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91 lines
1.7 KiB
Plaintext
91 lines
1.7 KiB
Plaintext
--TEST--
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021: Translation out of SSA (Figure 7 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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int32_t c_4 = 1;
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l_1 = START(l_13);
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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_9);
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int32_t d_5 = PHI(l_4, d_2, d_6);
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int32_t d_6 = ADD(d_5, c_4);
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l_7 = IF(l_4, d_6);
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l_8 = IF_TRUE(l_7);
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l_9 = LOOP_END(l_8, l_4);
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l_10 = IF_FALSE(l_7);
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l_11 = LOOP_EXIT(l_10, l_4);
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l_12 = BEGIN(l_11);
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l_13 = RETURN(l_12, d_5);
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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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l_1 = START(l_13);
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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_9);
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int32_t d_5 = PHI(l_4, d_2, d_6);
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int32_t d_6 = ADD(d_5, c_4);
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l_7 = IF(l_4, d_6);
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l_8 = IF_TRUE(l_7);
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l_9 = LOOP_END(l_8, l_4);
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l_10 = IF_FALSE(l_7);
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l_11 = LOOP_EXIT(l_10, l_4);
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l_12 = BEGIN(l_11);
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l_13 = RETURN(l_12, d_5);
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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=3
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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=4
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end=7
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successors(2) [BB3, BB4]
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predecessors(2) [BB1, BB3]
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dom_parent=BB1
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dom_depth=1
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dom_children [BB3, BB4]
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LOOP_HEADER
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loop_depth=1
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BB3:
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start=8
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end=9
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successors(1) [BB2]
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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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mov R2 -> R1
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BB4:
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start=10
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end=11
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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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dom_children [BB5]
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BB5:
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start=12
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end=13
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predecessors(1) [BB4]
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dom_parent=BB4
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dom_depth=3
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}
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{ # LIVE-RANGES (vregs_count=2)
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R1 (d_2, d_5): [2.3-7.3), [10.0-13.2), DEF(2.3), DEF(5.3), USE(6.2/1), USE(13.2/2)
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R2 (d_6): [6.3-9.3), DEF(6.3), USE(7.2/2)
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}
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