--- /dev/null
+/*
+ * 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 boolean doThrow = false;
+
+ private static int $noinline$foo(int x) {
+ if (doThrow) { throw new Error(); }
+ return x;
+ }
+
+ /// CHECK-START: int Main.testSimple(int) sharpening (before)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_via_method
+
+ /// CHECK-START-ARM: int Main.testSimple(int) sharpening (after)
+ /// CHECK-NOT: ArmDexCacheArraysBase
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-ARM64: int Main.testSimple(int) sharpening (after)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-X86: int Main.testSimple(int) sharpening (after)
+ /// CHECK-NOT: X86ComputeBaseMethodAddress
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-X86_64: int Main.testSimple(int) sharpening (after)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-ARM: int Main.testSimple(int) dex_cache_array_fixups_arm (after)
+ /// CHECK: ArmDexCacheArraysBase
+ /// CHECK-NOT: ArmDexCacheArraysBase
+
+ /// 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 dex cache array load to retrieve the target method.
+ return $noinline$foo(x);
+ }
+
+ /// CHECK-START: int Main.testDiamond(boolean, int) sharpening (before)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_via_method
+
+ /// CHECK-START-ARM: int Main.testDiamond(boolean, int) sharpening (after)
+ /// CHECK-NOT: ArmDexCacheArraysBase
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-ARM64: int Main.testDiamond(boolean, int) sharpening (after)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-X86: int Main.testDiamond(boolean, int) sharpening (after)
+ /// CHECK-NOT: X86ComputeBaseMethodAddress
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-X86_64: int Main.testDiamond(boolean, int) sharpening (after)
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ /// CHECK-START-ARM: int Main.testDiamond(boolean, int) dex_cache_array_fixups_arm (after)
+ /// CHECK: ArmDexCacheArraysBase
+ /// CHECK-NOT: ArmDexCacheArraysBase
+
+ /// CHECK-START-ARM: int Main.testDiamond(boolean, int) dex_cache_array_fixups_arm (after)
+ /// CHECK: ArmDexCacheArraysBase
+ /// CHECK-NEXT: If
+
+ /// 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 dex cache array loads to retrieve the target method.
+ // PC-relative bases used by X86 and ARM 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:dex_cache_pc_relative
+
+ /// CHECK-START-ARM: int Main.testLoop(int[], int) dex_cache_array_fixups_arm (before)
+ /// CHECK-NOT: ArmDexCacheArraysBase
+
+ /// CHECK-START-ARM: int Main.testLoop(int[], int) dex_cache_array_fixups_arm (after)
+ /// CHECK: ArmDexCacheArraysBase
+ /// CHECK-NOT: ArmDexCacheArraysBase
+
+ /// CHECK-START-ARM: int Main.testLoop(int[], int) dex_cache_array_fixups_arm (after)
+ /// CHECK: InvokeStaticOrDirect
+ /// CHECK-NOT: InvokeStaticOrDirect
+
+ /// CHECK-START-ARM: int Main.testLoop(int[], int) dex_cache_array_fixups_arm (after)
+ /// CHECK: ArrayLength
+ /// CHECK-NEXT: ArmDexCacheArraysBase
+ /// CHECK-NEXT: Goto
+ /// CHECK: begin_block
+ /// CHECK: InvokeStaticOrDirect method_load_kind:dex_cache_pc_relative
+
+ public static int testLoop(int[] array, int x) {
+ // PC-relative bases used by X86 and ARM 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
+
+ /// CHECK-START-ARM: int Main.testLoopWithDiamond(int[], boolean, int) dex_cache_array_fixups_arm (before)
+ /// CHECK-NOT: ArmDexCacheArraysBase
+
+ /// CHECK-START-ARM: int Main.testLoopWithDiamond(int[], boolean, int) dex_cache_array_fixups_arm (after)
+ /// CHECK: If
+ /// CHECK: begin_block
+ /// CHECK: ArrayLength
+ /// CHECK-NEXT: ArmDexCacheArraysBase
+ /// CHECK-NEXT: Goto
+
+ public static int testLoopWithDiamond(int[] array, boolean negate, int x) {
+ // PC-relative bases used by X86 and ARM 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;
+ }
+
+ public static void main(String[] args) {
+ assertIntEquals(1, testSimple(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));
+ }
+}