Matt Arsenault ee6d5d1c9e DAGCombiner: Assume invariant load cannot alias a store
The motivation is to allow GatherAllAliases / FindBetterChain
to not give up on dependent loads of a pointer from constant memory.

This is important for AMDGPU, because most loads are pointers
derived from a load of a kernel argument from constant memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241948 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-10 22:17:40 +00:00
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2015-07-10 07:15:17 +00:00
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