[clang] [llvm] Implement operand bundles for floating-point operations (PR #109798)

[Serge Pavlov via cfe-commits]

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@@ -357,6 +357,9 @@ class IRBuilderBase {
 
   void setConstrainedFPCallAttr(CallBase *I) {
     I->addFnAttr(Attribute::StrictFP);
+    MemoryEffects ME = MemoryEffects::inaccessibleMemOnly();
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spavloff wrote:

If a constrained intrinsic like `experimental_constrained_sqrt` is used, its memory effect is taken from the intrinsic properties. If `sqrt` is used with bundle operands, the memory effect must be set explicitly.

https://github.com/llvm/llvm-project/pull/109798