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// RUN: %clang %s -emit-llvm %O0opt -g -c -o %t1.bc
// RUN: rm -rf %t.klee-out
// NOTE: Have to pass `--optimize=false` to avoid vector operations being
// optimized away.
// RUN: %klee --output-dir=%t.klee-out --optimize=false --exit-on-error %t1.bc
#include "klee/klee.h"
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
typedef uint32_t v4ui __attribute__((vector_size(16)));
#define ASSERT_EL(C, OP, A, B, INDEX) assert(C[INDEX] == (A[INDEX] OP B[INDEX]))
#define ASSERT_ELV4(C, OP, A, B) \
do { \
ASSERT_EL(C, OP, A, B, 0); \
ASSERT_EL(C, OP, A, B, 1); \
ASSERT_EL(C, OP, A, B, 2); \
ASSERT_EL(C, OP, A, B, 3); \
} while (0);
#define ASSERT_EL_TRUTH(C, OP, A, B, INDEX) \
assert(C[INDEX] ? (A[INDEX] OP B[INDEX]) : (!(A[INDEX] OP B[INDEX])))
#define ASSERT_EL_TRUTH_V4(C, OP, A, B) \
do { \
ASSERT_EL_TRUTH(C, OP, A, B, 0); \
ASSERT_EL_TRUTH(C, OP, A, B, 1); \
ASSERT_EL_TRUTH(C, OP, A, B, 2); \
ASSERT_EL_TRUTH(C, OP, A, B, 3); \
} while (0);
#define ASSERT_EL_TERNARY_SCALAR_CONDITION(C, CONDITION, A, B, INDEX) \
assert(C[INDEX] == (CONDITION ? A[INDEX] : B[INDEX]))
#define ASSERT_EL_TERNARY_SCALAR_CONDITION_V4(C, CONDITION, A, B) \
do { \
ASSERT_EL_TERNARY_SCALAR_CONDITION(C, CONDITION, A, B, 0); \
ASSERT_EL_TERNARY_SCALAR_CONDITION(C, CONDITION, A, B, 1); \
ASSERT_EL_TERNARY_SCALAR_CONDITION(C, CONDITION, A, B, 2); \
ASSERT_EL_TERNARY_SCALAR_CONDITION(C, CONDITION, A, B, 3); \
} while (0);
int main() {
uint32_t data[8];
klee_make_symbolic(&data, sizeof(data), "unsigned_data");
v4ui a = {data[0], data[1], data[2], data[3]};
v4ui b = {data[4], data[5], data[6], data[7]};
// Test addition
v4ui c = a + b;
ASSERT_ELV4(c, +, a, b);
// Test subtraction
c = b - a;
ASSERT_ELV4(c, -, b, a);
// Test multiplication
c = a * b;
ASSERT_ELV4(c, *, a, b);
// Test division
// We do not use && on purpose = make klee fork exactly once
if ((data[4] != 0) & (data[5] != 0) & (data[6] != 0) & (data[7] != 0)) {
c = a / b;
ASSERT_ELV4(c, /, a, b);
// Test mod
c = a % b;
ASSERT_ELV4(c, %, a, b);
return 0;
}
// Test bitwise and
c = a & b;
ASSERT_ELV4(c, &, a, b);
// Test bitwise or
c = a | b;
ASSERT_ELV4(c, |, a, b);
// Test bitwise xor
c = a ^ b;
ASSERT_ELV4(c, ^, a, b);
// Test left shift
// no '&&', the same as above
if (((data[0]) < 32) & (data[1] < 32) & (data[2] < 32) & (data[3] < 32)) {
c = b << a;
ASSERT_ELV4(c, <<, b, a);
// Test logic right shift
c = b >> a;
ASSERT_ELV4(c, >>, b, a);
return 0;
}
// NOTE: Can't use `ASSERT_ELV4` due to semantics
// of GCC vector extensions. See
// https://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html
// Test ==
c = a == b;
ASSERT_EL_TRUTH_V4(c, ==, a, b);
// Test <
c = a < b;
ASSERT_EL_TRUTH_V4(c, <, a, b);
// Test <=
c = a <= b;
ASSERT_EL_TRUTH_V4(c, <=, a, b);
// Test >
c = a > b;
ASSERT_EL_TRUTH_V4(c, >, a, b);
// Test >=
c = a > b;
ASSERT_EL_TRUTH_V4(c, >, a, b);
// Test !=
c = a != b;
ASSERT_EL_TRUTH_V4(c, !=, a, b);
// Test ternary operator
int condition = 0;
klee_make_symbolic(&condition, sizeof(condition), "unsigned_condition");
c = condition ? a : b;
ASSERT_EL_TERNARY_SCALAR_CONDITION_V4(c, condition, a, b);
return 0;
}
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