[llvm] [SLP][NFCI] Don't trim indexes, reuse a variable (PR #149074)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Piotr Fusik (pfusik)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/149074.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+3-4) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 87de28044b2ae..2fef146f6fe8c 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -8623,11 +8623,10 @@ void BoUpSLP::tryToVectorizeGatheredLoads(
                                State == LoadsState::CompressVectorize)
                              return false;
                            ConsecutiveNodesSize += VL.size();
-                           unsigned Start = std::distance(Slice.begin(), It);
-                           unsigned Sz = Slice.size() - Start;
+                           size_t Start = std::distance(Slice.begin(), It);
+                           size_t Sz = Slice.size() - Start;
                            return Sz < VL.size() ||
-                                  Slice.slice(std::distance(Slice.begin(), It),
-                                              VL.size()) != VL;
+                                  Slice.slice(Start, VL.size()) != VL;
                          }))
                 continue;
               // Try to build long masked gather loads.

``````````

</details>


https://github.com/llvm/llvm-project/pull/149074