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#include <cassert>
#include <iostream>
#include <ir/utils.h>
using namespace wasm;
#define assertEqual(left, right) \
assert(ExpressionAnalyzer::hash(&left) == ExpressionAnalyzer::hash(&right));
#define assertNotEqual(left, right) \
assert(ExpressionAnalyzer::hash(&left) != ExpressionAnalyzer::hash(&right));
#define assertShallowEqual(left, right) \
assert(ExpressionAnalyzer::shallowHash(&left) == \
ExpressionAnalyzer::shallowHash(&right));
#define assertShallowNotEqual(left, right) \
assert(ExpressionAnalyzer::shallowHash(&left) != \
ExpressionAnalyzer::shallowHash(&right));
int main() {
{
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(10)));
assertEqual(x, y);
}
{
// The value matters (with extremely high probability...)
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(11)));
assertNotEqual(x, y);
}
{
// The type matters.
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int64_t(10)));
assertNotEqual(x, y);
}
{
// Nested identical child.
Drop dx, dy;
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(10)));
dx.value = &x;
dy.value = &y;
assertEqual(dx, dy);
}
{
// Nested identical child, checked shallowly.
Drop dx, dy;
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(10)));
dx.value = &x;
dy.value = &y;
assertShallowEqual(dx, dy);
}
{
// Nested different child.
Drop dx, dy;
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(11)));
dx.value = &x;
dy.value = &y;
assertNotEqual(dx, dy);
}
{
// Nested different child, checked shallowly (so we ignore the difference,
// and return equal).
Drop dx, dy;
Const x, y;
x.set(Literal(int32_t(10)));
y.set(Literal(int32_t(11)));
dx.value = &x;
dy.value = &y;
assertShallowEqual(dx, dy);
}
MixedArena arena;
{
// Blocks
Block x(arena);
Block y(arena);
assertEqual(x, y);
}
{
// Blocks with contents.
Block x(arena);
Block y(arena);
Nop n;
y.list.push_back(&n);
assertNotEqual(x, y);
}
{
// Blocks with names.
Block x(arena);
x.name = "foo";
Block y(arena);
y.name = "foo";
assertEqual(x, y);
}
{
// Different block names hash equally - we ignore internal name differences
// intentionally.
Block x(arena);
x.name = "foo";
Block y(arena);
y.name = "bar";
assertEqual(x, y);
}
{
// Different br names are checked relatively as well.
Break x;
x.name = "foo";
Break y;
y.name = "bar";
Block z(arena);
z.name = "foo";
z.list.push_back(&x);
Block w(arena);
w.name = "bar";
w.list.push_back(&y);
Block outer1(arena);
outer1.name = "outer1";
outer1.list.push_back(&z);
Block outer2(arena);
outer2.name = "outer2";
outer2.list.push_back(&w);
assertEqual(outer1, outer2);
}
{
// But referring to different relative names leads to a difference.
Break x;
x.name = "outer1"; // instead of x, go to the outer label this time
Break y;
y.name = "bar";
Block z(arena);
z.name = "foo";
z.list.push_back(&x);
Block w(arena);
w.name = "bar";
w.list.push_back(&y);
Block outer1(arena);
outer1.name = "outer1";
outer1.list.push_back(&z);
Block outer2(arena);
outer2.name = "outer2";
outer2.list.push_back(&w);
assertNotEqual(outer1, outer2);
}
{
// Indexes.
LocalGet x, y;
x.index = 10;
y.index = 10;
assertEqual(x, y);
}
{
// Indexes.
LocalGet x, y;
x.index = 10;
y.index = 11;
assertNotEqual(x, y);
}
{
// It is ok to hash something that refers to an unknown name, like a break
// without the outside context that it branches to. And different names
// should have different hashes.
Break x;
x.name = "foo";
Break y;
y.name = "bar";
assertNotEqual(x, y);
}
std::cout << "success.\n";
}
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