diff options
Diffstat (limited to 'lib/hipe/test/basic_SUITE_data/basic_edge_cases.erl')
| -rw-r--r-- | lib/hipe/test/basic_SUITE_data/basic_edge_cases.erl | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_edge_cases.erl b/lib/hipe/test/basic_SUITE_data/basic_edge_cases.erl new file mode 100644 index 0000000000..9bf5cf52cd --- /dev/null +++ b/lib/hipe/test/basic_SUITE_data/basic_edge_cases.erl @@ -0,0 +1,142 @@ +%%% -*- erlang-indent-level: 2 -*- +%%%---------------------------------------------------------------------- +%%% Contains +%%%---------------------------------------------------------------------- +-module(basic_edge_cases). + +-export([test/0]). + +test() -> + ok = test_float_spills(), + ok = test_infinite_loops(), + ok. + +%% Contains more float temps live at a single point than there are float +%% registers in any backend + +test_float_spills() -> + {{{2942.0,4670.0,3198.0,4926.0,2206.0,4734.0}, + {3118.0,2062.0,5174.0,3038.0,3618.0,3014.0}, + {2542.0,2062.0,4934.0,2590.0,3098.0,3062.0}, + {2950.0,3666.0,2574.0,5038.0,1866.0,2946.0}, + {3126.0,3050.0,3054.0,5070.0,2258.0,2714.0}, + {4734.0,2206.0,4926.0,3198.0,4670.0,2942.0}}, + 58937.0} = + mat66_flip_sum(35.0,86.0,32.0,88.0,33.0,57.0, + 22.0,77.0,91.0,80.0,14.0,33.0, + 51.0,28.0,87.0,20.0,91.0,11.0, + 68.0,83.0,64.0,82.0,10.0,86.0, + 74.0,18.0,08.0,52.0,10.0,14.0, + 89.0,34.0,64.0,66.0,58.0,55.0, + 0.0, 5), + ok. + +mat66_flip_sum(M11, M12, M13, M14, M15, M16, + M21, M22, M23, M24, M25, M26, + M31, M32, M33, M34, M35, M36, + M41, M42, M43, M44, M45, M46, + M51, M52, M53, M54, M55, M56, + M61, M62, M63, M64, M65, M66, + Acc, Ctr) + when is_float(M11), is_float(M12), is_float(M13), + is_float(M14), is_float(M15), is_float(M16), + is_float(M21), is_float(M22), is_float(M23), + is_float(M24), is_float(M25), is_float(M26), + is_float(M31), is_float(M32), is_float(M33), + is_float(M34), is_float(M35), is_float(M36), + is_float(M41), is_float(M42), is_float(M43), + is_float(M44), is_float(M45), is_float(M46), + is_float(M51), is_float(M52), is_float(M53), + is_float(M54), is_float(M55), is_float(M56), + is_float(M61), is_float(M62), is_float(M63), + is_float(M64), is_float(M65), is_float(M66), + is_float(Acc) -> + R11 = M66+M11, R12 = M65+M12, R13 = M64+M13, + R14 = M63+M14, R15 = M62+M15, R16 = M61+M16, + R21 = M56+M21, R22 = M55+M22, R23 = M54+M23, + R24 = M53+M24, R25 = M52+M25, R26 = M51+M26, + R31 = M46+M31, R32 = M45+M32, R33 = M44+M33, + R34 = M43+M34, R35 = M42+M35, R36 = M41+M36, + R41 = M26+M41, R42 = M25+M42, R43 = M24+M43, + R44 = M23+M44, R45 = M22+M45, R46 = M21+M46, + R51 = M36+M51, R52 = M35+M52, R53 = M34+M53, + R54 = M33+M54, R55 = M32+M55, R56 = M31+M56, + R61 = M16+M61, R62 = M15+M62, R63 = M14+M63, + R64 = M13+M64, R65 = M12+M65, R66 = M11+M66, + case Ctr of + 0 -> + {{{R11, R12, R13, R14, R15, R16}, + {R21, R22, R23, R24, R25, R26}, + {R31, R32, R33, R34, R35, R36}, + {R41, R42, R43, R44, R45, R46}, + {R51, R52, R53, R54, R55, R56}, + {R61, R62, R63, R64, R65, R66}}, + Acc}; + _ -> + NewAcc = 0.0 + M11 + M12 + M13 + M14 + M15 + M16 + + + M21 + M22 + M23 + M24 + M25 + M26 + + M31 + M32 + M33 + M34 + M35 + M36 + + M41 + M42 + M43 + M44 + M45 + M46 + + M51 + M52 + M53 + M54 + M55 + M56 + + M61 + M62 + M63 + M64 + M65 + M66 + + Acc, + mat66_flip_sum(R11+1.0, R12+1.0, R13+1.0, R14+1.0, R15+1.0, R16+1.0, + R21+1.0, R22+1.0, R23+1.0, R24+1.0, R25+1.0, R26+1.0, + R31+1.0, R32+1.0, R33+1.0, R34+1.0, R35+1.0, R36+1.0, + R41+1.0, R42+1.0, R43+1.0, R44+1.0, R45+1.0, R46+1.0, + R51+1.0, R52+1.0, R53+1.0, R54+1.0, R55+1.0, R56+1.0, + R61+1.0, R62+1.0, R63+1.0, R64+1.0, R65+1.0, R66+1.0, + NewAcc, Ctr-1) + end. + +%% Infinite loops must receive reduction tests, and might trip up basic block +%% weighting, leading to infinite weights and/or divisions by zero. + +test_infinite_loops() -> + OldTrapExit = process_flag(trap_exit, true), + ok = test_infinite_loop(fun infinite_recursion/0), + ok = test_infinite_loop(fun infinite_corecursion/0), + RecursiveFun = fun RecursiveFun() -> RecursiveFun() end, + ok = test_infinite_loop(RecursiveFun), + CorecursiveFunA = fun CorecursiveFunA() -> + CorecursiveFunA1 = fun () -> CorecursiveFunA() end, + CorecursiveFunA1() + end, + ok = test_infinite_loop(CorecursiveFunA), + CorecursiveFunB1 = fun(CorecursiveFunB) -> CorecursiveFunB() end, + CorecursiveFunB = fun CorecursiveFunB() -> + CorecursiveFunB1(CorecursiveFunB) + end, + ok = test_infinite_loop(CorecursiveFunB), + CorecursiveFunC1 = fun CorecursiveFunC1(Other) -> + Other(CorecursiveFunC1) + end, + CorecursiveFunC = fun CorecursiveFunC(Other) -> + Other(CorecursiveFunC) + end, + ok = test_infinite_loop(fun() -> CorecursiveFunC(CorecursiveFunC1) end), + ok = test_infinite_loop(fun() -> CorecursiveFunC(CorecursiveFunC) end), + true = process_flag(trap_exit, OldTrapExit), + ok. + +-define(INFINITE_LOOP_TIMEOUT, 100). +test_infinite_loop(Fun) -> + Tester = spawn_link(Fun), + kill_soon(Tester), + receive {'EXIT', Tester, awake} -> + undefined = process_info(Tester), + ok + after ?INFINITE_LOOP_TIMEOUT -> error(timeout) + end. + +infinite_recursion() -> infinite_recursion(). + +infinite_corecursion() -> infinite_corecursion_1(). +infinite_corecursion_1() -> infinite_corecursion(). + +kill_soon(Pid) -> + _ = spawn_link(fun() -> + timer:sleep(1), + erlang:exit(Pid, awake) + end), + ok. |