Enable machine specification behind flag
for retarget core lib member only
Bug: 184026720
Change-Id: I4e3f79fda8f2743a17251964eb1b9d21a58a300f
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineDesugaredLibrarySpecification.java b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineDesugaredLibrarySpecification.java
index aac8c01..2a88f9a 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineDesugaredLibrarySpecification.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineDesugaredLibrarySpecification.java
@@ -15,4 +15,12 @@
this.libraryCompilation = libraryCompilation;
this.rewritingFlags = rewritingFlags;
}
+
+ public boolean isLibraryCompilation() {
+ return libraryCompilation;
+ }
+
+ public MachineRewritingFlags getRewritingFlags() {
+ return rewritingFlags;
+ }
}
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineRewritingFlags.java b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineRewritingFlags.java
index 4fd73d7..f73e1c9 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineRewritingFlags.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/machinespecification/MachineRewritingFlags.java
@@ -37,6 +37,18 @@
// Virtual methods to retarget through emulated dispatch.
private final Map<DexMethod, EmulatedDispatchMethodDescriptor> emulatedVirtualRetarget;
+ public Map<DexMethod, DexMethod> getStaticRetarget() {
+ return staticRetarget;
+ }
+
+ public Map<DexMethod, DexMethod> getNonEmulatedVirtualRetarget() {
+ return nonEmulatedVirtualRetarget;
+ }
+
+ public Map<DexMethod, EmulatedDispatchMethodDescriptor> getEmulatedVirtualRetarget() {
+ return emulatedVirtualRetarget;
+ }
+
public static class Builder {
Builder() {}
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/DesugaredLibraryRetargeterPostProcessor.java b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/DesugaredLibraryRetargeterPostProcessor.java
index 43e7baf..414c32d 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/DesugaredLibraryRetargeterPostProcessor.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/DesugaredLibraryRetargeterPostProcessor.java
@@ -60,7 +60,8 @@
Map<DexType, List<DexMethod>> map = Maps.newIdentityHashMap();
emulatedDispatchMethods.forEach(
(method, descriptor) -> {
- map.putIfAbsent(method.getHolderType(), new ArrayList<>(1)).add(method);
+ map.putIfAbsent(method.getHolderType(), new ArrayList<>(1));
+ map.get(method.getHolderType()).add(method);
});
for (DexProgramClass clazz : programClasses) {
if (clazz.superType == null) {
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/RetargetingInfo.java b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/RetargetingInfo.java
index 9f4a585..eb38e9e 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/RetargetingInfo.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/desugaredlibrary/retargeter/RetargetingInfo.java
@@ -14,6 +14,7 @@
import com.android.tools.r8.ir.desugar.desugaredlibrary.legacyspecification.LegacyDesugaredLibrarySpecification;
import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.DerivedMethod;
import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.EmulatedDispatchMethodDescriptor;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.MachineRewritingFlags;
import com.android.tools.r8.synthesis.SyntheticNaming.SyntheticKind;
import com.android.tools.r8.utils.WorkList;
import com.google.common.collect.ImmutableMap;
@@ -38,7 +39,15 @@
this.emulatedVirtualRetarget = emulatedVirtualRetarget;
}
- public static synchronized RetargetingInfo get(AppView<?> appView) {
+ public static RetargetingInfo get(AppView<?> appView) {
+ if (appView.options().testing.machineDesugaredLibrarySpecification != null) {
+ MachineRewritingFlags rewritingFlags =
+ appView.options().testing.machineDesugaredLibrarySpecification.getRewritingFlags();
+ return new RetargetingInfo(
+ rewritingFlags.getStaticRetarget(),
+ rewritingFlags.getNonEmulatedVirtualRetarget(),
+ rewritingFlags.getEmulatedVirtualRetarget());
+ }
return new RetargetingInfoBuilder(appView).computeRetargetingInfo();
}
diff --git a/src/main/java/com/android/tools/r8/utils/InternalOptions.java b/src/main/java/com/android/tools/r8/utils/InternalOptions.java
index 8daa0a9..c1dc2c9 100644
--- a/src/main/java/com/android/tools/r8/utils/InternalOptions.java
+++ b/src/main/java/com/android/tools/r8/utils/InternalOptions.java
@@ -54,6 +54,7 @@
import com.android.tools.r8.inspector.internal.InspectorImpl;
import com.android.tools.r8.ir.code.IRCode;
import com.android.tools.r8.ir.desugar.desugaredlibrary.legacyspecification.LegacyDesugaredLibrarySpecification;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.MachineDesugaredLibrarySpecification;
import com.android.tools.r8.ir.desugar.nest.Nest;
import com.android.tools.r8.ir.optimize.Inliner;
import com.android.tools.r8.ir.optimize.enums.EnumDataMap;
@@ -1613,6 +1614,9 @@
public Consumer<Deque<ProgramMethodSet>> waveModifier = waves -> {};
+ // Meant to replace desugaredLibrarySpecification, set only from tests at the moment.
+ public MachineDesugaredLibrarySpecification machineDesugaredLibrarySpecification = null;
+
/**
* If this flag is enabled, we will also compute the set of possible targets for invoke-
* interface and invoke-virtual instructions that target a library method, and add the
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
index 61a1bf8..6bf49a0 100644
--- a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
@@ -5,7 +5,13 @@
package com.android.tools.r8.desugar.desugaredlibrary;
import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.humanspecification.HumanDesugaredLibrarySpecification;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.MachineDesugaredLibrarySpecification;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.specificationconversion.HumanToMachineSpecificationConverter;
+import com.android.tools.r8.ir.desugar.desugaredlibrary.specificationconversion.LegacyToHumanSpecificationConverter;
import com.android.tools.r8.utils.BooleanUtils;
+import com.android.tools.r8.utils.InternalOptions;
+import java.io.IOException;
import java.nio.file.Path;
import java.time.Instant;
import java.time.ZonedDateTime;
@@ -25,15 +31,19 @@
private final TestParameters parameters;
private final boolean shrinkDesugaredLibrary;
+ private final boolean machineSpec;
- @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}")
+ @Parameters(name = "machine: {0}, {2}, shrink: {1}")
public static List<Object[]> data() {
return buildParameters(
BooleanUtils.values(),
+ BooleanUtils.values(),
getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build());
}
- public RetargetOverrideTest(boolean shrinkDesugaredLibrary, TestParameters parameters) {
+ public RetargetOverrideTest(
+ boolean machineSpec, boolean shrinkDesugaredLibrary, TestParameters parameters) {
+ this.machineSpec = machineSpec;
this.shrinkDesugaredLibrary = shrinkDesugaredLibrary;
this.parameters = parameters;
}
@@ -44,6 +54,7 @@
Path desugaredTwice =
testForD8(Backend.CF)
.addLibraryFiles(getLibraryFile())
+ .addOptionsModification(this::setMachineSpec)
.addProgramFiles(
testForD8(Backend.CF)
.addLibraryFiles(getLibraryFile())
@@ -65,6 +76,7 @@
stdout =
testForD8(Backend.DEX)
.addProgramFiles(desugaredTwice)
+ .addOptionsModification(this::setMachineSpec)
.setMinApi(parameters.getApiLevel())
.disableDesugaring()
.compile()
@@ -95,6 +107,22 @@
assertLines2By2Correct(stdout);
}
+ private void setMachineSpec(InternalOptions opt) {
+ if (!machineSpec) {
+ return;
+ }
+ try {
+ HumanDesugaredLibrarySpecification human =
+ new LegacyToHumanSpecificationConverter()
+ .convert(opt.desugaredLibrarySpecification, getLibraryFile(), opt);
+ MachineDesugaredLibrarySpecification machine =
+ new HumanToMachineSpecificationConverter().convert(human, getLibraryFile(), opt);
+ opt.testing.machineDesugaredLibrarySpecification = machine;
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
@Test
public void testRetargetOverrideD8() throws Exception {
Assume.assumeTrue(parameters.getRuntime().isDex());
@@ -102,6 +130,7 @@
String stdout =
testForD8()
.addLibraryFiles(getLibraryFile())
+ .addOptionsModification(this::setMachineSpec)
.addInnerClasses(RetargetOverrideTest.class)
.enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer)
.setMinApi(parameters.getApiLevel())
@@ -127,6 +156,7 @@
String stdout =
testForR8(Backend.DEX)
.addLibraryFiles(getLibraryFile())
+ .addOptionsModification(this::setMachineSpec)
.addKeepMainRule(Executor.class)
.addInnerClasses(RetargetOverrideTest.class)
.enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer)
