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Author SHA1 Message Date
Dan Gohman e2a67168bf Yes, we can do better, but this is not the place for it. 
llvm-svn: 110391
 2010-08-05 23:23:32 +00:00
Jordy Rose afdb053618 When checking if a buffer access is valid, first make sure the buffer has a valid Loc. Fixes PR7830. 
llvm-svn: 110390
 2010-08-05 23:11:30 +00:00
Bruno Cardoso Lopes 3d19889ca8 Fix AVX 256-bit intrinsics headers by using the right cast type while dealing with logical ops 
llvm-svn: 110389
 2010-08-05 23:04:58 +00:00
Owen Anderson 0f306a45ad Add the beginnings of infrastructure for range tracking. 
llvm-svn: 110388
 2010-08-05 22:59:19 +00:00
Eric Christopher b7ad70d1e8 Revert my last commit, apparently it's a runtime issue. 
llvm-svn: 110387
 2010-08-05 22:48:32 +00:00
Jakob Stoklund Olesen e7709ebb64 Add basic verification of LiveIntervals. 
We verify that the LiveInterval is live at uses and defs, and that all
instructions have a SlotIndex.

Stuff we don't check yet:

- Is the LiveInterval minimal?
- Do all defs correspond to instructions or phis?
- Do all defs dominate all their live ranges?
- Are all live ranges continually reachable from their def?

llvm-svn: 110386
 2010-08-05 22:32:21 +00:00
Eric Christopher d7d0517cc2 Remove unnecessary include. 
llvm-svn: 110385
 2010-08-05 22:28:22 +00:00
Owen Anderson 4674dd6cf5 Give JumpThreading+LVI a long-form cl::opt so that it's easier to toggle the default. 
llvm-svn: 110384
 2010-08-05 22:11:31 +00:00
Owen Anderson c3a1413ea1 Split the tag and value members of LVILatticeVal in preparation for expanding the lattice to something that won't fit in two bits. 
llvm-svn: 110383
 2010-08-05 22:10:46 +00:00
Dan Gohman 26ef7c7ab7 Fix memdep's code for reasoning about dependences between two calls. A Ref 
response from getModRefInfo is not useful here. Instead, check for identical
calls only in the NoModRef case.

Reapply r110270, and strengthen it to compensate for the memdep changes.
When both calls are readonly, there is no dependence between them.

llvm-svn: 110382
 2010-08-05 22:09:15 +00:00
John McCall 491462425a Don't crash when mangling empty anonymous unions. We never actually *need* 
these, but it's convenient to mangle them when deferring them (in the 99.99%
case where it's not an anonymous union, of course).

llvm-svn: 110381
 2010-08-05 22:02:13 +00:00
Gabor Greif 638c823211 remove the private hack from CallInst, it was not supposed to hit the branch anyway 
as a positive consequence the CallSite::getCallee() methods now can be rewritten to be
a bit more efficient

llvm-svn: 110380
 2010-08-05 21:25:49 +00:00
Johnny Chen a21249597e When running a single test case, lldb.SBDebugger.Terminate() is not being called 
because unittest.main() calls sys.exit() before returning.  Fixed by registering
an exit handler for this situation.

llvm-svn: 110379
 2010-08-05 21:23:45 +00:00
Sebastian Redl f03cdc5d27 Collect namespaces that need updating in a PCH chain. WIP 
llvm-svn: 110378
 2010-08-05 21:22:19 +00:00
Fariborz Jahanian 903aba39ee Add support for block imported struct variable layout info. 
(objc gc and blocks in NeXt runtime).

llvm-svn: 110377
 2010-08-05 21:00:25 +00:00
Owen Anderson d3c94af142 Give ConstantRange an operator= 
llvm-svn: 110376
 2010-08-05 20:51:10 +00:00
John McCall 5513fce96b It turns out that linkers (at least, the Darwin linker) don't necessarily 
do the right thing with mixed-visibility symbols, so disable the visibility
optimization where that's possible, i.e. with template classes (since it's
possible that an arbitrary template might be subject to an explicit
instantiation elsewhere).  447.dealII actually does this.

I've put the code under an option that's currently not hooked up to anything.

llvm-svn: 110374
 2010-08-05 20:39:18 +00:00
Eric Christopher fa5d2415b6 Document results of PR7762. 
llvm-svn: 110373
 2010-08-05 20:38:39 +00:00
Devang Patel cc3f3b341d Move x86 specific tests into test/CodeGen/X86. 
llvm-svn: 110372
 2010-08-05 20:25:37 +00:00
Eric Christopher 4d9c3400f3 Handle the memory barrier pseudo that goes to nothing for the JIT. 
llvm-svn: 110371
 2010-08-05 20:04:36 +00:00
Chris Lattner dc7ee3cd6b fix the va_list definition for vc++64, patch by Cameron Esfahani! 
llvm-svn: 110370
 2010-08-05 20:04:20 +00:00
Eric Christopher 7fd06eb8ce Set hasSideEffects on the 64-bit no-sse memory barrier. 
llvm-svn: 110369
 2010-08-05 19:54:59 +00:00
Jim Grosbach f50693d1ab For local variables in functions with a frame pointer, use FP as a base 
register for local access when it's closer to the stack slot being refererenced
than the stack pointer. Make sure to take into account any argument frame
SP adjustments that are in affect at the time.

rdar://8256090

llvm-svn: 110366
 2010-08-05 19:27:37 +00:00
Bob Wilson b1021395b8 Fix indentation. 
llvm-svn: 110363
 2010-08-05 19:00:21 +00:00
Jakob Stoklund Olesen 4583355a78 Remove double-def checking from MachineVerifier, so a register does not have to 
be killed before being redefined.

These checks are usually disabled, and usually fail when enabled. We de facto
allow live registers to be redefined without a kill, the corresponding
assertions in RegScavenger were removed long ago.

llvm-svn: 110362
 2010-08-05 18:59:59 +00:00
Bob Wilson 72de307116 Add an ARM RSCrr instruction for disassembly only. 
Partial fix for PR7792.

llvm-svn: 110361
 2010-08-05 18:59:36 +00:00
Eric Christopher 32f5d6b9be Be a little bit more specific about target for the memory barrier 
instructions.

llvm-svn: 110360
 2010-08-05 18:36:20 +00:00
Eric Christopher 4abffad17c Handle the pseudo in MCInstLower. 
llvm-svn: 110359
 2010-08-05 18:34:30 +00:00
Bob Wilson adb93e56a3 Add an ARM RSBrr instruction for disassembly only. 
Partial fix for PR7792.

llvm-svn: 110358
 2010-08-05 18:23:43 +00:00
Sebastian Redl 08aca90253 Write various C++-specific records to chained PCHs. Tests will come later. 
llvm-svn: 110357
 2010-08-05 18:21:25 +00:00
Jakob Stoklund Olesen d9572619e2 Avoid using a live std::multimap iterator while editing the map. It looks like 
we sometimes compare singular iterators, reported by ENABLE_EXPENSIVE_CHECKS.
This fixes PR7825.

llvm-svn: 110355
 2010-08-05 18:12:19 +00:00
John McCall 95bde46bbb Argument evaluation order is not guaranteed. Split these out to force an order. 
llvm-svn: 110354
 2010-08-05 18:11:10 +00:00
Tom Care 16ba7c652e Fixed logic error in UnreachableCodeChecker's marking algorithm that would sometimes allow for multiple sequential statements to be flagged. 
llvm-svn: 110353
 2010-08-05 17:53:44 +00:00
John McCall a9731a4179 Fix a major bug with -ftrapv and ++/--. Patch by David Keaton! 
llvm-svn: 110347
 2010-08-05 17:39:44 +00:00
John McCall 0f8ccc4938 Allow multiple __declspec attributes after a class-key. 
Patch by Francois Pichet!

llvm-svn: 110344
 2010-08-05 17:13:11 +00:00
Dan Gohman c53ee449a5 Move x86-specific tests out of test/Transforms/LoopStrengthReduce and 
into test/CodeGen/X86, so that they aren't run when the x86 target is
not enabled.

Fix uglygep.ll to not be x86-specific.

llvm-svn: 110343
 2010-08-05 17:04:15 +00:00
Bob Wilson 824edeb842 Revert bugpoint change due to buildbot breakage. 
--- Reverse-merging r110333 into '.':
U    tools/bugpoint/BugDriver.h
U    tools/bugpoint/OptimizerDriver.cpp
U    tools/bugpoint/bugpoint.cpp
U    tools/bugpoint/BugDriver.cpp

llvm-svn: 110341
 2010-08-05 16:26:32 +00:00
Fariborz Jahanian d652ac82b0 For now skip over aggregate non-byref block variables. 
(objc gc specific).

llvm-svn: 110340
 2010-08-05 16:13:18 +00:00
Fariborz Jahanian 89f3721dee Trying to unbreak buildbot. 
llvm-svn: 110339
 2010-08-05 15:52:12 +00:00
Daniel Dunbar e62e664656 tests: CodeGen/X86/GC tests require X86. 
llvm-svn: 110338
 2010-08-05 15:45:33 +00:00
Daniel Dunbar 57e3f71538 tests: Mark MC/AsmParser tests as requiring x86 for now -- almost all of them 
rely on using a specific x86 triple to test what they want to test.

llvm-svn: 110337
 2010-08-05 15:44:15 +00:00
Rafael Espindola 86d7095eac Run opt instead of bugpoint itself. 
Fixes PR753.

llvm-svn: 110333
 2010-08-05 15:25:38 +00:00
Ted Kremenek 9c22219d9c Revert r110317, and add a comment why the assertion is not an invariant. 
llvm-svn: 110330
 2010-08-05 15:03:30 +00:00
Eli Friedman 06dcfd94c8 Flip the switch to use OffsetOfExpr unconditionally; feel free to revert if 
this breaks something.

I'll wait a few days before cleaning out UnaryOperator::OffsetOf.

llvm-svn: 110328
 2010-08-05 10:15:45 +00:00
Eli Friedman 74ef7cf144 PR7769: Fix references to anonymous structs/unions in base classes in 
offsetof expressions.

llvm-svn: 110327
 2010-08-05 10:11:36 +00:00
Eli Friedman d7c7232a1d Add IRGen support for non-constant OffsetOfExpr. 
llvm-svn: 110326
 2010-08-05 09:58:49 +00:00
Argyrios Kyrtzidis 7f76d11dcc Store the pending implicit instantiations in the PCH and perform them at the end of the translation unit that 
included the PCH, as God intended.

llvm-svn: 110324
 2010-08-05 09:48:16 +00:00
Argyrios Kyrtzidis ee1afa3082 Support #pragma weak for PCH. 
llvm-svn: 110323
 2010-08-05 09:48:08 +00:00
Argyrios Kyrtzidis 4ba81b2ee4 Make sure C++ variable definitions are actually passed to the consumer when loaded from PCH. 
llvm-svn: 110322
 2010-08-05 09:47:59 +00:00
Eli Friedman 0cdda02f44 Make checker recognize OffsetOfExpr as a form of __builtin_offsetof. 
llvm-svn: 110320
 2010-08-05 09:43:11 +00:00