[llvm] [VPlan] Introduce explicit ExtractFromEnd recipes for live-outs. (PR #100658)

[Florian Hahn via llvm-commits]

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@@ -205,16 +205,14 @@ define i32 @optimizable_trunc_used_outside() {
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
-; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[OFFSET_IDX]] to i32
-; CHECK-NEXT:    [[TMP1:%.*]] = add i32 [[TMP0]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP0]], 1
-; CHECK-NEXT:    [[TMP3:%.*]] = add i32 [[TMP0]], 2
-; CHECK-NEXT:    [[TMP4:%.*]] = add i32 [[TMP0]], 3
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[OFFSET_IDX]], 4
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
-; CHECK-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
+; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
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fhahn wrote:

Added, thanks!

https://github.com/llvm/llvm-project/pull/100658