| Bug ID | 95438 |
|---|---|
| Summary | Elemental demo compute shader takes ages to compile |
| Product | Mesa |
| Version | git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | airlied@freedesktop.org |
| QA Contact | dri-devel@lists.freedesktop.org |
Created attachment 123804 [details]
compute shader and GLSL/TGSI/llvm IR.
After fixing the two GLSL bugs, I hit a case where one of the compute shaders
in
ElementalDemo takes a long long time to compile and consumes a lot of memory
doing so.
#0 llvm::SUnit::addPred (this=this@entry=0x7fa8da02fae0, D=...,
Required=Required@entry=true)
at /home/airlied/devel/llvm/lib/CodeGen/ScheduleDAG.cpp:67
#1 0x00007fa92c946d2d in llvm::ScheduleDAGInstrs::addPhysRegDataDeps
(this=this@entry=0x7fa9248d3840, SU=SU@entry=0x7fa8d9833c40,
OperIdx=OperIdx@entry=8) at
/home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:318
#2 0x00007fa92c947198 in llvm::ScheduleDAGInstrs::addPhysRegDeps
(this=this@entry=0x7fa9248d3840, SU=SU@entry=0x7fa8d9833c40,
OperIdx=OperIdx@entry=8) at
/home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:370
#3 0x00007fa92c94fd1e in llvm::ScheduleDAGInstrs::buildSchedGraph
(this=this@entry=0x7fa9248d3840, AA=0x7fa8e2e55b10,
RPTracker=RPTracker@entry=0x0, PDiffs=PDiffs@entry=0x0, LIS=LIS@entry=0x0,
TrackLaneMasks=TrackLaneMasks@entry=false)
at /home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:959
#4 0x00007fa92c8ff02b in (anonymous namespace)::SchedulePostRATDList::schedule
(this=this@entry=0x7fa9248d3840)
at /home/airlied/devel/llvm/lib/CodeGen/PostRASchedulerList.cpp:391
#5 0x00007fa92c8ffbbe in (anonymous
namespace)::PostRAScheduler::runOnMachineFunction (this=0x7fa8e284a500, Fn=...)
at /home/airlied/devel/llvm/lib/CodeGen/PostRASchedulerList.cpp:360
#6 0x00007fa92c880721 in llvm::MachineFunctionPass::runOnFunction
(this=0x7fa8e284a500, F=...)
at /home/airlied/devel/llvm/lib/CodeGen/MachineFunctionPass.cpp:60
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