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3 Commits

Author SHA1 Message Date
Manman Ren
aef1b37824 TBAA: remove !tbaa from testing cases when they are not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191689 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-30 18:17:35 +00:00
Hal Finkel
86f4f6526b Fix comparisons of alloca alignment in inliner merging 
Duncan pointed out a mistake in my fix in r186425 when only one of the allocas
being compared had the target-default alignment. This is essentially his
suggested solution. Thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186510 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-17 14:32:41 +00:00
Hal Finkel
5a5ebb7f9f When the inliner merges allocas, it must keep the larger alignment 
For safety, the inliner cannot decrease the allignment on an alloca when
merging it with another.

I've included two variants of the test case for this: one with DataLayout
available, and one without. When DataLayout is not available, if only one of
the allocas uses the default alignment (getAlignment() == 0), then they cannot
be safely merged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186425 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-16 17:10:55 +00:00