[PATCH] D119777: [X86] Introduce x86-cmov-converter-force-all

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 15 14:04:34 PST 2022


craig.topper added a comment.

In D119777#3324438 <https://reviews.llvm.org/D119777#3324438>, @Amir wrote:

> In D119777#3322778 <https://reviews.llvm.org/D119777#3322778>, @pengfei wrote:
>
>> In D119777#3322012 <https://reviews.llvm.org/D119777#3322012>, @skan wrote:
>>
>>> Could you point out the document for `-fno-if-conversion2`?
>>
>> It guess it's in https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
>
> Yes, it's there, as `-fif-conversion2`

The description for -fif-conversion2 reads as if it is enabling an optimization pass and that -fno-if-conversion2 just doesn't run that optimization pass. It doesn't read like -fno-if-conversion2 would expand cmovs. Is my understanding correct?


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