[SLP][REVEC] Pre-commit test.

Author: HanKuanChen

llvm/test/Transforms/SLPVectorizer/SystemZ/revec-fix-117393.ll

@@ -0,0 +1,17 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -mtriple=systemz-unknown -mcpu=z15 -passes=slp-vectorizer -S -slp-revec %s | FileCheck %s
+
+define void @h() {
+entry:
+  %0 = shl <4 x i32> zeroinitializer, zeroinitializer
+  %1 = or <4 x i32> %0, zeroinitializer
+  %2 = or <4 x i32> splat (i32 1), zeroinitializer
+  %3 = or <4 x i32> zeroinitializer, zeroinitializer
+  %4 = shl <4 x i32> zeroinitializer, zeroinitializer
+  %5 = or <4 x i32> %4, zeroinitializer
+  %6 = and <4 x i32> %2, %1
+  %7 = and <4 x i32> %3, %6
+  %8 = and <4 x i32> %5, %7
+  %9 = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> %8)
+  ret void
+}