diff options
author | Duncan Sands <baldrick@free.fr> | 2007-12-19 21:13:37 +0000 |
---|---|---|
committer | Duncan Sands <baldrick@free.fr> | 2007-12-19 21:13:37 +0000 |
commit | f0c3354d998507515ab39e26b5292ea0ceb06aef (patch) | |
tree | d4442f54d211307d792ee586467e8a127c908365 /lib/VMCore/Function.cpp | |
parent | 0a92af487b8ae5d004a3460e3518a3815d9b36a8 (diff) | |
download | external_llvm-f0c3354d998507515ab39e26b5292ea0ceb06aef.zip external_llvm-f0c3354d998507515ab39e26b5292ea0ceb06aef.tar.gz external_llvm-f0c3354d998507515ab39e26b5292ea0ceb06aef.tar.bz2 |
When inlining through an 'nounwind' call, mark inlined
calls 'nounwind'. It is important for correct C++
exception handling that nounwind markings do not get
lost, so this transformation is actually needed for
correctness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45218 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/Function.cpp')
-rw-r--r-- | lib/VMCore/Function.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp index f985899..37e25ad 100644 --- a/lib/VMCore/Function.cpp +++ b/lib/VMCore/Function.cpp @@ -261,6 +261,32 @@ ParamAttrsList::getModified(const ParamAttrsList *PAL, return get(newVec); } +const ParamAttrsList * +ParamAttrsList::includeAttrs(const ParamAttrsList *PAL, + uint16_t idx, uint16_t attrs) { + uint16_t OldAttrs = PAL ? PAL->getParamAttrs(idx) : 0; + uint16_t NewAttrs = OldAttrs | attrs; + if (NewAttrs == OldAttrs) + return PAL; + + ParamAttrsVector modVec; + modVec.push_back(ParamAttrsWithIndex::get(idx, NewAttrs)); + return getModified(PAL, modVec); +} + +const ParamAttrsList * +ParamAttrsList::excludeAttrs(const ParamAttrsList *PAL, + uint16_t idx, uint16_t attrs) { + uint16_t OldAttrs = PAL ? PAL->getParamAttrs(idx) : 0; + uint16_t NewAttrs = OldAttrs & ~attrs; + if (NewAttrs == OldAttrs) + return PAL; + + ParamAttrsVector modVec; + modVec.push_back(ParamAttrsWithIndex::get(idx, NewAttrs)); + return getModified(PAL, modVec); +} + ParamAttrsList::~ParamAttrsList() { ParamAttrsLists->RemoveNode(this); } |