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Author SHA1 Message Date
Greg Clayton 364f1167cb Fixed an issue with looking up line table entries by address where internal 
line table entries that were termination entries (ones that define the bounds
of the previous entry) could be found when looking up line table entries.
We now properly skip these termination entries and check the next entry to
try for a match.

llvm-svn: 107729
 2010-07-06 23:34:08 +00:00
Jordy Rose cf781e5430 Add comment noting VLASizeChecker's duty in defining a VLA's extent. 
llvm-svn: 107728
 2010-07-06 23:33:54 +00:00
Dale Johannesen ce65663330 Accept RIP-relative symbols with 'i' constraint, and 
print the (%rip) only if the 'a' modifier is present.
PR 7528.

llvm-svn: 107727
 2010-07-06 23:27:00 +00:00
Jakob Stoklund Olesen 70ee3ecd33 Convert INSERT_SUBREG to COPY in TwoAddressInstructionPass. 
INSERT_SUBREG will now only appear in SSA machine instructions.

Fix the handling of partial redefs in ProcessImplicitDefs. This is now relevant
since partial redef COPY instructions appear.

llvm-svn: 107726
 2010-07-06 23:26:25 +00:00
Jakob Stoklund Olesen 48deb12593 Track defs for all aliases in NEONMoveFix. 
This means that an instruction defining an S register will affect the domain of
the parent D register.

llvm-svn: 107725
 2010-07-06 23:26:23 +00:00
Johnny Chen f031b71f7e if -1 => evaluates to True 
oops!

llvm-svn: 107724
 2010-07-06 23:26:16 +00:00
Bruno Cardoso Lopes 1f9ad516c6 Add the rest of AVX SSE4.1 packed move with sign/zero extend instructions 
llvm-svn: 107723
 2010-07-06 23:15:17 +00:00
Jordy Rose 134a236a14 Add a new path-sensitive checker for functions in <string.h>, for both null-terminated strings and memory blocks. Currently only checks memcpy(), memmove(), and bcopy(), but this is intended to be expanded soon. 
llvm-svn: 107722
 2010-07-06 23:11:01 +00:00
Dale Johannesen 6f01541ae6 Make test not hang waiting for input. 
llvm-svn: 107721
 2010-07-06 23:06:58 +00:00
Bruno Cardoso Lopes 35702d27c4 Add part of AVX SSE4.1 packed move with sign/zero extend instructions 
llvm-svn: 107720
 2010-07-06 23:01:41 +00:00
Johnny Chen 0e38f42f0a Test that breakpoint works correctly in the presence of dead-code stripping. 
llvm-svn: 107719
 2010-07-06 22:52:00 +00:00
Jim Ingham 279a6c2669 Hide the logic for command resolution for commands, aliases & user commands behind a single 
interface so everybody does it the same way.  Add an "exact" lookup for internal uses.

Fix up a few little cases where we weren't reporting command lookup errors correctly.

Added "b" as an alias for "breakpoint" so it doesn't collide with "bt".

llvm-svn: 107718
 2010-07-06 22:46:59 +00:00
Bruno Cardoso Lopes 13f0260e76 Fix comment from previous patch 
llvm-svn: 107717
 2010-07-06 22:38:32 +00:00
Jason Molenda ea84e76479 Switch over to using llvm's dwarf constants file. 
llvm-svn: 107716
 2010-07-06 22:38:03 +00:00
Bruno Cardoso Lopes e2bd058d32 Add AVX vblendvpd, vblendvps and vpblendvb instructions 
Update VEX encoding to support those new instructions

llvm-svn: 107715
 2010-07-06 22:36:24 +00:00
Dan Gohman ee0cb70381 CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext. 
SelectBasicBlock doesn't needs its BasicBlock argument.

llvm-svn: 107712
 2010-07-06 22:19:37 +00:00
Devang Patel a3ca21b228 Propagate debug loc. 
llvm-svn: 107710
 2010-07-06 22:08:15 +00:00
Ted Kremenek 128bfb7643 Sort CMake file. 
llvm-svn: 107709
 2010-07-06 22:03:19 +00:00
Tom Care 3ff08a8e76 Added a path-sensitive idempotent operation checker (-analyzer-idempotent-operation). Finds idempotent and/or tautological operations in a path sensitive context, flagging operations that have no effect or a predictable effect. 
Example:
{
int a = 1;
int b = 5;
int c = b / a; // a is 1 on all paths
}

- New IdempotentOperationChecker class
- Moved recursive Stmt functions in r107675 to IdempotentOperationChecker
- Minor refactoring of SVal to allow checking for any integer
- Added command line option for check
- Added basic test cases

llvm-svn: 107706
 2010-07-06 21:43:29 +00:00
Bob Wilson 4c1ca29039 Represent NEON load/store alignments in bytes, not bits. 
llvm-svn: 107701
 2010-07-06 21:26:18 +00:00
Jakob Stoklund Olesen 15fed3bd30 One more case assuming that subregs have live ranges. 
llvm-svn: 107700
 2010-07-06 21:13:03 +00:00
John McCall 72ed8908ee Closing tags start with slashes. 
llvm-svn: 107699
 2010-07-06 21:07:14 +00:00
Jakob Stoklund Olesen bcf3409107 Fix buildbot breakage where a def is missing. 
llvm-svn: 107698
 2010-07-06 21:06:39 +00:00
Devang Patel b36df17b08 Add fixme. 
llvm-svn: 107697
 2010-07-06 21:05:17 +00:00
Chris Lattner 5eff9ca26e minor typo 
llvm-svn: 107696
 2010-07-06 20:51:35 +00:00