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Author SHA1 Message Date
Nathan Jeffords
72e57f9441 test commit, added a comment to MCSectionCOFF::PrintSwitchToSection function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-09 05:49:00 +00:00
Chris Lattner
c7d7e0cbe0 make simplifycfg insert an llvm.trap before the 'unreachable' it introduces 
when it detects undefined behavior.  llvm.trap generally codegens into some
thing really small (e.g. a 2 byte ud2 instruction on x86) and debugging this
sort of thing is "nontrivial".  For example, we now compile:

void foo() { *(int*)0 = 42; }

into:

_foo:
	pushl	%ebp
	movl	%esp, %ebp
	ud2

Some may even claim that this is a security hole, though that seems dubious
to me.  This addresses rdar://7958343 - Optimizing away null dereference 
potentially allows arbitrary code execution


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 22:15:59 +00:00
Chris Lattner
6745191070 Teach instcombine to transform a bitcast/(zext|trunc)/bitcast sequence 
with a vector input and output into a shuffle vector.  This sort of 
sequence happens when the input code stores with one type and reloads
with another type and then SROA promotes to i96 integers, which make
everyone sad.

This fixes rdar://7896024



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 21:50:26 +00:00
Chris Lattner
7944c21cae Fix PR7052, patch by Jakub Staszak! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 20:01:44 +00:00
Chris Lattner
b54b9ddaaf break coff symbol definition stuff out into proper MCStreamer callbacks, 
patch by Nathan Jeffords!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 19:54:22 +00:00
Bill Wendling
369252db2e Readd testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103335 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 04:47:54 +00:00
Daniel Dunbar
d547708976 Run interrupt routines as part of report_fatal_error, since we are failing 
ungracefully.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 02:10:36 +00:00
Daniel Dunbar
fb89e08413 Add llvm::sys::RunInterruptHandlers(), which runs the registered SIGINT cleanup 
stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 02:10:34 +00:00
Dan Gohman
59dc60337f When pruning candidate formulae out of an LSRUse, update the 
LSRUse's Regs set after all pruning is done, rather than trying
to do it on the fly, which can produce an incomplete result.

This fixes a case where heuristic pruning was stripping all
formulae from a use, which led the solver to enter an infinite
loop.

Also, add a few asserts to diagnose this kind of situation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:36:59 +00:00
Devang Patel
c665a5146d Instead of just verifying compile unit, verify entire type, variable, namespace etc.. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103327 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:33:41 +00:00
Devang Patel
a49d877290 Remove DIGlobal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:19:07 +00:00
Bill Wendling
09e7a1722a Remove. Don't XFAIL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103321 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:09:17 +00:00
Devang Patel
47e2265a30 Add DINameSpace::Verify(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103318 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 23:04:32 +00:00
Bill Wendling
20eb256006 Temorarily revert r101984. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 22:45:36 +00:00
Douglas Gregor
2be6e6d59c Clang is dying on this with an ambiguous conversion sequence. We're working on it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 22:28:25 +00:00
Dan Gohman
4ce86f459c SDDbgValues are apparently not being legalized. Fix a symptom of the problem, 
and not the real problem itself, by dropping debug info for i128 values.
rdar://7958162.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 22:19:08 +00:00
Dan Gohman
66797ff2e1 Minimally fix this code to not abort on mdnodes with integer data 
wider than 64 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 22:15:24 +00:00
Devang Patel
02f0dbd97a Verify variable directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 22:04:20 +00:00
Chris Lattner
6e5ce287b0 add COFF support for COMDAT sections, patch by Nathan Jeffords! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:49:09 +00:00
Devang Patel
9c00487dc3 Verify entire type descriptor not just tag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:45:47 +00:00
Kevin Enderby
a6eeb6e226 Fix i386 relocations to Weak Definitions. The relocation entries should be 
external and the item to be relocated should not have the address of the
symbol added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103302 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:44:23 +00:00
Devang Patel
62077af40e Verify compile unit also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:42:24 +00:00
Dale Johannesen
0a406ae0d9 Fix PR 7087, and probably other things, by extending 
getConstantFP to accept the two supported long double
target types.  This was not the original intent, but
there are other places that assume this works and it's
easy enough to do.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:35:53 +00:00
Devang Patel
e9f8f5e600 Wrap const MDNode * inside DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 20:54:48 +00:00
Devang Patel
735538b3eb Update test to use valid debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 20:34:00 +00:00
Devang Patel
ebe57f1b30 remove DIDescriptor::getNode() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103278 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:36:34 +00:00
Jim Grosbach
4b77f6a85a Clean up the conditional for handling of sign_extend_inreg based on 
whether the extract instructions are available.

rdar://7956878



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103277 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:34:55 +00:00
Devang Patel
ed66bf5125 Use overloaded operators instead of DIDescriptor::getNode() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:19:32 +00:00
Devang Patel
2db49d797b Avoid DIDescriptor::getNode(). Use overloaded operators instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:11:54 +00:00
Kalle Raiskila
021b5ef903 Testing svn access with a note added to documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 18:06:28 +00:00
Ted Kremenek
d51409ae9e Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 17:29:48 +00:00
Chris Lattner
eb40a0fd98 switch MCSectionCOFF from a syntactic to semantic representation, 
patch by Peter Housel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 17:17:41 +00:00
Ted Kremenek
5fa680d397 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103266 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 17:13:20 +00:00
Duncan Sands
7d2568ca3c Correct some bogus target triples. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 17:03:48 +00:00
Dan Gohman
9a7063e7ee Add some words to this output to indicate what the numbers mean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 16:39:27 +00:00
Chris Lattner
199b66a535 don't pass -f to llc, it doesn't have it anymore. Patch by Kevin Fan (PR7090) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 16:27:04 +00:00
Dan Gohman
ef0b14593b Add a simple module-level debug info printer. It just sets up a 
DebugInfoFinder and iterates over all the contents calling print.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 16:22:32 +00:00
Dan Gohman
c014d0963e Fix the new print functions to call print instead of dump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 16:17:22 +00:00
Dan Gohman
28a193ed8b Add an LLVM IR version of code sinking. This uses the same simple algorithm 
as MachineSink, but it isn't constrained by MachineInstr-level details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 15:40:13 +00:00
Dan Gohman
5374195cd7 Const-ify some stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 15:36:10 +00:00
Dan Gohman
504043662c Convert the DebugInfo classes dump() methods into print(raw_ostream &) 
methods, and add dump functions implemented in terms of the print.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 15:30:29 +00:00
Tobias Grosser
733783b27c Document graphviz passes for the (post) dominator tree. 
Add documentation for:
  -dot-dom
  -dot-dom-only
  -dot-postdom
  -dot-postdom-only
  -view-dom
  -view-dom-only
  -view-postdom
  -view-postdom-only

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103251 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 09:33:18 +00:00
Evan Cheng
435d499177 Use VLD2q32 / VST2q32 to reload / spill QQ (pair of Q) registers when stack slot is sufficiently aligned. Use VLDMD / VSTMD otherwise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103235 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 02:04:02 +00:00
Evan Cheng
07a6d9391c Use VSTMD / VLDMD for spills and reloads of Q registers instead of VSTMQ / VLDQ. The later are aliases which ought to be eliminated but we can't because they are used for storing and loading v2f64 values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:54:08 +00:00
Nick Lewycky
403d312c0f Revert r103133 and add testcase from PR7066. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:45:38 +00:00
Dan Gohman
0d881042c0 When rematerializing, use the debug location of the original 
instruction, rather than a location near where the new instruction
is being inserted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:28:10 +00:00
Dale Johannesen
ad9e619813 Adjust tests affected by llvm-gcc 103229. 
All results here match gcc-4.2.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103230 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:11:31 +00:00
Dan Gohman
fb95f89e8e Transfer debug location information from PHI nodes to resulting 
lowered copies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:10:20 +00:00
Dan Gohman
cc751bb99c Print debug information for SDNodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:09:21 +00:00
Dan Gohman
281d65d004 Disable the new unknown-location code for now. It causes a major 
increase in the debug line info section, and it's causing
regressions in a gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 01:08:53 +00:00