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addinlineasmoperands
2007 Aug 10
1
[LLVMdev] inline assembly
...aints
accordingly.
i've seen the operand flags of the inline assembly SDNode and the
machine instructions. but it seems that there is no difference between
input and output operands for memory constraints. can somebody confirm
this?
i could not find documentation on these flags, following the
AddInlineAsmOperands it seems to be something like: 'Code | (Size << 3)'
with Code on of these values:
1 REGUSE
2 REGDEF
3 IMM
4 MEM/ADDR
are there any other values? and would it be safe to change 4 to MEMUSE
and add 5 (MEMDEF)? i do not know where these values are used (except
for the ISelDAG and the...