[llvm] [VPlan] Introduce recipes for VP loads and stores. (PR #87816)

[via llvm-commits]

================
@@ -27,14 +27,14 @@ define void @foo(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
 ; IF-EVL-NEXT:    vp<[[ST:%[0-9]+]]> = SCALAR-STEPS vp<[[EVL_PHI]]>, ir<1>
 ; IF-EVL-NEXT:    CLONE ir<[[GEP1:%.+]]> = getelementptr inbounds ir<%b>, vp<[[ST]]>
 ; IF-EVL-NEXT:    vp<[[PTR1:%[0-9]+]]> = vector-pointer ir<[[GEP1]]>
-; IF-EVL-NEXT:    WIDEN ir<[[LD1:%.+]]> = load vp<[[PTR1]]>, ir<true>
+; IF-EVL-NEXT:    WIDEN ir<[[LD1:%.+]]> = vp.load vp<[[PTR1]]>, vp<[[EVL]]>
----------------
ayalz wrote:

nit (unrelated to this patch): may be helpful to add the name of the underlying IR LoadInst when printing WIDEN [vp.]load recipes, to clarify what is being widened.

https://github.com/llvm/llvm-project/pull/87816