[llvm] [X86] Merge BT with a matching BTR/BTS/BTC (PR #193612)

[Simon Pilgrim via llvm-commits]

=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>,
=?utf-8?q?Pawe=C5=82?= Bylica <pawel at hepcolgum.band>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/193612 at github.com>


================
@@ -0,0 +1,155 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
----------------
RKSimon wrote:

Add 32-bit test coverage:
```
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=CHECK,X64
; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=CHECK,X86
```

https://github.com/llvm/llvm-project/pull/193612