compiler construction - Export C/C++ switch/case jump table information -


in c/c++ on x86-64, if switch/case statement relatively large (more 3 or 4 entries), jump table generated llvm, instead of conditional jump instructions.

in clang/llvm, how export these tables' base, index, , scale information? program source code available.

for example, jmpq *0x400000(,%rbx,8),

how export base 0x400000, index value compared value in %rbx, , scale 8?


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