[llvm] [RISC-V][GISEL] Select G_BITCAST for scalable vectors (PR #101486)

[Craig Topper via llvm-commits]

topperc wrote:

> > I am looking into why this is failing for rv64.
> 
> It's failing because only the RV32 pattern exists in lib/Target/RISCV/RISCVGenGlobalISel.inc

Should be fixed after 9d3a57633ebb8251d2575696dfe53c67d3a47d33

https://github.com/llvm/llvm-project/pull/101486