Author: ziangwan725
Date: Wed Jul 31 18:39:21 2019
New Revision: 367502
URL: http://llvm.org/viewvc/llvm-project?rev=367502&view=rev
Log:
[Sema] Enable -Wimplicit-float-conversion for integral to floating point
precision loss
Fix one test case for it to be system-independent.
Modified:
cfe/trunk/test/Sema/implicit-int-float-conversion.c
Modified: cfe/trunk/test/Sema/implicit-int-float-conversion.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/implicit-int-float-conversion.c?rev=367502&r1=367501&r2=367502&view=diff
==============================================================================
--- cfe/trunk/test/Sema/implicit-int-float-conversion.c (original)
+++ cfe/trunk/test/Sema/implicit-int-float-conversion.c Wed Jul 31 18:39:21 2019
@@ -8,13 +8,8 @@ void testAssignment() {
float f = 222222;
double b = 222222222222L;
-#ifndef __ILP32__
- float ff = 222222222222L; // expected-warning {{implicit conversion from
'long' to 'float' changes value from 222222222222 to 222222221312}}
- float ffff = 222222222222UL; // expected-warning {{implicit conversion from
'unsigned long' to 'float' changes value from 222222222222 to 222222221312}}
-#else
- float ff = 222222222222L; // expected-warning {{implicit conversion from
'long long' to 'float' changes value from 222222222222 to 222222221312}}
- float ffff = 222222222222UL; // expected-warning {{implicit conversion from
'unsigned long long' to 'float' changes value from 222222222222 to
222222221312}}
-#endif
+ float ff = 222222222222L; // expected-warning {{changes value from
222222222222 to 222222221312}}
+ float ffff = 222222222222UL; // expected-warning {{changes value from
222222222222 to 222222221312}}
long l = 222222222222L;
float fff = l; // expected-warning {{implicit conversion from 'long' to
'float' may lose precision}}
@@ -23,11 +18,7 @@ void testAssignment() {
void testExpression() {
float a = 0.0f;
-#ifndef __ILP32__
- float b = 222222222222L + a; // expected-warning {{implicit conversion from
'long' to 'float' changes value from 222222222222 to 222222221312}}
-#else
- float b = 222222222222L + a; // expected-warning {{implicit conversion from
'long long' to 'float' changes value from 222222222222 to 222222221312}}
-#endif
+ float b = 222222222222L + a; // expected-warning {{changes value from
222222222222 to 222222221312}}
float g = 22222222 + 22222222;
float c = 22222222 + 22222223; // expected-warning {{implicit conversion
from 'int' to 'float' changes value from 44444445 to 44444444}}
@@ -42,11 +33,7 @@ void testExpression() {
void testCNarrowing() {
// Since this is a C file. C++11 narrowing is not in effect.
// In this case, we should issue warnings.
-#ifndef __ILP32__
- float a = {222222222222L}; // expected-warning {{implicit conversion from
'long' to 'float' changes value from 222222222222 to 222222221312}}
-#else
- float a = {222222222222L}; // expected-warning {{implicit conversion from
'long long' to 'float' changes value from 222222222222 to 222222221312}}
-#endif
+ float a = {222222222222L}; // expected-warning {{changes value from
222222222222 to 222222221312}}
long b = 222222222222L;
float c = {b}; // expected-warning {{implicit conversion from 'long' to
'float' may lose precision}}
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