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[mlir][gpu] Handle async in gpu.launch_func lowering.

Authored by csigg on Oct 29 2020, 9:58 AM.

Description

[mlir][gpu] Handle async in gpu.launch_func lowering.

For the synchronous case, destroy the stream after synchronization.

Sneak in a unrelated change to report why the gpu.wait conversion pattern didn't match.

Reviewed By: herhut

Differential Revision: https://reviews.llvm.org/D89933

Details

Committed
csiggOct 29 2020, 2:16 PM
Reviewer
herhut
Differential Revision
D89933: [mlir][gpu] Handle async in gpu.launch_func lowering.
Parents
rG6c2ad4cf8758: [SDAG] Extract helper to determine neutral element (NFC)
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