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