[llvm] [LVI] Remove unused get of Range metadata. (PR #94914)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-analysis

Author: Andreas Jonson (andjo403)

<details>
<summary>Changes</summary>

There is no test for this code and it also do not change the result of https://github.com/dtcxzyw/llvm-opt-benchmark when I run it locally. 
I have not been able to make a test for this and do not know how to handle the range attribute for this so maybe it shall be removed?

CC @<!-- -->nikic 

---
Full diff: https://github.com/llvm/llvm-project/pull/94914.diff


1 Files Affected:

- (modified) llvm/lib/Analysis/LazyValueInfo.cpp (-3) 


``````````diff
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 6cded828c25f4..8b6e56ce8113d 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -1116,9 +1116,6 @@ LazyValueInfoImpl::getValueFromSimpleICmpCondition(CmpInst::Predicate Pred,
     if (!R)
       return std::nullopt;
     RHSRange = toConstantRange(*R, RHS->getType());
-  } else if (Instruction *I = dyn_cast<Instruction>(RHS)) {
-    if (auto *Ranges = I->getMetadata(LLVMContext::MD_range))
-      RHSRange = getConstantRangeFromMetadata(*Ranges);
   }
 
   ConstantRange TrueValues =

``````````

</details>


https://github.com/llvm/llvm-project/pull/94914