diff options
Diffstat (limited to 'dx/tests/031-bb-dead-code')
| -rw-r--r-- | dx/tests/031-bb-dead-code/blort.j | 182 | ||||
| -rw-r--r-- | dx/tests/031-bb-dead-code/expected.txt | 190 | ||||
| -rw-r--r-- | dx/tests/031-bb-dead-code/info.txt | 3 | ||||
| -rw-r--r-- | dx/tests/031-bb-dead-code/run | 18 |
4 files changed, 393 insertions, 0 deletions
diff --git a/dx/tests/031-bb-dead-code/blort.j b/dx/tests/031-bb-dead-code/blort.j new file mode 100644 index 0000000..b6854f2 --- /dev/null +++ b/dx/tests/031-bb-dead-code/blort.j @@ -0,0 +1,182 @@ +; Copyright (C) 2007 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 blort +.super java/lang/Object + +.method public <init>()V + .limit locals 1 + + aload_0 + invokespecial java/lang/Object/<init>()V + return +.end method + +; dead code after the last reachable instruction in a method +.method public test_deadend1()V + return + aload_0 +.end method + +; dead code after the last reachable instruction in a method +.method public test_deadend2()V + ireturn + aload_0 + aload_0 +.end method + +; dead code after the last reachable instruction in a method +.method public test_deadend3()V + aconst_null + athrow + sipush 0x1234 +.end method + +; make sure an exception handler for a dead range doesn't get enlivened +.method public test_dead_exception_handler()V + return + nop +blort: + nop + nop + return +handler: + nop + return + .catch all from blort to handler using handler +.end method + +; dead code after goto instruction +.method public test_dead_goto()V + goto blort + nop +blort: + return +.end method + +; dead code after ret instruction +.method public test_dead_ret()V + ifeq blort + ret 0 + iconst_m1 +blort: + return +.end method + +; dead code after tableswitch instruction +.method public test_dead_tableswitch()V + tableswitch 0x10 + blort + default: blort + nop + nop + nop + aload_0 + aload_1 + aload_2 + aload_3 +blort: + return +.end method + +; dead code after lookupswitch instruction +.method public test_dead_lookupswitch()V + lookupswitch + 0x10: blort + 0x20: blort + default: blort + ldc "WHYA REYO UREA DING THIS ?" +blort: + return +.end method + +; dead code after ireturn instruction +.method public test_dead_ireturn()V + ifeq blort + ireturn + iconst_1 +blort: + return +.end method + +; dead code after lreturn instruction +.method public test_dead_lreturn()V + ifeq blort + lreturn + iconst_1 +blort: + return +.end method + +; dead code after freturn instruction +.method public test_dead_freturn()V + ifeq blort + freturn + iconst_1 +blort: + return +.end method + +; dead code after dreturn instruction +.method public test_dead_dreturn()V + ifeq blort + dreturn + iconst_1 +blort: + return +.end method + +; dead code after areturn instruction +.method public test_dead_areturn()V + ifeq blort + areturn + iconst_1 +blort: + return +.end method + +; dead code after return instruction +.method public test_dead_return()V + ifeq blort + return + iconst_1 +blort: + return +.end method + +; dead code after athrow instruction +.method public test_dead_athrow()V + ifeq blort + athrow + iconst_1 +blort: + return +.end method + +; dead code after wide ret instruction +.method public test_dead_wideret()V + ifeq blort + ret 0x0100 + iconst_1 +blort: + return +.end method + +; dead code after goto_w instruction +.method public test_dead_goto_w()V + goto_w blort + iconst_1 +blort: + return +.end method diff --git a/dx/tests/031-bb-dead-code/expected.txt b/dx/tests/031-bb-dead-code/expected.txt new file mode 100644 index 0000000..1cd4959 --- /dev/null +++ b/dx/tests/031-bb-dead-code/expected.txt @@ -0,0 +1,190 @@ +Generated: ./blort.class +reading blort.class... +method <init> ()V +block 0000: 0000..0004 + 0000: aload_0 // 00 + 0001: invokespecial method{java.lang.Object.<init>:()V} + next 0004 +block 0004: 0004..0005 + 0004: return + returns + +method test_deadend1 ()V +block 0000: 0000..0001 + 0000: return + returns +dead code 0001..0002 + +method test_deadend2 ()V +block 0000: 0000..0001 + 0000: ireturn + returns +dead code 0001..0003 + +method test_deadend3 ()V +block 0000: 0000..0002 + 0000: aconst_null + 0001: athrow + returns +dead code 0002..0005 + +method test_dead_exception_handler ()V +block 0000: 0000..0001 + 0000: return + returns +dead code 0001..0007 + +method test_dead_goto ()V +block 0000: 0000..0003 + 0000: goto 0004 + next 0004 +dead code 0003..0004 +block 0004: 0004..0005 + 0004: return + returns + +method test_dead_ret ()V +block 0000: 0000..0003 + 0000: ifeq 0006 + next 0003 + next 0006 +block 0003: 0003..0005 + 0003: ret 00 + returns +dead code 0005..0006 +block 0006: 0006..0007 + 0006: return + returns + +method test_dead_tableswitch ()V +block 0000: 0000..0014 + 0000: tableswitch + default: 001b + next 001b +dead code 0014..001b +block 001b: 001b..001c + 001b: return + returns + +method test_dead_lookupswitch ()V +block 0000: 0000..001c + 0000: lookupswitch + default: 001e + next 001e +dead code 001c..001e +block 001e: 001e..001f + 001e: return + returns + +method test_dead_ireturn ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: ireturn + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_lreturn ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: lreturn + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_freturn ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: freturn + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_dreturn ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: dreturn + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_areturn ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: areturn + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_return ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: return + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_athrow ()V +block 0000: 0000..0003 + 0000: ifeq 0005 + next 0003 + next 0005 +block 0003: 0003..0004 + 0003: athrow + returns +dead code 0004..0005 +block 0005: 0005..0006 + 0005: return + returns + +method test_dead_wideret ()V +block 0000: 0000..0003 + 0000: ifeq 0008 + next 0003 + next 0008 +block 0003: 0003..0007 + 0003: wide ret 0100 + returns +dead code 0007..0008 +block 0008: 0008..0009 + 0008: return + returns + +method test_dead_goto_w ()V +block 0000: 0000..0005 + 0000: goto_w 00000006 + next 0006 +dead code 0005..0006 +block 0006: 0006..0007 + 0006: return + returns diff --git a/dx/tests/031-bb-dead-code/info.txt b/dx/tests/031-bb-dead-code/info.txt new file mode 100644 index 0000000..d5aa398 --- /dev/null +++ b/dx/tests/031-bb-dead-code/info.txt @@ -0,0 +1,3 @@ +This test checks to see that the basic block recognizer properly omits +dead code. There is at least one example of dead code after each instruction +that *doesn't* flow to the next instruction. diff --git a/dx/tests/031-bb-dead-code/run b/dx/tests/031-bb-dead-code/run new file mode 100644 index 0000000..4f82e15 --- /dev/null +++ b/dx/tests/031-bb-dead-code/run @@ -0,0 +1,18 @@ +#!/bin/bash +# +# Copyright (C) 2007 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. + +jasmin -d . blort.j +dx --debug --dump --basic-blocks --width=200 blort.class |