[llvm] [LangRef] Fix language around strictfp semantics (PR #213879)

[Ömer Sinan Ağacan via llvm-commits]

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@@ -2801,7 +2801,8 @@ fn -> other_fn -> other_fn ; fn is norecurse
     mode or that might alter the state of floating-point status flags that
     might otherwise be set or cleared by calling this function. LLVM will
     not introduce any new floating-point instructions that may trap. All
-    function definitions that contain strictfp calls must be marked strictfp.
+    function definitions that contain calls marked with the strictfp
+    attribute must be marked strictfp.
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osa1 wrote:

I feel like we're confusing function and intrinsics here.

You can call `strictfp` functions from non-`strictfp` functions.

You can't call **constrained fp intrinsics** from non-`strictfp` functions.

If we just revert to the previous langref I think it was quite clear.

https://github.com/llvm/llvm-project/pull/213879