ir/tests/c/dessa_003.irt
2022-06-15 17:27:31 +03:00

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--TEST--
DESSA 003
--ARGS--
--emit-c
--CODE--
# Figure 8 (swap problem) from "Translating Out of Static Single Assignment Form" by Sreedhar
{
uintptr_t c_1 = 0;
bool c_2 = 0;
bool c_3 = 1;
int32_t c_4 = 1;
int32_t c_12 = 12;
l_1 = START(l_11);
int32_t x0 = PARAM(l_1, "x", 0);
int32_t y1 = PARAM(l_1, "y", 1);
int32_t cond = PARAM(l_1, "z", 2);
int32_t x1 = DIV(x0, c_12);
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 = RETURN(l_10, z);
}
--EXPECT--
int32_t test(int32_t x, int32_t y, int32_t z)
{
int32_t d_1 = x;
int32_t d_2 = y;
int32_t d_3 = z;
int32_t d_4;
d_4 = d_1 / 12;
bb2:
if (!d_3) goto bb4;
tmp = d_4;
d_4 = d_2;
d_2 = tmp;
goto bb2;
bb4:
return d_4;
}