| ; RUN: llc -march=hexagon -O2 < %s |
| ; REQUIRES: asserts |
| |
| target triple = "hexagon" |
| |
| ; Function Attrs: nounwind |
| define void @f0(i8* %a0, ...) #0 { |
| b0: |
| br i1 undef, label %b1, label %b2 |
| |
| b1: ; preds = %b0 |
| unreachable |
| |
| b2: ; preds = %b2, %b0 |
| br i1 undef, label %b2, label %b3 |
| |
| b3: ; preds = %b2 |
| br i1 undef, label %b4, label %b5 |
| |
| b4: ; preds = %b3 |
| br label %b5 |
| |
| b5: ; preds = %b4, %b3 |
| br label %b6 |
| |
| b6: ; preds = %b12, %b5 |
| br i1 undef, label %b9, label %b7 |
| |
| b7: ; preds = %b6 |
| %v0 = load i8, i8* undef, align 1, !tbaa !0 |
| %v1 = zext i8 %v0 to i32 |
| br i1 undef, label %b9, label %b8 |
| |
| b8: ; preds = %b7 |
| br i1 undef, label %b9, label %b10 |
| |
| b9: ; preds = %b8, %b7, %b6 |
| br label %b10 |
| |
| b10: ; preds = %b9, %b8 |
| %v2 = phi i32 [ undef, %b9 ], [ %v1, %b8 ] |
| %v3 = icmp eq i32 %v2, 37 |
| %v4 = sext i1 %v3 to i32 |
| %v5 = icmp slt i32 0, 1 |
| br i1 %v5, label %b12, label %b11 |
| |
| b11: ; preds = %b10 |
| unreachable |
| |
| b12: ; preds = %b10 |
| br i1 undef, label %b13, label %b6 |
| |
| b13: ; preds = %b12 |
| br label %b14 |
| |
| b14: ; preds = %b15, %b13 |
| br i1 undef, label %b16, label %b15 |
| |
| b15: ; preds = %b14 |
| br i1 undef, label %b14, label %b16 |
| |
| b16: ; preds = %b15, %b14 |
| br label %b17 |
| |
| b17: ; preds = %b18, %b16 |
| %v6 = phi i8* [ undef, %b16 ], [ %v7, %b18 ] |
| %v7 = getelementptr inbounds i8, i8* %v6, i32 1 |
| %v8 = load i8, i8* %v7, align 1, !tbaa !0 |
| br label %b18 |
| |
| b18: ; preds = %b19, %b17 |
| %v9 = phi i32 [ 5, %b17 ], [ %v11, %b19 ] |
| %v10 = icmp eq i8 undef, %v8 |
| br i1 %v10, label %b17, label %b19 |
| |
| b19: ; preds = %b18 |
| %v11 = add i32 %v9, -1 |
| %v12 = icmp eq i32 %v11, 0 |
| br i1 %v12, label %b20, label %b18 |
| |
| b20: ; preds = %b19 |
| unreachable |
| } |
| |
| attributes #0 = { nounwind } |
| |
| !0 = !{!1, !1, i64 0} |
| !1 = !{!"omnipotent char", !2, i64 0} |
| !2 = !{!"Simple C/C++ TBAA"} |
