forked from OSchip/llvm-project
205 lines
9.0 KiB
C
205 lines
9.0 KiB
C
// RUN: %clang_cc1 -fsyntax-only -Wlogical-not-parentheses -verify %s
|
|
// RUN: %clang_cc1 -fsyntax-only -Wlogical-not-parentheses -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
|
|
|
|
int getInt();
|
|
|
|
int test1(int i1, int i2) {
|
|
int ret;
|
|
|
|
ret = !i1 == i2;
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:18-[[line]]:18}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = !i1 != i2;
|
|
//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:18-[[line]]:18}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = !i1 < i2;
|
|
//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:17-[[line]]:17}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = !i1 > i2;
|
|
//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:17-[[line]]:17}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = !i1 <= i2;
|
|
//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:18-[[line]]:18}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = !i1 >= i2;
|
|
//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:18-[[line]]:18}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:12-[[line]]:12}:")"
|
|
|
|
ret = i1 == i2;
|
|
ret = i1 != i2;
|
|
ret = i1 < i2;
|
|
ret = i1 > i2;
|
|
ret = i1 <= i2;
|
|
ret = i1 >= i2;
|
|
|
|
// Warning silenced by parens.
|
|
ret = (!i1) == i2;
|
|
ret = (!i1) != i2;
|
|
ret = (!i1) < i2;
|
|
ret = (!i1) > i2;
|
|
ret = (!i1) <= i2;
|
|
ret = (!i1) >= i2;
|
|
|
|
ret = !getInt() == i1;
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:24-[[line]]:24}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:18-[[line]]:18}:")"
|
|
|
|
ret = (!getInt()) == i1;
|
|
return ret;
|
|
}
|
|
|
|
enum E {e1, e2};
|
|
enum E getE();
|
|
|
|
int test2 (enum E e) {
|
|
int ret;
|
|
ret = e == e1;
|
|
ret = e == getE();
|
|
ret = getE() == e1;
|
|
ret = getE() == getE();
|
|
|
|
ret = !e == e1;
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:17-[[line]]:17}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:11-[[line]]:11}:")"
|
|
|
|
ret = !e == getE();
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:21-[[line]]:21}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:11-[[line]]:11}:")"
|
|
|
|
ret = !getE() == e1;
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:22-[[line]]:22}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:16-[[line]]:16}:")"
|
|
|
|
ret = !getE() == getE();
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:9: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:10-[[line]]:10}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:26-[[line]]:26}:")"
|
|
// CHECK: to silence this warning
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:9-[[line]]:9}:"("
|
|
// CHECK: fix-it:"{{.*}}":{[[line]]:16-[[line]]:16}:")"
|
|
|
|
ret = !(e == e1);
|
|
ret = !(e == getE());
|
|
ret = !(getE() == e1);
|
|
ret = !(getE() == getE());
|
|
|
|
ret = (!e) == e1;
|
|
ret = (!e) == getE();
|
|
ret = (!getE()) == e1;
|
|
ret = (!getE()) == getE();
|
|
|
|
return ret;
|
|
}
|
|
|
|
int PR16673(int x) {
|
|
int ret;
|
|
// Make sure we don't emit a fixit for the left paren, but not the right paren.
|
|
#define X(x) x
|
|
ret = X(!x == 1 && 1);
|
|
// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
|
|
// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
|
|
// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
|
|
// CHECK: warn-logical-not-compare.c:[[line:[0-9]*]]:11: warning
|
|
// CHECK: to evaluate the comparison first
|
|
// CHECK-NOT: fix-it
|
|
// CHECK: to silence this warning
|
|
// CHECK-NOT: fix-it
|
|
return ret;
|
|
}
|
|
|
|
int compare_pointers(int* a, int* b) {
|
|
int ret;
|
|
ret = !!a == !!b;
|
|
ret = !!a != !!b;
|
|
return ret;
|
|
}
|