--- /dev/null
+; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs
+; Just shouldn't crash, PR28348
+
+%C = type { i8* }
+
+define void @repro(%C* %this, i32 %a) {
+ %a_align1 = and i32 %a, -4096
+ %a_and = and i32 %a, 4095
+ %a_align2 = or i32 %a_and, 4096
+
+ call void @use(i32 %a_align1)
+
+ %C_field = getelementptr inbounds %C, %C* %this, i32 0, i32 0
+ %addptr = getelementptr inbounds i8, i8* null, i32 %a_align2
+ store i8* %addptr, i8** %C_field, align 4
+
+ ret void
+}
+
+declare void @use(i32)