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llvm-6502/lib/Transforms/Scalar
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Dan Gohman b6c3385a2d Don't sink gep operators through phi nodes if the result would require 
more than one phi, since that leads to higher register pressure on
entry to the phi. This is especially problematic when the phi is in
a loop header, as it increases register pressure throughout the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 02:01:52 +00:00
..
ADCE.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
BasicBlockPlacement.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
CMakeLists.txt
CodeGenPrepare.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
CondPropagate.cpp Remove some not-really-used variables, as warned 2009-09-06 12:41:19 +00:00
ConstantProp.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
DCE.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
DeadStoreElimination.cpp fix PR4815: some cases where DeleteDeadInstruction can delete 2009-09-02 06:31:02 +00:00
GVN.cpp Change PHINode::hasConstantValue to have a DominatorTree argument 2009-09-03 15:34:35 +00:00
GVNPRE.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
IndVarSimplify.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
InstructionCombining.cpp Don't sink gep operators through phi nodes if the result would require 2009-09-16 02:01:52 +00:00
JumpThreading.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
LICM.cpp Re-apply r80926, with fixes: keep the domtree informed of new blocks 2009-09-08 15:45:00 +00:00
LoopDeletion.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
LoopIndexSplit.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
LoopRotation.cpp Fix SplitCriticalEdge to properly update LCSSA form when splitting a 2009-09-09 18:18:18 +00:00
LoopStrengthReduce.cpp Re-apply r80926, with fixes: keep the domtree informed of new blocks 2009-09-08 15:45:00 +00:00
LoopUnroll.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
LoopUnswitch.cpp Reflow comment. 2009-09-09 17:57:16 +00:00
Makefile
MemCpyOptimizer.cpp When extending a memset range past the front, set the alignment of the 2009-09-14 23:39:10 +00:00
PredicateSimplifier.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
Reassociate.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
Reg2Mem.cpp clean up this code a bit. 2009-09-02 06:15:37 +00:00
Scalar.cpp
ScalarReplAggregates.cpp Add more newlines to make up for the ones removed from the end of instructions. 2009-09-15 07:08:25 +00:00
SCCP.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
SimplifyCFGPass.cpp back out my recent commit (r80858), it seems to break self-hosting buildbot's stage 2 configure 2009-09-03 02:02:59 +00:00
SimplifyHalfPowrLibCalls.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
SimplifyLibCalls.cpp In C++, code is not allowed to call main. In C it is, this 2009-09-03 05:19:59 +00:00
TailDuplication.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00
TailRecursionElimination.cpp eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 2009-09-02 06:11:42 +00:00