diff options
| author | Rui Ueyama <ruiu@google.com> | 2017-10-22 23:02:07 +0000 |
|---|---|---|
| committer | Rui Ueyama <ruiu@google.com> | 2017-10-22 23:02:07 +0000 |
| commit | d96724db42c04af11d0ff1f8a57d36cb8284752b (patch) | |
| tree | 475ac159f2f2a5660d8978e49b4f07ab4288695f /llvm/lib/Target/MSP430/MSP430MCInstLower.cpp | |
| parent | 39ff4010261d4a989a2c18612c5b99845e1f1923 (diff) | |
| download | bcm5719-llvm-d96724db42c04af11d0ff1f8a57d36cb8284752b.tar.gz bcm5719-llvm-d96724db42c04af11d0ff1f8a57d36cb8284752b.zip | |
Remove a fast lookup table from MergeInputSection.
We used to have a map from section piece offsets to section pieces
as a cache for binary search. But I found that the map took quite a
large amount of memory and didn't make linking faster. So, in this
patch, I removed the map.
This patch saves 566 MiB of RAM (2.019 GiB -> 1.453 GiB) when linking
clang with debug info, and the link time is 4% faster in that test case.
Thanks for Sean Silva for pointing this out.
llvm-svn: 316305
Diffstat (limited to 'llvm/lib/Target/MSP430/MSP430MCInstLower.cpp')
0 files changed, 0 insertions, 0 deletions
