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| author | Charlie Turner <charlie.turner@arm.com> | 2015-09-24 10:24:58 +0000 |
|---|---|---|
| committer | Charlie Turner <charlie.turner@arm.com> | 2015-09-24 10:24:58 +0000 |
| commit | 2720593ab4518012af619c90b45f60ccc4ae4f29 (patch) | |
| tree | 14d05e335eb725c957e3b3abf7fa362276ea4723 /llvm/docs | |
| parent | e0395a7f7f3a0ba22080fe27016702a72de63ddb (diff) | |
| download | bcm5719-llvm-2720593ab4518012af619c90b45f60ccc4ae4f29.tar.gz bcm5719-llvm-2720593ab4518012af619c90b45f60ccc4ae4f29.zip | |
[InstCombine] Recognize another bswap idiom.
Summary:
The byte-swap recognizer can now notice that this
```
uint32_t bswap(uint32_t x)
{
x = (x & 0x0000FFFF) << 16 | (x & 0xFFFF0000) >> 16;
x = (x & 0x00FF00FF) << 8 | (x & 0xFF00FF00) >> 8;
return x;
}
```
is a bswap. Fixes PR23863.
Reviewers: nlewycky, hfinkel, hans, jmolloy, rengolin
Subscribers: majnemer, rengolin, llvm-commits
Differential Revision: http://reviews.llvm.org/D12637
llvm-svn: 248482
Diffstat (limited to 'llvm/docs')
0 files changed, 0 insertions, 0 deletions
