[llvm] [LV] Use llvm::all_off in LoopVectorizationCostModel::getMaximizedVFForTarget. NFC (PR #99585)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/99585.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/LoopVectorize.cpp (+6-9) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index fbca4cdcbcfcd..cf5b55191527b 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4589,15 +4589,12 @@ ElementCount LoopVectorizationCostModel::getMaximizedVFForTarget(
 
     // Select the largest VF which doesn't require more registers than existing
     // ones.
-    for (int i = RUs.size() - 1; i >= 0; --i) {
-      bool Selected = true;
-      for (auto &pair : RUs[i].MaxLocalUsers) {
-        unsigned TargetNumRegisters = TTI.getNumberOfRegisters(pair.first);
-        if (pair.second > TargetNumRegisters)
-          Selected = false;
-      }
-      if (Selected) {
-        MaxVF = VFs[i];
+    for (int I = RUs.size() - 1; I >= 0; --I) {
+      const auto &MLU = RUs[I].MaxLocalUsers;
+      if (llvm::all_of(MLU, [&](decltype(MLU.front()) &LU) {
+            return LU.second <= TTI.getNumberOfRegisters(LU.first);
+          })) {
+        MaxVF = VFs[I];
         break;
       }
     }

``````````

</details>


https://github.com/llvm/llvm-project/pull/99585