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			30 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; Test that the FPutsOptimizer works correctly
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| ; RUN: opt < %s -simplify-libcalls -S | \
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| ; RUN:   not grep {call.*fputs}
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| 
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| ; This transformation requires the pointer size, as it assumes that size_t is
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| ; the size of a pointer.
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| target datalayout = "-p:64:64:64"
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| 
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| 	%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i32, [52 x i8] }
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| 	%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
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| @stdout = external global %struct._IO_FILE*		; <%struct._IO_FILE**> [#uses=1]
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| @empty = constant [1 x i8] zeroinitializer		; <[1 x i8]*> [#uses=1]
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| @len1 = constant [2 x i8] c"A\00"		; <[2 x i8]*> [#uses=1]
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| @long = constant [7 x i8] c"hello\0A\00"		; <[7 x i8]*> [#uses=1]
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| 
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| declare i32 @fputs(i8*, %struct._IO_FILE*)
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| 
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| define i32 @main() {
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| entry:
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| 	%out = load %struct._IO_FILE** @stdout		; <%struct._IO_FILE*> [#uses=3]
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| 	%s1 = getelementptr [1 x i8]* @empty, i32 0, i32 0		; <i8*> [#uses=1]
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| 	%s2 = getelementptr [2 x i8]* @len1, i32 0, i32 0		; <i8*> [#uses=1]
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| 	%s3 = getelementptr [7 x i8]* @long, i32 0, i32 0		; <i8*> [#uses=1]
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| 	%a = call i32 @fputs( i8* %s1, %struct._IO_FILE* %out )		; <i32> [#uses=0]
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| 	%b = call i32 @fputs( i8* %s2, %struct._IO_FILE* %out )		; <i32> [#uses=0]
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| 	%c = call i32 @fputs( i8* %s3, %struct._IO_FILE* %out )		; <i32> [#uses=0]
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| 	ret i32 0
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| }
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| 
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