Mats Petersson e5f1639342 [Flang]Fix for changed code at the end of AllocaIP. (#92430) ...

Some of the OpenMP code can change the instruction pointed at by the
insertion point. This leads to an assert in the compiler about
BB->getParent() and IP->getParent() not matching.

The fix is to rebuild the insertionpoint from the block, rather than use
builder.restoreIP.

Also, move some of the alloca generation, rather than skipping back and
forth between insert points (and ensure all the allocas are done before
their users are created).

A simple test, mainly to ensure the minimal reproducer doesn't fail to
compile in the future is also added.

2024-06-18 21:10:41 +01:00

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