https://llvm.org/bugs/show_bug.cgi?id=23720
Bug ID: 23720
Summary: MachineInstr verification error with sub-reg liveness
enabled in R600 backend
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Register Allocator
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 14413
--> https://llvm.org/bugs/attachment.cgi?id=14413&action=edit
Reduced test case
This bug can be reproduced by applying the attached patch to enable sub-reg
liveness and running the attached test case with llc:
./llc -verify-machineinstrs -march=amdgcn r600-sub-reg-liveness-crash.ll -o -
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