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author	Dan Gohman <gohman@apple.com>
	Fri, 12 Feb 2010 10:34:29 +0000 (10:34 +0000)
committer	Dan Gohman <gohman@apple.com>
	Fri, 12 Feb 2010 10:34:29 +0000 (10:34 +0000)
commit	d7df9e124368e5e48122aef8154f39b0346226f5
tree	0571ce42ea03d210844a627baea045fa36f16df5	tree \| snapshot
parent	4a08b90bc70e6a988fd3988fb7f11718ffe00808	commit \| diff

Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.

This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95975 91177308-0d34-0410-b5e6-96231b3b80d8

35 files changed:

include/llvm/Analysis/IVUsers.h		diff \| blob \| history
include/llvm/Analysis/ScalarEvolutionExpander.h		diff \| blob \| history
lib/Analysis/IVUsers.cpp		diff \| blob \| history
lib/Analysis/ScalarEvolutionExpander.cpp		diff \| blob \| history
lib/CodeGen/LLVMTargetMachine.cpp		diff \| blob \| history
lib/Transforms/Scalar/IndVarSimplify.cpp		diff \| blob \| history
lib/Transforms/Scalar/LoopStrengthReduce.cpp		diff \| blob \| history
test/CodeGen/ARM/arm-negative-stride.ll		diff \| blob \| history
test/CodeGen/ARM/lsr-code-insertion.ll		diff \| blob \| history
test/CodeGen/Thumb2/lsr-deficiency.ll		diff \| blob \| history
test/CodeGen/Thumb2/thumb2-ifcvt1.ll		diff \| blob \| history
test/CodeGen/X86/2006-05-11-InstrSched.ll		diff \| blob \| history
test/CodeGen/X86/2007-03-15-GEP-Idx-Sink.ll		diff \| blob \| history
test/CodeGen/X86/2007-11-30-LoadFolding-Bug.ll		diff \| blob \| history
test/CodeGen/X86/full-lsr.ll		diff \| blob \| history
test/CodeGen/X86/iv-users-in-other-loops.ll		diff \| blob \| history
test/CodeGen/X86/loop-strength-reduce-2.ll		diff \| blob \| history
test/CodeGen/X86/loop-strength-reduce-3.ll		diff \| blob \| history
test/CodeGen/X86/loop-strength-reduce.ll		diff \| blob \| history
test/CodeGen/X86/loop-strength-reduce4.ll		diff \| blob \| history
test/CodeGen/X86/loop-strength-reduce8.ll		diff \| blob \| history
test/CodeGen/X86/lsr-reuse.ll	[new file with mode: 0644]	blob
test/CodeGen/X86/masked-iv-safe.ll		diff \| blob \| history
test/CodeGen/X86/pr3495.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/addrec-gep.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/2008-08-06-CmpStride.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/change-compare-stride-trickiness-0.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/change-compare-stride-trickiness-1.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/count-to-zero.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/invariant_value_first.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/invariant_value_first_arg.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/ops_after_indvar.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/remove_indvar.ll		diff \| blob \| history
test/Transforms/LoopStrengthReduce/use_postinc_value_outside_loop.ll		diff \| blob \| history

external/llvm

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