[llvm] [Scalarizer] Test `*_with_overflow` intrinsics with min-bits (PR #127520)

[Jay Foad via llvm-commits]

https://github.com/jayfoad created https://github.com/llvm/llvm-project/pull/127520

None

>From 96977de13b5a0bec9e838cb16b9d58c84b143d92 Mon Sep 17 00:00:00 2001
From: Jay Foad <jay.foad at amd.com>
Date: Mon, 17 Feb 2025 16:47:09 +0000
Subject: [PATCH] [Scalarizer] Test `*_with_overflow` intrinsics with min-bits

---
 llvm/test/Transforms/Scalarizer/min-bits.ll | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/llvm/test/Transforms/Scalarizer/min-bits.ll b/llvm/test/Transforms/Scalarizer/min-bits.ll
index 97cc71626e208..377893ad7e6fd 100644
--- a/llvm/test/Transforms/Scalarizer/min-bits.ll
+++ b/llvm/test/Transforms/Scalarizer/min-bits.ll
@@ -1081,6 +1081,17 @@ define <4 x half> @call_v4f16(<4 x half> %a, <4 x half> %b) {
   ret <4 x half> %r
 }
 
+define <3 x i32> @call_v3i32(<3 x i32> %a, <3 x i32> %b) {
+; CHECK-LABEL: @call_v3i32(
+; CHECK-NEXT:    [[T:%.*]] = call { <3 x i32>, <3 x i1> } @llvm.uadd.with.overflow.v3i32(<3 x i32> [[A:%.*]], <3 x i32> [[B:%.*]])
+; CHECK-NEXT:    [[R:%.*]] = extractvalue { <3 x i32>, <3 x i1> } [[T]], 0
+; CHECK-NEXT:    ret <3 x i32> [[R]]
+;
+  %t = call { <3 x i32>, <3 x i1> } @llvm.uadd.with.overflow.v3i32(<3 x i32> %a, <3 x i32> %b)
+  %r = extractvalue { <3 x i32>, <3 x i1> } %t, 0
+  ret <3 x i32> %r
+}
+
 declare <2 x half> @llvm.minnum.v2f16(<2 x half>, <2 x half>)
 declare <3 x half> @llvm.minnum.v3f16(<3 x half>, <3 x half>)
 declare <4 x half> @llvm.minnum.v4f16(<4 x half>, <4 x half>)