true);
@@ -525,33 +523,37 @@
HInstruction* cursor,
HBasicBlock* bb_cursor,
dex::TypeIndex class_index,
- bool is_referrer,
+ mirror::Class* klass,
HInstruction* invoke_instruction,
bool with_deoptimization) {
+ ScopedAssertNoThreadSuspension sants("Adding compiler type guard");
+
ClassLinker* class_linker = caller_compilation_unit_.GetClassLinker();
HInstanceFieldGet* receiver_class = BuildGetReceiverClass(
class_linker, receiver, invoke_instruction->GetDexPc());
-
- const DexFile& caller_dex_file = *caller_compilation_unit_.GetDexFile();
- // Note that we will just compare the classes, so we don't need Java semantics access checks.
- // Also, the caller of `AddTypeGuard` must have guaranteed that the class is in the dex cache.
- HLoadClass* load_class = new (graph_->GetArena()) HLoadClass(graph_->GetCurrentMethod(),
- class_index,
- caller_dex_file,
- is_referrer,
- invoke_instruction->GetDexPc(),
- /* needs_access_check */ false,
- /* is_in_dex_cache */ true,
- /* is_in_boot_image */ false);
-
- HNotEqual* compare = new (graph_->GetArena()) HNotEqual(load_class, receiver_class);
- // TODO: Extend reference type propagation to understand the guard.
if (cursor != nullptr) {
bb_cursor->InsertInstructionAfter(receiver_class, cursor);
} else {
bb_cursor->InsertInstructionBefore(receiver_class, bb_cursor->GetFirstInstruction());
}
+
+ const DexFile& caller_dex_file = *caller_compilation_unit_.GetDexFile();
+ bool is_referrer = (klass == outermost_graph_->GetArtMethod()->GetDeclaringClass());
+ // Note that we will just compare the classes, so we don't need Java semantics access checks.
+ // Note that the type index and the dex file are relative to the method this type guard is
+ // inlined into.
+ HLoadClass* load_class = new (graph_->GetArena()) HLoadClass(graph_->GetCurrentMethod(),
+ class_index,
+ caller_dex_file,
+ is_referrer,
+ invoke_instruction->GetDexPc(),
+ /* needs_access_check */ false);
bb_cursor->InsertInstructionAfter(load_class, receiver_class);
+ // Sharpen after adding the instruction, as the sharpening may remove inputs.
+ HSharpening::SharpenClass(load_class, klass, handles_, codegen_, compiler_driver_);
+
+ // TODO: Extend reference type propagation to understand the guard.
+ HNotEqual* compare = new (graph_->GetArena()) HNotEqual(load_class, receiver_class);
bb_cursor->InsertInstructionAfter(compare, load_class);
if (with_deoptimization) {
HDeoptimize* deoptimize = new (graph_->GetArena()) HDeoptimize(
@@ -604,7 +606,6 @@
all_targets_inlined = false;
} else {
one_target_inlined = true;
- bool is_referrer = (classes->Get(i) == outermost_graph_->GetArtMethod()->GetDeclaringClass());
// If we have inlined all targets before, and this receiver is the last seen,
// we deoptimize instead of keeping the original invoke instruction.
@@ -616,8 +617,13 @@
// We do not support HDeoptimize in OSR methods.
deoptimize = false;
}
- HInstruction* compare = AddTypeGuard(
- receiver, cursor, bb_cursor, class_index, is_referrer, invoke_instruction, deoptimize);
+ HInstruction* compare = AddTypeGuard(receiver,
+ cursor,
+ bb_cursor,
+ class_index,
+ classes->Get(i),
+ invoke_instruction,
+ deoptimize);
if (deoptimize) {
if (return_replacement != nullptr) {
invoke_instruction->ReplaceWith(return_replacement);