[llvm] [InstCombine] Optimise x / sqrt(y / z) with fast-math pattern. (PR #76737)

[Zain Jaffal via llvm-commits]

================
@@ -0,0 +1,175 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -passes=instcombine < %s | FileCheck %s
+
+declare double @llvm.sqrt.f64(double)
----------------
zjaffal wrote:

In a separate PR?

https://github.com/llvm/llvm-project/pull/76737