Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/AArch64/arm64-2012-01-11-ComparisonDAGCrash.ll

@@ -1,40 +0,0 @@
-; RUN: llc < %s -mtriple=arm64-eabi
-
-; The target lowering for integer comparisons was replacing some DAG nodes
-; during operation legalization, which resulted in dangling pointers,
-; cycles in DAGs, and eventually crashes.  This is the testcase for
-; one of those crashes. (rdar://10653656)
-
-define void @test(i1 zeroext %IsArrow) nounwind ssp align 2 {
-entry:
-  br i1 undef, label %return, label %lor.lhs.false
-
-lor.lhs.false:
-  br i1 undef, label %return, label %if.end
-
-if.end:
-  %tmp.i = load i64, i64* undef, align 8
-  %and.i.i.i = and i64 %tmp.i, -16
-  br i1 %IsArrow, label %if.else_crit_edge, label %if.end32
-
-if.else_crit_edge:
-  br i1 undef, label %if.end32, label %return
-
-if.end32:
-  %0 = icmp ult i32 undef, 3
-  %1 = zext i64 %tmp.i to i320
-  %.pn.v = select i1 %0, i320 128, i320 64
-  %.pn = shl i320 %1, %.pn.v
-  %ins346392 = or i320 %.pn, 0
-  store i320 %ins346392, i320* undef, align 8
-  br i1 undef, label %sw.bb.i.i, label %exit
-
-sw.bb.i.i:
-  unreachable
-
-exit:
-  unreachable
-
-return:
-  ret void
-}