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20 Commits

Author SHA1 Message Date
Dan Gohman
545d00645c Add a lint check for mismatched return types, inspired by PR6944. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108162 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-12 18:02:04 +00:00
Dan Gohman
0ce249911b Add some more TODO comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 15:23:00 +00:00
Dan Gohman
d3b6e41ffb Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 15:21:57 +00:00
Dan Gohman
10e7726e6c Fix the noalias checking so that it doesn't worry about 
an argument aliasing itself. Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105288 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 20:51:40 +00:00
Dan Gohman
aec2a0dbce Add lint checks for function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 21:43:57 +00:00
Dan Gohman
13ec30b6a1 Fix lint's memcpy and memmove checks, and its basic block traversal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104970 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 17:44:00 +00:00
Dan Gohman
17d95965cb Detect self-referential values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104957 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 16:45:33 +00:00
Dan Gohman
078f8595b5 Eli pointed out that va_arg instruction result values don't 
reference the stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 16:34:49 +00:00
Dan Gohman
ff26d4e9ce Teach lint how to look through simple store+load pairs and other 
effective no-op constructs, to make it more effective on
unoptimized IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 16:21:24 +00:00
Dan Gohman
292fc87fe2 Add a lint check for returning the address of stack memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104936 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 04:33:42 +00:00
Dan Gohman
a0f7ff334f Fix Lint printing warnings multiple times. Remove the ErrorStr 
option from lintModule, which was an artifact from being
based on Verifier code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 22:28:53 +00:00
Dan Gohman
882ddb492d Reinstate checking of stackrestore, with checking for both Read 
and Write, and add a comment explaining this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 22:21:25 +00:00
Dan Gohman
749be11f4d Stackrestore is not a load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 22:00:10 +00:00
Dan Gohman
df9c8bc569 Remove a TODO which isn't practical. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:50:41 +00:00
Dan Gohman
113b3e2c6e Implement checking of the tail keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:46:36 +00:00
Dan Gohman
5b61b3818a Add lint checks for invalid uses of memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:05:00 +00:00
Dan Gohman
0883355976 Tidy a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 01:30:05 +00:00
Dan Gohman
be02b20a8f Add several more lint checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 01:39:53 +00:00
Dan Gohman
dd98c4d185 Add a few more lint checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100825 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 23:05:57 +00:00
Dan Gohman
113902e9fb Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 18:47:09 +00:00