1 ; RUN: llc -march=hexagon -O2 < %s 2 ; REQUIRES: asserts 3 4 target triple = "hexagon" 5 6 ; Function Attrs: nounwind 7 define void @f0(i8* %a0, ...) #0 { 8 b0: 9 br i1 undef, label %b1, label %b2 10 11 b1: ; preds = %b0 12 unreachable 13 14 b2: ; preds = %b2, %b0 15 br i1 undef, label %b2, label %b3 16 17 b3: ; preds = %b2 18 br i1 undef, label %b4, label %b5 19 20 b4: ; preds = %b3 21 br label %b5 22 23 b5: ; preds = %b4, %b3 24 br label %b6 25 26 b6: ; preds = %b12, %b5 27 br i1 undef, label %b9, label %b7 28 29 b7: ; preds = %b6 30 %v0 = load i8, i8* undef, align 1, !tbaa !0 31 %v1 = zext i8 %v0 to i32 32 br i1 undef, label %b9, label %b8 33 34 b8: ; preds = %b7 35 br i1 undef, label %b9, label %b10 36 37 b9: ; preds = %b8, %b7, %b6 38 br label %b10 39 40 b10: ; preds = %b9, %b8 41 %v2 = phi i32 [ undef, %b9 ], [ %v1, %b8 ] 42 %v3 = icmp eq i32 %v2, 37 43 %v4 = sext i1 %v3 to i32 44 %v5 = icmp slt i32 0, 1 45 br i1 %v5, label %b12, label %b11 46 47 b11: ; preds = %b10 48 unreachable 49 50 b12: ; preds = %b10 51 br i1 undef, label %b13, label %b6 52 53 b13: ; preds = %b12 54 br label %b14 55 56 b14: ; preds = %b15, %b13 57 br i1 undef, label %b16, label %b15 58 59 b15: ; preds = %b14 60 br i1 undef, label %b14, label %b16 61 62 b16: ; preds = %b15, %b14 63 br label %b17 64 65 b17: ; preds = %b18, %b16 66 %v6 = phi i8* [ undef, %b16 ], [ %v7, %b18 ] 67 %v7 = getelementptr inbounds i8, i8* %v6, i32 1 68 %v8 = load i8, i8* %v7, align 1, !tbaa !0 69 br label %b18 70 71 b18: ; preds = %b19, %b17 72 %v9 = phi i32 [ 5, %b17 ], [ %v11, %b19 ] 73 %v10 = icmp eq i8 undef, %v8 74 br i1 %v10, label %b17, label %b19 75 76 b19: ; preds = %b18 77 %v11 = add i32 %v9, -1 78 %v12 = icmp eq i32 %v11, 0 79 br i1 %v12, label %b20, label %b18 80 81 b20: ; preds = %b19 82 unreachable 83 } 84 85 attributes #0 = { nounwind } 86 87 !0 = !{!1, !1, i64 0} 88 !1 = !{!"omnipotent char", !2, i64 0} 89 !2 = !{!"Simple C/C++ TBAA"} 90
