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0ef546e639
llvm-6502/lib/Transforms/Scalar
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Chris Lattner 0ef546e639 Make instcombine's DSE respect loads as well as stores. It is not safe to 
delete the first store in:

store x -> p
load p
store y -> p

This is for PR2297.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50859 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-08 17:20:30 +00:00
..
ADCE.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
BasicBlockPlacement.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
CodeGenPrepare.cpp Implement a signficant optimization for inline asm: 2008-04-27 00:37:18 +00:00
CondPropagate.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ConstantProp.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
DCE.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
DeadStoreElimination.cpp Fix DSE to not eliminate volatile loads with no uses. 2008-04-28 19:51:27 +00:00
GCSE.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
GVN.cpp Remove unneeded #include's. 2008-04-21 07:47:38 +00:00
GVNPRE.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
IndVarSimplify.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
InstructionCombining.cpp Make instcombine's DSE respect loads as well as stores. It is not safe to 2008-05-08 17:20:30 +00:00
JumpThreading.cpp fix typo Duncan noticed 2008-05-06 02:31:18 +00:00
LICM.cpp Make several variable declarations static. 2008-05-06 01:53:16 +00:00
LoopDeletion.cpp We need to update PHIs containing the exiting block, not the exit block. We really should come up with better names for these. 2008-05-06 20:55:16 +00:00
LoopIndexSplit.cpp Porting r50563 from Tak to mainline. 2008-05-02 00:43:20 +00:00
LoopRotation.cpp add a FIXME so we remember to eventually remove this code. 2008-05-02 17:18:31 +00:00
LoopStrengthReduce.cpp Minor whitespace and comment cleanups. 2008-04-14 18:26:16 +00:00
LoopUnroll.cpp Make several variable declarations static. 2008-05-06 01:53:16 +00:00
LoopUnswitch.cpp Make several variable declarations static. 2008-05-06 01:53:16 +00:00
Makefile remove attribution from lib Makefiles. 2007-12-29 20:09:26 +00:00
MemCpyOptimizer.cpp processStore may delete the instruction, avoid 2008-05-04 08:51:25 +00:00
PredicateSimplifier.cpp Remove unnecessary <sstream> includes. 2008-04-14 20:40:47 +00:00
Reassociate.cpp Don't include <map> in Pass.h, which doesn't need it. This requires 2008-03-21 23:51:57 +00:00
Reg2Mem.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
Scalar.cpp C and Objective Caml bindings for mem2reg and reg2mem. 2008-03-20 17:16:03 +00:00
ScalarReplAggregates.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
SCCP.cpp Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 2008-04-25 16:53:59 +00:00
SimplifyCFG.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00
SimplifyLibCalls.cpp Fix: Some classes were derived from a class in an anonymous namespace, but they 2008-05-05 21:37:59 +00:00
TailDuplication.cpp replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with 2008-04-20 22:18:22 +00:00
TailRecursionElimination.cpp API changes for class Use size reduction, wave 1. 2008-04-06 20:25:17 +00:00