forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			24 lines
		
	
	
		
			516 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			516 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -loop-unswitch -S < %s 2>&1 | FileCheck %s
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| 
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| ; This test checks if unswitched condition preserve make.implicit metadata.
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| 
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| define i32 @test(i1 %cond) {
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| ; CHECK-LABEL: @test(
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| ; CHECK:  br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0
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|   br label %loop_begin
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| 
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| loop_begin:
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|   br i1 %cond, label %continue, label %loop_exit, !make.implicit !0
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| 
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| continue:
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|   call void @some_func()
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|   br label %loop_begin
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| 
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| loop_exit:
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|   ret i32 0
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| }
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| 
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| declare void @some_func()
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| 
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| !0 = !{}
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