[CodeGen][AArch64] Commit test for llvm#65044

Author: danilaml

llvm/test/CodeGen/AArch64/complex-deinterleaving-crash.ll

@@ -0,0 +1,27 @@
+; XFAIL: *
+; RUN: llc %s --mattr=+complxnum -o - | FileCheck %s
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-ni:1-p2:32:8:8:32-ni:2"
+target triple = "aarch64-none-linux-gnu"
+
+; Check that deinterleaving pass doesn't generate broken IR
+define void @check_deinterleave_crash() #0 {
+bb:
+  br label %bb173
+
+bb173:                                            ; preds = %bb173, %bb
+  %phi177 = phi <2 x i32> [ %add190, %bb173 ], [ zeroinitializer, %bb ]
+  %phi178 = phi <2 x i32> [ %add187, %bb173 ], [ zeroinitializer, %bb ]
+  %add185 = add <2 x i32> %phi178, <i32 1, i32 1>
+  %add186 = add <2 x i32> %phi177, <i32 1, i32 1>
+  %shufflevector = shufflevector <2 x i32> zeroinitializer, <2 x i32> zeroinitializer, <2 x i32> zeroinitializer
+  %add187 = add <2 x i32> %add185, %shufflevector
+  %shufflevector189 = shufflevector <2 x i32> zeroinitializer, <2 x i32> zeroinitializer, <2 x i32> zeroinitializer
+  %add190 = add <2 x i32> %add186, %shufflevector189
+  br i1 poison, label %bb193, label %bb173
+
+bb193:                                            ; preds = %bb173
+  %add194 = or <2 x i32> %add190, %add187
+  store volatile i32 0, ptr null, align 4
+  unreachable
+}