Files
archived-llvm/test/Transforms/InstCombine
Charlie Turner 424da54881 [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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248482 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-24 10:24:58 +00:00
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This directory contains test cases for the instcombine transformation.  The
dated tests are actual bug tests, whereas the named tests are used to test
for features that the this pass should be capable of performing.