[PATCH] D100470: [LICM][NFC] Fix typo
Marcythm via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 14 17:05:08 PDT 2021
Marcythm added inline comments.
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Comment at: llvm/lib/Transforms/Scalar/LICM.cpp:561
- // If the instruction is dead, we would try to sink it because it isn't
+ // If the instruction is dead, we wouldn't try to sink it because it isn't
// used in the loop, instead, just delete it.
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nikic wrote:
> Marcythm wrote:
> > I'm not sure if this is right, but I think it should be closer to what the author wants to express.
> I don't think the new wording is right: What this is saying is that without this check, the instruction would be sunk, which is legal but pointless. Instead it is completely removed here.
Oh sorry, I read it again and think you are right. Since I’m not a native English speaker, I have some misunderstandings about the comments. Sorry again.
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Comment at: llvm/lib/Transforms/Scalar/LICM.cpp:1352
if (auto *LI = dyn_cast<LoadInst>(MD->getMemoryInst())) {
- (void)LI; // Silence warning.
assert(!LI->isUnordered() && "Expected unordered load");
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asbirlea wrote:
> Why is this removed?
I think that the variable `LI` is used in the following assertion so there won't be an unused-variable warning.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D100470/new/
https://reviews.llvm.org/D100470
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