[llvm] [LV] Add missing CHECK lines for a test from UTC (PR #151871)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/151871

None

>From fc22848a5b207a51f5ac008d25284259c8ef0711 Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
Date: Sun, 3 Aug 2025 16:48:39 +0100
Subject: [PATCH] [LV] Add missing CHECK lines for a test from UTC

---
 .../AArch64/partial-reduce-dot-product.ll             | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll b/llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll
index 5218e64cddd80..195101f650faa 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll
@@ -1852,6 +1852,17 @@ define i64 @dotp_cost_disagreement(ptr %a, ptr %b) #0 {
 ; CHECK-MAXBW-NEXT:    [[TMP9:%.*]] = zext <vscale x 8 x i8> [[WIDE_LOAD]] to <vscale x 8 x i64>
 ; CHECK-MAXBW-NEXT:    [[TMP10:%.*]] = add nuw nsw i64 [[INDEX]], 1
 ; CHECK-MAXBW-NEXT:    [[TMP11:%.*]] = getelementptr inbounds nuw i8, ptr [[B]], i64 [[TMP10]]
+; CHECK-MAXBW-NEXT:    [[WIDE_LOAD1:%.*]] = load <vscale x 8 x i8>, ptr [[TMP11]], align 1
+; CHECK-MAXBW-NEXT:    [[TMP12:%.*]] = zext <vscale x 8 x i8> [[WIDE_LOAD1]] to <vscale x 8 x i64>
+; CHECK-MAXBW-NEXT:    [[TMP15:%.*]] = mul nuw nsw <vscale x 8 x i64> [[TMP12]], [[TMP9]]
+; CHECK-MAXBW-NEXT:    [[TMP14]] = add <vscale x 8 x i64> [[VEC_PHI]], [[TMP15]]
+; CHECK-MAXBW-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]]
+; CHECK-MAXBW-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-MAXBW-NEXT:    br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK-MAXBW:       middle.block:
+; CHECK-MAXBW-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vector.reduce.add.nxv8i64(<vscale x 8 x i64> [[TMP14]])
+; CHECK-MAXBW-NEXT:    [[CMP_N:%.*]] = icmp eq i64 41, [[N_VEC]]
+; CHECK-MAXBW-NEXT:    br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
 ; CHECK-MAXBW:       scalar.ph:
 ;
 entry: