[Hexagon] Do not merge initializers for stack and non-stack expressions

Stack addressing needs addressing modes that provide an offset field
immediately following the frame index. An initializer from a non-stack
addressing could force the stack address to use a form that does not
provide an offset field.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330191 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed