Add comment above tryTocreateAbstractPartialReductionRecipe

SamTebbs33 · SamTebbs33 · commit 44ccc68cf306 · 2025-05-01T16:38:55.000+01:00
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -2437,6 +2437,8 @@ static void tryToCreateAbstractReductionRecipe(VPReductionRecipe *Red,
   Red->replaceAllUsesWith(AbstractR);
 }
 
+/// This function tries to create an abstract recipe from a partial reduction to
+/// hide its mul and extends from cost estimation.
 static void
 tryToCreateAbstractPartialReductionRecipe(VPPartialReductionRecipe *PRed) {
   if (PRed->getOpcode() != Instruction::Add)

Original file line number	Diff line number	Diff line change
`@@ -2437,6 +2437,8 @@ static void tryToCreateAbstractReductionRecipe(VPReductionRecipe *Red,`
`2437`	`2437`	`Red->replaceAllUsesWith(AbstractR);`
`2438`	`2438`	`}`
`2439`	`2439`
	`2440`	`+/// This function tries to create an abstract recipe from a partial reduction to`
	`2441`	`+/// hide its mul and extends from cost estimation.`
`2440`	`2442`	`static void`
`2441`	`2443`	`tryToCreateAbstractPartialReductionRecipe(VPPartialReductionRecipe *PRed) {`
`2442`	`2444`	`if (PRed->getOpcode() != Instruction::Add)`