Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/test/CodeGen/Hexagon/cext-valid-packet2.ll

@@ -0,0 +1,16 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; Check that the packetizer generates valid packets with constant
+; extended add and base+offset store instructions.
+
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}add(r{{[0-9]+}},{{ *}}##200000)
+; CHECK-NEXT: memw(r{{[0-9]+}}{{ *}}+{{ *}}##12000){{ *}}={{ *}}r{{[0-9]+}}.new
+; CHECK-NEXT: }
+
+define void @test(i32* nocapture %a, i32* nocapture %b, i32 %c) nounwind {
+entry:
+  %0 = load i32, i32* %a, align 4
+  %add1 = add nsw i32 %0, 200000
+  %arrayidx2 = getelementptr inbounds i32, i32* %a, i32 3000
+  store i32 %add1, i32* %arrayidx2, align 4
+  ret void
+}