Keep obj node for struct ArrayIndex. #54584
Merged
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That was the last IND node on the LHS of a struct assignment without structHandle/known size.
There are small regressions because we now create
NULLCHECKnodes where before we were keepingADDR(INDthat rationalizer was destroying.Edited: The diffs are small and they are minopts only (don't create INDEX_ADDR in other cases, thanks @erozenfeld). The issue is similar to #44087 but because it minopts we won't delete the extra node even when the issue is fixed.
***** BB05 STMT00003 (IL 0x00E... ???) [000016] ---XG+------ * COMMA void - [000013] ---XG+------ +--* ADDR byref - [000012] a--XG+-N---- | \--* IND struct + [000014] ---XG+------ +--* NULLCHECK int [000029] ---XG+------ | \--* INDEX_ADDR byref [000010] -----+------ | +--* LCL_VAR ref V03 tmp1 [000011] -----+------ | \--* CNS_INT int 1 [000015] -----+------ \--* NOP void lea rax, bword ptr [rax+8*rcx+16] +cmp dword ptr [rax], eax mov rax, gword ptr [V01 rbp-08H]