[llvm-bugs] [Bug 33159] New: Assertion since [AMDGPU] Fix incorrect register pressure calculation
llvm-bugs at lists.llvm.org
Wed May 24 13:54:34 PDT 2017
Bug ID: 33159
Summary: Assertion since [AMDGPU] Fix incorrect register
Component: Backend: AMDGPU
Assignee: unassignedbugs at nondot.org
Reporter: adf.lists at gmail.com
CC: llvm-bugs at lists.llvm.org
Testing with r9285 Tonga since
Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
Date: Thu May 11 17:16:55 2017 +0000
[AMDGPU] Fix incorrect register pressure calculation
Earlier fix D32572 introduced a bug where live-ins were calculated
for basic block instead of scheduling region. This change fixes it.
Differential Revision: https://reviews.llvm.org/D33086
I get an assertion with Unreal Tournament alpha.
The game loads and some tutorials work, but since above the death match
tutorial bails. It was never perfect (some scenery sometimes rendered black) -
but it was mostly OK - it is an alpha game.
UE4-Linux-Shipping: /mnt/sdb1/Gits/llvm/lib/CodeGen/LiveRangeEdit.cpp:258: void
llvm::LiveRangeEdit::ToShrinkSet&, llvm::AliasAnalysis*): Assertion
`MI->allDefsAreDead() && "Def isn't really dead"' failed.
Signal 6 caught.
Attached output assert with R600_DEBUG=vs,ps,fs bz2
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