1 ; RUN: llc -march=hexagon -filetype=obj -o /dev/null < %s 2 ; REQUIRES: asserts 3 4 ; This crashed in the MC code emitter, because a new-value branch was created 5 ; with IMPLICIT_DEF as the producer. 6 7 target triple = "hexagon" 8 9 %type.0 = type { %type.1, [64 x i8] } 10 %type.1 = type { [12 x i8], %type.2*, double } 11 %type.2 = type { i16, i16, [1 x %type.3] } 12 %type.3 = type { i32 } 13 %type.4 = type { %type.2*, i32 } 14 15 define hidden fastcc i8* @fred(%type.0* nocapture readonly %a0, i8* readonly %a1) unnamed_addr #2 { 16 b2: 17 %v3 = load i8, i8* %a1, align 1 18 br i1 undef, label %b4, label %b24 19 20 b4: ; preds = %b2 21 switch i8 %v3, label %b13 [ 22 i8 25, label %b5 23 i8 26, label %b6 24 i8 28, label %b8 25 i8 27, label %b9 26 i8 43, label %b11 27 i8 110, label %b12 28 ] 29 30 b5: ; preds = %b4 31 unreachable 32 33 b6: ; preds = %b4 34 %v7 = getelementptr inbounds i8, i8* %a1, i32 2 35 br label %b16 36 37 b8: ; preds = %b4 38 br label %b16 39 40 b9: ; preds = %b4 41 %v10 = tail call fastcc i8* @fred(%type.0* undef, i8* undef) 42 br label %b24 43 44 b11: ; preds = %b4 45 unreachable 46 47 b12: ; preds = %b4 48 unreachable 49 50 b13: ; preds = %b4 51 br label %b14 52 53 b14: ; preds = %b13 54 br i1 undef, label %b15, label %b16 55 56 b15: ; preds = %b14 57 unreachable 58 59 b16: ; preds = %b20, %b14, %b8, %b6 60 %v17 = phi i8* [ %v21, %b20 ], [ undef, %b14 ], [ undef, %b8 ], [ %v7, %b6 ] 61 %v18 = phi i32 [ 0, %b20 ], [ undef, %b14 ], [ 0, %b8 ], [ 8, %b6 ] 62 %v19 = icmp sgt i32 %v18, 0 63 br i1 %v19, label %b20, label %b24 64 65 b20: ; preds = %b16 66 %v21 = getelementptr inbounds i8, i8* %v17, i32 1 67 %v22 = load i8, i8* %v17, align 1 68 %v23 = icmp eq i8 %v22, undef 69 br i1 %v23, label %b16, label %b24 70 71 b24: ; preds = %b20, %b16, %b9, %b2 72 %v25 = phi i8* [ null, %b2 ], [ null, %b9 ], [ %v17, %b16 ], [ null, %b20 ] 73 ret i8* %v25 74 } 75 76 attributes #0 = { argmemonly nounwind } 77 attributes #1 = { nounwind readonly "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b,-long-calls" } 78 attributes #2 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b,-long-calls" } 79 80
