58 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Smali
		
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Smali
		
	
	
	
| # 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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| 
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| .class public LTestCase;
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| .super Ljava/lang/Object;
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| 
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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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| 
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| .method public static testCase(II)I
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|   .registers 10
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| 
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|   const v0, 0x0                                       # v0 = result
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|   const v1, 0x1                                       # v1 = const 1
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| 
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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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| 
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|   :try_start
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| 
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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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| 
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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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| 
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|   :try_end
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|   .catchall {:try_start .. :try_end} :catch
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| 
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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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| 
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|   :return
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|   return v0
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| 
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| .end method
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