2022-04-05 23:19:23 +02:00
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--TEST--
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007: GCM for simple loop (Figure 7 from "Global Code Motion Global Value Numbering" by Cliff Click)
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--ARGS--
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2022-05-25 08:33:47 +02:00
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--dump-cfg-map --save --dump-after-gcm
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2022-04-05 23:19:23 +02:00
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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 = 10;
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int32_t c_5 = 2;
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int32_t c_6 = 1;
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int32_t c_7 = 0;
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l_1 = START(l_16);
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int32_t d_2 = PARAM(l_1, "x", 0);
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l_3 = END(l_1);
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l_4 = LOOP_BEGIN(l_3, l_12);
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int32_t d_5 = PHI(l_4, c_7, d_7);
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int32_t d_6 = ADD(d_2, c_6);
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int32_t d_7 = ADD(d_6, d_5);
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int32_t d_8 = MUL(d_7, c_5);
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bool d_9 = LT(d_7, c_4);
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l_10 = IF(l_4, d_9);
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l_11 = IF_TRUE(l_10);
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l_12 = LOOP_END(l_11, l_4);
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l_13 = IF_FALSE(l_10);
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l_14 = LOOP_EXIT(l_13, l_4);
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l_15 = BEGIN(l_14);
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l_16 = RETURN(l_15, d_8);
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}
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--EXPECT--
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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 = 10;
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int32_t c_5 = 2;
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int32_t c_6 = 1;
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int32_t c_7 = 0;
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l_1 = START(l_16);
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int32_t d_2 = PARAM(l_1, "x", 0);
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l_3 = END(l_1);
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l_4 = LOOP_BEGIN(l_3, l_12);
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int32_t d_5 = PHI(l_4, c_7, d_7);
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int32_t d_6 = ADD(d_2, c_6);
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int32_t d_7 = ADD(d_6, d_5);
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int32_t d_8 = ADD(d_7, d_7);
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bool d_9 = LT(d_7, c_4);
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l_10 = IF(l_4, d_9);
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l_11 = IF_TRUE(l_10);
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l_12 = LOOP_END(l_11, l_4);
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l_13 = IF_FALSE(l_10);
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l_14 = LOOP_EXIT(l_13, l_4);
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l_15 = BEGIN(l_14);
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l_16 = RETURN(l_15, d_8);
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}
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2022-05-25 08:33:47 +02:00
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{ # CFG map (insn -> bb)
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2022-04-05 23:19:23 +02:00
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1 -> 1
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2 -> 1
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3 -> 1
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4 -> 2
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5 -> 2
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6 -> 1
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7 -> 2
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8 -> 5
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9 -> 2
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10 -> 2
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11 -> 3
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12 -> 3
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13 -> 4
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14 -> 4
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15 -> 5
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16 -> 5
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}
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