1 ; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s 2 ; REQUIRES: asserts 3 4 ; Check for some sane output. This test used to crash. 5 ; CHECK: jumpr r31 6 7 8 define i32 @fred(i32 %a0, i8 zeroext %a1) local_unnamed_addr #0 { 9 b2: 10 br i1 undef, label %b4, label %b3 11 12 b3: ; preds = %b2 13 unreachable 14 15 b4: ; preds = %b2 16 br i1 undef, label %b19, label %b5 17 18 b5: ; preds = %b4 19 br i1 undef, label %b6, label %b12 20 21 b6: ; preds = %b5 22 switch i8 %a1, label %b17 [ 23 i8 2, label %b7 24 i8 5, label %b7 25 i8 1, label %b7 26 i8 3, label %b8 27 ] 28 29 b7: ; preds = %b6, %b6, %b6 30 unreachable 31 32 b8: ; preds = %b6 33 br i1 undef, label %b11, label %b9 34 35 b9: ; preds = %b8 36 %v10 = or i32 undef, 0 37 br label %b15 38 39 b11: ; preds = %b8 40 unreachable 41 42 b12: ; preds = %b5 43 switch i8 %a1, label %b17 [ 44 i8 5, label %b13 45 i8 1, label %b13 46 i8 2, label %b14 47 i8 3, label %b15 48 ] 49 50 b13: ; preds = %b12, %b12 51 store i32 %a0, i32* undef, align 4 52 br label %b17 53 54 b14: ; preds = %b12 55 store i16 undef, i16* undef, align 4 56 br label %b17 57 58 b15: ; preds = %b12, %b9 59 %v16 = phi i32 [ 0, %b12 ], [ %v10, %b9 ] 60 store i32 undef, i32* undef, align 4 61 br label %b17 62 63 b17: ; preds = %b15, %b14, %b13, %b12, %b6 64 %v18 = phi i32 [ 0, %b13 ], [ 0, %b12 ], [ %v16, %b15 ], [ 0, %b14 ], [ 0, %b6 ] 65 ret i32 %v18 66 67 b19: ; preds = %b4 68 unreachable 69 } 70 71 attributes #0 = { nounwind "target-cpu"="hexagonv55" "target-features"="-hvx,-long-calls" } 72
