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97946 Commits

Author SHA1 Message Date
Rafael Espindola 625ccf8222 Relax push instructions. 
llvm-svn: 122121
 2010-12-18 01:01:34 +00:00
Nick Lewycky 55a700b0cf Make LazyValueInfo non-recursive. 
llvm-svn: 122120
 2010-12-18 01:00:40 +00:00
Bob Wilson eda2a9ec89 Rearrange some Neon multiclasses. No functional changes. 
llvm-svn: 122119
 2010-12-18 00:42:58 +00:00
Sean Callanan ed85f908d6 Fixed the handling of the _cmd parameter in the i386 
ABI.

llvm-svn: 122118
 2010-12-18 00:32:25 +00:00
Michael J. Spencer e169675474 Replace all uses of PathV1::getLast with PathV2::filename. 
llvm-svn: 122117
 2010-12-18 00:19:12 +00:00
Michael J. Spencer 762a55b19f Support/PathV1: Deprecate getLast. 
llvm-svn: 122116
 2010-12-18 00:19:10 +00:00
Michael J. Spencer 8c8125d74f CMake: Cleanup and document MSVC warning flags. 
llvm-svn: 122115
 2010-12-18 00:18:58 +00:00
Owen Anderson e663aeacf9 Add support to CallbackVH to receive notification when a Value's use-list changes. 
llvm-svn: 122114
 2010-12-18 00:07:15 +00:00
Jakob Stoklund Olesen bf4550e3fb Pass a Banner argument to the machine code verifier both from 
createMachineVerifierPass and MachineFunction::verify.

The banner is printed before the machine code dump, just like the printer pass.

llvm-svn: 122113
 2010-12-18 00:06:56 +00:00
Bob Wilson 00871c71e9 Fix result type of Neon floating-point comparisons against zero. 
The result vector elements are always integers.  Radar 8782191.

llvm-svn: 122112
 2010-12-18 00:04:33 +00:00
Bob Wilson f268d0303b Add some missing entries in ARMTargetLowering::getTargetNodeName. 
llvm-svn: 122111
 2010-12-18 00:04:26 +00:00
Bill Wendling 5e3605552e Whitespace fixes. No functionality change. 
llvm-svn: 122110
 2010-12-17 23:27:41 +00:00
Jakob Stoklund Olesen cf846100d8 Avoid dereferencing end() in collectInterferingVRegs() when there is no 
interference.

llvm-svn: 122108
 2010-12-17 23:16:38 +00:00
Jakob Stoklund Olesen 2e98ee31b3 Make the -verify-regalloc command line option available to base classes as 
RegAllocBase::VerifyEnabled.

Run the machine code verifier in a few interesting places during RegAllocGreedy.

llvm-svn: 122107
 2010-12-17 23:16:35 +00:00
Jakob Stoklund Olesen 1740e00104 Enable loop splitting in RegAllocGreedy. 
The heuristics split around the largest loop where the current register may be
allocated without interference.

llvm-svn: 122106
 2010-12-17 23:16:32 +00:00
Nate Begeman 7aa18bf46a Add vector versions of some existing scalar transforms to aid codegen in matching psign & pblend operations to the IR produced by clang/gcc for their C idioms. 
llvm-svn: 122105
 2010-12-17 23:12:19 +00:00
Bill Wendling 3fff1fd49b During local stack slot allocation, the materializeFrameBaseRegister function 
may be called. If the entry block is empty, the insertion point iterator will be
the "end()" value. Calling ->getParent() on it (among others) causes problems.

Modify materializeFrameBaseRegister to take the machine basic block and insert
the frame base register at the beginning of that block. (It's very similar to
what the code does all ready. The only difference is that it will always insert
at the beginning of the entry block instead of after a previous materialization
of the frame base register. I doubt that that matters here.)

<rdar://problem/8782198>

llvm-svn: 122104
 2010-12-17 23:09:14 +00:00
Bob Wilson 5408144add Fix a DAGCombiner crash when folding binary vector operations with constant 
BUILD_VECTOR operands where the element type is not legal.  I had previously
changed this code to insert TRUNCATE operations, but that was just wrong.

llvm-svn: 122102
 2010-12-17 23:06:49 +00:00
Bob Wilson 494d7f0367 Combine several vector-related DAGCombiner tests. 
llvm-svn: 122101
 2010-12-17 23:06:46 +00:00
Bob Wilson a7dabbd2cf Avoid report_fatal_error in ARM's PrintAsmOperand method. 
The standard error handling in AsmPrinter::EmitInlineAsm handles this much
better, so just use it.

llvm-svn: 122100
 2010-12-17 23:06:42 +00:00
Bob Wilson ec3ff9c727 Remove trailing whitespace. 
llvm-svn: 122099
 2010-12-17 23:06:32 +00:00
Nate Begeman 97b72c99d2 Add support for matching psign & plendvb to the x86 target 
Remove unnecessary pandn patterns, 'vnot' patfrag looks through bitcasts

llvm-svn: 122098
 2010-12-17 22:55:37 +00:00
Eric Christopher 62a78b04a8 Going back to the drawing board with these two awful hacks. 
llvm-svn: 122096
 2010-12-17 22:46:41 +00:00
Fariborz Jahanian 382c040da2 Warn when synthesizing a property which is 
implicitly atomic under -Wimplicit-atomic-properties
flag. // rdar://8774580

llvm-svn: 122095
 2010-12-17 22:28:16 +00:00
Jakob Stoklund Olesen 00b29fbdec Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees 
monotonic keys.

llvm-svn: 122093
 2010-12-17 22:07:54 +00:00
Jakob Stoklund Olesen 54912ed921 It is allowed to call IntervalMap::const_iterator::advanceTo() with a key that 
moves the iterator to end(), and it is valid to call it on end().

That means it is valid to call advanceTo() with any monotonic key sequence.

llvm-svn: 122092
 2010-12-17 22:07:51 +00:00
Owen Anderson 79855298b9 Thumb's forced-PC-alignment requirement applies to the _total_ displacement, not just to the fragment relative 
portion.  While the fragment boundary is usually already aligned, it is possible for it not to be, which 
would lead to a non-aligned final displacement.

llvm-svn: 122091
 2010-12-17 21:49:48 +00:00
Dale Johannesen cd538afa52 Add a transform to DAG Combiner. This improves the 
code for the case where 32-bit divide by constant is
turned into 64-bit multiply by constant.  8771012.

llvm-svn: 122090
 2010-12-17 21:45:49 +00:00
Michael J. Spencer 01a984023d Fix 80 col. 
llvm-svn: 122089
 2010-12-17 21:32:47 +00:00
Michael J. Spencer 1a4fe8c991 Fix spelling. 
llvm-svn: 122088
 2010-12-17 21:22:33 +00:00
Michael J. Spencer f28df4cdba Replace all uses of PathV1::isAbsolute with PathV2::is_{absolute,relative}. 
llvm-svn: 122087
 2010-12-17 21:22:22 +00:00
Michael J. Spencer 559e09e39d Support/Path: Deprecate PathV1::isAbsolute. 
llvm-svn: 122086
 2010-12-17 21:21:31 +00:00
Benjamin Kramer ffa42ced39 PathV2: Use StringRef::substr to simplify substring creation. 
llvm-svn: 122085
 2010-12-17 20:27:37 +00:00
Bill Wendling 95e69bf775 Initialize variables in the correct order. 
llvm-svn: 122084
 2010-12-17 19:53:28 +00:00
Douglas Gregor a97c80bcd2 Encapsulate TemplateArgument::Kind 
llvm-svn: 122083
 2010-12-17 19:31:15 +00:00
Jakob Stoklund Olesen a043b62870 Allow missing kill flags on an untied operand of a two-address instruction when 
the operand uses the same register as a tied operand:

  %r1 = add %r1, %r1

If add were a three-address instruction, kill flags would be required on at
least one of the uses. Since it is a two-address instruction, the tied use
operand must not have a kill flag.

This change makes the kill flag on the untied use operand optional.

llvm-svn: 122082
 2010-12-17 19:18:41 +00:00
Jakob Stoklund Olesen 213de04d75 Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap. 
llvm-svn: 122081
 2010-12-17 19:18:38 +00:00
Eric Christopher 4698e938b1 Horrible hack for systems that use -dumpversion with clang to expect versions 
that match gcc versions. Eew.

llvm-svn: 122080
 2010-12-17 19:13:21 +00:00
Eric Christopher 6cb5810a75 Nom nom nom, tasty unused option with an argument. 
llvm-svn: 122079
 2010-12-17 19:12:09 +00:00
Jim Grosbach 97f1de7347 If The ARM WriteNopData() gets an unaligned byte count to pad out, fill in with 
a partial value. rdar://8782954

llvm-svn: 122078
 2010-12-17 19:03:02 +00:00
Benjamin Kramer cb520cd8cb Missed some StringRefRefs. 
llvm-svn: 122077
 2010-12-17 18:59:09 +00:00
Jim Grosbach 06ab8b648c Add bits 31-28 to the Thumb2 encoding of TBB/TBH. 
llvm-svn: 122076
 2010-12-17 18:42:56 +00:00
Jim Grosbach 4416dfa8fb Handle 2 and 4 byte data blob fixup values for ARM. 
llvm-svn: 122075
 2010-12-17 18:39:10 +00:00
Benjamin Kramer 292b44baea Pass StringRefs by value, for consistency. 
llvm-svn: 122074
 2010-12-17 18:19:06 +00:00
Jakob Stoklund Olesen 38b6d494d5 Add MachineLoopRange comparators for sorting loop lists by number and by area. 
llvm-svn: 122073
 2010-12-17 18:13:52 +00:00
Owen Anderson 1294ea7d53 Reapply r121905 (automatic synthesis of @llvm.sadd.with.overflow) with a fix for a bug that manifested itself 
on the DragonEgg self-host bot.  Unfortunately, the testcase is pretty messy and doesn't reduce well due to
interactions with other parts of InstCombine.

llvm-svn: 122072
 2010-12-17 18:08:00 +00:00
Johnny Chen 9633214507 Fix wrong test logic -- should pass "-s address" option to "image dump symtab" 
in order to sort the output by address.

llvm-svn: 122071
 2010-12-17 18:02:08 +00:00
Rafael Espindola d11460a65b Store and free the TargetObjectWriter. 
llvm-svn: 122070
 2010-12-17 18:01:31 +00:00
Rafael Espindola 6b5e56c2b1 Stub out explicit MCELFObjectTargetWriter interface. 
llvm-svn: 122067
 2010-12-17 17:45:22 +00:00
Michael J. Spencer 6beb94f9c4 Cleanup and document .gitignore. 
llvm-svn: 122066
 2010-12-17 17:22:50 +00:00