clang

Commit Graph

Author	SHA1	Message	Date
Charles Li	ccb64f9e8d	[Test] Make Lit tests C++11 compatible #9 [Test] Make Lit tests C++11 compatible #9 Differential Revision: https://reviews.llvm.org/D20710 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296184 91177308-0d34-0410-b5e6-96231b3b80d8	2017-02-24 22:22:05 +00:00
Benjamin Kramer	f408d1dc58	Drop value names from test to get -Asserts builds back to green. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174294 91177308-0d34-0410-b5e6-96231b3b80d8	2013-02-03 20:22:35 +00:00
Benjamin Kramer	ae3f760875	CodeGen: Implement hint values for dynamic_cast as described in the Itanium C++ ABI. This can yield dramatic speedups of dynamic_cast for simple inheritance trees, at least with libsupc++. Neither libcxxabi nor libcxxrt make use of this hint currently, it was never implemented because clang didn't support it. There was some concern about the number of class hierarchy walks this change introduces. If it turns out to be an issue we can add caching either at the cast pair level or even deeper, but we also do a lot of walks in Sema so this codepath is probably fairly optimized already. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174293 91177308-0d34-0410-b5e6-96231b3b80d8	2013-02-03 19:59:25 +00:00

Author

SHA1

Message

Date

Charles Li

ccb64f9e8d

[Test] Make Lit tests C++11 compatible #9

[Test] Make Lit tests C++11 compatible #9

Differential Revision: https://reviews.llvm.org/D20710


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296184 91177308-0d34-0410-b5e6-96231b3b80d8

2017-02-24 22:22:05 +00:00

Benjamin Kramer

f408d1dc58

Drop value names from test to get -Asserts builds back to green.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174294 91177308-0d34-0410-b5e6-96231b3b80d8

2013-02-03 20:22:35 +00:00

Benjamin Kramer

ae3f760875

CodeGen: Implement hint values for dynamic_cast as described in the Itanium C++ ABI.

This can yield dramatic speedups of dynamic_cast for simple inheritance trees,
at least with libsupc++. Neither libcxxabi nor libcxxrt make use of this
hint currently, it was never implemented because clang didn't support it.

There was some concern about the number of class hierarchy walks this change
introduces. If it turns out to be an issue we can add caching either at the cast
pair level or even deeper, but we also do a lot of walks in Sema so this
codepath is probably fairly optimized already.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174293 91177308-0d34-0410-b5e6-96231b3b80d8

2013-02-03 19:59:25 +00:00

3 Commits