Hongtao Yu 964ef8eecc [lld] Support --lto-emit-asm and --plugin-opt=emit-asm ...

Summary: The switch --plugin-opt=emit-asm can be used with the gold linker to dump the final assembly code generated by LTO in a user-friendly way. Unfortunately it doesn't work with lld. I'm hooking it up with lld. With that switch, lld emits assembly code into the output file (specified by -o) and if there are multiple input files, each of their assembly code will be emitted into a separate file named by suffixing the output file name with a unique number, respectively. The linking then stops after generating those assembly files.

Reviewers: espindola, wenlei, tejohnson, MaskRay, grimar

Reviewed By: tejohnson, MaskRay, grimar

Subscribers: pcc, emaste, inglorion, arichardson, hiraditya, MaskRay, steven_wu, dexonsmith, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77231

2020-04-27 11:00:46 -07:00

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