llvm

80633306 - [RISCV] Guard the alternative static chain register use on ILP32E/LP64E (#142715)

[RISCV] Guard the alternative static chain register use on ILP32E/LP64E (#142715) Asserts the use of t3(x28) as the static chain register when branch control flow protection is enabled with ILP32E/LP64E, because such register is not present within the ABI.