diff options
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-03-10 13:44:32 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-03-10 13:44:32 +0000 |
| commit | b02667c469493e8f1eee4601d175942c9e80c73d (patch) | |
| tree | ca9f54e6c64afb485db66deae194e50ae5dc57bb /clang/test/Index/annotate-nested-name-specifier.cpp | |
| parent | 7090d145e8eb0164e5862321e76ecfc1736dd741 (diff) | |
| download | llvm-b02667c469493e8f1eee4601d175942c9e80c73d.zip llvm-b02667c469493e8f1eee4601d175942c9e80c73d.tar.gz llvm-b02667c469493e8f1eee4601d175942c9e80c73d.tar.bz2 | |
[APInt] Add APInt::insertBits() method to insert an APInt into a larger APInt
We currently have to insert bits via a temporary variable of the same size as the target with various shift/mask stages, resulting in further temporary variables, all of which require the allocation of memory for large APInts (MaskSizeInBits > 64).
This is another of the compile time issues identified in PR32037 (see also D30265).
This patch adds the APInt::insertBits() helper method which avoids the temporary memory allocation and masks/inserts the raw bits directly into the target.
Differential Revision: https://reviews.llvm.org/D30780
llvm-svn: 297458
Diffstat (limited to 'clang/test/Index/annotate-nested-name-specifier.cpp')
0 files changed, 0 insertions, 0 deletions