| /* |
| * 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 assertBooleanEquals(boolean expected, boolean result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertIntEquals(int expected, int result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertLongEquals(long expected, long result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertFloatEquals(float expected, float result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertDoubleEquals(double expected, double result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| /** |
| * Tiny programs exercising optimizations of arithmetic identities. |
| */ |
| |
| // CHECK-START: long Main.Add0(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:j\d+>> LongConstant 0 |
| // CHECK-DAG: <<Add:j\d+>> Add [ <<Const0>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: long Main.Add0(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.Add0(long) instruction_simplifier (after) |
| // CHECK-NOT: Add |
| |
| public static long Add0(long arg) { |
| return 0 + arg; |
| } |
| |
| // CHECK-START: int Main.AndAllOnes(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<ConstF:i\d+>> IntConstant -1 |
| // CHECK-DAG: <<And:i\d+>> And [ <<Arg>> <<ConstF>> ] |
| // CHECK-DAG: Return [ <<And>> ] |
| |
| // CHECK-START: int Main.AndAllOnes(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: int Main.AndAllOnes(int) instruction_simplifier (after) |
| // CHECK-NOT: And |
| |
| public static int AndAllOnes(int arg) { |
| return arg & -1; |
| } |
| |
| // CHECK-START: long Main.Div1(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:j\d+>> LongConstant 1 |
| // CHECK-DAG: <<Div:j\d+>> Div [ <<Arg>> <<Const1>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: long Main.Div1(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.Div1(long) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| |
| public static long Div1(long arg) { |
| return arg / 1; |
| } |
| |
| // CHECK-START: int Main.DivN1(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 |
| // CHECK-DAG: <<Div:i\d+>> Div [ <<Arg>> <<ConstN1>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: int Main.DivN1(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| // CHECK-START: int Main.DivN1(int) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| |
| public static int DivN1(int arg) { |
| return arg / -1; |
| } |
| |
| // CHECK-START: long Main.Mul1(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:j\d+>> LongConstant 1 |
| // CHECK-DAG: <<Mul:j\d+>> Mul [ <<Arg>> <<Const1>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: long Main.Mul1(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.Mul1(long) instruction_simplifier (after) |
| // CHECK-NOT: Mul |
| |
| public static long Mul1(long arg) { |
| return arg * 1; |
| } |
| |
| // CHECK-START: int Main.MulN1(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 |
| // CHECK-DAG: <<Mul:i\d+>> Mul [ <<Arg>> <<ConstN1>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: int Main.MulN1(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| // CHECK-START: int Main.MulN1(int) instruction_simplifier (after) |
| // CHECK-NOT: Mul |
| |
| public static int MulN1(int arg) { |
| return arg * -1; |
| } |
| |
| // CHECK-START: long Main.MulPowerOfTwo128(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const128:j\d+>> LongConstant 128 |
| // CHECK-DAG: <<Mul:j\d+>> Mul [ <<Arg>> <<Const128>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: long Main.MulPowerOfTwo128(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const7:i\d+>> IntConstant 7 |
| // CHECK-DAG: <<Shl:j\d+>> Shl [ <<Arg>> <<Const7>> ] |
| // CHECK-DAG: Return [ <<Shl>> ] |
| |
| // CHECK-START: long Main.MulPowerOfTwo128(long) instruction_simplifier (after) |
| // CHECK-NOT: Mul |
| |
| public static long MulPowerOfTwo128(long arg) { |
| return arg * 128; |
| } |
| |
| // CHECK-START: int Main.Or0(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.Or0(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: int Main.Or0(int) instruction_simplifier (after) |
| // CHECK-NOT: Or |
| |
| public static int Or0(int arg) { |
| return arg | 0; |
| } |
| |
| // CHECK-START: long Main.OrSame(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Or:j\d+>> Or [ <<Arg>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: long Main.OrSame(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.OrSame(long) instruction_simplifier (after) |
| // CHECK-NOT: Or |
| |
| public static long OrSame(long arg) { |
| return arg | arg; |
| } |
| |
| // CHECK-START: int Main.Shl0(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Shl:i\d+>> Shl [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<Shl>> ] |
| |
| // CHECK-START: int Main.Shl0(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: int Main.Shl0(int) instruction_simplifier (after) |
| // CHECK-NOT: Shl |
| |
| public static int Shl0(int arg) { |
| return arg << 0; |
| } |
| |
| // CHECK-START: int Main.Shl1(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:i\d+>> IntConstant 1 |
| // CHECK-DAG: <<Shl:i\d+>> Shl [ <<Arg>> <<Const1>> ] |
| // CHECK-DAG: Return [ <<Shl>> ] |
| |
| // CHECK-START: int Main.Shl1(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Arg>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: int Main.Shl1(int) instruction_simplifier (after) |
| // CHECK-NOT: Shl |
| |
| public static int Shl1(int arg) { |
| return arg << 1; |
| } |
| |
| // CHECK-START: long Main.Shr0(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Shr:j\d+>> Shr [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<Shr>> ] |
| |
| // CHECK-START: long Main.Shr0(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.Shr0(long) instruction_simplifier (after) |
| // CHECK-NOT: Shr |
| |
| public static long Shr0(long arg) { |
| return arg >> 0; |
| } |
| |
| // CHECK-START: long Main.Sub0(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:j\d+>> LongConstant 0 |
| // CHECK-DAG: <<Sub:j\d+>> Sub [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: long Main.Sub0(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.Sub0(long) instruction_simplifier (after) |
| // CHECK-NOT: Sub |
| |
| public static long Sub0(long arg) { |
| return arg - 0; |
| } |
| |
| // CHECK-START: int Main.SubAliasNeg(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Const0>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: int Main.SubAliasNeg(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| // CHECK-START: int Main.SubAliasNeg(int) instruction_simplifier (after) |
| // CHECK-NOT: Sub |
| |
| public static int SubAliasNeg(int arg) { |
| return 0 - arg; |
| } |
| |
| // CHECK-START: long Main.UShr0(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<UShr:j\d+>> UShr [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<UShr>> ] |
| |
| // CHECK-START: long Main.UShr0(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.UShr0(long) instruction_simplifier (after) |
| // CHECK-NOT: UShr |
| |
| public static long UShr0(long arg) { |
| return arg >>> 0; |
| } |
| |
| // CHECK-START: int Main.Xor0(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Xor:i\d+>> Xor [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: Return [ <<Xor>> ] |
| |
| // CHECK-START: int Main.Xor0(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: int Main.Xor0(int) instruction_simplifier (after) |
| // CHECK-NOT: Xor |
| |
| public static int Xor0(int arg) { |
| return arg ^ 0; |
| } |
| |
| // CHECK-START: int Main.XorAllOnes(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<ConstF:i\d+>> IntConstant -1 |
| // CHECK-DAG: <<Xor:i\d+>> Xor [ <<Arg>> <<ConstF>> ] |
| // CHECK-DAG: Return [ <<Xor>> ] |
| |
| // CHECK-START: int Main.XorAllOnes(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Not:i\d+>> Not [ <<Arg>> ] |
| // CHECK-DAG: Return [ <<Not>> ] |
| |
| // CHECK-START: int Main.XorAllOnes(int) instruction_simplifier (after) |
| // CHECK-NOT: Xor |
| |
| public static int XorAllOnes(int arg) { |
| return arg ^ -1; |
| } |
| |
| /** |
| * Test that addition or subtraction operation with both inputs negated are |
| * optimized to use a single negation after the operation. |
| * The transformation tested is implemented in |
| * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. |
| */ |
| |
| // CHECK-START: int Main.AddNegs1(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: int Main.AddNegs1(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-NOT: Neg |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Arg1>> <<Arg2>> ] |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Add>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| public static int AddNegs1(int arg1, int arg2) { |
| return -arg1 + -arg2; |
| } |
| |
| /** |
| * This is similar to the test-case AddNegs1, but the negations have |
| * multiple uses. |
| * The transformation tested is implemented in |
| * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. |
| * The current code won't perform the previous optimization. The |
| * transformations do not look at other uses of their inputs. As they don't |
| * know what will happen with other uses, they do not take the risk of |
| * increasing the register pressure by creating or extending live ranges. |
| */ |
| |
| // CHECK-START: int Main.AddNegs2(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add1:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: <<Add2:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Add1>> <<Add2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.AddNegs2(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add1:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: <<Add2:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-NOT: Neg |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Add1>> <<Add2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.AddNegs2(int, int) GVN (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Add>> <<Add>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| public static int AddNegs2(int arg1, int arg2) { |
| int temp1 = -arg1; |
| int temp2 = -arg2; |
| return (temp1 + temp2) | (temp1 + temp2); |
| } |
| |
| /** |
| * This follows test-cases AddNegs1 and AddNegs2. |
| * The transformation tested is implemented in |
| * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. |
| * The optimization should not happen if it moves an additional instruction in |
| * the loop. |
| */ |
| |
| // CHECK-START: long Main.AddNegs3(long, long) instruction_simplifier (before) |
| // -------------- Arguments and initial negation operations. |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:j\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:j\d+>> Neg [ <<Arg2>> ] |
| // CHECK: Goto |
| // -------------- Loop |
| // CHECK: SuspendCheck |
| // CHECK: <<Add:j\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK: Goto |
| |
| // CHECK-START: long Main.AddNegs3(long, long) instruction_simplifier (after) |
| // -------------- Arguments and initial negation operations. |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:j\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Neg2:j\d+>> Neg [ <<Arg2>> ] |
| // CHECK: Goto |
| // -------------- Loop |
| // CHECK: SuspendCheck |
| // CHECK: <<Add:j\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-NOT: Neg |
| // CHECK: Goto |
| |
| public static long AddNegs3(long arg1, long arg2) { |
| long res = 0; |
| long n_arg1 = -arg1; |
| long n_arg2 = -arg2; |
| for (long i = 0; i < 1; i++) { |
| res += n_arg1 + n_arg2 + i; |
| } |
| return res; |
| } |
| |
| /** |
| * Test the simplification of an addition with a negated argument into a |
| * subtraction. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. |
| */ |
| |
| // CHECK-START: long Main.AddNeg1(long, long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Add:j\d+>> Add [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: long Main.AddNeg1(long, long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:j\d+>> Sub [ <<Arg2>> <<Arg1>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: long Main.AddNeg1(long, long) instruction_simplifier (after) |
| // CHECK-NOT: Neg |
| // CHECK-NOT: Add |
| |
| public static long AddNeg1(long arg1, long arg2) { |
| return -arg1 + arg2; |
| } |
| |
| /** |
| * This is similar to the test-case AddNeg1, but the negation has two uses. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. |
| * The current code won't perform the previous optimization. The |
| * transformations do not look at other uses of their inputs. As they don't |
| * know what will happen with other uses, they do not take the risk of |
| * increasing the register pressure by creating or extending live ranges. |
| */ |
| |
| // CHECK-START: long Main.AddNeg2(long, long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add1:j\d+>> Add [ <<Arg1>> <<Neg>> ] |
| // CHECK-DAG: <<Add2:j\d+>> Add [ <<Arg1>> <<Neg>> ] |
| // CHECK-DAG: <<Res:j\d+>> Or [ <<Add1>> <<Add2>> ] |
| // CHECK-DAG: Return [ <<Res>> ] |
| |
| // CHECK-START: long Main.AddNeg2(long, long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg2>> ] |
| // CHECK-DAG: <<Add1:j\d+>> Add [ <<Arg1>> <<Neg>> ] |
| // CHECK-DAG: <<Add2:j\d+>> Add [ <<Arg1>> <<Neg>> ] |
| // CHECK-DAG: <<Res:j\d+>> Or [ <<Add1>> <<Add2>> ] |
| // CHECK-DAG: Return [ <<Res>> ] |
| |
| // CHECK-START: long Main.AddNeg2(long, long) instruction_simplifier (after) |
| // CHECK-NOT: Sub |
| |
| public static long AddNeg2(long arg1, long arg2) { |
| long temp = -arg2; |
| return (arg1 + temp) | (arg1 + temp); |
| } |
| |
| /** |
| * Test simplification of the `-(-var)` pattern. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. |
| */ |
| |
| // CHECK-START: long Main.NegNeg1(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:j\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: <<Neg2:j\d+>> Neg [ <<Neg1>> ] |
| // CHECK-DAG: Return [ <<Neg2>> ] |
| |
| // CHECK-START: long Main.NegNeg1(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.NegNeg1(long) instruction_simplifier (after) |
| // CHECK-NOT: Neg |
| |
| public static long NegNeg1(long arg) { |
| return -(-arg); |
| } |
| |
| /** |
| * Test 'multi-step' simplification, where a first transformation yields a |
| * new simplification possibility for the current instruction. |
| * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` |
| * and in `InstructionSimplifierVisitor::VisitAdd`. |
| */ |
| |
| // CHECK-START: int Main.NegNeg2(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Neg1>> ] |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: int Main.NegNeg2(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Arg>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: int Main.NegNeg2(int) instruction_simplifier (after) |
| // CHECK-NOT: Neg |
| // CHECK-NOT: Add |
| |
| // CHECK-START: int Main.NegNeg2(int) constant_folding_after_inlining (after) |
| // CHECK: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-NOT: Neg |
| // CHECK-NOT: Add |
| // CHECK: Return [ <<Const0>> ] |
| |
| public static int NegNeg2(int arg) { |
| int temp = -arg; |
| return temp + -temp; |
| } |
| |
| /** |
| * Test another 'multi-step' simplification, where a first transformation |
| * yields a new simplification possibility for the current instruction. |
| * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` |
| * and in `InstructionSimplifierVisitor::VisitSub`. |
| */ |
| |
| // CHECK-START: long Main.NegNeg3(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:j\d+>> LongConstant 0 |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg>> ] |
| // CHECK-DAG: <<Sub:j\d+>> Sub [ <<Const0>> <<Neg>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: long Main.NegNeg3(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.NegNeg3(long) instruction_simplifier (after) |
| // CHECK-NOT: Neg |
| // CHECK-NOT: Sub |
| |
| public static long NegNeg3(long arg) { |
| return 0 - -arg; |
| } |
| |
| /** |
| * Test that a negated subtraction is simplified to a subtraction with its |
| * arguments reversed. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. |
| */ |
| |
| // CHECK-START: int Main.NegSub1(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Arg1>> <<Arg2>> ] |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Sub>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| // CHECK-START: int Main.NegSub1(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Arg2>> <<Arg1>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: int Main.NegSub1(int, int) instruction_simplifier (after) |
| // CHECK-NOT: Neg |
| |
| public static int NegSub1(int arg1, int arg2) { |
| return -(arg1 - arg2); |
| } |
| |
| /** |
| * This is similar to the test-case NegSub1, but the subtraction has |
| * multiple uses. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. |
| * The current code won't perform the previous optimization. The |
| * transformations do not look at other uses of their inputs. As they don't |
| * know what will happen with other uses, they do not take the risk of |
| * increasing the register pressure by creating or extending live ranges. |
| */ |
| |
| // CHECK-START: int Main.NegSub2(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Arg1>> <<Arg2>> ] |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Sub>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Sub>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.NegSub2(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Arg1>> <<Arg2>> ] |
| // CHECK-DAG: <<Neg1:i\d+>> Neg [ <<Sub>> ] |
| // CHECK-DAG: <<Neg2:i\d+>> Neg [ <<Sub>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Neg1>> <<Neg2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| public static int NegSub2(int arg1, int arg2) { |
| int temp = arg1 - arg2; |
| return -temp | -temp; |
| } |
| |
| /** |
| * Test simplification of the `~~var` pattern. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNot`. |
| */ |
| |
| // CHECK-START: long Main.NotNot1(long) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: <<ConstF1:j\d+>> LongConstant -1 |
| // CHECK-DAG: <<Xor1:j\d+>> Xor [ <<Arg>> <<ConstF1>> ] |
| // CHECK-DAG: <<Xor2:j\d+>> Xor [ <<Xor1>> <<ConstF1>> ] |
| // CHECK-DAG: Return [ <<Xor2>> ] |
| |
| // CHECK-START: long Main.NotNot1(long) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:j\d+>> ParameterValue |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: long Main.NotNot1(long) instruction_simplifier (after) |
| // CHECK-NOT: Xor |
| |
| public static long NotNot1(long arg) { |
| return ~~arg; |
| } |
| |
| // CHECK-START: int Main.NotNot2(int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<ConstF1:i\d+>> IntConstant -1 |
| // CHECK-DAG: <<Xor1:i\d+>> Xor [ <<Arg>> <<ConstF1>> ] |
| // CHECK-DAG: <<Xor2:i\d+>> Xor [ <<Xor1>> <<ConstF1>> ] |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Xor1>> <<Xor2>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: int Main.NotNot2(int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:i\d+>> ParameterValue |
| // CHECK-DAG: <<Not:i\d+>> Not [ <<Arg>> ] |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Not>> <<Arg>> ] |
| // CHECK-DAG: Return [ <<Add>> ] |
| |
| // CHECK-START: int Main.NotNot2(int) instruction_simplifier (after) |
| // CHECK-NOT: Xor |
| |
| public static int NotNot2(int arg) { |
| int temp = ~arg; |
| return temp + ~temp; |
| } |
| |
| /** |
| * Test the simplification of a subtraction with a negated argument. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. |
| */ |
| |
| // CHECK-START: int Main.SubNeg1(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Sub:i\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: Return [ <<Sub>> ] |
| |
| // CHECK-START: int Main.SubNeg1(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Add:i\d+>> Add [ <<Arg1>> <<Arg2>> ] |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Add>> ] |
| // CHECK-DAG: Return [ <<Neg>> ] |
| |
| // CHECK-START: int Main.SubNeg1(int, int) instruction_simplifier (after) |
| // CHECK-NOT: Sub |
| |
| public static int SubNeg1(int arg1, int arg2) { |
| return -arg1 - arg2; |
| } |
| |
| /** |
| * This is similar to the test-case SubNeg1, but the negation has |
| * multiple uses. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. |
| * The current code won't perform the previous optimization. The |
| * transformations do not look at other uses of their inputs. As they don't |
| * know what will happen with other uses, they do not take the risk of |
| * increasing the register pressure by creating or extending live ranges. |
| */ |
| |
| // CHECK-START: int Main.SubNeg2(int, int) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Sub1:i\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: <<Sub2:i\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Sub1>> <<Sub2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.SubNeg2(int, int) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg1:i\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:i\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:i\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: <<Sub1:i\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: <<Sub2:i\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-DAG: <<Or:i\d+>> Or [ <<Sub1>> <<Sub2>> ] |
| // CHECK-DAG: Return [ <<Or>> ] |
| |
| // CHECK-START: int Main.SubNeg2(int, int) instruction_simplifier (after) |
| // CHECK-NOT: Add |
| |
| public static int SubNeg2(int arg1, int arg2) { |
| int temp = -arg1; |
| return (temp - arg2) | (temp - arg2); |
| } |
| |
| /** |
| * This follows test-cases SubNeg1 and SubNeg2. |
| * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. |
| * The optimization should not happen if it moves an additional instruction in |
| * the loop. |
| */ |
| |
| // CHECK-START: long Main.SubNeg3(long, long) instruction_simplifier (before) |
| // -------------- Arguments and initial negation operation. |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg1>> ] |
| // CHECK: Goto |
| // -------------- Loop |
| // CHECK: SuspendCheck |
| // CHECK: <<Sub:j\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK: Goto |
| |
| // CHECK-START: long Main.SubNeg3(long, long) instruction_simplifier (after) |
| // -------------- Arguments and initial negation operation. |
| // CHECK-DAG: <<Arg1:j\d+>> ParameterValue |
| // CHECK-DAG: <<Arg2:j\d+>> ParameterValue |
| // CHECK-DAG: <<Neg:j\d+>> Neg [ <<Arg1>> ] |
| // CHECK-DAG: Goto |
| // -------------- Loop |
| // CHECK: SuspendCheck |
| // CHECK: <<Sub:j\d+>> Sub [ <<Neg>> <<Arg2>> ] |
| // CHECK-NOT: Neg |
| // CHECK: Goto |
| |
| public static long SubNeg3(long arg1, long arg2) { |
| long res = 0; |
| long temp = -arg1; |
| for (long i = 0; i < 1; i++) { |
| res += temp - arg2 - i; |
| } |
| return res; |
| } |
| |
| // CHECK-START: int Main.EqualTrueRhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:i\d+>> IntConstant 1 |
| // CHECK-DAG: <<Cond:z\d+>> Equal [ <<Arg>> <<Const1>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.EqualTrueRhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: If [ <<Arg>> ] |
| |
| public static int EqualTrueRhs(boolean arg) { |
| return (arg != true) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.EqualTrueLhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:i\d+>> IntConstant 1 |
| // CHECK-DAG: <<Cond:z\d+>> Equal [ <<Const1>> <<Arg>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.EqualTrueLhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: If [ <<Arg>> ] |
| |
| public static int EqualTrueLhs(boolean arg) { |
| return (true != arg) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.EqualFalseRhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Cond:z\d+>> Equal [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.EqualFalseRhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<NotArg:z\d+>> BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: If [ <<NotArg>> ] |
| |
| public static int EqualFalseRhs(boolean arg) { |
| return (arg != false) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.EqualFalseLhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Cond:z\d+>> Equal [ <<Const0>> <<Arg>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.EqualFalseLhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<NotArg:z\d+>> BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: If [ <<NotArg>> ] |
| |
| public static int EqualFalseLhs(boolean arg) { |
| return (false != arg) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.NotEqualTrueRhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:i\d+>> IntConstant 1 |
| // CHECK-DAG: <<Cond:z\d+>> NotEqual [ <<Arg>> <<Const1>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.NotEqualTrueRhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<NotArg:z\d+>> BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: If [ <<NotArg>> ] |
| |
| public static int NotEqualTrueRhs(boolean arg) { |
| return (arg == true) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.NotEqualTrueLhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const1:i\d+>> IntConstant 1 |
| // CHECK-DAG: <<Cond:z\d+>> NotEqual [ <<Const1>> <<Arg>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.NotEqualTrueLhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<NotArg:z\d+>> BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: If [ <<NotArg>> ] |
| |
| public static int NotEqualTrueLhs(boolean arg) { |
| return (true == arg) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.NotEqualFalseRhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Cond:z\d+>> NotEqual [ <<Arg>> <<Const0>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.NotEqualFalseRhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: If [ <<Arg>> ] |
| |
| public static int NotEqualFalseRhs(boolean arg) { |
| return (arg == false) ? 3 : 5; |
| } |
| |
| // CHECK-START: int Main.NotEqualFalseLhs(boolean) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<Const0:i\d+>> IntConstant 0 |
| // CHECK-DAG: <<Cond:z\d+>> NotEqual [ <<Const0>> <<Arg>> ] |
| // CHECK-DAG: If [ <<Cond>> ] |
| |
| // CHECK-START: int Main.NotEqualFalseLhs(boolean) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: If [ <<Arg>> ] |
| |
| public static int NotEqualFalseLhs(boolean arg) { |
| return (false == arg) ? 3 : 5; |
| } |
| |
| /* |
| * Test simplification of double Boolean negation. Note that sometimes |
| * both negations can be removed but we only expect the simplifier to |
| * remove the second. |
| */ |
| |
| // CHECK-START: boolean Main.NotNotBool(boolean) instruction_simplifier_after_types (before) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: <<NotArg:z\d+>> BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: <<NotNotArg:z\d+>> BooleanNot [ <<NotArg>> ] |
| // CHECK-DAG: Return [ <<NotNotArg>> ] |
| |
| // CHECK-START: boolean Main.NotNotBool(boolean) instruction_simplifier_after_types (after) |
| // CHECK-DAG: <<Arg:z\d+>> ParameterValue |
| // CHECK-DAG: BooleanNot [ <<Arg>> ] |
| // CHECK-DAG: Return [ <<Arg>> ] |
| |
| // CHECK-START: boolean Main.NotNotBool(boolean) instruction_simplifier_after_types (after) |
| // CHECK: BooleanNot |
| // CHECK-NOT: BooleanNot |
| |
| public static boolean NegateValue(boolean arg) { |
| return !arg; |
| } |
| |
| public static boolean NotNotBool(boolean arg) { |
| return !(NegateValue(arg)); |
| } |
| |
| // CHECK-START: float Main.Div2(float) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:f\d+>> ParameterValue |
| // CHECK-DAG: <<Const2:f\d+>> FloatConstant 2 |
| // CHECK-DAG: <<Div:f\d+>> Div [ <<Arg>> <<Const2>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: float Main.Div2(float) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:f\d+>> ParameterValue |
| // CHECK-DAG: <<ConstP5:f\d+>> FloatConstant 0.5 |
| // CHECK-DAG: <<Mul:f\d+>> Mul [ <<Arg>> <<ConstP5>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: float Main.Div2(float) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| |
| public static float Div2(float arg) { |
| return arg / 2.0f; |
| } |
| |
| // CHECK-START: double Main.Div2(double) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:d\d+>> ParameterValue |
| // CHECK-DAG: <<Const2:d\d+>> DoubleConstant 2 |
| // CHECK-DAG: <<Div:d\d+>> Div [ <<Arg>> <<Const2>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: double Main.Div2(double) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:d\d+>> ParameterValue |
| // CHECK-DAG: <<ConstP5:d\d+>> DoubleConstant 0.5 |
| // CHECK-DAG: <<Mul:d\d+>> Mul [ <<Arg>> <<ConstP5>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: double Main.Div2(double) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| public static double Div2(double arg) { |
| return arg / 2.0; |
| } |
| |
| // CHECK-START: float Main.DivMP25(float) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:f\d+>> ParameterValue |
| // CHECK-DAG: <<ConstMP25:f\d+>> FloatConstant -0.25 |
| // CHECK-DAG: <<Div:f\d+>> Div [ <<Arg>> <<ConstMP25>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: float Main.DivMP25(float) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:f\d+>> ParameterValue |
| // CHECK-DAG: <<ConstM4:f\d+>> FloatConstant -4 |
| // CHECK-DAG: <<Mul:f\d+>> Mul [ <<Arg>> <<ConstM4>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: float Main.DivMP25(float) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| |
| public static float DivMP25(float arg) { |
| return arg / -0.25f; |
| } |
| |
| // CHECK-START: double Main.DivMP25(double) instruction_simplifier (before) |
| // CHECK-DAG: <<Arg:d\d+>> ParameterValue |
| // CHECK-DAG: <<ConstMP25:d\d+>> DoubleConstant -0.25 |
| // CHECK-DAG: <<Div:d\d+>> Div [ <<Arg>> <<ConstMP25>> ] |
| // CHECK-DAG: Return [ <<Div>> ] |
| |
| // CHECK-START: double Main.DivMP25(double) instruction_simplifier (after) |
| // CHECK-DAG: <<Arg:d\d+>> ParameterValue |
| // CHECK-DAG: <<ConstM4:d\d+>> DoubleConstant -4 |
| // CHECK-DAG: <<Mul:d\d+>> Mul [ <<Arg>> <<ConstM4>> ] |
| // CHECK-DAG: Return [ <<Mul>> ] |
| |
| // CHECK-START: double Main.DivMP25(double) instruction_simplifier (after) |
| // CHECK-NOT: Div |
| public static double DivMP25(double arg) { |
| return arg / -0.25f; |
| } |
| |
| public static void main(String[] args) { |
| int arg = 123456; |
| |
| assertLongEquals(Add0(arg), arg); |
| assertIntEquals(AndAllOnes(arg), arg); |
| assertLongEquals(Div1(arg), arg); |
| assertIntEquals(DivN1(arg), -arg); |
| assertLongEquals(Mul1(arg), arg); |
| assertIntEquals(MulN1(arg), -arg); |
| assertLongEquals(MulPowerOfTwo128(arg), (128 * arg)); |
| assertIntEquals(Or0(arg), arg); |
| assertLongEquals(OrSame(arg), arg); |
| assertIntEquals(Shl0(arg), arg); |
| assertLongEquals(Shr0(arg), arg); |
| assertLongEquals(Sub0(arg), arg); |
| assertIntEquals(SubAliasNeg(arg), -arg); |
| assertLongEquals(UShr0(arg), arg); |
| assertIntEquals(Xor0(arg), arg); |
| assertIntEquals(XorAllOnes(arg), ~arg); |
| assertIntEquals(AddNegs1(arg, arg + 1), -(arg + arg + 1)); |
| assertIntEquals(AddNegs2(arg, arg + 1), -(arg + arg + 1)); |
| assertLongEquals(AddNegs3(arg, arg + 1), -(2 * arg + 1)); |
| assertLongEquals(AddNeg1(arg, arg + 1), 1); |
| assertLongEquals(AddNeg2(arg, arg + 1), -1); |
| assertLongEquals(NegNeg1(arg), arg); |
| assertIntEquals(NegNeg2(arg), 0); |
| assertLongEquals(NegNeg3(arg), arg); |
| assertIntEquals(NegSub1(arg, arg + 1), 1); |
| assertIntEquals(NegSub2(arg, arg + 1), 1); |
| assertLongEquals(NotNot1(arg), arg); |
| assertIntEquals(NotNot2(arg), -1); |
| assertIntEquals(SubNeg1(arg, arg + 1), -(arg + arg + 1)); |
| assertIntEquals(SubNeg2(arg, arg + 1), -(arg + arg + 1)); |
| assertLongEquals(SubNeg3(arg, arg + 1), -(2 * arg + 1)); |
| assertIntEquals(EqualTrueRhs(true), 5); |
| assertIntEquals(EqualTrueLhs(true), 5); |
| assertIntEquals(EqualFalseRhs(true), 3); |
| assertIntEquals(EqualFalseLhs(true), 3); |
| assertIntEquals(NotEqualTrueRhs(true), 3); |
| assertIntEquals(NotEqualTrueLhs(true), 3); |
| assertIntEquals(NotEqualFalseRhs(true), 5); |
| assertIntEquals(NotEqualFalseLhs(true), 5); |
| assertBooleanEquals(NotNotBool(true), true); |
| assertBooleanEquals(NotNotBool(false), false); |
| assertFloatEquals(Div2(100.0f), 50.0f); |
| assertDoubleEquals(Div2(150.0), 75.0); |
| assertFloatEquals(DivMP25(100.0f), -400.0f); |
| assertDoubleEquals(DivMP25(150.0), -600.0); |
| assertLongEquals(Shl1(100), 200); |
| } |
| } |
