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| author | John McCall <rjmccall@apple.com> | 2011-03-14 22:41:50 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-03-14 22:41:50 +0000 |
| commit | b121bfcc22660b1bdfb1183b191b6516988bcaf5 (patch) | |
| tree | 7271b66182bd26528c3ea4a258986b4ed011f23c /include/llvm/Support/Compiler.h | |
| parent | 7d4fc4fb345ee8a1de15c718a854b5f38c1e6e46 (diff) | |
| download | llvm-b121bfcc22660b1bdfb1183b191b6516988bcaf5.tar.gz llvm-b121bfcc22660b1bdfb1183b191b6516988bcaf5.tar.bz2 llvm-b121bfcc22660b1bdfb1183b191b6516988bcaf5.tar.xz | |
Version N of the llvm_unreachable patch: VC++ doesn't recognize that abort()
doesn't return, so just go back to using the old runtime function instead
of trying to use abort() when __builtin_unreachable (or an equivalent) isn't
supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127629 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/Compiler.h')
| -rw-r--r-- | include/llvm/Support/Compiler.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index 0df154b5d6..e092157218 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -128,12 +128,10 @@ // LLVM_BUILTIN_UNREACHABLE - On compilers which support it, expands // to an expression which states that it is undefined behavior for the -// compiler to reach this point. +// compiler to reach this point. Otherwise is not defined. #if defined(__clang__) || (__GNUC__ > 4) \ || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) # define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable() -#else -# define LLVM_BUILTIN_UNREACHABLE abort() #endif #endif |