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89 lines
1.4 KiB
Plaintext
89 lines
1.4 KiB
Plaintext
--TEST--
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010: SCCP (Figure 3.9 from "Combining Analyses, Combining Optimization" by C.Click)
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--ARGS--
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--dump-use-lists --dump-cfg-map --save --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 = 2;
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l_1 = START(l_20);
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bool d_2 = PARAM(l_1, "cond", 0);
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bool d_3 = COPY(c_4);
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l_4 = END(l_1);
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l_5 = LOOP_BEGIN(l_4, l_18);
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int32_t d_6 = PHI(l_5, d_3, d_15);
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bool d_7 = NE(d_6, c_4);
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l_8 = IF(l_5, d_7);
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l_9 = IF_TRUE(l_8);
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int32_t d_10 = COPY(c_5);
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l_11 = END(l_9);
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l_12 = IF_FALSE(l_8);
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l_13 = END(l_12);
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l_14 = MERGE(l_11, l_13);
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int32_t d_15 = PHI(l_14, d_10, d_6);
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l_16 = IF(l_14, d_2);
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l_17 = IF_TRUE(l_16);
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l_18 = LOOP_END(l_17, l_5);
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l_19 = IF_FALSE(l_16);
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l_20 = RETURN(l_19, d_15);
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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 = 1;
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int32_t c_5 = 2;
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l_1 = START(l_18);
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bool d_2 = PARAM(l_1, "cond", 0);
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l_3 = END(l_1);
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l_4 = LOOP_BEGIN(l_3, l_16);
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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l_14 = IF(l_4, d_2);
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l_15 = IF_TRUE(l_14);
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l_16 = LOOP_END(l_15, l_4);
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l_17 = IF_FALSE(l_14);
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l_18 = RETURN(l_17, c_4);
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}
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{ # Use Lists
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00001(2): [00002, 00003]
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00002(1): [00014]
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00003(1): [00004]
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00004(1): [00014]
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00014(2): [00015, 00017]
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00015(1): [00016]
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00016(1): [00004]
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00017(1): [00018]
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}
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{ # CFG map (insn -> bb)
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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 -> 0
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6 -> 0
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7 -> 0
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8 -> 0
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9 -> 0
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10 -> 0
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11 -> 0
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12 -> 0
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13 -> 0
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14 -> 2
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15 -> 3
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16 -> 3
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17 -> 4
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18 -> 4
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}
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