llvm-6502/lib/Transforms/InstCombine
Eli Friedman 694488f477 Add a small transform: transform -(X<<Y) to (-X<<Y) when the shift has a single
use and X is free to negate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94941 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-31 02:30:23 +00:00
..
CMakeLists.txt split and/or/xor out into one overly-large (2000LOC) file. However, I think 2010-01-05 07:50:36 +00:00
InstCombine.h inline and remove the rest of commonIntCastTransforms. 2010-01-10 01:00:46 +00:00
InstCombineAddSub.cpp Add a small transform: transform -(X<<Y) to (-X<<Y) when the shift has a single 2010-01-31 02:30:23 +00:00
InstCombineAndOrXor.cpp change the canonical form of "cond ? -1 : 0" to be 2010-01-24 00:09:49 +00:00
InstCombineCalls.cpp Revert my last couple of patches. They appear to have broken bison. 2010-01-29 21:16:24 +00:00
InstCombineCasts.cpp change the canonical form of "cond ? -1 : 0" to be 2010-01-24 00:09:49 +00:00
InstCombineCompares.cpp tidy up some stuff duncan pointed out. 2010-01-08 17:48:19 +00:00
InstCombineLoadStoreAlloca.cpp Check alignment of loads when deciding whether it is safe to execute them 2010-01-30 04:42:39 +00:00
InstCombineMulDivRem.cpp Fix comment. 2010-01-17 06:49:03 +00:00
InstCombinePHI.cpp Add newline at EOF. 2010-01-05 13:32:48 +00:00
InstCombineSelect.cpp change the canonical form of "cond ? -1 : 0" to be 2010-01-24 00:09:49 +00:00
InstCombineShifts.cpp fix a potential overflow issue Eli pointed out. 2010-01-23 23:31:46 +00:00
InstCombineSimplifyDemanded.cpp Having RHSKnownZero and RHSKnownOne be alternative names for KnownZero and KnownOne 2010-01-29 06:18:46 +00:00
InstCombineVectorOps.cpp reduce indentation 2010-01-05 05:42:08 +00:00
InstCombineWorklist.h remove a ton of unneeded LLVMContext stuff. 2010-01-04 07:02:48 +00:00
InstructionCombining.cpp teach ComputeNumSignBits to look through PHI nodes. 2010-01-07 23:44:37 +00:00
Makefile make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +00:00