shivaramaarao wrote:
These cmov instructions load the operand irrespective of condition
satisfaction.
=> cmpq $4, %rax
=> cmovnsq 24(%r11), %r9
here r11 is 0 and 24(0) will be loaded even if argc < 4 and hence we get
this crash. if we pass the address of argv, we will get a valid address to load.
I think we need to add a check for argc <=0 in this function. But, there may
be performance implications with this extra check.
https://github.com/llvm/llvm-project/pull/76122
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
