diff options
Diffstat (limited to 'test/Transforms/SimplifyLibCalls/FPrintF.ll')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/FPrintF.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/FPrintF.ll b/test/Transforms/SimplifyLibCalls/FPrintF.ll new file mode 100644 index 000000000000..ac6b3c1f7097 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/FPrintF.ll @@ -0,0 +1,25 @@ +; Test that the FPrintFOptimizer works correctly +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \ +; RUN: not grep {call.*fprintf} +; + + %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 } +@str = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1] +@chr = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1] +@hello = constant [13 x i8] c"hello world\0A\00" ; <[13 x i8]*> [#uses=1] +@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=3] + +declare i32 @fprintf(%struct._IO_FILE*, i8*, ...) + +define i32 @foo() { +entry: + %tmp.1 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] + %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] + %tmp.4 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] + %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] + %tmp.8 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1] + %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] + ret i32 0 +} + |