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Remove the canCombineSubRegIndices() target hook.

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The new coalescer can already do all of this, so there is no need to
duplicate the efforts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-10-26 20:38:19 +00:00
parent b8b3f6081f
commit f4a5a613fa
4 changed files with 0 additions and 267 deletions
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12
include/llvm/Target/TargetRegisterInfo.h
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@@ -446,18 +446,6 @@ public:
return MCRegisterInfo::getMatchingSuperReg(Reg, SubIdx, RC->MC);
}
/// canCombineSubRegIndices - Given a register class and a list of
/// subregister indices, return true if it's possible to combine the
/// subregister indices into one that corresponds to a larger
/// subregister. Return the new subregister index by reference. Note the
/// new index may be zero if the given subregisters can be combined to
/// form the whole register.
virtual bool canCombineSubRegIndices(const TargetRegisterClass *RC,
SmallVectorImpl<unsigned> &SubIndices,
unsigned &NewSubIdx) const {
return 0;
}
/// getMatchingSuperRegClass - Return a subclass of the specified register
/// class A so that each register in it has a sub-register of the
/// specified sub-register index which is in the specified register class B.