[llvm] [AMDGPU] Add a trap lowering workaround for gfx11 (PR #85854)
Scott Linder via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 21 12:04:57 PDT 2024
================
@@ -443,6 +443,8 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
return isAmdHsaOS() ? TrapHandlerAbi::AMDHSA : TrapHandlerAbi::NONE;
}
+ bool requiresSimulatedTrap() const { return getGeneration() == GFX11; }
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slinder1 wrote:
I'm not sure this is precise enough, see https://lists.freedesktop.org/archives/amd-gfx/2023-July/095828.html where kfd narrowed the workaround to only apply up to a minor HW version
https://github.com/llvm/llvm-project/pull/85854
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