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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-01-17 23:46:04 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-01-17 23:46:04 +0000 |
| commit | ba57183965f117279342903edec19766e478c9a8 (patch) | |
| tree | d79a9fbeac5ff296a114aac04815f8996a8c6e6c /include/clang/Basic/Builtins.h | |
| parent | 02dd79830979e6d83d4420377e8f4c9e4a77439b (diff) | |
Some builtins do not evaluate their arguments. Teach EvaluatedExprVisitor not
to visit them.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172769 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/clang/Basic/Builtins.h')
| -rw-r--r-- | include/clang/Basic/Builtins.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/clang/Basic/Builtins.h b/include/clang/Basic/Builtins.h index 257daf10ec..3b88e1550c 100644 --- a/include/clang/Basic/Builtins.h +++ b/include/clang/Basic/Builtins.h @@ -109,6 +109,12 @@ public: return strchr(GetRecord(ID).Attributes, 'j') != 0; } + /// \brief Returns true if this builtin does not perform the side-effects + /// of its arguments. + bool isUnevaluated(unsigned ID) const { + return strchr(GetRecord(ID).Attributes, 'u') != 0; + } + /// \brief Return true if this is a builtin for a libc/libm function, /// with a "__builtin_" prefix (e.g. __builtin_abs). bool isLibFunction(unsigned ID) const { |