[llvm] [SPIRV] Added Support for the constrained conversion intrinsics (PR #157437)

[Subash B via llvm-commits]

================
@@ -0,0 +1,41 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
----------------
SubashBoopathi wrote:

Gentle reminder @arsenm  any updates on this PR?

https://github.com/llvm/llvm-project/pull/157437