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27 lines
1.3 KiB
LLVM
27 lines
1.3 KiB
LLVM
; Test that the PutsCatOptimizer works correctly
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | \
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; RUN: not grep {call.*fputs}
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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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@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1]
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@empty = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
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@len1 = constant [2 x i8] c"A\00" ; <[2 x i8]*> [#uses=1]
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@long = constant [7 x i8] c"hello\0A\00" ; <[7 x i8]*> [#uses=1]
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declare i32 @fputs(i8*, %struct._IO_FILE*)
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define i32 @main() {
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entry:
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%out = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=3]
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%s1 = getelementptr [1 x i8]* @empty, i32 0, i32 0 ; <i8*> [#uses=1]
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%s2 = getelementptr [2 x i8]* @len1, i32 0, i32 0 ; <i8*> [#uses=1]
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%s3 = getelementptr [7 x i8]* @long, i32 0, i32 0 ; <i8*> [#uses=1]
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%a = call i32 @fputs( i8* %s1, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
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%b = call i32 @fputs( i8* %s2, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
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%c = call i32 @fputs( i8* %s3, %struct._IO_FILE* %out ) ; <i32> [#uses=0]
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ret i32 0
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}
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