26 lines
		
	
	
		
			930 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			930 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; Check that we don't crash when processing declaration with type metadata
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| ; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s
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| 
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| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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| target triple = "x86_64-none-linux-gnu"
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| 
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| declare i1 @llvm.type.test(i8*, metadata)
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| declare void @llvm.assume(i1)
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| 
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| @_ZTVN3foo3barE = external dso_local unnamed_addr constant { [8 x i8*] }, align 8, !type !0
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| 
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| define i1 @call1(i8* %obj) {
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|   %vtableptr = bitcast i8* %obj to [3 x i8*]**
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|   %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
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|   %vtablei8 = bitcast [3 x i8*]* %vtable to i8*
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|   %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
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|   call void @llvm.assume(i1 %p)
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|   %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
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|   %fptr = load i8*, i8** %fptrptr
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|   %fptr_casted = bitcast i8* %fptr to i1 (i8*)*
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|   %result = call i1 %fptr_casted(i8* %obj)
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|   ret i1 %result
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| }
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| 
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| !0 = !{i64 16, !"_ZTSN3foo3barE"}
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