You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
233 lines
6.4 KiB
233 lines
6.4 KiB
# 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.
|
|
|
|
.class public LSsaBuilder;
|
|
|
|
.super Ljava/lang/Object;
|
|
|
|
# Tests that catch blocks with both normal and exceptional predecessors are
|
|
# split in two.
|
|
|
|
## CHECK-START: int SsaBuilder.testSimplifyCatchBlock(int, int, int) builder (after)
|
|
|
|
## CHECK: name "B1"
|
|
## CHECK-NEXT: from_bci
|
|
## CHECK-NEXT: to_bci
|
|
## CHECK-NEXT: predecessors
|
|
## CHECK-NEXT: successors "<<BAdd:B\d+>>"
|
|
|
|
## CHECK: name "<<BAdd>>"
|
|
## CHECK-NEXT: from_bci
|
|
## CHECK-NEXT: to_bci
|
|
## CHECK-NEXT: predecessors "B1" "<<BCatch:B\d+>>"
|
|
## CHECK-NEXT: successors
|
|
## CHECK-NEXT: xhandlers
|
|
## CHECK-NOT: end_block
|
|
## CHECK: Add
|
|
|
|
## CHECK: name "<<BCatch>>"
|
|
## CHECK-NEXT: from_bci
|
|
## CHECK-NEXT: to_bci
|
|
## CHECK-NEXT: predecessors
|
|
## CHECK-NEXT: successors "<<BAdd>>"
|
|
## CHECK-NEXT: xhandlers
|
|
## CHECK-NEXT: flags "catch_block"
|
|
|
|
.method public static testSimplifyCatchBlock(III)I
|
|
.registers 4
|
|
# Avoid entry block be a pre header, which leads to
|
|
# the cfg simplifier to add a synthesized block.
|
|
goto :catch_all
|
|
|
|
:catch_all
|
|
add-int/2addr p0, p1
|
|
|
|
:try_start
|
|
div-int/2addr p0, p2
|
|
:try_end
|
|
.catchall {:try_start .. :try_end} :catch_all
|
|
|
|
return p0
|
|
.end method
|
|
|
|
# Should be rejected because :catch_all is a loop header.
|
|
|
|
## CHECK-START: int SsaBuilder.testCatchLoopHeader(int, int, int) builder (after, bad_state)
|
|
|
|
.method public static testCatchLoopHeader(III)I
|
|
.registers 4
|
|
|
|
:try_start_1
|
|
div-int/2addr p0, p1
|
|
return p0
|
|
:try_end_1
|
|
.catchall {:try_start_1 .. :try_end_1} :catch_all
|
|
|
|
:catch_all
|
|
:try_start_2
|
|
div-int/2addr p0, p2
|
|
return p0
|
|
:try_end_2
|
|
.catchall {:try_start_2 .. :try_end_2} :catch_all
|
|
|
|
.end method
|
|
|
|
# Tests creation of catch Phis.
|
|
|
|
## CHECK-START: int SsaBuilder.testPhiCreation(int, int, int) builder (after)
|
|
## CHECK-DAG: <<P0:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<P1:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<P2:i\d+>> ParameterValue
|
|
|
|
## CHECK-DAG: <<DZC1:i\d+>> DivZeroCheck [<<P1>>]
|
|
## CHECK-DAG: <<Div1:i\d+>> Div [<<P0>>,<<DZC1>>]
|
|
## CHECK-DAG: <<DZC2:i\d+>> DivZeroCheck [<<P1>>]
|
|
## CHECK-DAG: <<Div2:i\d+>> Div [<<Div1>>,<<DZC2>>]
|
|
## CHECK-DAG: <<DZC3:i\d+>> DivZeroCheck [<<P1>>]
|
|
## CHECK-DAG: <<Div3:i\d+>> Div [<<Div2>>,<<DZC3>>]
|
|
|
|
## CHECK-DAG: <<Phi1:i\d+>> Phi [<<P0>>,<<P1>>,<<P2>>] reg:0 is_catch_phi:true
|
|
## CHECK-DAG: <<Phi2:i\d+>> Phi [<<Div3>>,<<Phi1>>] reg:0 is_catch_phi:false
|
|
## CHECK-DAG: Return [<<Phi2>>]
|
|
|
|
.method public static testPhiCreation(III)I
|
|
.registers 4
|
|
|
|
:try_start
|
|
move v0, p0
|
|
div-int/2addr p0, p1
|
|
|
|
move v0, p1
|
|
div-int/2addr p0, p1
|
|
|
|
move v0, p2
|
|
div-int/2addr p0, p1
|
|
|
|
move v0, p0
|
|
:try_end
|
|
.catchall {:try_start .. :try_end} :catch_all
|
|
|
|
:return
|
|
return v0
|
|
|
|
:catch_all
|
|
goto :return
|
|
.end method
|
|
|
|
# Tests that phi elimination does not remove catch phis where the value does
|
|
# not dominate the phi.
|
|
|
|
## CHECK-START: int SsaBuilder.testPhiElimination_Domination(int, int) builder (after)
|
|
## CHECK-DAG: <<P0:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<P1:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<Cst5:i\d+>> IntConstant 5
|
|
## CHECK-DAG: <<Cst7:i\d+>> IntConstant 7
|
|
|
|
## CHECK-DAG: <<Add1:i\d+>> Add [<<Cst7>>,<<Cst7>>]
|
|
## CHECK-DAG: <<DZC:i\d+>> DivZeroCheck [<<P1>>]
|
|
## CHECK-DAG: <<Div:i\d+>> Div [<<P0>>,<<DZC>>]
|
|
|
|
## CHECK-DAG: <<Phi1:i\d+>> Phi [<<Add1>>] reg:1 is_catch_phi:true
|
|
## CHECK-DAG: <<Add2:i\d+>> Add [<<Cst5>>,<<Phi1>>]
|
|
|
|
## CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cst5>>,<<Add2>>] reg:0 is_catch_phi:false
|
|
## CHECK-DAG: Return [<<Phi2>>]
|
|
|
|
.method public static testPhiElimination_Domination(II)I
|
|
.registers 4
|
|
|
|
:try_start
|
|
# The constant in entry block will dominate the vreg 0 catch phi.
|
|
const v0, 5
|
|
|
|
# Insert addition so that the value of vreg 1 does not dominate the phi.
|
|
const v1, 7
|
|
add-int/2addr v1, v1
|
|
|
|
div-int/2addr p0, p1
|
|
:try_end
|
|
.catchall {:try_start .. :try_end} :catch_all
|
|
|
|
:return
|
|
return v0
|
|
|
|
:catch_all
|
|
add-int/2addr v0, v1
|
|
goto :return
|
|
.end method
|
|
|
|
# Tests that phi elimination loops until no more phis can be removed.
|
|
|
|
## CHECK-START: int SsaBuilder.testPhiElimination_Dependencies(int, int, int) builder (after)
|
|
## CHECK-NOT: Phi
|
|
|
|
.method public static testPhiElimination_Dependencies(III)I
|
|
.registers 4
|
|
|
|
# This constant reaches Return via the normal control-flow path and both
|
|
# exceptional paths. Since v0 is never changed, there should be no phis.
|
|
const v0, 5
|
|
|
|
:try_start
|
|
div-int/2addr p0, p1
|
|
div-int/2addr p0, p2
|
|
:try_end
|
|
.catch Ljava/lang/ArithmeticException; {:try_start .. :try_end} :catch_arith
|
|
.catchall {:try_start .. :try_end} :catch_all
|
|
|
|
:return
|
|
# Phi [v0, CatchPhi1, CatchPhi2]
|
|
return v0
|
|
|
|
:catch_arith
|
|
# CatchPhi1 [v0, v0]
|
|
goto :return
|
|
|
|
:catch_all
|
|
# CatchPhi2 [v0, v0]
|
|
goto :return
|
|
.end method
|
|
|
|
# Tests that dead catch blocks are removed.
|
|
|
|
## CHECK-START: int SsaBuilder.testDeadCatchBlock(int, int, int) builder (after)
|
|
## CHECK-DAG: <<P0:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<P1:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<P2:i\d+>> ParameterValue
|
|
## CHECK-DAG: <<Add1:i\d+>> Add [<<P0>>,<<P1>>]
|
|
## CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<P2>>]
|
|
## CHECK-DAG: Return [<<Add2>>]
|
|
|
|
## CHECK-START: int SsaBuilder.testDeadCatchBlock(int, int, int) builder (after)
|
|
## CHECK-NOT: flags "catch_block"
|
|
## CHECK-NOT: Mul
|
|
|
|
.method public static testDeadCatchBlock(III)I
|
|
.registers 4
|
|
|
|
:try_start
|
|
add-int/2addr p0, p1
|
|
add-int/2addr p0, p2
|
|
move v0, p0
|
|
:try_end
|
|
.catchall {:try_start .. :try_end} :catch_all
|
|
|
|
:return
|
|
return v0
|
|
|
|
:catch_all
|
|
mul-int/2addr v1, v1
|
|
goto :return
|
|
.end method
|