[PATCH] D71475: [WIP][OPENMP] Try to fix linear clause crash by emitting alloca for step

Chi Chun Chen via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Dec 13 14:51:20 PST 2019


cchen marked an inline comment as done.
cchen added a comment.

In D71475#1784284 <https://reviews.llvm.org/D71475#1784284>, @jdoerfert wrote:

> What is the output when you run the example with `k` in `lastprivate` or `reduction`?


I actually got the same result (return value) changing from firstprivate to lastprivate. Not so sure how to make linear work with reduction.

> In D71475#1784173 <https://reviews.llvm.org/D71475#1784173>, @cchen wrote:
> 
>> Doing this still fail the assertion since we still don't have the variable inside
>>  CapturedStmt.
> 
> 
> So we need to mark it as captured as well.

I've tried to use the `buildCapture` function before, but seems not work for me, can you point out where to look at in the source code? Thanks



================
Comment at: clang/lib/Sema/SemaOpenMP.cpp:4512
       }
     }
     int ClauseKindCnt = -1;
----------------
jdoerfert wrote:
> Is this "ErrorFound" here set when you run the example?
ErrorFound does not set. The firstprivate node is correctly set by checking ast-dump


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