[llvm] Edit Semantics Description of `@llvm.is.constant.*` (PR #77519)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Nic (NCGThompson)

<details>
<summary>Changes</summary>

Fixes #<!-- -->77517 

I edited it from browser and didn't run any checks due to the triviality of the change.

---
Full diff: https://github.com/llvm/llvm-project/pull/77519.diff


1 Files Affected:

- (modified) llvm/docs/LangRef.rst (-3) 


``````````diff
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index c90b6becae5254..a16899205b22e5 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -27220,9 +27220,6 @@ obviously not constant. However, a call like
 function is inlined, if the value passed to the function parameter was
 a constant.
 
-On the other hand, if constant folding is not run, it will never
-evaluate to true, even in simple cases.
-
 .. _int_ptrmask:
 
 '``llvm.ptrmask``' Intrinsic

``````````

</details>


https://github.com/llvm/llvm-project/pull/77519