ir/tests/007.irt

--TEST--
007: GCM for simple loop (Figure 7 from "Global Code Motion Global Value Numbering" by Cliff Click)
--ARGS--
--dump-cfg-map --save --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_14);
	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_13 = IF_FALSE(l_10);
	l_14 = RETURN(l_13, d_8);
}
--EXPECT--
{
	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_14);
	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 = ADD(d_7, d_7);
	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_13 = IF_FALSE(l_10);
	l_14 = RETURN(l_13, d_8);
}
{ # CFG map (insn -> bb)
1 -> 1
2 -> 1
3 -> 1
4 -> 2
5 -> 2
6 -> 1
7 -> 2
8 -> 4
9 -> 2
10 -> 2
11 -> 3
12 -> 3
13 -> 4
14 -> 4
}