Christopher Lamb 7a0678cae6 Fold subtracts into integer compares vs. zero. This improves generate code for this case on X86 ... from _foo: movl $99, %ecx movl 4(%esp), %eax subl %eax, %ecx xorl %edx, %edx testl %ecx, %ecx cmovs %edx, %eax ret to _foo: xorl %ecx, %ecx movl 4(%esp), %eax cmpl $99, %eax cmovg %ecx, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45173 91177308-0d34-0410-b5e6-96231b3b80d8		2007-12-18 21:32:20 +00:00
..
ADCE.cpp	Integrate the readonly/readnone logic more deeply	2007-12-01 07:51:45 +00:00
BasicBlockPlacement.cpp	Fix typo in comment.	2007-05-06 13:37:16 +00:00
CodeGenPrepare.cpp	Fix typo.	2007-12-13 07:50:36 +00:00
CondPropagate.cpp	Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.ll	2007-08-02 04:47:05 +00:00
ConstantProp.cpp	Fix typo in comment.	2007-05-06 13:37:16 +00:00
CorrelatedExprs.cpp	Add explicit keywords.	2007-11-19 15:30:20 +00:00
DCE.cpp	Fix GLIBCXX_DEBUG errors. Erase invalidates std::vector iterators	2007-12-17 17:39:51 +00:00
DeadStoreElimination.cpp	Integrate the readonly/readnone logic more deeply	2007-12-01 07:51:45 +00:00
GCSE.cpp	Use DominatorTree instead of ETForest.	2007-06-07 18:45:06 +00:00
GVN.cpp	Fix several cache coherence bugs in MemDep/GVN that were found. Also add some (disabled) debugging code	2007-12-08 01:37:09 +00:00
GVNPRE.cpp	explicit keywords.	2007-09-24 15:48:49 +00:00
IndVarSimplify.cpp	Move the SCEV object factors from being static members of the individual	2007-10-22 18:31:58 +00:00
InstructionCombining.cpp	Fold subtracts into integer compares vs. zero. This improves generate code for this case on X86	2007-12-18 21:32:20 +00:00
LICM.cpp	Integrate the readonly/readnone logic more deeply	2007-12-01 07:51:45 +00:00
LoopIndexSplit.cpp	If ExitValue operand is also defined in Loop header then	2007-12-03 19:17:21 +00:00
LoopRotation.cpp	Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change.	2007-11-27 03:43:35 +00:00
LoopStrengthReduce.cpp	Remove indeterminism from a loop. We think this will	2007-11-17 02:48:01 +00:00
LoopUnroll.cpp	Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change.	2007-11-27 03:43:35 +00:00
LoopUnswitch.cpp	Get rid of annoying spaces.	2007-12-17 17:40:29 +00:00
LowerGC.cpp	Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space.	2007-12-17 01:12:55 +00:00
LowerPacked.cpp	Finishing initial docs for all transformations in Passes.html.	2007-11-04 16:15:04 +00:00
Makefile
PredicateSimplifier.cpp	Executive summary: getTypeSize -> getTypeStoreSize / getABITypeSize.	2007-11-01 20:53:16 +00:00
Reassociate.cpp	Fix typo in comment.	2007-05-06 13:37:16 +00:00
Reg2Mem.cpp	Reg2Mem cleanup and optimizations:	2007-10-21 23:05:16 +00:00
ScalarReplAggregates.cpp	At the point of calculating the shift amount, the	2007-11-06 20:39:11 +00:00
SCCP.cpp	Use empty() member functions when that's what's being tested for instead	2007-10-03 19:26:29 +00:00
SimplifyCFG.cpp	Rename isNoReturn to doesNotReturn, and isNoUnwind to	2007-12-18 09:59:50 +00:00
TailDuplication.cpp	Disable tail duplication of call instructions. The cost	2007-11-04 06:37:55 +00:00
TailRecursionElimination.cpp	Prevent tailcallelim from breaking "recursive" calls to builtins.	2007-09-10 20:58:55 +00:00