1 ; Test that the FPrintFOptimizer works correctly 2 ; RUN: opt < %s -simplify-libcalls -S | \ 3 ; RUN: not grep "call.*fprintf" 4 5 ; This transformation requires the pointer size, as it assumes that size_t is 6 ; the size of a pointer. 7 target datalayout = "-p:64:64:64" 8 9 %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] } 10 %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } 11 @str = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1] 12 @chr = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1] 13 @hello = constant [13 x i8] c"hello world\0A\00" ; <[13 x i8]*> [#uses=1] 14 @stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=3] 15 16 declare i32 @fprintf(%struct._IO_FILE*, i8*, ...) 17 18 define i32 @foo() { 19 entry: 20 %tmp.1 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] 21 %tmp.0 = call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf( %struct._IO_FILE* %tmp.1, i8* getelementptr ([13 x i8]* @hello, i32 0, i32 0) ) ; <i32> [#uses=0] 22 %tmp.4 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] 23 %tmp.3 = call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf( %struct._IO_FILE* %tmp.4, i8* getelementptr ([3 x i8]* @str, i32 0, i32 0), i8* getelementptr ([13 x i8]* @hello, i32 0, i32 0) ) ; <i32> [#uses=0] 24 %tmp.8 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] 25 %tmp.7 = call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf( %struct._IO_FILE* %tmp.8, i8* getelementptr ([3 x i8]* @chr, i32 0, i32 0), i32 33 ) ; <i32> [#uses=0] 26 ret i32 0 27 } 28 29
