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* [X86] Automatically generate various tests. NFCAmaury Sechet2019-08-261-3/+8
| | | | llvm-svn: 369909
* X86: Do not use llc -march in tests.Matthias Braun2017-08-021-1/+1
| | | | | | | | | | | | | | | `llc -march` is problematic because it only switches the target architecture, but leaves the operating system unchanged. This occasionally leads to indeterministic tests because the OS from LLVM_DEFAULT_TARGET_TRIPLE is used. However we can simply always use `llc -mtriple` instead. This changes all the tests to do this to avoid people using -march when they copy and paste parts of tests. See also the discussion in https://reviews.llvm.org/D35287 llvm-svn: 309774
* A select between a constant and zero, when fed by a bit test, can be efficientlyOwen Anderson2010-09-221-0/+13
lowered using a series of shifts. Fixes <rdar://problem/8285015>. llvm-svn: 114599
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