[Bug 90887] PhiMovesPass in register allocator broken - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 90887] PhiMovesPass in register allocator broken
Date: Wed, 17 Jun 2015 14:06:27 +0000	[thread overview]
Message-ID: <bug-90887-8800-8qGAul35A0@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-90887-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=90887

--- Comment #6 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
So... I looked at this closer and from the *looks* of it, the current code is
correct. It fixes up all the phi nodes in bb, which is the block whose inbound
edges got all messed up.

I will analyze your sample shader in more detail, hopefully it will become
apparent to me why the current logic fails, despite *looking* right :)

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