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

[Matt Arsenault via llvm-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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arsenm wrote:

It shouldn't be necessary to touch the attributes. The set of intrinsic attributes are fixed (callsite attributes are another thing, but generally should be droppable here) 

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