29 Commits

Author SHA1 Message Date
Chris Lattner
8df3ffd7ac zap dead code.
llvm-svn: 113073
2010-09-04 18:12:00 +00:00
Dan Gohman
8ed4d1646e 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
422c164d8d 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
Owen Anderson
f2fea95f2f Reapply r110396, with fixes to appease the Linux buildbot gods.
llvm-svn: 110460
2010-08-06 18:33:48 +00:00
Owen Anderson
aadd8a89ca Revert r110396 to fix buildbots.
llvm-svn: 110410
2010-08-06 00:23:35 +00:00
Owen Anderson
b9762c07cb Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
2010-08-05 23:42:04 +00:00
Dan Gohman
e0489ffe8e Add a convenient form of AliasAnalysis::alias for the case where the sizes
are unknown.

llvm-svn: 110090
2010-08-03 00:56:30 +00:00
Dan Gohman
abb2503036 Add a lint check for indirectbr with no successors.
llvm-svn: 110074
2010-08-02 23:06:43 +00:00
Owen Anderson
f8addbb0a1 Fix batch of converting RegisterPass<> to INTIALIZE_PASS().
llvm-svn: 109045
2010-07-21 22:09:45 +00:00
Dan Gohman
0af129aa1b Add a lint check for mismatched return types, inspired by PR6944.
llvm-svn: 108162
2010-07-12 18:02:04 +00:00
Dan Gohman
0cea029f14 Add some more TODO comments.
llvm-svn: 107657
2010-07-06 15:23:00 +00:00
Dan Gohman
fa0252225f Add a comment.
llvm-svn: 107656
2010-07-06 15:21:57 +00:00
Dan Gohman
56a2a0fb80 Fix the noalias checking so that it doesn't worry about
an argument aliasing itself. Thanks Duncan!

llvm-svn: 105288
2010-06-01 20:51:40 +00:00
Dan Gohman
fe69bf7b4c Add lint checks for function attributes.
llvm-svn: 105009
2010-05-28 21:43:57 +00:00
Dan Gohman
a20b0d02e6 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
9a50a9215c Detect self-referential values.
llvm-svn: 104957
2010-05-28 16:45:33 +00:00
Dan Gohman
8570c1a249 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
7981165281 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
a6c568fa77 Add a lint check for returning the address of stack memory.
llvm-svn: 104936
2010-05-28 04:33:42 +00:00
Dan Gohman
0b5922b032 Fix Lint printing warnings multiple times. Remove the ErrorStr
option from lintModule, which was an artifact from being
based on Verifier code.

llvm-svn: 104765
2010-05-26 22:28:53 +00:00
Dan Gohman
2c70e05105 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
5ec2a338ac Stackrestore is not a load.
llvm-svn: 104752
2010-05-26 22:00:10 +00:00
Dan Gohman
35b59125b0 Remove a TODO which isn't practical.
llvm-svn: 104748
2010-05-26 21:50:41 +00:00
Dan Gohman
6b78ee79c1 Implement checking of the tail keyword.
llvm-svn: 104744
2010-05-26 21:46:36 +00:00
Dan Gohman
6944fae2f6 Add lint checks for invalid uses of memory.
llvm-svn: 102733
2010-04-30 19:05:00 +00:00
Dan Gohman
1af81d31e9 Tidy a comment.
llvm-svn: 102041
2010-04-22 01:30:05 +00:00
Dan Gohman
b07151b5dd Add several more lint checks.
llvm-svn: 100841
2010-04-09 01:39:53 +00:00
Dan Gohman
eeb89ac6d3 Add a few more lint checks.
llvm-svn: 100825
2010-04-08 23:05:57 +00:00
Dan Gohman
6ad805d335 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