// RUN: rm -f %t4.out %t4.err %t4.log // RUN: %llvmgcc %s -emit-llvm -O2 -c -o %t1.bc // RUN: llvm-as -f ../_utils._ll -o %t2.bc // RUN: llvm-ld -disable-opt -link-as-library %t1.bc %t2.bc -o %t3.bc // RUN: %klee --log-file %t4.log --debug-check-for-implied-values %t3.bc > %t4.out 2> %t4.err // RUN: ls klee-last | not grep .err // RUN: not grep "(missed)" %t4.log #include #include "utils.h" int main() { unsigned char which; volatile unsigned char a,b,c,d,e,f,g,h; klee_make_symbolic(&which, sizeof which); klee_make_symbolic(&a, sizeof a); klee_make_symbolic(&b, sizeof b); klee_make_symbolic(&c, sizeof c); klee_make_symbolic(&d, sizeof d); klee_make_symbolic(&e, sizeof e); klee_make_symbolic(&f, sizeof f); klee_make_symbolic(&g, sizeof g); klee_make_symbolic(&h, sizeof h); switch (which) { // RUN: grep "simple read(2) = value case" %t4.out case 0: if (a == 2) { assert(!klee_is_symbolic(a)); printf("simple read(%d) = value case\n", a); } break; // RUN: grep "select(0) has distinct constant result case (false)" %t4.out case 1: if (util_make_select(a, 12, 14) == 14) { assert(!klee_is_symbolic(a)); printf("select(%d) has distinct constant result case (false)\n", a); } break; // RUN: grep "select(0) has distinct constant result case (true)" %t4.out case 2: if (util_make_select(!a, 12, 14) == 12) { assert(!klee_is_symbolic(a)); printf("select(%d) has distinct constant result case (true)\n", a); } break; // RUN: grep "concat2(0xBE,0xEF) = value case" %t4.out case 3: if (util_make_concat2(a,b) == 0xBEEF) { assert(!klee_is_symbolic(a)); assert(!klee_is_symbolic(b)); printf("concat2(0x%X,0x%X) = value case\n", a, b); } break; // RUN: grep "concat4(0xDE,0xAD,0xBE,0xEF) = value case" %t4.out case 4: if (util_make_concat4(a,b,c,d) == 0xDEADBEEF) { assert(!klee_is_symbolic(a)); assert(!klee_is_symbolic(b)); assert(!klee_is_symbolic(c)); assert(!klee_is_symbolic(d)); printf("concat4(0x%X,0x%X,0x%X,0x%X) = value case\n", a, b, c, d); } break; // RUN: grep "concat8(0xDE,0xAD,0xBE,0xEF,0xAB,0xCD,0xAB,0xCD) = value case" %t4.out case 5: if (util_make_concat8(a,b,c,d,e,f,g,h) == 0xDEADBEEFABCDABCDLL) { assert(!klee_is_symbolic(a)); assert(!klee_is_symbolic(b)); assert(!klee_is_symbolic(c)); assert(!klee_is_symbolic(d)); assert(!klee_is_symbolic(e)); assert(!klee_is_symbolic(f)); assert(!klee_is_symbolic(g)); assert(!klee_is_symbolic(h)); printf("concat8(0x%X,0x%X,0x%X,0x%X,0x%X,0x%X,0x%X,0x%X) = value case\n", a, b, c, d, e, f, g, h); } break; // RUN: grep "and(0,0) = true case" %t4.out case 6: if (util_make_and_i1(!a, !b)) { assert(!klee_is_symbolic(a)); assert(!klee_is_symbolic(b)); printf("and(%d,%d) = true case\n", a, b); } break; // RUN: grep "or(0,0) = false case" %t4.out case 7: if (!util_make_or_i1(a, b)) { assert(!klee_is_symbolic(a)); assert(!klee_is_symbolic(b)); printf("or(%d,%d) = false case\n", a, b); } break; // we use concat to prevent folding, will need to fix if that gets // partial evaluated // RUN: grep "add constant case: 0xDE" %t4.out case 8: if (util_make_concat2(a+0xCD,0xCD) == 0xABCD) { assert(!klee_is_symbolic(a)); printf("add constant case: 0x%X\n", a); } break; // RUN: grep "sub constant case: 0x60" %t4.out case 9: if (util_make_concat2(0x0B-a,0xCD) == 0xABCD) { assert(!klee_is_symbolic(a)); printf("sub constant case: 0x%X\n", a); } break; // RUN: grep "xor constant case: 0xA0" %t4.out case 10: if (util_make_concat2(0x0B ^ a,0xCD) == 0xABCD) { assert(!klee_is_symbolic(a)); printf("xor constant case: 0x%X\n", a); } break; // RUN: grep "sext constant case: 244" %t4.out case 11: if (! util_make_or_i1(((short) (signed char) a) + 12,b)) { assert(!klee_is_symbolic(a)); printf("sext constant case: %d\n", a); } break; default: break; } return 0; }