1 ; Test that the FPutsOptimizer works correctly 2 ; RUN: opt < %s -simplify-libcalls -S | \ 3 ; RUN: not grep {call.*fputs} 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 @stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1] 12 @empty = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1] 13 @len1 = constant [2 x i8] c"A\00" ; <[2 x i8]*> [#uses=1] 14 @long = constant [7 x i8] c"hello\0A\00" ; <[7 x i8]*> [#uses=1] 15 16 declare i32 @fputs(i8*, %struct._IO_FILE*) 17 18 define i32 @main() { 19 entry: 20 %out = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=3] 21 %s1 = getelementptr [1 x i8]* @empty, i32 0, i32 0 ; <i8*> [#uses=1] 22 %s2 = getelementptr [2 x i8]* @len1, i32 0, i32 0 ; <i8*> [#uses=1] 23 %s3 = getelementptr [7 x i8]* @long, i32 0, i32 0 ; <i8*> [#uses=1] 24 %a = call i32 @fputs( i8* %s1, %struct._IO_FILE* %out ) ; <i32> [#uses=0] 25 %b = call i32 @fputs( i8* %s2, %struct._IO_FILE* %out ) ; <i32> [#uses=0] 26 %c = call i32 @fputs( i8* %s3, %struct._IO_FILE* %out ) ; <i32> [#uses=0] 27 ret i32 0 28 } 29 30
