/*
* Copyright ( C ) 2015 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 assertIntEquals(int expected, int result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
public static void assertStringEquals(String expected, String result) {
if (expected != null ? !expected.equals(result) : result != null ) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
public static void assertClassEquals(Class <?> expected, Class <?> result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
private static int $noinline$foo(int x) {
return x;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: int Main.testSimple(int) builder (after)
/// CHECK: InvokeStaticOrDirect method_load_kind:BssEntry
/// CHECK-START-X86: int Main.testSimple(int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testSimple(int) pc_relative_fixups_x86 (after)
/// CHECK: X86ComputeBaseMethodAddress
/// CHECK-NOT: X86ComputeBaseMethodAddress
public static int testSimple(int x) {
// This call should use PC-relative .bss array load to retrieve the target method.
return $noinline$foo(x);
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: int Main.testSimpleAppImage(int) builder (after)
/// CHECK: InvokeStaticOrDirect method_load_kind:AppImageRelRo
/// CHECK-START-X86: int Main.testSimpleAppImage(int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testSimpleAppImage(int) pc_relative_fixups_x86 (after)
/// CHECK: X86ComputeBaseMethodAddress
/// CHECK-NOT: X86ComputeBaseMethodAddress
public static int testSimpleAppImage(int x) {
// This call should use PC-relative .data.img.rel.ro array load to retrieve the target method.
return AppImageClass.$noinline$foo(x);
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: int Main.testDiamond(boolean, int) builder (after)
/// CHECK: InvokeStaticOrDirect method_load_kind:BssEntry
/// CHECK: InvokeStaticOrDirect method_load_kind:BssEntry
/// CHECK-START-X86: int Main.testDiamond(boolean, int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testDiamond(boolean, int) pc_relative_fixups_x86 (after)
/// CHECK: X86ComputeBaseMethodAddress
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testDiamond(boolean, int) pc_relative_fixups_x86 (after)
/// CHECK: X86ComputeBaseMethodAddress
/// CHECK-NEXT: If
public static int testDiamond(boolean negate, int x) {
// These calls should use PC-relative loads to retrieve the target method.
// PC-relative bases used by X86 should be pulled before the If.
if (negate) {
return $noinline$foo(-x);
} else {
return $noinline$foo(x);
}
}
/// CHECK-START-X86: int Main.testLoop(int[], int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testLoop(int[], int) pc_relative_fixups_x86 (after)
/// CHECK: X86ComputeBaseMethodAddress
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testLoop(int[], int) pc_relative_fixups_x86 (after)
/// CHECK: InvokeStaticOrDirect
/// CHECK-NOT: InvokeStaticOrDirect
/// CHECK-START-X86: int Main.testLoop(int[], int) pc_relative_fixups_x86 (after)
/// CHECK: ArrayLength
/// CHECK-NEXT: X86ComputeBaseMethodAddress
/// CHECK-NEXT: Goto
/// CHECK: begin_block
/// CHECK: InvokeStaticOrDirect method_load_kind:BssEntry
public static int testLoop(int [] array, int x) {
// PC-relative bases used by X86 should be pulled before the loop.
for (int i : array) {
x += $noinline$foo(i);
}
return x;
}
/// CHECK-START-X86: int Main.testLoopWithDiamond(int[], boolean, int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: int Main.testLoopWithDiamond(int[], boolean, int) pc_relative_fixups_x86 (after)
/// CHECK: If
/// CHECK: begin_block
/// CHECK: ArrayLength
/// CHECK-NEXT: X86ComputeBaseMethodAddress
/// CHECK-NEXT: Goto
public static int testLoopWithDiamond(int [] array, boolean negate, int x) {
// PC-relative bases used by X86 should be pulled before the loop but not outside the if.
if (array != null ) {
for (int i : array) {
if (negate) {
x += $noinline$foo(-i);
} else {
x += $noinline$foo(i);
}
}
}
return x;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.String Main.$noinline$getBootImageString() builder (after)
/// CHECK: LoadString load_kind:BootImageRelRo
public static String $noinline$getBootImageString() {
// Empty string is known to be in the boot image.
return "" ;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.String Main.$noinline$getNonBootImageString() builder (after)
/// CHECK: LoadString load_kind:BssEntry
/// CHECK-START-X86: java.lang.String Main.$noinline$getNonBootImageString() pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: java.lang.String Main.$noinline$getNonBootImageString() pc_relative_fixups_x86 (after)
/// CHECK-DAG: X86ComputeBaseMethodAddress
/// CHECK-DAG: LoadString load_kind:BssEntry
public static String $noinline$getNonBootImageString() {
// This string is not in the boot image.
return "non-boot-image-string" ;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.Class Main.$noinline$getStringClass() builder (after)
/// CHECK: LoadClass load_kind:BootImageRelRo class_name:java.lang.String
public static Class <?> $noinline$getStringClass() {
// String class is known to be in the boot image.
return String.class ;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.Class Main.$noinline$getOtherClass() builder (after)
/// CHECK: LoadClass load_kind:BssEntry class_name:Other
/// CHECK-START-X86: java.lang.Class Main.$noinline$getOtherClass() pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: java.lang.Class Main.$noinline$getOtherClass() pc_relative_fixups_x86 (after)
/// CHECK-DAG: X86ComputeBaseMethodAddress
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:Other
public static Class <?> $noinline$getOtherClass() {
// Other class is neither in the boot image nor in the app image.
return Other.class ;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.Class Main.$noinline$getAppImageClass() builder (after)
/// CHECK: LoadClass load_kind:AppImageRelRo class_name:AppImageClass
/// CHECK-START-X86: java.lang.Class Main.$noinline$getAppImageClass() pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: java.lang.Class Main.$noinline$getAppImageClass() pc_relative_fixups_x86 (after)
/// CHECK-DAG: X86ComputeBaseMethodAddress
/// CHECK-DAG: LoadClass load_kind:AppImageRelRo class_name:AppImageClass
public static Class <?> $noinline$getAppImageClass() {
// AppImageClass class is in the app image.
return AppImageClass.class ;
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.String Main.$noinline$toHexString(int) builder (after)
/// CHECK: InvokeStaticOrDirect method_load_kind:BootImageRelRo
public static String $noinline$toHexString(int value) {
return Integer.toString(value, 16 );
}
/// CHECK-START-{ARM,ARM64,X86,X86_64,RISCV64}: java.lang.String Main.$noinline$toHexStringIndirect(int) builder (after)
/// CHECK: InvokeStaticOrDirect method_load_kind:BssEntry
/// CHECK-START-X86: java.lang.String Main.$noinline$toHexStringIndirect(int) pc_relative_fixups_x86 (before)
/// CHECK-NOT: X86ComputeBaseMethodAddress
/// CHECK-START-X86: java.lang.String Main.$noinline$toHexStringIndirect(int) pc_relative_fixups_x86 (after)
/// CHECK-DAG: X86ComputeBaseMethodAddress
/// CHECK-DAG: InvokeStaticOrDirect method_load_kind:BssEntry
public static String $noinline$toHexStringIndirect(int value) {
return $noinline$toHexString(value);
}
public static void main(String[] args) {
assertIntEquals(1 , testSimple(1 ));
assertIntEquals(1 , testSimpleAppImage(1 ));
assertIntEquals(1 , testDiamond(false , 1 ));
assertIntEquals(-1 , testDiamond(true , 1 ));
assertIntEquals(3 , testLoop(new int []{ 2 }, 1 ));
assertIntEquals(8 , testLoop(new int []{ 3 , 4 }, 1 ));
assertIntEquals(1 , testLoopWithDiamond(null , false , 1 ));
assertIntEquals(3 , testLoopWithDiamond(new int []{ 2 }, false , 1 ));
assertIntEquals(-6 , testLoopWithDiamond(new int []{ 3 , 4 }, true , 1 ));
assertStringEquals("" , $noinline$getBootImageString());
assertStringEquals("non-boot-image-string" , $noinline$getNonBootImageString());
assertClassEquals(String.class , $noinline$getStringClass());
assertClassEquals(Other.class , $noinline$getOtherClass());
assertStringEquals("12345678" , $noinline$toHexString(0 x12345678));
assertStringEquals("76543210" , $noinline$toHexStringIndirect(0 x76543210));
}
}
class AppImageClass {
public static int $noinline$foo(int x) {
return x;
}
}
class Other {
}
class MainExtension extends Main {
}
Messung V0.5 in Prozent C=83 H=85 G=83
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-06-29)
¤
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