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Author SHA1 Message Date
Bruno Cardoso Lopes 77954bdf7a Support very basic (doesn't include ABI support in the front-end, varags, ...) 256-bit argument passing and return for AVX 
llvm-svn: 110394
 2010-08-05 23:35:51 +00:00
Dan Gohman 884dd752c3 Implement AccessesArguments checking in the two-callsite form 
of BasicAA::getModRefInfo. This allows BasicAA to say that two
memset calls to non-aliasing memory locations don't interfere.

llvm-svn: 110393
 2010-08-05 23:34:50 +00:00
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
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
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
Owen Anderson d3c94af142 Give ConstantRange an operator= 
llvm-svn: 110376
 2010-08-05 20:51:10 +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
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
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
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
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
Rafael Espindola 5bca58a290 check-lit was failing again on F13 64 bits :-( 
llvm-svn: 110311
 2010-08-05 03:35:01 +00:00
Chandler Carruth e6ca1cfef7 Silence a GCC warning about && and || without explicit parentheses. This 
preserves the existing behavior, as it seems a concious choice to allow RS to
be null and BigStack marked true.

llvm-svn: 110307
 2010-08-05 03:04:21 +00:00
Rafael Espindola d1c7ef4ab5 Add const to compileProgram and to the various test functions in CrashDebugger. 
llvm-svn: 110306
 2010-08-05 03:00:22 +00:00
Oscar Fuentes fc21c3aa32 When building from git, add ref-id to PACKAGE_VERSION 
llvm-svn: 110301
 2010-08-05 02:22:51 +00:00
Rafael Espindola 37302eadca Add a Module argument to the remaining runPasses methods and mark getContext 
const.

llvm-svn: 110300
 2010-08-05 02:16:32 +00:00
Oscar Fuentes 396cc7d477 New system for choosing CRT type on MSVC. 
Is setted on a per build type basis. This is useful for generators
that comprise several build types, i.e. VC++ solutions.

llvm-svn: 110296
 2010-08-05 01:25:48 +00:00
Dan Gohman 554b012f67 Revert r110270 for now. It appears to uncover a memdep bug. 
llvm-svn: 110293
 2010-08-05 00:43:10 +00:00
Bob Wilson 97886d59d1 ARM "rrx" shift operands do not have an immediate. PR7790. 
llvm-svn: 110292
 2010-08-05 00:34:42 +00:00
Rafael Espindola 315190b28c Make EmitProgressBitcode const and add a Module argument to runPasses. Use 
that argument to simplify runPassesOn.

llvm-svn: 110291
 2010-08-05 00:29:04 +00:00
Dan Gohman 109561845b The trouble with testing for "ModRef" and "NoModRef" is that 
one is a suffix of the other, and FileCheck accepts superstrings.
Adjust the output to avoid this problem.

llvm-svn: 110280
 2010-08-04 23:37:55 +00:00
Bill Wendling ca1cb13646 The lower invoke pass needs to have unreachable code elimination run after it 
because it could create such things. This fixes a MingW buildbot test failure.

llvm-svn: 110279
 2010-08-04 23:36:02 +00:00
Dan Gohman a1c0f8b5c8 Delete obsolete comments. 
llvm-svn: 110277
 2010-08-04 23:08:15 +00:00
Eric Christopher 2db8464282 Make x86-64 membarriers work without sse and clean up some of the 
uses.

llvm-svn: 110274
 2010-08-04 23:03:04 +00:00
Dan Gohman bd33dab633 The two-callsite form of AliasAnalysis::getModRefInfo is documented 
to return Ref if the left callsite only reads memory read or written
by the right callsite; fix BasicAliasAnalysis to implement this.

Add AliasAnalysisEvaluator support for testing the two-callsite
form of getModRefInfo.

llvm-svn: 110270
 2010-08-04 22:56:29 +00:00
Jim Grosbach 8aaadea8ef and back in. false alarm on the tests from another unrelated local change. 
llvm-svn: 110269
 2010-08-04 22:46:09 +00:00
Eli Friedman 39d0f57cab PR7814: Truncates cannot be ignored for signed comparisons. 
llvm-svn: 110268
 2010-08-04 22:40:58 +00:00
Devang Patel a52ddc496a Implement target specific getDebugValueLocation(). 
llvm-svn: 110267
 2010-08-04 22:39:39 +00:00
Jakob Stoklund Olesen 7fd4905f08 Coalesce stack slot accesses that arise when spilling both sides of a COPY. 
This helps avoid silly code:

    %R0<def = LOAD <fi#5>
    STORE <fi#5>, %R0<kill>

llvm-svn: 110266
 2010-08-04 22:35:11 +00:00
Jim Grosbach 8732d966e1 oops. revert for a moment to clean up tests first. 
llvm-svn: 110259
 2010-08-04 22:12:43 +00:00
Jim Grosbach 22be317fe4 Reserve a stack slot if the function adjusts the stack but doesn't 
simplify the call frame pseudo instructions. In that situation, the
calculations for estimating the stack size will be way off, leading to
not having an emergency spill slot when we need one. It should be possible
to be more precise about tracking the adjustment values, but not really
necessary for correctness. Upcoming cleanups for PEI in general will
render that moot.

llvm-svn: 110258
 2010-08-04 22:10:15 +00:00
Jakob Stoklund Olesen dc96e28d70 Checkpoint SplitKit progress. 
We are now at a point where we can split around simple single-entry, single-exit
loops, although still with some bugs.

llvm-svn: 110257
 2010-08-04 22:08:39 +00:00