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author Almaz Mingaleev <mingaleev@google.com> 2024-08-29 09:52:58 +0000
committer Treehugger Robot <android-test-infra-autosubmit@system.gserviceaccount.com> 2024-09-02 11:14:57 +0000
commitf2c43572c8bfd97c2d8bd7581d599d1a9fb2eb32 (patch)
treebfd4f80a3825bf1b3def119e635aad03d27248bc /compiler/optimizing/instruction_builder.cc
parentab13b431d44add08b68d96d99bbb0d0b3f2ce86d (diff)
Address follow-up comments from aosp/2721077.
Bug: 297147201 Test: ./art/test/testrunner/testrunner.py --host --64 -b --optimizing Change-Id: Ie89d310633339b785de5d9f3daf653abfbff875c
Diffstat (limited to 'compiler/optimizing/instruction_builder.cc')
-rw-r--r--compiler/optimizing/instruction_builder.cc10
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/optimizing/instruction_builder.cc b/compiler/optimizing/instruction_builder.cc
index d7553dd14f..356322e85b 100644
--- a/compiler/optimizing/instruction_builder.cc
+++ b/compiler/optimizing/instruction_builder.cc
@@ -1391,9 +1391,13 @@ bool HInstructionBuilder::BuildInvokePolymorphic(uint32_t dex_pc,
MethodReference method_reference(&graph_->GetDexFile(), method_idx);
+ // MethodHandle.invokeExact intrinsic needs to check whether call-site matches with MethodHandle's
+ // type. To do that, MethodType corresponding to the call-site is passed as an extra input.
+ // Other invoke-polymorphic calls do not need it.
bool is_invoke_exact =
static_cast<Intrinsics>(resolved_method->GetIntrinsic()) ==
Intrinsics::kMethodHandleInvokeExact;
+ // Currently intrinsic works for MethodHandle targeting invoke-virtual calls only.
bool can_be_virtual = number_of_arguments >= 2 &&
DataType::FromShorty(shorty[1]) == DataType::Type::kReference;
@@ -1414,7 +1418,7 @@ bool HInstructionBuilder::BuildInvokePolymorphic(uint32_t dex_pc,
return false;
}
- DCHECK_EQ(invoke->AsInvokePolymorphic()->CanTargetInvokeVirtual(), can_be_intrinsified);
+ DCHECK_EQ(invoke->AsInvokePolymorphic()->CanHaveFastPath(), can_be_intrinsified);
if (invoke->GetIntrinsic() != Intrinsics::kNone &&
invoke->GetIntrinsic() != Intrinsics::kMethodHandleInvoke &&
@@ -1896,7 +1900,9 @@ bool HInstructionBuilder::SetupInvokeArguments(HInstruction* invoke,
if (invoke->IsInvokePolymorphic()) {
HInvokePolymorphic* invoke_polymorphic = invoke->AsInvokePolymorphic();
- if (invoke_polymorphic->CanTargetInvokeVirtual()) {
+ // MethodHandle.invokeExact intrinsic expects MethodType corresponding to the call-site as an
+ // extra input to determine whether to throw WrongMethodTypeException or execute target method.
+ if (invoke_polymorphic->CanHaveFastPath()) {
HLoadMethodType* load_method_type =
new (allocator_) HLoadMethodType(graph_->GetCurrentMethod(),
invoke_polymorphic->GetProtoIndex(),