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[fix] Fixed building of expressions with floats #119

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merged 1 commit into from
Sep 7, 2023
Merged

[fix] Fixed building of expressions with floats #119

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2 changes: 2 additions & 0 deletions lib/Solver/Z3BitvectorBuilder.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1059,6 +1059,8 @@ Z3ASTHandle Z3BitvectorBuilder::castToBitVector(const Z3ASTHandle &e) {
Z3SortHandle currentSort = Z3SortHandle(Z3_get_sort(ctx, e), ctx);
Z3_sort_kind kind = Z3_get_sort_kind(ctx, currentSort);
switch (kind) {
case Z3_BOOL_SORT:
return Z3ASTHandle(Z3_mk_ite(ctx, e, bvOne(1), bvZero(1)), ctx);
case Z3_BV_SORT:
// Already a bitvector
return e;
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35 changes: 35 additions & 0 deletions test/regression/2023-09-05-bool-to-fp.c
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@@ -0,0 +1,35 @@
// RUN: %clang %s -g -emit-llvm %O0opt -c -o %t1.bc
// RUN: rm -rf %t.klee-out
// RUN: %klee --optimize --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s

#include "klee/klee.h"

extern void abort(void);
extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__((__nothrow__, __leaf__)) __attribute__((__noreturn__));
void reach_error() { __assert_fail("0", "float3.c", 3, "reach_error"); }

double d = 0.0;

void f1() {
d = 1.0;
}

int main() {
int x = 2;

if (klee_int("a"))
x = 4;

(void)f1();

d += (x == 2);

d += (x > 3);

if (!(d == 2.0)) {
reach_error();
abort();
}
}

// CHECK: KLEE: done: generated tests = 1
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