[llvm] b48b4ed - [MCRegInfo] Add sub_and_superregs_inclusive iterator range.

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2019-12-11T09:53:19Z
New Revision: b48b4ed1a0bd81531d3aeb4e719b273751548a34

URL: https://github.com/llvm/llvm-project/commit/b48b4ed1a0bd81531d3aeb4e719b273751548a34
DIFF: https://github.com/llvm/llvm-project/commit/b48b4ed1a0bd81531d3aeb4e719b273751548a34.diff

LOG: [MCRegInfo] Add sub_and_superregs_inclusive iterator range.

Reviewers: evandro, qcolombet, paquette, MatzeB, arsenm

Reviewed By: paquette

Differential Revision: https://reviews.llvm.org/D70566

Added: 
    

Modified: 
    llvm/include/llvm/MC/MCRegisterInfo.h

Removed: 
    


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diff  --git a/llvm/include/llvm/MC/MCRegisterInfo.h b/llvm/include/llvm/MC/MCRegisterInfo.h
index 9280dc75e50b..9864d95d19e0 100644
--- a/llvm/include/llvm/MC/MCRegisterInfo.h
+++ b/llvm/include/llvm/MC/MCRegisterInfo.h
@@ -324,6 +324,14 @@ class MCRegisterInfo {
     return make_range({Reg, this}, mc_superreg_iterator::end());
   }
 
+  /// Return an iterator range over all sub- and super-registers of \p Reg,
+  /// including \p Reg.
+  detail::concat_range<const MCPhysReg, iterator_range<mc_subreg_iterator>,
+                       iterator_range<mc_superreg_iterator>>
+  sub_and_superregs_inclusive(MCRegister Reg) const {
+    return concat<const MCPhysReg>(subregs_inclusive(Reg), superregs(Reg));
+  }
+
   // These iterators are allowed to sub-class DiffListIterator and access
   // internal list pointers.
   friend class MCSubRegIterator;