2 ; RUN: llc -march=hexagon -enable-pipeliner -o /dev/null < %s
3 ; Test that we do not crash when running CopyToPhi DAG mutation due to
4 ; iterator invalidation.
6 declare i64 @llvm.hexagon.M2.cmacsc.s0(i64, i32, i32) #0
7 define dso_local void @foo() local_unnamed_addr #1 {
10 for.body: ; preds = %for.body, %entry
11 %loop_count.0420 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
12 %tmp_rslt4.sroa.0.0415 = phi i64 [ 0, %entry ], [ %phitmp395, %for.body ]
13 %tmp_rslt4.sroa.14.0414 = phi i64 [ 0, %entry ], [ %phitmp394, %for.body ]
14 %tmp_rslt3.sroa.12.0412 = phi i64 [ 0, %entry ], [ %phitmp391, %for.body ]
15 %tmp_rslt3.sroa.0.0.insert.insert = or i64 0, %tmp_rslt3.sroa.12.0412
16 %0 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %tmp_rslt3.sroa.0.0.insert.insert, i32 undef, i32 undef)
17 %tmp_rslt4.sroa.0.0.insert.insert = or i64 %tmp_rslt4.sroa.0.0415, %tmp_rslt4.sroa.14.0414
18 %1 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %tmp_rslt4.sroa.0.0.insert.insert, i32 undef, i32 undef)
19 %inc = add nuw nsw i32 %loop_count.0420, 1
20 %phitmp391 = and i64 %0, -4294967296
21 %phitmp394 = and i64 %1, -4294967296
22 %phitmp395 = and i64 %1, 4294967295
23 %exitcond = icmp eq i32 %inc, 63
24 br i1 %exitcond, label %for.end, label %for.body
26 for.end: ; preds = %for.body
27 %2 = tail call i64 @llvm.hexagon.M2.cmacsc.s0(i64 %0, i32 undef, i32 undef)
31 attributes #0 = { nounwind readnone }
32 attributes #1 = { "target-features"="-long-calls,-small-data" }