54 lines · cpp
1// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -verify %s -Wabsolute-value2// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only %s -Wabsolute-value -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s3 4extern "C" {5 int abs(int);6 float fabsf(float);7}8 9namespace std {10 int abs(int);11 float abs(float);12}13 14void test(long long ll, double d, int i, float f) {15 // Suggest including cmath16 (void)abs(d);17 // expected-warning@-1{{using integer absolute value function 'abs' when argument is of floating point type}}18 // expected-note@-2{{use function 'std::abs' instead}}19 // expected-note@-3{{include the header <cmath> or explicitly provide a declaration for 'std::abs'}}20 // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:9-[[@LINE-4]]:12}:"std::abs"21 22 (void)fabsf(d);23 // expected-warning@-1{{absolute value function 'fabsf' given an argument of type 'double' but has parameter of type 'float' which may cause truncation of value}}24 // expected-note@-2{{use function 'std::abs' instead}}25 // expected-note@-3{{include the header <cmath> or explicitly provide a declaration for 'std::abs'}}26 // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:9-[[@LINE-4]]:14}:"std::abs"27 28 // Suggest including cstdlib29 (void)abs(ll);30 // expected-warning@-1{{absolute value function 'abs' given an argument of type 'long long' but has parameter of type 'int' which may cause truncation of value}}31 // expected-note@-2{{use function 'std::abs' instead}}32 // expected-note@-3{{include the header <cstdlib> or explicitly provide a declaration for 'std::abs'}}33 // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:9-[[@LINE-4]]:12}:"std::abs"34 (void)fabsf(ll);35 // expected-warning@-1{{using floating point absolute value function 'fabsf' when argument is of integer type}}36 // expected-note@-2{{use function 'std::abs' instead}}37 // expected-note@-3{{include the header <cstdlib> or explicitly provide a declaration for 'std::abs'}}38 // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:9-[[@LINE-4]]:14}:"std::abs"39 40 // Proper function already called, no warnings.41 (void)abs(i);42 (void)fabsf(f);43 44 // Declarations found, suggest name change.45 (void)fabsf(i);46 // expected-warning@-1{{using floating point absolute value function 'fabsf' when argument is of integer type}}47 // expected-note@-2{{use function 'std::abs' instead}}48 // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:9-[[@LINE-3]]:14}:"std::abs"49 (void)abs(f);50 // expected-warning@-1{{using integer absolute value function 'abs' when argument is of floating point type}}51 // expected-note@-2{{use function 'std::abs' instead}}52 // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:9-[[@LINE-3]]:12}:"std::abs"53}54