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371216
2020 Nov 18
1
LTO with Linker Scripts
...where Linker
>> Scripts are used to control ELF image layout.
I agree that the bitcode files need to convey the input section names
for functions/variables and the linker needs to tell LTO about output
section names. I have an ICF change which is similar in concept:
https://reviews.llvm.org/rL371216
.rom : { rom.o(.text) }
.text : { *(.text .text1) *(.text.*) }
// *(.text .text1) and *(.text.*) are called input section descriptions
What is unclear to me is whether the relevant optimization (inlining,
constant merging, outlining, etc) should be isolated within an output
section, or w...
2020 Nov 18
2
LTO with Linker Scripts
Hello All,
I'd like to pick up on an RFC about "(Thin)LTO with Linker Scripts" proposed by Tobias von Koch (http://lists.llvm.org/pipermail/llvm-dev/2018-May/123252.html) a couple years back.
Has this work been upstreamed or implemented in any toolchains?
We're looking at bringing LTO support to our TI Arm Clang Compiler tools and would appreciate any information about similar