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			23 lines
		
	
	
		
			951 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			951 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; Test that the StrCatOptimizer works correctly
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| ; RUN: llvm-as < %s | opt -constprop -simplify-libcalls -disable-output &&
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| ; RUN: llvm-as < %s | opt -constprop -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memcpy'
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| 
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| declare sbyte* %llvm.memcpy(sbyte*,sbyte*,int,int)
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| %h = constant [2 x sbyte] c"h\00"
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| %hel = constant [4 x sbyte] c"hel\00"
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| %hello_u = constant [8 x sbyte] c"hello_u\00"
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| 
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| implementation   ; Functions:
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| 
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| int %main () {
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|   %h_p = getelementptr [2 x sbyte]* %h, int 0, int 0
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|   %hel_p = getelementptr [4 x sbyte]* %hel, int 0, int 0
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|   %hello_u_p = getelementptr [8 x sbyte]* %hello_u, int 0, int 0
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|   %target = alloca [1024 x sbyte]
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|   %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
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|   call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %h_p, int 2, int 2)
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|   call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hel_p, int 4, int 4)
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|   call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8)
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|   ret int 0
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| }
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