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	GlobalOpt simplifies llvm.compiler.used by removing any members that are also in the more strict llvm.used. Handle the special case where llvm.compiler.used becomes empty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186778 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			17 lines
		
	
	
		
			587 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			587 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s -globalopt -S | FileCheck %s
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; Test that when all members of llvm.compiler.used are found to be redundant
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; we delete it instead of crashing.
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define void @foo() {
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  ret void
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}
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@llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @foo to i8*)], section "llvm.metadata"
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@llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (void ()* @foo to i8*)], section "llvm.metadata"
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; CHECK-NOT: @llvm.compiler.used
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; CHECK: @llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @foo to i8*)], section "llvm.metadata"
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; CHECK-NOT: @llvm.compiler.used
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