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58 lines
1.9 KiB
58 lines
1.9 KiB
# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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.class public LTestCase;
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.super Ljava/lang/Object;
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# The following test case would crash liveness analysis because the back edge of
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# the outer loop would have a smaller liveness position than the two back edges
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# of the inner loop. This was caused by a bug which did not split the critical
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# edge between TryBoundary and outer loop header (b/25493695).
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.method public static testCase(II)I
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.registers 10
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const v0, 0x0 # v0 = result
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const v1, 0x1 # v1 = const 1
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move v2, p0 # v2 = outer loop counter
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:outer_loop
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if-eqz v2, :return
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sub-int/2addr v2, v1
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:try_start
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move v3, p1 # v3 = inner loop counter
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:inner_loop
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invoke-static {}, Ljava/lang/System;->nanoTime()J # throwing instruction
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if-eqz v3, :outer_loop # back edge of outer loop
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sub-int/2addr v3, v1
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invoke-static {}, Ljava/lang/System;->nanoTime()J # throwing instruction
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add-int/2addr v0, v1
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goto :inner_loop # back edge of inner loop
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:try_end
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.catchall {:try_start .. :try_end} :catch
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:catch
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const v4, 0x2
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add-int/2addr v0, v4
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goto :inner_loop # back edge of inner loop
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:return
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return v0
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.end method
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