[PATCH] D102937: [lld][WebAssembly] Fix for PIC output + TLS + non-shared-memory

Fri May 21 11:49:37 PDT 2021

sbc100 added a comment.

In D102937#2774353 <https://reviews.llvm.org/D102937#2774353>, @dschuff wrote:

> Does avoiding combing data segments in shared-memory mode mean that there will have to be a lot more passive segment initializations run at load time, instead of just one before?

Not really.. most programs only have `.data` and `.rodata` and so they are mostly combined already.  The normal merging of `.data.*` etc is still performed either way.  That is controlled by `--no-/merge-data-segments` which is on by default.   This second level of merging was never about performance and we would not have it all if we could do arithmetic in the const exprs that place the segments.

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  https://reviews.llvm.org/D102937/new/

https://reviews.llvm.org/D102937