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Re: live insns deleted by delete_trivially_dead_insns()
Paolo Bonzini wrote:
Even if CONST_OR_PURE_CALL_P is set to 1??? :-(
I don't know, but in any case __tls_get_addr is neither pure nor const
rs6000 says it is, I should try doing the same for x86-64 and see what
happens.
See the patches I've posted; with those I can remove
maybe_encapsulate_block from emit_libcall_block and still get your
testcase optimized. One would need to perform more testing of course,
but it's a good start.
However, there is another prerequisite for removing libcall notes, which
is no-conflict notes. Until Ian completes his reload-fu exercise, I
guess we cannot remove the ~1000 lines that deal with libcall notes.
Paolo