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Commit Graph

83428 Commits

Author SHA1 Message Date
Evan Cheng
404624ee4d Look pass zext to strength reduce an udiv. Patch by David Majnemer. rdar://11721329
llvm-svn: 158946
2012-06-21 22:52:49 +00:00
Arnaud A. de Grandmaison
7a500ef0b0 Remove trailing whitespaces
llvm-svn: 158943
2012-06-21 22:26:01 +00:00
NAKAMURA Takumi
1970433a57 llvm/unittests: Simplify LINK_COMPONENTS.
llvm-svn: 158942
2012-06-21 22:17:51 +00:00
NAKAMURA Takumi
362e9e70f6 llvm/unittests/VMCore/CMakeLists.txt: Introduce LLVM_OPTIONAL_SOURCES here, too.
llvm-svn: 158941
2012-06-21 22:17:39 +00:00
Jack Carter
ecfcd0f81b The inline asm operand modifier 'n' is suppose
to be generic across architectures. It has the
following description in the gnu sources:

    Negate the immediate constant

Several Architectures such as x86 have local implementations
of operand modifier 'n' which go beyond the above description
slightly. This won't affect them.

Affected files:

    lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
        Added 'n' to the switch cases.

    test/CodeGen/Generic/asm-large-immediate.ll
        Generic compiled test (x86 for me)

    test/CodeGen/Mips/asm-large-immediate.ll
        Mips compiled version of the generic one

Contributer: Jack Carter
llvm-svn: 158939
2012-06-21 21:37:54 +00:00
Nuno Lopes
8baf9fdf84 Add support for invoke to the MemoryBuiltin analysid.
Update comments accordingly.

Make instcombine remove useless invokes to C++'s 'new' allocation function (test attached).

llvm-svn: 158937
2012-06-21 21:25:05 +00:00
Akira Hatanaka
021bc1c8a2 1. fix null program output after some other changes
2. re-enable null.ll test
3. fix some minor style violations

Patch by Reed Kotler.

llvm-svn: 158935
2012-06-21 20:39:10 +00:00
Akira Hatanaka
0ce3a3b090 Add Mips to the list of target architectures for the MCJIT tests.
Patch by Reed Kotler.

llvm-svn: 158933
2012-06-21 20:23:32 +00:00
Hal Finkel
bc9be7c0e5 Treat TargetGlobalAddress as a constant for the purpose of matching pre-inc stores on PPC.
Thanks to Tobias von Koch for pointing out this problem.

llvm-svn: 158932
2012-06-21 20:10:48 +00:00
Chandler Carruth
8bb9135457 Avoid using the recently added APPEND_STRING feature. This should
restore support for CMake versions before 2.8.6 -- sorry for the
trouble!

llvm-svn: 158930
2012-06-21 18:44:24 +00:00
Nuno Lopes
519c65b6dc fix build in C++11 mode.
Thanks to Chandler for pointing out the problem.

llvm-svn: 158928
2012-06-21 18:38:26 +00:00
Pete Cooper
24914c84a0 Fix potential crash if DAGCombine on stores sees a half type
llvm-svn: 158927
2012-06-21 18:00:39 +00:00
Jack Carter
533bef32ae The inline asm operand modifier 'c' is suppose
to be generic across architectures. It has the
following description in the gnu sources:

    Substitute immediate value without immediate syntax

Several Architectures such as x86 have local implementations
of operand modifier 'c' which go beyond the above description
slightly. To make use of the generic modifiers without overriding
local implementation one can make a call to the base class method
for AsmPrinter::PrintAsmOperand() in the locally derived method's 
"default" case in the switch statement. That way if it is already
defined locally the generic version will never get called.

This change is needed when test/CodeGen/generic/asm-large-immediate.ll
failed on a native Mips board. The test was assuming a generic
implementation was in place.

Affected files:

    lib/Target/Mips/MipsAsmPrinter.cpp:
        Changed the default case to call the base method.
    lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
        Added 'c' to the switch cases.
    test/CodeGen/Mips/asm-large-immediate.ll
        Mips compiled version of the generic one

Contributer: Jack Carter
llvm-svn: 158925
2012-06-21 17:14:46 +00:00
Nuno Lopes
3d029880cc move some typedefs so that we don't polute the llvm namespace. this should appease the GCC buildbots
llvm-svn: 158924
2012-06-21 16:58:41 +00:00
Nuno Lopes
46de159c09 hopefully fix the buildbots: some tests have wrong definitions of malloc and were crashing this code on 64 bits machines
llvm-svn: 158923
2012-06-21 16:47:58 +00:00
Nuno Lopes
0861020fd8 port the BoundsChecking patch to the new MemoryBuiltin API (i.e., remove most of the code from here).
Remove the alloc_size.ll test until we settle on a metadata format that makes everyone happy..

llvm-svn: 158920
2012-06-21 15:59:53 +00:00
Nuno Lopes
c9edab11db refactor the MemoryBuiltin analysis:
- provide more extensive set of functions to detect library allocation functions (e.g., malloc, calloc, strdup, etc)
 - provide an API to compute the size and offset of an object pointed by

Move a few clients (GVN, AA, instcombine, ...) to the new API.
This implementation is a lot more aggressive than each of the custom implementations being replaced.

Patch reviewed by Nick Lewycky and Chandler Carruth, thanks.

llvm-svn: 158919
2012-06-21 15:45:28 +00:00
Nadav Rotem
313b090606 Add a number of threshold arguments to the SRA pass.
A patch by Tom Stellard with minor changes.

llvm-svn: 158918
2012-06-21 13:44:31 +00:00
NAKAMURA Takumi
ff5fc0d895 Revert r158209, "test/CodeGen/Generic/APIntLoadStore.ll: Mark as XFAIL:ppc since r157911."
It passes according to ppc changes.

llvm-svn: 158917
2012-06-21 13:43:06 +00:00
NAKAMURA Takumi
25b5b67e7f llvm/unittests/ExecutionEngine/JIT/CMakeLists.txt: Unbreak build.
llvm-svn: 158914
2012-06-21 12:44:58 +00:00
Chandler Carruth
e5c8b35fee Add a pragma to supress an MSVC warning on some of the absurd code I'm
using to test the alignment support library.

Patch from Nikola on IRC.

llvm-svn: 158912
2012-06-21 10:02:41 +00:00
Chandler Carruth
0d5765bb26 Add some missing dependencies here that I missed in my first pass
through. Also sort them.

llvm-svn: 158911
2012-06-21 10:02:40 +00:00
Chandler Carruth
f372f64b71 Completely refactor the structuring of unittest CMake files to match the
Makefiles, the CMake files in every other part of the LLVM tree, and
sanity.

This should also restore the output tree structure of all the unit
tests, sorry for breaking that, and thanks for letting me know.

The fundamental change is to put a CMakeLists.txt file in the unittest
directory, with a single test binary produced from it. This has several
advantages:

- No more weird directory stripping in the unittest macro, allowing it
  to be used more readily in other projects.
- No more directory prefixes on all the source files.
- Allows correct and precise use of LLVM's per-directory dependency
  system.
- Allows use of the checking logic for source files that have not been
  added to the CMake build. This uncovered a file being skipped with
  CMake in LLVM and one in Clang's unit tests.
- Makes Specifying conditional compilation or other custom logic for JIT
  tests easier.

It did require adding the concept of an explicit 'optional' source file
to the CMake build so that the missing-file check can skip cases where
the file is *supposed* to be missing. =]

This is another chunk of refactoring the CMake build in order to make it
usable for other clients like CompilerRT / ASan / TSan.

Note that this is interdependent with a Clang CMake change.

llvm-svn: 158909
2012-06-21 09:51:26 +00:00
Nadav Rotem
e1481b910d llvm-stress: Stabalize (by using an ordered container) and add randomness to the order in which loops are generated.
llvm-svn: 158908
2012-06-21 08:58:15 +00:00
Bill Wendling
b856af08dc Cleanup some encoding mishaps.
llvm-svn: 158904
2012-06-21 07:01:02 +00:00
Bill Wendling
f83a5bb8a8 Sphinxify the tablegen document.
llvm-svn: 158903
2012-06-21 06:58:24 +00:00
Lang Hames
662801dbc8 Add a missing llvm.fma -> VFNMS pattern to the ARM backend.
llvm-svn: 158902
2012-06-21 06:10:00 +00:00
Bill Wendling
e9e0fa46e7 Sphinxify the outdated Packaging documentation.
llvm-svn: 158901
2012-06-21 06:09:37 +00:00
Evan Cheng
5e3a175c65 Emit a single _udivmodsi4 libcall instead of two separate _udivsi3 and
_umodsi3 libcalls if they have the same arguments. This optimization
was apparently broken if one of the node was replaced in place.
rdar://11714607

llvm-svn: 158900
2012-06-21 05:56:05 +00:00
Chandler Carruth
99fb206e0c Factor the logic for setting up a GoogleTest unit test executable into
a helper function in CMake. This will allow us to share all of this
logic with Clang, and eventually CompilerRT.

llvm-svn: 158896
2012-06-21 05:16:58 +00:00
Chandler Carruth
3bcf96d48a Simplify the naming pattern in the unittests' CMake file
llvm-svn: 158893
2012-06-21 02:02:48 +00:00
Chandler Carruth
0def3927a9 Remove one of the LLVM-specific CMake hacks in favor of standard CMake
facilities.

This was only used in one place in LLVM, and was used pervasively (but
with different code!) in Clang. It has no advantages over the standard
CMake facilities and in some cases disadvantages.

llvm-svn: 158889
2012-06-21 01:35:09 +00:00
Jakob Stoklund Olesen
d23194c4ed Update regunits in RegisterCoalescer::reMaterializeTrivialDef.
Old code would only update physreg live intervals.

llvm-svn: 158881
2012-06-21 00:09:15 +00:00
Meador Inge
73a66eeb7d Put space after "code-block::".
llvm-svn: 158880
2012-06-20 23:57:00 +00:00
Jakob Stoklund Olesen
ee49ea0940 Remove LiveIntervals::iterator.
Live intervals for regunits and virtual registers are stored separately,
and physreg live intervals are going away.

To visit the live ranges of all virtual registers, use this pattern
instead:

  for (unsigned i = 0, e = MRI->getNumVirtRegs(); i != e; ++i) {
    unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
    if (MRI->reg_nodbg_empty(Reg))
      continue;

llvm-svn: 158879
2012-06-20 23:54:20 +00:00
Jakob Stoklund Olesen
b36c50f5a0 Remove spurious typedefs.
llvm-svn: 158878
2012-06-20 23:54:18 +00:00
Meador Inge
05adf60070 Removed some left over HTML tags and a '}'.
llvm-svn: 158877
2012-06-20 23:48:01 +00:00
Jakob Stoklund Olesen
75fa4ceaa1 Remove the RenderMachineFunction HTML output pass.
I don't think anyone has been using this functionality for a while, and
it is getting in the way of refactoring now.

llvm-svn: 158876
2012-06-20 23:47:58 +00:00
Jakob Stoklund Olesen
914857b29a Remove the -live-regunits command line option.
Register allocators depend on it being permanently enabled now.

llvm-svn: 158873
2012-06-20 23:31:34 +00:00
Jakob Stoklund Olesen
f3deae3d2f Fix some more LiveInterval enumerations.
Deterministically enumerate the virtual registers instead.

llvm-svn: 158872
2012-06-20 23:23:59 +00:00
Jakob Stoklund Olesen
684fbc6e89 Remove LiveIntervalUnions from RegAllocBase.
They are living in LiveRegMatrix now.

llvm-svn: 158868
2012-06-20 22:52:29 +00:00
Jakob Stoklund Olesen
8976daa3cc Convert RAGreedy to LiveRegMatrix interference checking.
Stop depending on the LiveIntervalUnions in RegAllocBase, they are about
to be removed.

The changes are mostly replacing register alias iterators with regunit
iterators, and querying LiveRegMatrix instrad of RegAllocBase.

InterferenceCache is converted to work with per-regunit
LiveIntervalUnions, and it checks fixed regunit interference separately,
using the fixed live intervals provided by LiveIntervalAnalysis.

The local splitting helper calcGapWeights() is also considering fixed
regunit interference which is kept on the side now.

llvm-svn: 158867
2012-06-20 22:52:26 +00:00
Jakob Stoklund Olesen
da4453ee18 Convert RABasic to using LiveRegMatrix interference checking.
Stop using the LiveIntervalUnions provided by RegAllocBase, they will be
removed soon.

llvm-svn: 158866
2012-06-20 22:52:24 +00:00
Jakob Stoklund Olesen
6bd9aa4463 Enable register unit liveness by default.
Soon we won't need to compute live intervals for physical registers.

llvm-svn: 158865
2012-06-20 22:52:22 +00:00
Jakob Stoklund Olesen
16f1cc3014 Teach PBQPBuilder::build() about regunit interference.
Filter out physreg candidates with regunit interferrence.
Also compute regmask interference more efficiently.

llvm-svn: 158864
2012-06-20 22:32:05 +00:00
Andrew Trick
33bf2f7893 Restructure PopulateLoopsDFS::insertIntoLoop.
As Nadav pointed out the first implementation was obscure.

llvm-svn: 158862
2012-06-20 22:18:33 +00:00
Bill Wendling
d36ed2f9ba Sphixify the GEP FAQ.
llvm-svn: 158858
2012-06-20 21:54:22 +00:00
Jakob Stoklund Olesen
dc9130eb99 Avoid iterating with LiveIntervals::iterator.
That is a DenseMap iterator keyed by pointers, so the iteration order is
nondeterministic.

I would like to replace the DenseMap with an IndexedMap which doesn't
allow iteration.

llvm-svn: 158856
2012-06-20 21:25:05 +00:00
Akira Hatanaka
9a6df0f613 Revert r158846.
llvm-svn: 158855
2012-06-20 21:19:39 +00:00
Akira Hatanaka
f8ce377e38 In MipsDisassembler.cpp, instead of defining register class tables, use the ones
that are generated by TableGen and are already available in
MipsGenRegisterInfo.inc. Suggested by Jakob Stoklund Olesen.

Also, fix bug in function DecodeAFGR64RegisterClass.

Patch by Vladimir Medic. 

llvm-svn: 158846
2012-06-20 20:39:23 +00:00