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# 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 LTestCase;
.super Ljava/lang/Object;
# Test simplification of an empty, dead catch block. Compiler used to segfault
# because it did expect at least a control-flow instruction (b/25494450).
.method public static testCase_EmptyCatch()I
.registers 3
const v0, 0x0
return v0
:try_start
nop
:try_end
.catchall {:try_start .. :try_end} :catch
nop
:catch
nop
.end method
# Test simplification of a dead catch block with some code but no control-flow
# instruction.
.method public static testCase_NoConrolFlowCatch()I
.registers 3
const v0, 0x0
return v0
:try_start
nop
:try_end
.catchall {:try_start .. :try_end} :catch
nop
:catch
const v1, 0x3
add-int v0, v0, v1
.end method
# Test simplification of a dead catch block with normal-predecessors but
# starting with a move-exception. Verifier does not check trivially dead code
# and this used to trip a DCHECK (b/25492628).
.method public static testCase_InvalidLoadException()I
.registers 3
const v0, 0x0
return v0
:try_start
nop
:try_end
.catchall {:try_start .. :try_end} :catch
:catch
move-exception v0
.end method
# Test simplification of a live catch block with dead normal-predecessors and
# starting with a move-exception. Verifier does not check trivially dead code
# and this used to trip a DCHECK (b/25492628).
.method public static testCase_TriviallyDeadPredecessor(II)I
.registers 3
:try_start
div-int v0, p0, p1
return v0
:try_end
.catchall {:try_start .. :try_end} :catch
# Trivially dead predecessor block.
add-int p0, p0, p1
:catch
# This verifies because only exceptional predecessors are live.
move-exception v0
const v0, 0x0
return v0
.end method