llvm-6502/lib/Transforms/Scalar
Zhou Sheng 17183ab973 If BitWidth equals to ShtAmt, the RHSKnownZero[BitWidth-ShiftAmt-1] will
crash the opt. Just fix this.

Test case in llvm/test/Transforms/InstCombine/2008-06-05-ashr-crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52003 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-05 14:23:44 +00:00
..
ADCE.cpp Add a newline at the end of this file. 2008-05-29 14:38:23 +00:00
BasicBlockPlacement.cpp Clean up the use of static and anonymous namespaces. This turned up 2008-05-13 00:00:25 +00:00
CodeGenPrepare.cpp Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 2008-05-23 21:05:58 +00:00
CondPropagate.cpp Clean up the use of static and anonymous namespaces. This turned up 2008-05-13 00:00:25 +00:00
ConstantProp.cpp Clean up the use of static and anonymous namespaces. This turned up 2008-05-13 00:00:25 +00:00
DCE.cpp Clean up the use of static and anonymous namespaces. This turned up 2008-05-13 00:00:25 +00:00
DeadStoreElimination.cpp 80 col / tabs fixes 2008-05-13 01:48:26 +00:00
GCSE.cpp Update comments and documentation to reflect that GCSE and ValueNumbering are 2008-06-05 07:55:49 +00:00
GVN.cpp Update comments and documentation to reflect that GCSE and ValueNumbering are 2008-06-05 07:55:49 +00:00
GVNPRE.cpp Update comments and documentation to reflect that GCSE and ValueNumbering are 2008-06-05 07:55:49 +00:00
IndVarSimplify.cpp Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 2008-05-23 21:05:58 +00:00
InstructionCombining.cpp If BitWidth equals to ShtAmt, the RHSKnownZero[BitWidth-ShiftAmt-1] will 2008-06-05 14:23:44 +00:00
JumpThreading.cpp Fix some constructs that gcc-4.4 warns about. 2008-05-27 11:50:51 +00:00
LICM.cpp Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 2008-05-23 21:05:58 +00:00
LoopDeletion.cpp Remove debugging code. 2008-05-29 08:15:48 +00:00
LoopIndexSplit.cpp Do not erase induction variable increment if it is used outside the loop. 2008-05-19 22:23:55 +00:00
LoopRotation.cpp Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 2008-05-23 21:05:58 +00:00
LoopStrengthReduce.cpp Remove x86.sse2.loadh.pd and x86.sse2.loadl.pd. These will be lowered into load and shuffle instructions. 2008-05-24 00:07:06 +00:00
LoopUnroll.cpp Bill pointed out that system headers should be 2008-05-16 09:30:00 +00:00
LoopUnswitch.cpp Update dom tree. Fix PR 2372. 2008-06-02 22:52:56 +00:00
Makefile remove attribution from lib Makefiles. 2007-12-29 20:09:26 +00:00
MemCpyOptimizer.cpp Fix two issues that Eli Friedman pointed out, where would misoptimized code like: 2008-06-01 22:26:26 +00:00
PredicateSimplifier.cpp InequalityGraph::node() can create new nodes, invalidating iterators across 2008-05-27 00:59:05 +00:00
Reassociate.cpp API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 2008-05-16 19:29:10 +00:00
Reg2Mem.cpp API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 2008-05-16 19:29:10 +00:00
Scalar.cpp C and Objective Caml bindings for mem2reg and reg2mem. 2008-03-20 17:16:03 +00:00
ScalarReplAggregates.cpp Learn ScalarReplAggregrates how stores and loads of first class aggregrates 2008-06-05 12:51:53 +00:00
SCCP.cpp Fix PR2358 by resolving calls with undef arguments to overdefined. 2008-05-24 03:59:33 +00:00
SimplifyCFGPass.cpp rename SimplifyCFG.cpp -> SimplifyCFGPass.cpp 2008-05-14 20:38:44 +00:00
SimplifyLibCalls.cpp Fix PR2341 - when the length is 4 use an i32 not 2008-05-19 09:27:24 +00:00
TailDuplication.cpp Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 2008-05-23 21:05:58 +00:00
TailRecursionElimination.cpp Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 2008-05-15 10:04:30 +00:00