[llvm] [LoopUnrollPass] Use `PragmaCount` instead of reparsing the metadata (NFC) (PR #182080)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Justin Fargnoli (justinfargnoli)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/182080.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 40d8043d01e02..3ed3c617345f0 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -1137,7 +1137,7 @@ bool llvm::computeUnrollCount(
 
     using namespace ore;
 
-    if (unrollCountPragmaValue(L) > 0 && !UP.AllowRemainder)
+    if (PragmaCount > 0 && !UP.AllowRemainder)
       ORE->emit([&]() {
         return OptimizationRemarkMissed(DEBUG_TYPE,
                                         "DifferentUnrollCountFromDirected",

``````````

</details>


https://github.com/llvm/llvm-project/pull/182080