2022-04-05 23:19:23 +02:00
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--TEST--
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008: CFG for a larger loop (Figure 8 from "Global Code Motion Global Value Numbering" by Cliff Click)
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--ARGS--
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--dump-cfg --dump-after-gcm
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--CODE--
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{
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uintptr_t c_1 = 0;
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bool c_2 = 0;
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bool c_3 = 1;
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int32_t c_4 = 1;
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int32_t c_5 = 4;
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l_1 = START(l_54);
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int32_t d_2 = PARAM(l_1, "a", 0);
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int32_t d_3 = PARAM(l_1, "b", 1);
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int32_t d_4 = PARAM(l_1, "c", 2);
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int32_t d_5 = PARAM(l_1, "d", 3);
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int32_t d_6 = PARAM(l_1, "l", 4);
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int32_t d_7 = PARAM(l_1, "m", 5);
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int32_t d_8 = PARAM(l_1, "s", 6);
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int32_t d_9 = PARAM(l_1, "t", 7);
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int32_t d_10 = PARAM(l_1, "cond1", 8);
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int32_t d_11 = PARAM(l_1, "cond2", 9);
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l_12 = END(l_1);
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l_13 = LOOP_BEGIN(l_12, l_42);
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int32_t d_14 = PHI(l_13, d_2, d_32);
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int32_t d_15 = PHI(l_13, d_5, d_33);
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int32_t d_16 = PHI(l_13, d_7, d_35);
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int32_t d_17 = PHI(l_13, d_8, d_36);
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int32_t d_18 = PHI(l_13, d_9, d_37);
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l_19 = IF(l_13, d_10);
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l_20 = IF_TRUE(l_19);
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int32_t d_21 = MUL(d_4, d_3);
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int32_t d_22 = ADD(d_21, c_5);
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int32_t d_23 = COPY(d_4);
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l_24 = END(l_20);
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l_25 = IF_FALSE(l_19);
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int32_t d_26 = COPY(d_4);
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int32_t d_27 = MUL(d_26, d_3);
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int32_t d_28 = MUL(d_14, d_3);
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int32_t d_29 = ADD(d_28, c_4);
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l_30 = END(l_25);
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l_31 = MERGE(l_24, l_30);
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int32_t d_32 = PHI(l_31, d_23, d_14);
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int32_t d_33 = PHI(l_31, d_15, d_26);
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int32_t d_34 = PHI(l_31, d_21, d_27);
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int32_t d_35 = PHI(l_31, d_22, d_16);
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int32_t d_36 = PHI(l_31, d_17, d_28);
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int32_t d_37 = PHI(l_31, d_18, d_29);
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int32_t d_38 = MUL(d_32, d_3);
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int32_t d_39 = ADD(d_38, c_4);
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l_40 = IF(l_31, d_11);
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l_41 = IF_TRUE(l_40);
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2023-03-22 22:47:27 +01:00
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l_42 = LOOP_END(l_41);
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2022-04-05 23:19:23 +02:00
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l_43 = IF_FALSE(l_40);
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2022-06-15 16:27:31 +02:00
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int32_t d_44 = ADD(d_32, d_3);
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int32_t d_45 = ADD(d_44, d_4);
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int32_t d_46 = ADD(d_45, d_33);
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int32_t d_47 = ADD(d_46, d_34);
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int32_t d_48 = ADD(d_47, d_35);
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int32_t d_49 = ADD(d_48, d_36);
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int32_t d_50 = ADD(d_49, d_37);
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int32_t d_51 = ADD(d_50, d_39);
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l_54 = RETURN(l_43, d_51);
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2022-04-05 23:19:23 +02:00
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}
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--EXPECT--
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{ # CFG
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BB1:
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start=1
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end=12
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successors(1) [BB2]
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dom_depth=0
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dom_children [BB2]
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BB2:
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start=13
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end=19
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successors(2) [BB3, BB4]
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predecessors(2) [BB1, BB6]
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dom_parent=BB1
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dom_depth=1
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dom_children [BB3, BB4, BB5]
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LOOP_HEADER
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loop_depth=1
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BB3:
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start=20
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end=23
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successors(1) [BB5]
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predecessors(1) [BB2]
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dom_parent=BB2
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dom_depth=2
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loop_header=BB2
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loop_depth=1
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BB4:
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start=24
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end=27
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successors(1) [BB5]
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predecessors(1) [BB2]
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dom_parent=BB2
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dom_depth=2
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loop_header=BB2
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loop_depth=1
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BB5:
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start=28
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end=36
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successors(2) [BB6, BB7]
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predecessors(2) [BB3, BB4]
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dom_parent=BB2
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dom_depth=2
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dom_children [BB6, BB7]
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loop_header=BB2
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loop_depth=1
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BB6:
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start=37
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end=38
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successors(1) [BB2]
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predecessors(1) [BB5]
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dom_parent=BB5
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dom_depth=3
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loop_header=BB2
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loop_depth=1
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BB7:
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start=39
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2022-06-15 16:27:31 +02:00
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end=48
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2022-04-05 23:19:23 +02:00
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predecessors(1) [BB5]
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dom_parent=BB5
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dom_depth=3
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}
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