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Commit 2ce35b60 authored by Yaxun Liu's avatar Yaxun Liu
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CodeGen: Fix address space of global variable 

Certain targets (e.g. amdgcn) require global variable to stay in global or constant address
space. In C or C++ global variables are emitted in the default (generic) address space.
This patch introduces virtual functions TargetCodeGenInfo::getGlobalVarAddressSpace
and TargetInfo::getConstantAddressSpace to handle this in a general approach.

It only affects IR generated for amdgcn target.

Differential Revision: https://reviews.llvm.org/D33842


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307470 91177308-0d34-0410-b5e6-96231b3b80d8
parent e1e45e87
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