[llvm] 1715386 - Fix MSVC signed/unsigned comparison warning. NFC.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2025-03-27T08:56:21Z
New Revision: 1715386e809eb9f24ed7d874b2f309853d5d8950

URL: https://github.com/llvm/llvm-project/commit/1715386e809eb9f24ed7d874b2f309853d5d8950
DIFF: https://github.com/llvm/llvm-project/commit/1715386e809eb9f24ed7d874b2f309853d5d8950.diff

LOG: Fix MSVC signed/unsigned comparison warning. NFC.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index e121782811851..0355282ca0bdc 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4043,7 +4043,7 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) {
     return Rem->isZero();
   };
 
-  if (MaxPowerOf2RuntimeVF > 0) {
+  if (MaxPowerOf2RuntimeVF > 0u) {
     assert((UserVF.isNonZero() || isPowerOf2_32(*MaxPowerOf2RuntimeVF)) &&
            "MaxFixedVF must be a power of 2");
     if (NoScalarEpilogueNeeded(*MaxPowerOf2RuntimeVF)) {
@@ -4055,7 +4055,7 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) {
 
   auto ExpectedTC = getSmallBestKnownTC(PSE, TheLoop);
   if (ExpectedTC && ExpectedTC <= TTI.getMinTripCountTailFoldingThreshold()) {
-    if (MaxPowerOf2RuntimeVF > 0) {
+    if (MaxPowerOf2RuntimeVF > 0u) {
       // If we have a low-trip-count, and the fixed-width VF is known to divide
       // the trip count but the scalable factor does not, use the fixed-width
       // factor in preference to allow the generation of a non-predicated loop.