[llvm-bugs] [Bug 31341] New: Bad machine code: Using an undefined physical register

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31341

            Bug ID: 31341
           Summary: Bad machine code: Using an undefined physical register
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AVR
          Assignee: unassignedbugs at nondot.org
          Reporter: dylanmckay34 at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

llc
~/projects/llvm-project/llvm/test/CodeGen/Generic/2003-07-29-BadConstSbyte.ll
-o /dev/null 2>&1


# In Register Scavenger
# Machine code for function main: NoPHIs, TracksLiveness, NoVRegs


*** Bad machine code: Using an undefined physical register ***
- function:    main
- basic block: BB#3 loopentry (0x7fdca185bc18)
- instruction: CPIRdK
- operand 3:   %SREG<imp-use,kill>
LLVM ERROR: Found 1 machine code errors.

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