[llvm] [AMDGPU] Fix .Lfunc_end label placement (PR #127549)

[Stanislav Mekhanoshin via llvm-commits]

rampitec wrote:

> That said, I am not sure, but I'd expect this .size to constant fold. When I moved it in the same section it must constant evaluate. So all the other uses of it must eventually properly accept MCExpr and eventually constant evaluate too, including CodeSize comment too.

Heh. Unfortunately not. As a relocatable this expression is deffered until linking. Which is pretty dumb.

https://github.com/llvm/llvm-project/pull/127549