1; RUN: llc -march=hexagon --enable-pipeliner -hexagon-expand-condsets=0 < %s 2; REQUIRES: asserts 3 4; Disable expand-condsets because it will assert on undefined registers. 5 6define void @f0() #0 { 7b0: 8 br i1 undef, label %b1, label %b2 9 10b1: ; preds = %b0 11 unreachable 12 13b2: ; preds = %b0 14 br i1 undef, label %b3, label %b4 15 16b3: ; preds = %b3, %b2 17 br i1 undef, label %b4, label %b3 18 19b4: ; preds = %b3, %b2 20 %v0 = ashr i32 undef, 25 21 %v1 = mul nsw i32 %v0, 2 22 %v2 = load i8, i8* undef, align 1 23 br i1 undef, label %b5, label %b10 24 25b5: ; preds = %b4 26 br i1 undef, label %b6, label %b9 27 28b6: ; preds = %b5 29 br label %b7 30 31b7: ; preds = %b7, %b6 32 br i1 undef, label %b7, label %b8 33 34b8: ; preds = %b7 35 br i1 undef, label %b10, label %b9 36 37b9: ; preds = %b9, %b8, %b5 38 %v3 = phi i8 [ %v7, %b9 ], [ undef, %b8 ], [ %v2, %b5 ] 39 %v4 = phi i32 [ %v8, %b9 ], [ undef, %b8 ], [ 1, %b5 ] 40 %v5 = add i32 %v4, undef 41 %v6 = load i8, i8* undef, align 1 42 %v7 = select i1 undef, i8 %v6, i8 %v3 43 %v8 = add nsw i32 %v4, 1 44 %v9 = icmp eq i32 %v8, %v1 45 br i1 %v9, label %b10, label %b9 46 47b10: ; preds = %b9, %b8, %b4 48 %v10 = phi i8 [ %v2, %b4 ], [ undef, %b8 ], [ %v7, %b9 ] 49 br i1 false, label %b11, label %b12 50 51b11: ; preds = %b10 52 unreachable 53 54b12: ; preds = %b10 55 br label %b13 56 57b13: ; preds = %b13, %b12 58 br label %b13 59} 60 61attributes #0 = { nounwind "target-cpu"="hexagonv55" } 62