[PATCH] D86841: [clang] Add mustprogress and llvm.loop.mustprogress attribute deduction
Johannes Doerfert via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Sep 28 13:32:00 PDT 2020
jdoerfert added inline comments.
================
Comment at: clang/test/CodeGen/attr-mustprogress-1.cpp:24
+ }
+}
+
----------------
Now here, and below with `while(1)` I would *not* expect `mustprogress`.
================
Comment at: clang/test/CodeGen/attr-mustprogress-1.cpp:185
+ do {
+ } while (a == b);
+}
----------------
Here I would not expect the function attr but the metadata on the second loop. I guess we might want to add the metadata always for loops w/o a constant condition especially because the order of the two loops might be swapped (please add a test).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D86841/new/
https://reviews.llvm.org/D86841
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