[llvm-dev] [cfe-dev] How to debug if LTO generate wrong code?

Joerg Sonnenberger via llvm-dev llvm-dev at lists.llvm.org
Sun May 29 17:27:15 PDT 2016

On Mon, May 30, 2016 at 12:10:09AM +0000, Shi, Steven via cfe-dev wrote:
> I'm a bit surprised if both OS X ld64 and gold plugin do not support
> large code model in LTO. Since modern system widely use the 64bit, the
> code need to run in high address (larger than 2 GB) is a reasonable requirement.

Actually, given that PIC is (almost) free in terms of codegen, there is
rarely a need for the large model on AMD64. Programs with more than 2GB
of static data are moderately rare and programs with more than 2GB of
text even more so.


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