[LV] Use try_emplace

artagnon · artagnon · commit 8e6b044c3eaf · 2025-06-15T11:54:45.000+01:00
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -8130,7 +8130,7 @@ void VPRecipeBuilder::collectScaledReductions(VFRange &Range) {
     PartialReductionChain Chain = Pair.first;
     if (ExtendIsOnlyUsedByPartialReductions(Chain.ExtendA) &&
         ExtendIsOnlyUsedByPartialReductions(Chain.ExtendB))
-      ScaledReductionMap.emplace_or_assign(Chain.Reduction, Pair.second);
+      ScaledReductionMap.try_emplace(Chain.Reduction, Pair.second);
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -8130,7 +8130,7 @@ void VPRecipeBuilder::collectScaledReductions(VFRange &Range) {`
`8130`	`8130`	`PartialReductionChain Chain = Pair.first;`
`8131`	`8131`	`if (ExtendIsOnlyUsedByPartialReductions(Chain.ExtendA) &&`
`8132`	`8132`	`ExtendIsOnlyUsedByPartialReductions(Chain.ExtendB))`
`8133`		`- ScaledReductionMap.emplace_or_assign(Chain.Reduction, Pair.second);`
	`8133`	`+ ScaledReductionMap.try_emplace(Chain.Reduction, Pair.second);`
`8134`	`8134`	`}`
`8135`	`8135`	`}`
`8136`	`8136`