5fd5b125ff41088c005b7107e8cf92f281313040 - platform_external_llvm

commit	5fd5b125ff41088c005b7107e8cf92f281313040	[log] [tgz]
author	Andrew Trick <atrick@apple.com>	Fri Mar 18 16:50:32 2011 +0000
committer	Andrew Trick <atrick@apple.com>	Fri Mar 18 16:50:32 2011 +0000
tree	f5a579acd5113f28673eaa0d250564a8ced53fed
parent	84161c2f683357938cf283f40bd1ef3e61c317f5 [diff]

Avoid creating canonical induction variables for non-native types.
For example, on 32-bit architecture, don't promote all uses of the IV
to 64-bits just because one use is a 64-bit cast.
Alternate implementation of the patch by Arnaud de Grandmaison.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127884 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/IVUsers.h[diff]
lib/Analysis/IVUsers.cpp[diff]
test/Transforms/IndVarSimplify/2009-04-14-shorten_iv_vars.ll[diff]
test/Transforms/IndVarSimplify/2009-04-15-shorten-iv-vars-2.ll[diff]
test/Transforms/IndVarSimplify/ada-loops.ll[diff]
test/Transforms/IndVarSimplify/addrec-gep.ll[diff]
test/Transforms/IndVarSimplify/ashr-tripcount.ll[diff]
test/Transforms/IndVarSimplify/iv-sext.ll[diff]
test/Transforms/IndVarSimplify/iv-zext.ll[diff]
test/Transforms/IndVarSimplify/max-pointer.ll[diff]
test/Transforms/IndVarSimplify/pointer.ll[diff]
test/Transforms/IndVarSimplify/preserve-gep-loop-variant.ll[diff]
test/Transforms/IndVarSimplify/preserve-gep-nested.ll[diff]
test/Transforms/IndVarSimplify/preserve-gep-remainder.ll[diff]
test/Transforms/IndVarSimplify/preserve-gep.ll[diff]
test/Transforms/LoopSimplify/merge-exits.ll[diff]
test/Transforms/LoopStrengthReduce/invariant_value_first.ll[diff]
test/Transforms/LoopStrengthReduce/invariant_value_first_arg.ll[diff]
test/Transforms/LoopStrengthReduce/ops_after_indvar.ll[diff]
test/Transforms/LoopStrengthReduce/var_stride_used_by_compare.ll[diff]

20 files changed

tree: f5a579acd5113f28673eaa0d250564a8ced53fed