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llvm-mirror/lib/Transforms/InstCombine
Stuart Hastings 65d0bc94b4 Avoid fusing bitcasts with dynamic allocas if the amount-to-allocate
might overflow.  Re-typing the alloca to a larger type (e.g. double)
hoists a shift into the alloca, potentially exposing overflow in the
expression.  rdar://problem/9265821

llvm-svn: 132926
2011-06-13 18:48:49 +00:00
..
CMakeLists.txt Removed a bunch of unnecessary target_link_libraries. 2010-09-28 22:39:14 +00:00
InstCombine.h Make the demanded bits/elements optimizations preserve debug line information. 2011-05-19 01:20:42 +00:00
InstCombineAddSub.cpp add is always integer, thanks to Frits for noticing this. 2011-02-17 20:55:29 +00:00
InstCombineAndOrXor.cpp We require threse bits to be zero, too. 2011-04-28 21:38:51 +00:00
InstCombineCalls.cpp Final step of instcombine debuginfo; switch a couple more places over to InsertNewInstWith, and use setDebugLoc for the cases which can't be easily handled by the automated mechanisms. 2011-05-27 00:19:40 +00:00
InstCombineCasts.cpp Avoid fusing bitcasts with dynamic allocas if the amount-to-allocate 2011-06-13 18:48:49 +00:00
InstCombineCompares.cpp InstCombine: Fold A-b == C --> b == A-C if A and C are constants. 2011-06-13 15:24:24 +00:00
InstCombineLoadStoreAlloca.cpp Final step of instcombine debuginfo; switch a couple more places over to InsertNewInstWith, and use setDebugLoc for the cases which can't be easily handled by the automated mechanisms. 2011-05-27 00:19:40 +00:00
InstCombineMulDivRem.cpp Reapply 132348 with fixes. rdar://problem/6501862 2011-06-01 16:42:47 +00:00
InstCombinePHI.cpp Final step of instcombine debuginfo; switch a couple more places over to InsertNewInstWith, and use setDebugLoc for the cases which can't be easily handled by the automated mechanisms. 2011-05-27 00:19:40 +00:00
InstCombineSelect.cpp ConstantFoldInstOperands doesn't like compares, hand it off to instsimplify instead. 2011-05-28 10:16:58 +00:00
InstCombineShifts.cpp Balance parentheses. 2011-04-29 08:41:23 +00:00
InstCombineSimplifyDemanded.cpp Renamed llvm.x86.sse42.crc32 intrinsics; crc64 doesn't exist. 2011-05-26 23:13:19 +00:00
InstCombineVectorOps.cpp Instcombile optimization: extractelement(cast) -> cast(extractelement) 2011-03-31 22:57:29 +00:00
InstCombineWorklist.h InstCombine: We know the number of items initially added to the worklist map, reserve space early to avoid rehashing. 2011-03-05 16:43:46 +00:00
InstructionCombining.cpp Final step of instcombine debuginfo; switch a couple more places over to InsertNewInstWith, and use setDebugLoc for the cases which can't be easily handled by the automated mechanisms. 2011-05-27 00:19:40 +00:00
Makefile