[PATCH] D87748: [AMDGPU] Consider all SGPR uses as unique in constant bus verify

Matt Arsenault via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 23 05:48:54 PDT 2020


arsenm added inline comments.


================
Comment at: llvm/test/CodeGen/AMDGPU/verify-constant-bus-violations.mir:16
+
+# GFX10-ERR: *** Bad machine code: VOP* instruction violates constant bus restriction ***
+# GFX10-ERR: $vgpr0 = V_CNDMASK_B32_e64 0, $sgpr0, 0, $sgpr2, killed $sgpr0_sgpr1, implicit $exec
----------------
critson wrote:
> arsenm wrote:
> > This error should also be hit for gfx9
> It does, but compiler dies on first violation.
> I can break this test into two files if you want me to check it?
I forgot about that problem. It's probably not worth splitting it


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https://reviews.llvm.org/D87748



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