[clang] [llvm] [IR] Don't set strictfp on irrelevant calls (PR #122735)

[Eli Friedman via llvm-commits]

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@@ -66,6 +66,12 @@ bool IntrinsicInst::mayLowerToFunctionCall(Intrinsic::ID IID) {
   }
 }
 
+bool IntrinsicInst::canAccessFPEnvironment(LLVMContext &C, Intrinsic::ID IID) {
+  AttributeList Attrs = Intrinsic::getAttributes(C, IID);
+  MemoryEffects ME = Attrs.getMemoryEffects();
+  return ME.onlyAccessesInaccessibleMem();
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efriedma-quic wrote:

I think you want doesAccessInaccessibleMem() (any function that can access inaccessible memory, not just functions which only access inaccessible memory). Which apparently doesn't exist at the moment, but should be straightforward to implement.

https://github.com/llvm/llvm-project/pull/122735