Chandler Carruth b67c9a5b02 Fix a somewhat surprising miscompile where code relying on an ABI ... alignment could lose it due to the alloca type moving down to a much smaller alignment guarantee. Now SROA will actively compute a proper alignment, factoring the target data, any explicit alignment, and the offset within the struct. This will in some cases lower the alignment requirements, but when we lower them below those of the type, we drop the alignment entirely to give freedom to the code generator to align it however is convenient. Thanks to Duncan for the lovely test case that pinned this down. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164891 91177308-0d34-0410-b5e6-96231b3b80d8		2012-09-29 10:41:21 +00:00
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Hello
InstCombine	Surprisingly, we missed a trivial case here. Fix that!	2012-09-28 09:33:53 +00:00
Instrumentation	Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767	2012-09-27 10:14:43 +00:00
IPO	GlobalDCE should be run at -O2 / -Os to eliminate unused dtor, etc. rdar://9142819	2012-09-28 21:23:26 +00:00
Scalar	Fix a somewhat surprising miscompile where code relying on an ABI	2012-09-29 10:41:21 +00:00
Utils	Fix a integer overflow in SimplifyCFG's look up table formation logic.	2012-09-27 18:29:58 +00:00
Vectorize	Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767	2012-09-27 10:14:43 +00:00
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