[PATCH] D57265: [PM/CC1] Add -f[no-]split-cold-code CC1 options to toggle splitting

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 192210.
vsk edited the summary of this revision.
vsk added a comment.
Herald added subscribers: jdoerfert, dexonsmith, steven_wu, eraman.

Use a function attribute to implement the -fsplit-cold-code option. This removes some complexity from the old/new PMs and ensures consistent behavior when LTO is enabled.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57265/new/

https://reviews.llvm.org/D57265

Files:
  clang/include/clang/Basic/CodeGenOptions.def
  clang/include/clang/Basic/DiagnosticFrontendKinds.td
  clang/include/clang/Driver/CC1Options.td
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/split-cold-code.c
  clang/test/Frontend/split-cold-code.c
  llvm/include/llvm/Transforms/IPO/HotColdSplitting.h
  llvm/lib/Passes/PassBuilder.cpp
  llvm/lib/Transforms/IPO/HotColdSplitting.cpp
  llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
  llvm/test/Other/X86/lto-hot-cold-split.ll
  llvm/test/Other/new-pm-defaults.ll
  llvm/test/Other/new-pm-lto-defaults.ll
  llvm/test/Other/new-pm-pgo.ll
  llvm/test/Other/new-pm-thinlto-defaults.ll
  llvm/test/Other/opt-O2-pipeline.ll
  llvm/test/Other/opt-O3-pipeline.ll
  llvm/test/Other/opt-Os-pipeline.ll
  llvm/test/Other/opt-hot-cold-split.ll
  llvm/test/Other/pass-pipelines.ll
  llvm/test/Transforms/CodeExtractor/extract-assume.ll
  llvm/test/Transforms/HotColdSplit/X86/do-not-split.ll
  llvm/test/Transforms/HotColdSplit/addr-taken.ll
  llvm/test/Transforms/HotColdSplit/apply-noreturn-bonus.ll
  llvm/test/Transforms/HotColdSplit/apply-penalty-for-inputs.ll
  llvm/test/Transforms/HotColdSplit/apply-penalty-for-outputs.ll
  llvm/test/Transforms/HotColdSplit/apply-successor-penalty.ll
  llvm/test/Transforms/HotColdSplit/coldentrycount.ll
  llvm/test/Transforms/HotColdSplit/delete-use-without-def-dbg-val.ll
  llvm/test/Transforms/HotColdSplit/duplicate-phi-preds-crash.ll
  llvm/test/Transforms/HotColdSplit/eh-pads.ll
  llvm/test/Transforms/HotColdSplit/eh-typeid-for.ll
  llvm/test/Transforms/HotColdSplit/forward-dfs-reaches-marked-block.ll
  llvm/test/Transforms/HotColdSplit/lifetime-markers-on-inputs-1.ll
  llvm/test/Transforms/HotColdSplit/lifetime-markers-on-inputs-2.ll
  llvm/test/Transforms/HotColdSplit/mark-the-whole-func-cold.ll
  llvm/test/Transforms/HotColdSplit/minsize.ll
  llvm/test/Transforms/HotColdSplit/multiple-exits.ll
  llvm/test/Transforms/HotColdSplit/noreturn.ll
  llvm/test/Transforms/HotColdSplit/outline-cold-asm.ll
  llvm/test/Transforms/HotColdSplit/outline-disjoint-diamonds.ll
  llvm/test/Transforms/HotColdSplit/outline-if-then-else.ll
  llvm/test/Transforms/HotColdSplit/outline-multiple-entry-region.ll
  llvm/test/Transforms/HotColdSplit/outline-while-loop.ll
  llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll
  llvm/test/Transforms/HotColdSplit/region-overlap.ll
  llvm/test/Transforms/HotColdSplit/resume.ll
  llvm/test/Transforms/HotColdSplit/split-cold-2.ll
  llvm/test/Transforms/HotColdSplit/split-out-dbg-val-of-arg.ll
  llvm/test/Transforms/HotColdSplit/split-phis-in-exit-blocks.ll
  llvm/test/Transforms/HotColdSplit/succ-block-with-self-edge.ll
  llvm/test/Transforms/HotColdSplit/swifterror.ll
  llvm/test/Transforms/HotColdSplit/unwind.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D57265.192210.patch
Type: text/x-patch
Size: 50577 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20190325/bbabdf19/attachment-0001.bin>