https://bugs.llvm.org/show_bug.cgi?id=40388
Bug ID: 40388
Summary: Fix the pointer register class used by LDWRdPtr from
PTRREGS to PTRDISPREGS
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AVR
Assignee: unassignedb...@nondot.org
Reporter: m...@dylanmckay.io
CC: llvm-bugs@lists.llvm.org
LDWRdPtr expands to LDDRdPtrQ, which requires a PTRDISPREGS class. This means
that if the X register is ever allocated, the LDDRdPtrQ will be an illegal
instruction and will hit an assertion error at machine code generation time.
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