[clang] b670ab7 - recommit 1b978ddba05c [CUDA][HIP][OpenMP] Emit deferred diagnostics by a post-parsing AST travese

[Liu, Yaxun (Sam) via cfe-commits]

[AMD Official Use Only - Internal Distribution Only]

The issue is addressed by https://reviews.llvm.org/D77028

Sam

-----Original Message-----
From: Joerg Sonnenberger <joerg at bec.de>
Sent: Sunday, April 5, 2020 9:48 AM
To: Liu, Yaxun (Sam) <Yaxun.Liu at amd.com>; Yaxun Liu <llvmlistbot at llvm.org>
Cc: cfe-commits at lists.llvm.org
Subject: Re: [clang] b670ab7 - recommit 1b978ddba05c [CUDA][HIP][OpenMP] Emit deferred diagnostics by a post-parsing AST travese

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On Mon, Mar 23, 2020 at 09:09:31AM -0700, Yaxun Liu via cfe-commits wrote:
>
> Author: Yaxun (Sam) Liu
> Date: 2020-03-23T12:09:07-04:00
> New Revision: b670ab7b6b3d2f26179213be1da1d4ba376f50a3
>
> URL: 
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> LOG: recommit 1b978ddba05c [CUDA][HIP][OpenMP] Emit deferred 
> diagnostics by a post-parsing AST travese

This change is responsible for a significant performance regression.
Somewhat reduced example is attached. With -fopenmp, it needs ~5s, without 0.02s.

Joerg