[LV] Use llvm::all_of in LoopVectorizationCostModel::getMaximizedVFForTarget. NFC

[topperc]

No description provided.

[npanchen]

add NFC to title?

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: Craig Topper (topperc)

Changes

---

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

1 Files Affected:

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

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;
       }
     }

[topperc]

add NFC to title?

Isn't it already at the end of the title?

[fhahn]

LGTM, thanks!

[fhahn]

nit: llvm:: should not be needed

[npanchen]

add NFC to title?

Isn't it already at the end of the title?

my bad. Was looking at the beginning of the title