Refine the comments according to Florian's comment

Mel-Chen · Mel-Chen · commit f5ad37e4b30e · 2024-11-04T23:17:42.000-08:00
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1484,7 +1484,8 @@ class LoopVectorizationCostModel {
     return InLoopReductions.contains(Phi);
   }
 
-  /// Returns true if the predicated reduction select should be used.
+  /// Returns true if the predicated reduction select should be used to set the
+  /// incoming value for the reduction phi.
   bool usePredicatedReductionSelect(unsigned Opcode, Type *PhiTy) const {
     // Force to use predicated reduction select since the EVL of the
     // second-to-last iteration might not be VF*UF.

Original file line number	Diff line number	Diff line change
`@@ -1484,7 +1484,8 @@ class LoopVectorizationCostModel {`
`1484`	`1484`	`return InLoopReductions.contains(Phi);`
`1485`	`1485`	`}`
`1486`	`1486`
`1487`		`- /// Returns true if the predicated reduction select should be used.`
	`1487`	`+ /// Returns true if the predicated reduction select should be used to set the`
	`1488`	`+ /// incoming value for the reduction phi.`
`1488`	`1489`	`bool usePredicatedReductionSelect(unsigned Opcode, Type *PhiTy) const {`
`1489`	`1490`	`// Force to use predicated reduction select since the EVL of the`
`1490`	`1491`	`// second-to-last iteration might not be VF*UF.`