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multiple_connected_components_dead
2019 Sep 09
2
LiveInterval error with 2 dead defs
Hi,
I’m hitting a machine verifier error in a trivial testcase which I don’t understand. There are 2 dead defs of the same register:
---
name: multiple_connected_compnents_dead
tracksRegLiveness: true
body: |
bb.0:
dead %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
dead %0:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
...
The live intervals look OK to me with 1 valno per instruction, for the life of the instruction like I would expect. The verifier does...
2019 Oct 07
2
LiveInterval error with 2 dead defs
...-Quentin
On Sep 9, 2019, at 3:36 PM, Arsenault, Matthew <Matthew.Arsenault at amd.com<mailto:Matthew.Arsenault at amd.com>> wrote:
Hi,
I’m hitting a machine verifier error in a trivial testcase which I don’t understand. There are 2 dead defs of the same register:
---
name: multiple_connected_compnents_dead
tracksRegLiveness: true
body: |
bb.0:
dead %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
dead %0:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
...
The live intervals look OK to me with 1 valno per instruction, for the life of the instruction like I would expect. The verifier does...