[llvm-dev] [RFC] BasicAA considers address spaces?

Matt Arsenault via llvm-dev llvm-dev at lists.llvm.org
Fri Aug 7 18:21:27 PDT 2015

On 08/07/2015 06:13 PM, Hal Finkel wrote:
> But you seem to be implying that you'll use different address spaces 
> at the IR level, but that these address spaces will be changed prior 
> to the target seeing them? Or that the target will internally map them 
> all to address space 0 (instead of aborting). If the target knows to 
> do this mapping, it can also understand the aliasing, no?

clang performs the mapping from source address space to target address 
space. See AddrSpaceMap in clang's TargetInfo

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