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

[Andrzej Warzyński via cfe-commits]

================
@@ -24,6 +24,40 @@
 
 #include <arm_neon.h>
 
+//===------------------------------------------------------===//
+// 2.1.1.13.5  Maximum across vector (IEEE754)
----------------
banach-space wrote:

[nit]
```suggestion
// 2.1.1.13.5  Maximum across vector (IEEE754)
// https://arm-software.github.io/acle/neon_intrinsics/advsimd.html#maximum-across-vector-ieee754
```

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