[clang] [CIR] Maximum across vector (IEEE754) (PR #199779)

[Kartik Ohlan via cfe-commits]

Ko496-glitch wrote:

@banach-space  looks like during conflict my change is spitting ```
return emitNeonCall(cgf.cgm, cgf.getBuilder(),
                        {cgf.convertType(expr->getArg(0)->getType())}, ops,
                        llvmIntrName, cgf.convertType(expr->getType()), loc);
```
which should be removed after #https://github.com/llvm/llvm-project/pull/196776 landed ? 

https://github.com/llvm/llvm-project/pull/199779