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[pull] master from llvm:master #82

Merged
merged 2 commits into from
Aug 31, 2019
Merged

[pull] master from llvm:master #82

merged 2 commits into from
Aug 31, 2019

Commits on Aug 31, 2019

  1. [DAGCombiner] Don't create illegal narrow stores 

    Narrowing stores when the target doesn't support the narrow version
forces the target to expand into a load-modify-store sequence, which
is highly suboptimal. The information narrowing throws away (legality
of the inverse transform) is hard to re-analyze. If the target doesn't
support a store of the narrow type, don't narrow even in pre-legalize
mode.

No test as this is DAGCombiner and depends on target bits.

llvm-svn: 370576
    James Molloy committed Aug 31, 2019
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  2. [llvm-objcopy] Simplify alignToAddr with llvm::alignTo 

    llvm-svn: 370577
    @MaskRay
    MaskRay committed Aug 31, 2019
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