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26 lines
1.5 KiB
LLVM
26 lines
1.5 KiB
LLVM
; Test that the FPrintFOptimizer works correctly
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \
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; RUN: not grep {call.*fprintf}
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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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@str = constant [3 x i8] c"%s\00" ; <[3 x i8]*> [#uses=1]
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@chr = constant [3 x i8] c"%c\00" ; <[3 x i8]*> [#uses=1]
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@hello = constant [13 x i8] c"hello world\0A\00" ; <[13 x i8]*> [#uses=1]
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@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=3]
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declare i32 @fprintf(%struct._IO_FILE*, i8*, ...)
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define i32 @foo() {
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entry:
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%tmp.1 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1]
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%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]
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%tmp.4 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1]
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%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]
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%tmp.8 = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1]
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%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]
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ret i32 0
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}
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