Jakob Stoklund Olesen 200a8cef25 Also add <imp-use,kill> flags for redefined super-registers. ... For example: %vreg10:dsub_0<def,undef> = COPY %vreg1 %vreg10:dsub_1<def> = COPY %vreg2 is rewritten as: %D2<def> = COPY %D0, %Q1<imp-def> %D3<def> = COPY %D1, %Q1<imp-use,kill>, %Q1<imp-def> The first COPY doesn't care about the previous value of %Q1, so it doesn't read that register. The second COPY is a partial redefinition of %Q1, so it implicitly kills and redefines that register. This makes it possible to recognize instructions that can harmlessly clobber the full super-register. The write and don't read the super-register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141139 91177308-0d34-0410-b5e6-96231b3b80d8		2011-10-05 00:01:48 +00:00
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Analysis	The product of two chrec's can always be represented as a chrec.	2011-10-04 06:51:26 +00:00
Archive	Rewrite the CMake build to use explicit dependencies between libraries,	2011-07-29 00:14:25 +00:00
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CodeGen	Also add <imp-use,kill> flags for redefined super-registers.	2011-10-05 00:01:48 +00:00
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