[SLP][REVEC] Pre-commit test.

Author: HanKuanChen

llvm/test/Transforms/SLPVectorizer/X86/revec-getStoreMinimumVF.ll

@@ -0,0 +1,10 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=slp-vectorizer -S -slp-revec %s | FileCheck %s
+
+define void @test() {
+entry:
+  %0 = getelementptr i8, ptr null, i64 4
+  store <4 x i8> zeroinitializer, ptr null, align 1
+  store <4 x i8> zeroinitializer, ptr %0, align 1
+  ret void
+}