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75 lines
1.5 KiB
Plaintext
75 lines
1.5 KiB
Plaintext
--TEST--
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020: Translation out of SSA (Figure 1 from "Translating Out of Static Single Assignment Form" by Sreedhar)
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--ARGS--
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--save --dump-live-ranges --dump-cfg
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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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l_1 = START(l_12);
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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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bool d_4 = PARAM(l_1, "cond", 2);
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l_5 = IF(l_1, d_4);
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l_6 = IF_TRUE(l_5);
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l_7 = END(l_6);
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l_8 = IF_FALSE(l_5);
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l_9 = END(l_8);
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l_10 = MERGE(l_7, l_9);
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int32_t d_11 = PHI(l_10, d_3, d_2);
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l_12 = RETURN(l_10, d_11);
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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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l_1 = START(l_12);
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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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bool d_4 = PARAM(l_1, "cond", 2);
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l_5 = IF(l_1, d_4);
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l_6 = IF_TRUE(l_5);
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l_7 = END(l_6);
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l_8 = IF_FALSE(l_5);
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l_9 = END(l_8);
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l_10 = MERGE(l_7, l_9);
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int32_t d_11 = PHI(l_10, d_3, d_2);
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l_12 = RETURN(l_10, d_11);
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}
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{ # CFG
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BB1:
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start=1
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end=5
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successors(2) [BB2, BB4]
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dom_depth=0
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dom_children [BB2, BB4, BB3]
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BB2:
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start=6
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end=7
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successors(1) [BB3]
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predecessors(1) [BB1]
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dom_parent=BB1
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dom_depth=1
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mov R2 -> R1
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BB3:
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start=10
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end=12
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predecessors(2) [BB2, BB4]
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dom_parent=BB1
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dom_depth=1
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BB4:
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start=8
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end=9
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successors(1) [BB3]
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predecessors(1) [BB1]
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dom_parent=BB1
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dom_depth=1
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}
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{ # LIVE-RANGES (vregs_count=3)
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R1 (d_2, d_11): [2.2-6.0), [8.0-12.1), DEF(2.2), PHI_USE(9.2, phi=d_11/3), DEF(11.2), USE(12.1/2)
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R2 (d_3): [3.2-8.0), DEF(3.2), PHI_USE(7.2, phi=d_11/2)
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R3 (d_4): [4.2-5.1), DEF(4.2), USE(5.1/2)
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}
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