forked from OSchip/llvm-project
180 lines
7.2 KiB
C++
180 lines
7.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -Wlogical-not-parentheses -verify %s
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// RUN: %clang_cc1 -fsyntax-only -Wlogical-not-parentheses -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
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bool getBool();
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int getInt();
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bool test1(int i1, int i2, bool b1, bool b2) {
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bool ret;
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ret = !i1 == i2;
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{10:10-10:10}:"("
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// CHECK: fix-it:"{{.*}}":{10:18-10:18}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{10:9-10:9}:"("
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// CHECK: fix-it:"{{.*}}":{10:12-10:12}:")"
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ret = !i1 != i2;
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//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{21:10-21:10}:"("
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// CHECK: fix-it:"{{.*}}":{21:18-21:18}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{21:9-21:9}:"("
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// CHECK: fix-it:"{{.*}}":{21:12-21:12}:")"
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ret = !i1 < i2;
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//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{32:10-32:10}:"("
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// CHECK: fix-it:"{{.*}}":{32:17-32:17}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{32:9-32:9}:"("
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// CHECK: fix-it:"{{.*}}":{32:12-32:12}:")"
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ret = !i1 > i2;
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//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{43:10-43:10}:"("
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// CHECK: fix-it:"{{.*}}":{43:17-43:17}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{43:9-43:9}:"("
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// CHECK: fix-it:"{{.*}}":{43:12-43:12}:")"
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ret = !i1 <= i2;
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//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{54:10-54:10}:"("
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// CHECK: fix-it:"{{.*}}":{54:18-54:18}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{54:9-54:9}:"("
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// CHECK: fix-it:"{{.*}}":{54:12-54:12}:")"
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ret = !i1 >= i2;
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//expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{65:10-65:10}:"("
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// CHECK: fix-it:"{{.*}}":{65:18-65:18}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{65:9-65:9}:"("
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// CHECK: fix-it:"{{.*}}":{65:12-65:12}:")"
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ret = i1 == i2;
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ret = i1 != i2;
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ret = i1 < i2;
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ret = i1 > i2;
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ret = i1 <= i2;
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ret = i1 >= i2;
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// Warning silenced by parens.
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ret = (!i1) == i2;
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ret = (!i1) != i2;
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ret = (!i1) < i2;
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ret = (!i1) > i2;
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ret = (!i1) <= i2;
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ret = (!i1) >= i2;
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ret = !b1 == b2;
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ret = !b1 != b2;
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ret = !b1 < b2;
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ret = !b1 > b2;
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ret = !b1 <= b2;
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ret = !b1 >= b2;
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ret = !getInt() == i1;
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{98:10-98:10}:"("
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// CHECK: fix-it:"{{.*}}":{98:24-98:24}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{98:9-98:9}:"("
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// CHECK: fix-it:"{{.*}}":{98:18-98:18}:")"
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ret = (!getInt()) == i1;
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ret = !getBool() == b1;
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return ret;
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}
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enum E {e1, e2};
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E getE();
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bool test2 (E e) {
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bool ret;
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ret = e == e1;
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ret = e == getE();
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ret = getE() == e1;
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ret = getE() == getE();
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ret = !e == e1;
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{124:10-124:10}:"("
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// CHECK: fix-it:"{{.*}}":{124:17-124:17}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{124:9-124:9}:"("
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// CHECK: fix-it:"{{.*}}":{124:11-124:11}:")"
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ret = !e == getE();
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{135:10-135:10}:"("
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// CHECK: fix-it:"{{.*}}":{135:21-135:21}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{135:9-135:9}:"("
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// CHECK: fix-it:"{{.*}}":{135:11-135:11}:")"
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ret = !getE() == e1;
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{146:10-146:10}:"("
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// CHECK: fix-it:"{{.*}}":{146:22-146:22}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{146:9-146:9}:"("
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// CHECK: fix-it:"{{.*}}":{146:16-146:16}:")"
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ret = !getE() == getE();
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// expected-warning@-1 {{logical not is only applied to the left hand side of this comparison}}
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// expected-note@-2 {{add parentheses after the '!' to evaluate the comparison first}}
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// expected-note@-3 {{add parentheses around left hand side expression to silence this warning}}
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// CHECK: to evaluate the comparison first
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// CHECK: fix-it:"{{.*}}":{157:10-157:10}:"("
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// CHECK: fix-it:"{{.*}}":{157:26-157:26}:")"
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// CHECK: to silence this warning
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// CHECK: fix-it:"{{.*}}":{157:9-157:9}:"("
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// CHECK: fix-it:"{{.*}}":{157:16-157:16}:")"
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ret = !(e == e1);
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ret = !(e == getE());
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ret = !(getE() == e1);
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ret = !(getE() == getE());
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ret = (!e) == e1;
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ret = (!e) == getE();
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ret = (!getE()) == e1;
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ret = (!getE()) == getE();
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return ret;
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}
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