Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/CodeGen/ARM/constant-island-crash.ll

@@ -0,0 +1,43 @@
+; RUN: llc < %s
+; No FileCheck - testing for crash.
+
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv5e-none-linux-gnueabi"
+
+%struct.blam = type { [4 x %struct.eggs], [6 x [15 x i16]], [6 x i32], i32, i32, i32, i32, i32, i32, %struct.eggs, [4 x %struct.eggs], [4 x %struct.eggs], [4 x i32], i32, i32, i32, [4 x %struct.eggs], [4 x %struct.eggs], i32, %struct.eggs, i32 }
+%struct.eggs = type { i32, i32 }
+
+define void @spam(%struct.blam* %arg, i32 %arg1) {
+bb:
+  %tmp = getelementptr inbounds %struct.blam, %struct.blam* %arg, i32 undef, i32 2, i32 %arg1
+  switch i32 %arg1, label %bb8 [
+    i32 0, label %bb2
+    i32 1, label %bb3
+    i32 2, label %bb4
+    i32 3, label %bb5
+    i32 4, label %bb6
+    i32 5, label %bb7
+  ]
+
+bb2:                                              ; preds = %bb
+  unreachable
+
+bb3:                                              ; preds = %bb
+  unreachable
+
+bb4:                                              ; preds = %bb
+  unreachable
+
+bb5:                                              ; preds = %bb
+  unreachable
+
+bb6:                                              ; preds = %bb
+  unreachable
+
+bb7:                                              ; preds = %bb
+  unreachable
+
+bb8:                                              ; preds = %bb
+  store i32 1, i32* %tmp, align 4
+  unreachable
+}