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	Commit message (Collapse)	Author	Age
*	Allow overlaps between virtreg and physreg live ranges.	Jakob Stoklund Olesen	2012-09-06
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	The RegisterCoalescer understands overlapping live ranges where one register is defined as a copy of the other. With this change, register allocators using LiveRegMatrix can do the same, at least for copies between physical and virtual registers. When a physreg is defined by a copy from a virtreg, allow those live ranges to overlap: %CL<def> = COPY %vreg11:sub_8bit; GR32_ABCD:%vreg11 %vreg13<def,tied1> = SAR32rCL %vreg13<tied0>, %CL<imp-use,kill> We can assign %vreg11 to %ECX, overlapping the live range of %CL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163336 91177308-0d34-0410-b5e6-96231b3b80d8
*	Remove unused private fields found by clang's new -Wunused-private-field.	Benjamin Kramer	2012-06-06
\| \| \| \| \| \| \| \|	There are some that I didn't remove this round because they looked like obvious stubs. There are dead variables in gtest too, they should be fixed upstream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158090 91177308-0d34-0410-b5e6-96231b3b80d8
*	Extend the CoalescerPair interface to handle symmetric sub-register copies.	Jakob Stoklund Olesen	2012-05-15
\| \| \| \| \| \| \| \| \| \|	Now both SrcReg and DstReg can be sub-registers of the final coalesced register. CoalescerPair::setRegisters still rejects such copies because RegisterCoalescer doesn't yet handle them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156848 91177308-0d34-0410-b5e6-96231b3b80d8
*	Fixed typo in comment.	Lang Hames	2012-03-13
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152610 91177308-0d34-0410-b5e6-96231b3b80d8
*	Tidy up.	Jim Grosbach	2012-02-17
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150820 91177308-0d34-0410-b5e6-96231b3b80d8
*	Rename member variables to follow coding standards.	Jakob Stoklund Olesen	2011-08-09
\| \| \| \| \| \|	No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137094 91177308-0d34-0410-b5e6-96231b3b80d8
*	Move the RegisterCoalescer private to its implementation file.	Jakob Stoklund Olesen	2011-08-09
\| \| \| \| \| \|	RegisterCoalescer.h still has the CoalescerPair class interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137088 91177308-0d34-0410-b5e6-96231b3b80d8
*	Eliminate copies of undefined values during coalescing.	Jakob Stoklund Olesen	2011-07-26
\| \| \| \| \| \| \| \| \| \|	These copies would coalesce easily, but the resulting value would be defined by a deleted instruction. Now we also remove the undefined value number from the destination register. This fixes PR10503. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136174 91177308-0d34-0410-b5e6-96231b3b80d8
*	Remove dead code.	Rafael Espindola	2011-06-30
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134148 91177308-0d34-0410-b5e6-96231b3b80d8
*	make compose and isMoveInstr static functions.	Rafael Espindola	2011-06-29
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134093 91177308-0d34-0410-b5e6-96231b3b80d8
*	Remove unused methods.	Rafael Espindola	2011-06-26
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133900 91177308-0d34-0410-b5e6-96231b3b80d8
*	There is only one register coalescer. Merge it into the base class and	Rafael Espindola	2011-06-26
\| \| \| \| \| \|	remove the analysis group. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133899 91177308-0d34-0410-b5e6-96231b3b80d8
*	merge SimpleRegisterCoalescing.h into RegisterCoalescer.h.	Rafael Espindola	2011-06-26
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133896 91177308-0d34-0410-b5e6-96231b3b80d8
*	Move RegisterCoalescer.h to lib/CodeGen.	Rafael Espindola	2011-06-26
	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133895 91177308-0d34-0410-b5e6-96231b3b80d8