Ignored vs Assumed Semantics in BDE

BloombergLP::s_baltst::MySequenceWithChoiceChoice::makeChoiceA() - Ignored

00000000004b6870 <BloombergLP::s_baltst::MySequenceWithChoiceChoice::makeChoiceA()>:
M0000000000000000:	movq	%rdi, %rax	;  3 bytes
M0000000000000003:	cmpl	$0, 4(%rdi)	;  4 bytes
M0000000000000007:	movl	$0, (%rdi)	;  6 bytes
M000000000000000d:	je	0x4b6886 <BloombergLP::s_baltst::MySequenceWithChoiceChoice::makeChoiceA()+0x16>	;  2 bytes
M000000000000000f:	movl	$0, 4(%rax)	;  7 bytes
M0000000000000016:	retq		;  1 bytes
M0000000000000017:	nopw	(%rax,%rax)	;  9 bytes