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-rw-r--r--compiler/optimizing/graph_checker.cc9
-rw-r--r--compiler/optimizing/inliner.cc4
-rw-r--r--compiler/optimizing/intrinsics.h11
-rw-r--r--test/2273-checker-unreachable-intrinsics/expected-stderr.txt0
-rw-r--r--test/2273-checker-unreachable-intrinsics/expected-stdout.txt0
-rw-r--r--test/2273-checker-unreachable-intrinsics/info.txt1
-rw-r--r--test/2273-checker-unreachable-intrinsics/src/Main.java41
7 files changed, 57 insertions, 9 deletions
diff --git a/compiler/optimizing/graph_checker.cc b/compiler/optimizing/graph_checker.cc
index 8f2f25355d..d4b0bf2e81 100644
--- a/compiler/optimizing/graph_checker.cc
+++ b/compiler/optimizing/graph_checker.cc
@@ -739,14 +739,7 @@ void GraphChecker::VisitInvoke(HInvoke* invoke) {
// Check for intrinsics which should have been replaced by intermediate representation in the
// instruction builder.
- if (IsIntrinsicWithSpecializedHir(invoke->GetIntrinsic()) &&
- // FIXME: The inliner can currently create graphs with any of the intrinsics with HIR.
- // However, we are able to compensate for `StringCharAt` and `StringLength` in the
- // `HInstructionSimplifier`, so we're allowing these two intrinsics for now, preserving
- // the old behavior. Besides fixing the bug, we should also clean up the simplifier
- // and remove `SimplifyStringCharAt` and `SimplifyStringLength`. Bug: 319045458
- invoke->GetIntrinsic() != Intrinsics::kStringCharAt &&
- invoke->GetIntrinsic() != Intrinsics::kStringLength) {
+ if (!IsValidIntrinsicAfterBuilder(invoke->GetIntrinsic())) {
AddError(
StringPrintf("The graph contains the instrinsic %d which should have been replaced in the "
"instruction builder: %s:%d in block %d.",
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index e0bf028138..16abf0b0de 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -1543,7 +1543,9 @@ bool HInliner::TryBuildAndInline(HInvoke* invoke_instruction,
bool is_speculative) {
// If invoke_instruction is devirtualized to a different method, give intrinsics
// another chance before we try to inline it.
- if (invoke_instruction->GetResolvedMethod() != method && method->IsIntrinsic()) {
+ if (invoke_instruction->GetResolvedMethod() != method &&
+ method->IsIntrinsic() &&
+ IsValidIntrinsicAfterBuilder(static_cast<Intrinsics>(method->GetIntrinsic()))) {
MaybeRecordStat(stats_, MethodCompilationStat::kIntrinsicRecognized);
// For simplicity, always create a new instruction to replace the existing
// invoke.
diff --git a/compiler/optimizing/intrinsics.h b/compiler/optimizing/intrinsics.h
index d14d264204..0a431b8aa8 100644
--- a/compiler/optimizing/intrinsics.h
+++ b/compiler/optimizing/intrinsics.h
@@ -177,6 +177,17 @@ static inline bool IsIntrinsicWithSpecializedHir(Intrinsics intrinsic) {
}
}
+static inline bool IsValidIntrinsicAfterBuilder(Intrinsics intrinsic) {
+ return !IsIntrinsicWithSpecializedHir(intrinsic) ||
+ // FIXME: The inliner can currently create graphs with any of the intrinsics with HIR.
+ // However, we are able to compensate for `StringCharAt` and `StringLength` in the
+ // `HInstructionSimplifier`, so we're allowing these two intrinsics for now, preserving
+ // the old behavior. Besides fixing the bug, we should also clean up the simplifier
+ // and remove `SimplifyStringCharAt` and `SimplifyStringLength`. Bug: 319045458
+ intrinsic == Intrinsics::kStringCharAt ||
+ intrinsic == Intrinsics::kStringLength;
+}
+
#define GENERIC_OPTIMIZATION(name, bit) \
public: \
void Set##name() { SetBit(k##name); } \
diff --git a/test/2273-checker-unreachable-intrinsics/expected-stderr.txt b/test/2273-checker-unreachable-intrinsics/expected-stderr.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/2273-checker-unreachable-intrinsics/expected-stderr.txt
diff --git a/test/2273-checker-unreachable-intrinsics/expected-stdout.txt b/test/2273-checker-unreachable-intrinsics/expected-stdout.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/2273-checker-unreachable-intrinsics/expected-stdout.txt
diff --git a/test/2273-checker-unreachable-intrinsics/info.txt b/test/2273-checker-unreachable-intrinsics/info.txt
new file mode 100644
index 0000000000..ac5b617580
--- /dev/null
+++ b/test/2273-checker-unreachable-intrinsics/info.txt
@@ -0,0 +1 @@
+Tests we don't inline intrinsics with specialized HIR
diff --git a/test/2273-checker-unreachable-intrinsics/src/Main.java b/test/2273-checker-unreachable-intrinsics/src/Main.java
new file mode 100644
index 0000000000..d2b6cdec0e
--- /dev/null
+++ b/test/2273-checker-unreachable-intrinsics/src/Main.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+ public static void main(String[] args) {
+ assertEquals(false, $noinline$testIsEmpty("Hello"));
+ assertEquals(true, $noinline$testIsEmpty(""));
+ }
+
+ // Even though `str` is of type String, we keep the CharSequence.isEmpty since String.IsEmpty is
+ // an intrinsic with specialized HIR.
+
+ /// CHECK-START: boolean Main.$noinline$testIsEmpty(java.lang.String) inliner (after)
+ /// CHECK: InvokeInterface method_name:java.lang.CharSequence.isEmpty
+ private static boolean $noinline$testIsEmpty(String str) {
+ return $inline$IsEmpty(str);
+ }
+
+ private static boolean $inline$IsEmpty(CharSequence chr) {
+ return chr.isEmpty();
+ }
+
+ private static void assertEquals(boolean expected, boolean actual) {
+ if (expected != actual) {
+ throw new AssertionError("Wrong result: " + expected + " != " + actual);
+ }
+ }
+}