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
Previously, we clobbered callee-saved registers when folding an "add sp, #N" into a "pop {rD, ...}" instruction. This change checks whether a register we're going to add to the "pop" could actually be live outside the function before doing so and should fix the issue. This should fix PR18081. llvm-svn: 196046
Description
llvm with tablegen backend for capstone disassembler
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