mirror of
https://github.com/danog/ir.git
synced 2024-11-30 04:39:43 +01:00
73 lines
1.3 KiB
Plaintext
73 lines
1.3 KiB
Plaintext
|
--TEST--
|
||
|
|
006: CFG for simple loop (Figure 1 from "Global Code Motion Global Value Numbering" by Cliff Click)
|
||
|
|
--ARGS--
|
||
|
|
--dump-cfg --dump-after-gcm
|
||
|
|
--CODE--
|
||
|
|
{
|
||
|
|
uintptr_t c_1 = 0;
|
||
|
|
bool c_2 = 0;
|
||
|
|
bool c_3 = 1;
|
||
|
|
int32_t c_4 = 10;
|
||
|
|
int32_t c_5 = 2;
|
||
|
|
int32_t c_6 = 1;
|
||
|
|
int32_t c_7 = 0;
|
||
|
|
l_1 = START(l_16);
|
||
|
|
int32_t d_2 = PARAM(l_1, "x", 0);
|
||
|
|
l_3 = END(l_1);
|
||
|
|
l_4 = LOOP_BEGIN(l_3, l_12);
|
||
|
|
int32_t d_5 = PHI(l_4, c_7, d_7);
|
||
|
|
int32_t d_6 = ADD(d_2, c_6);
|
||
|
|
int32_t d_7 = ADD(d_6, d_5);
|
||
|
|
int32_t d_8 = MUL(d_7, c_5);
|
||
|
|
bool d_9 = LT(d_7, c_4);
|
||
|
|
l_10 = IF(l_4, d_9);
|
||
|
|
l_11 = IF_TRUE(l_10);
|
||
|
|
l_12 = LOOP_END(l_11, l_4);
|
||
|
|
l_13 = IF_FALSE(l_10);
|
||
|
|
l_14 = LOOP_EXIT(l_13, l_4);
|
||
|
|
l_15 = BEGIN(l_14);
|
||
|
|
l_16 = RETURN(l_15, d_8);
|
||
|
|
}
|
||
|
|
--EXPECT--
|
||
|
|
{ # CFG
|
||
|
|
BB1:
|
||
|
|
start=1
|
||
|
|
end=3
|
||
|
|
successors(1) [BB2]
|
||
|
|
dom_depth=0
|
||
|
|
dom_children [BB2]
|
||
|
|
BB2:
|
||
|
|
start=4
|
||
|
|
end=10
|
||
|
|
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=11
|
||
|
|
end=12
|
||
|
|
successors(1) [BB2]
|
||
|
|
predecessors(1) [BB2]
|
||
|
|
dom_parent=BB2
|
||
|
|
dom_depth=2
|
||
|
|
loop_header=BB2
|
||
|
|
loop_depth=1
|
||
|
|
BB4:
|
||
|
|
start=13
|
||
|
|
end=14
|
||
|
|
successors(1) [BB5]
|
||
|
|
predecessors(1) [BB2]
|
||
|
|
dom_parent=BB2
|
||
|
|
dom_depth=2
|
||
|
|
dom_children [BB5]
|
||
|
|
BB5:
|
||
|
|
start=15
|
||
|
|
end=16
|
||
|
|
predecessors(1) [BB4]
|
||
|
|
dom_parent=BB4
|
||
|
|
dom_depth=3
|
||
|
|
}
|