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17 Commits

Author SHA1 Message Date
Dan Gohman fb83b043eb Revert r111058, the lint check for indirectbr successors that aren't 
address-taken. This can occur normally, if the code which took the
address got DCEd.

llvm-svn: 111121
 2010-08-16 14:39:19 +00:00
Dan Gohman 21e6dc6aa3 Add a lint check for an indirectbr destination which has not 
had its address taken.

llvm-svn: 111058
 2010-08-13 23:56:28 +00:00
Dan Gohman d8968da2c5 Add a lint check for indirectbr with no successors. 
llvm-svn: 110074
 2010-08-02 23:06:43 +00:00
Dan Gohman c128e70ff2 Add a lint check for mismatched return types, inspired by PR6944. 
llvm-svn: 108162
 2010-07-12 18:02:04 +00:00
Dan Gohman 0fa67e479a Add lint checks for function attributes. 
llvm-svn: 105009
 2010-05-28 21:43:57 +00:00
Dan Gohman c575ec61ea Fix lint's memcpy and memmove checks, and its basic block traversal. 
llvm-svn: 104970
 2010-05-28 17:44:00 +00:00
Dan Gohman 862f034188 Detect self-referential values. 
llvm-svn: 104957
 2010-05-28 16:45:33 +00:00
Dan Gohman 672393f6c7 Remove this va_arg test, which is no longer applicable. 
llvm-svn: 104956
 2010-05-28 16:44:04 +00:00
Dan Gohman cef9fc37f4 Eli pointed out that va_arg instruction result values don't 
reference the stack.

llvm-svn: 104951
 2010-05-28 16:34:49 +00:00
Dan Gohman 54d7aaa819 Teach lint how to look through simple store+load pairs and other 
effective no-op constructs, to make it more effective on
unoptimized IR.

llvm-svn: 104950
 2010-05-28 16:21:24 +00:00
Dan Gohman ddba4b725a Add a lint check for returning the address of stack memory. 
llvm-svn: 104936
 2010-05-28 04:33:42 +00:00
Dan Gohman a20a5cd24f Reinstate checking of stackrestore, with checking for both Read 
and Write, and add a comment explaining this.

llvm-svn: 104756
 2010-05-26 22:21:25 +00:00
Dan Gohman 1249adf160 Implement checking of the tail keyword. 
llvm-svn: 104744
 2010-05-26 21:46:36 +00:00
Dan Gohman 299e7b93ac Add lint checks for invalid uses of memory. 
llvm-svn: 102733
 2010-04-30 19:05:00 +00:00
Dan Gohman 9ba08a4631 Add several more lint checks. 
llvm-svn: 100841
 2010-04-09 01:39:53 +00:00
Dan Gohman 7808d490d3 Add a few more lint checks. 
llvm-svn: 100825
 2010-04-08 23:05:57 +00:00
Dan Gohman 98bc4371c7 Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.

llvm-svn: 100798
 2010-04-08 18:47:09 +00:00