llvm-project

Commit Graph

Author	SHA1	Message	Date
Chris Lattner	a08f869c22	Fix PR2279 part C: shifts don't perform the UACs, thanks to Neil for pointing this out. llvm-svn: 50624	2008-05-04 18:25:32 +00:00
Chris Lattner	99ca091b9c	Warn when performing 'usual' conversions that require a sign change. This implements test/Preprocessor/expr_usual_conversions.c, which produces this output: expr_usual_conversions.c:5:10: warning: left side of operator converted from negative value to unsigned: -42 to 18446744073709551574 #if (-42 + 0U) / -2 ^ expr_usual_conversions.c:5:16: warning: right side of operator converted from negative value to unsigned: -2 to 18446744073709551614 #if (-42 + 0U) / -2 ^ llvm-svn: 39406	2007-04-11 04:14:45 +00:00

Author

SHA1

Message

Date

Chris Lattner

a08f869c22

Fix PR2279 part C: shifts don't perform the UACs, thanks to Neil

for pointing this out.

llvm-svn: 50624

2008-05-04 18:25:32 +00:00

Chris Lattner

99ca091b9c

Warn when performing 'usual' conversions that require a sign change. This

implements test/Preprocessor/expr_usual_conversions.c, which produces this
output:

expr_usual_conversions.c:5:10: warning: left side of operator converted from negative value to unsigned: -42 to 18446744073709551574
#if (-42 + 0U) / -2
         ^
expr_usual_conversions.c:5:16: warning: right side of operator converted from negative value to unsigned: -2 to 18446744073709551614
#if (-42 + 0U) / -2
               ^

llvm-svn: 39406

2007-04-11 04:14:45 +00:00

2 Commits