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| author | Julian Büning <julian.buening@rwth-aachen.de> | 2018-11-04 11:34:10 +0100 |
|---|---|---|
| committer | Cristian Cadar <c.cadar@imperial.ac.uk> | 2019-03-05 15:15:39 +0000 |
| commit | 7e33d5cb292c88ae10f4a0ffa86c498168fbe16a (patch) | |
| tree | 769f3ff2ba656810198fe7a4416058c68f6096f0 /cmake/workaround_llvm_pr39177.ll | |
| parent | d5de3df2c7e481426c39220072b42dfd307a3526 (diff) | |
| download | klee-7e33d5cb292c88ae10f4a0ffa86c498168fbe16a.tar.gz | |
workaround for LLVM PR39177
provides a workaround for LLVM bug PR39177, which affects LLVM versions 3.9 - 7.0.0: https://bugs.llvm.org/show_bug.cgi?id=39177 This commit is intended to be reverted once support for LLVM versions <= 7 is dropped from KLEE.
Diffstat (limited to 'cmake/workaround_llvm_pr39177.ll')
| -rw-r--r-- | cmake/workaround_llvm_pr39177.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/cmake/workaround_llvm_pr39177.ll b/cmake/workaround_llvm_pr39177.ll new file mode 100644 index 00000000..ebca4f1c --- /dev/null +++ b/cmake/workaround_llvm_pr39177.ll @@ -0,0 +1,18 @@ +%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } +%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } + +@stdout = external global %struct._IO_FILE*, align 8 +@.str = private unnamed_addr constant [11 x i8] c"abcdefgh!\0A\00", align 1 +@fwrite = alias i64 (i8*, i64, i64, %struct._IO_FILE*), i64 (i8*, i64, i64, %struct._IO_FILE*)* @__fwrite_alias + +define i64 @__fwrite_alias(i8*, i64, i64, %struct._IO_FILE*) { + ret i64 0 +} + +define void @test() { + %1 = load %struct._IO_FILE*, %struct._IO_FILE** @stdout, align 8 + %2 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %1, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0)) + ret void +} + +declare i32 @fprintf(%struct._IO_FILE*, i8*, ...) |