mirror of
https://github.com/danog/ir.git
synced 2024-11-27 04:45:38 +01:00
100 lines
2.0 KiB
Plaintext
100 lines
2.0 KiB
Plaintext
--TEST--
|
|
022: Translation out of SSA (Figure 8 (swap problen) from "Translating Out of Static Single Assignment Form" by Sreedhar)
|
|
--ARGS--
|
|
--save --dump-live-ranges --dump-cfg
|
|
--CODE--
|
|
{
|
|
uintptr_t c_1 = 0;
|
|
bool c_2 = 0;
|
|
bool c_3 = 1;
|
|
int32_t c_4 = 1;
|
|
l_1 = START(l_13);
|
|
int32_t x1 = PARAM(l_1, "x", 0);
|
|
int32_t y1 = PARAM(l_1, "y", 1);
|
|
int32_t cond = PARAM(l_1, "z", 2);
|
|
l_3 = END(l_1);
|
|
l_4 = LOOP_BEGIN(l_3, l_9);
|
|
int32_t x2 = PHI(l_4, x1, x3);
|
|
int32_t y2 = PHI(l_4, y1, y3);
|
|
int32_t z = COPY(x2);
|
|
int32_t x3 = COPY(y2);
|
|
int32_t y3 = COPY(z);
|
|
l_7 = IF(l_4, cond);
|
|
l_8 = IF_TRUE(l_7);
|
|
l_9 = LOOP_END(l_8, l_4);
|
|
l_10 = IF_FALSE(l_7);
|
|
l_11 = LOOP_EXIT(l_10, l_4);
|
|
l_12 = BEGIN(l_11);
|
|
l_13 = RETURN(l_12, z);
|
|
}
|
|
--EXPECT--
|
|
{
|
|
uintptr_t c_1 = 0;
|
|
bool c_2 = 0;
|
|
bool c_3 = 1;
|
|
l_1 = START(l_15);
|
|
int32_t d_2 = PARAM(l_1, "x", 0);
|
|
int32_t d_3 = PARAM(l_1, "y", 1);
|
|
int32_t d_4 = PARAM(l_1, "z", 2);
|
|
l_5 = END(l_1);
|
|
l_6 = LOOP_BEGIN(l_5, l_11);
|
|
int32_t d_7 = PHI(l_6, d_2, d_8);
|
|
int32_t d_8 = PHI(l_6, d_3, d_7);
|
|
l_9 = IF(l_6, d_4);
|
|
l_10 = IF_TRUE(l_9);
|
|
l_11 = LOOP_END(l_10, l_6);
|
|
l_12 = IF_FALSE(l_9);
|
|
l_13 = LOOP_EXIT(l_12, l_6);
|
|
l_14 = BEGIN(l_13);
|
|
l_15 = RETURN(l_14, d_7);
|
|
}
|
|
{ # CFG
|
|
BB1:
|
|
start=1
|
|
end=5
|
|
successors(1) [BB2]
|
|
dom_depth=0
|
|
dom_children [BB2]
|
|
BB2:
|
|
start=6
|
|
end=9
|
|
successors(2) [BB3, BB4]
|
|
predecessors(2) [BB1, BB3]
|
|
dom_parent=BB1
|
|
dom_depth=1
|
|
dom_children [BB3, BB4]
|
|
LOOP_HEADER
|
|
loop_depth=1
|
|
BB3:
|
|
start=10
|
|
end=11
|
|
successors(1) [BB2]
|
|
predecessors(1) [BB2]
|
|
dom_parent=BB2
|
|
dom_depth=2
|
|
loop_header=BB2
|
|
loop_depth=1
|
|
mov R1 -> TMP
|
|
mov R2 -> R1
|
|
mov TMP -> R2
|
|
BB4:
|
|
start=12
|
|
end=13
|
|
successors(1) [BB5]
|
|
predecessors(1) [BB2]
|
|
dom_parent=BB2
|
|
dom_depth=2
|
|
dom_children [BB5]
|
|
BB5:
|
|
start=14
|
|
end=15
|
|
predecessors(1) [BB4]
|
|
dom_parent=BB4
|
|
dom_depth=3
|
|
}
|
|
{ # LIVE-RANGES (vregs_count=3)
|
|
R1 (d_2, d_7): [2.2-15.1), DEF(2.2), PHI_USE(5.2, phi=d_7/2), DEF(7.2), PHI_USE(11.2, phi=d_8/3), USE(15.1/2)
|
|
R2 (d_3, d_8): [3.2-12.0), DEF(3.2), PHI_USE(5.2, phi=d_8/2), DEF(8.2), PHI_USE(11.2, phi=d_7/3)
|
|
R3 (d_4): [4.2-12.0), DEF(4.2), USE(9.1/2)
|
|
}
|