[PATCH] D66324: clang-misexpect: Profile Guided Validation of Performance Annotations in LLVM
Paul Kirth via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 26 17:32:11 PDT 2019
paulkirth marked 5 inline comments as done.
paulkirth added inline comments.
================
Comment at: llvm/lib/Transforms/Utils/MisExpect.cpp:108
+ auto *L = mdconst::dyn_extract<ConstantInt>(MisExpectData->getOperand(2));
+ auto *U = mdconst::dyn_extract<ConstantInt>(MisExpectData->getOperand(3));
+
----------------
nickdesaulniers wrote:
> What's C, L, and U?
These are the constant integers for:
C = Index into the branch weight vector
L = likely branch weight
U = unlikely branch weight
The patch renames these to be a bit more transparent.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D66324/new/
https://reviews.llvm.org/D66324
More information about the llvm-commits
mailing list