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Author SHA1 Message Date
Jakob Stoklund Olesen
87c6d25c71 Tweak debug spew. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 03:04:11 +00:00
Bill Wendling
a68a4fdf37 r120333 changed the opcode for the Thumb1 stuff from ARM::tMOVr to 
ARM::tMOVgpr2gpr. But this check didn't change. As a result, we were getting
misaligned references to the jump table from an ADR instruction.

There is a test case, but unfortunately it's sensitive to random code changes.

<rdar://problem/8782223>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 02:13:59 +00:00
Bill Wendling
cd080249fc RemoveUnusedCPEntries can change things. Track it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:53:06 +00:00
Rafael Espindola
a5ff979c11 Test for push being relaxed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:16:59 +00:00
Jakob Stoklund Olesen
dfe3b6d2a9 Check that the register is live-in to the loop header before inserting copies in 
the loop predecessors.

The register can be live-out from a predecessor without being live-in to the
loop header if there is a critical edge from the predecessor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122123 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:06:19 +00:00
Nick Lewycky
bb1744ec15 Fix GCC warning: 
lib/CodeGen/RegAllocGreedy.cpp:311: error: unused variable 'PhysReg' [-Wunused-variable]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:05:55 +00:00
Rafael Espindola
1ee03a835e Relax push instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:01:34 +00:00
Nick Lewycky
90862eeb7d Make LazyValueInfo non-recursive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 01:00:40 +00:00
Bob Wilson
094dd80ecc Rearrange some Neon multiclasses. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:42:58 +00:00
Michael J. Spencer
b3127bb06a Support/PathV1: Deprecate getLast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:19:10 +00:00
Michael J. Spencer
57e9104318 CMake: Cleanup and document MSVC warning flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:18:58 +00:00
Owen Anderson
a479b23256 Add support to CallbackVH to receive notification when a Value's use-list changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:07:15 +00:00
Jakob Stoklund Olesen
89cab93fe9 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:06:56 +00:00
Bob Wilson
3deb45149a Fix result type of Neon floating-point comparisons against zero. 
The result vector elements are always integers.  Radar 8782191.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:04:33 +00:00
Bob Wilson
3a75b9bc8f Add some missing entries in ARMTargetLowering::getTargetNodeName. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 00:04:26 +00:00
Bill Wendling
2d0537cdd8 Whitespace fixes. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:27:41 +00:00
Jakob Stoklund Olesen
8d12140437 Avoid dereferencing end() in collectInterferingVRegs() when there is no 
interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:16:38 +00:00
Jakob Stoklund Olesen
af24964251 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:16:35 +00:00
Jakob Stoklund Olesen
f428eb6c1b Enable loop splitting in RegAllocGreedy. 
The heuristics split around the largest loop where the current register may be
allocated without interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:16:32 +00:00
Nate Begeman
9a3dc55202 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:12:19 +00:00
Bill Wendling
976ef86689 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>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:09:14 +00:00
Bob Wilson
d727343a40 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:06:49 +00:00
Bob Wilson
4c6b3d35bb Combine several vector-related DAGCombiner tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:06:46 +00:00
Bob Wilson
9bb43e1675 Avoid report_fatal_error in ARM's PrintAsmOperand method. 
The standard error handling in AsmPrinter::EmitInlineAsm handles this much
better, so just use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:06:42 +00:00
Bob Wilson
26156456dd Remove trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 23:06:32 +00:00
Nate Begeman
b65c175d32 Add support for matching psign & plendvb to the x86 target 
Remove unnecessary pandn patterns, 'vnot' patfrag looks through bitcasts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 22:55:37 +00:00
Jakob Stoklund Olesen
d715e07efe Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees 
monotonic keys.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 22:07:54 +00:00
Jakob Stoklund Olesen
5049ee5b11 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 22:07:51 +00:00
Owen Anderson
175fb36f10 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 21:49:48 +00:00
Dale Johannesen
f5daf8bb7f 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 21:45:49 +00:00
Michael J. Spencer
48c166bceb Fix 80 col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 21:32:47 +00:00
Michael J. Spencer
965841cfe4 Support/Path: Deprecate PathV1::isAbsolute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 21:21:31 +00:00
Benjamin Kramer
3ce88c9290 PathV2: Use StringRef::substr to simplify substring creation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122085 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 20:27:37 +00:00
Jakob Stoklund Olesen
2f3a4aa550 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 19:18:41 +00:00
Jakob Stoklund Olesen
4aec85ae01 Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 19:18:38 +00:00
Jim Grosbach
a3dbd3a244 If The ARM WriteNopData() gets an unaligned byte count to pad out, fill in with 
a partial value. rdar://8782954

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 19:03:02 +00:00
Benjamin Kramer
7fb866643e Missed some StringRefRefs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:59:09 +00:00
Jim Grosbach
f0db261e97 Add bits 31-28 to the Thumb2 encoding of TBB/TBH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:42:56 +00:00
Jim Grosbach
6ec6eeb692 Handle 2 and 4 byte data blob fixup values for ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:39:10 +00:00
Benjamin Kramer
d53f3c864b Pass StringRefs by value, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122074 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:19:06 +00:00
Jakob Stoklund Olesen
090100fdb1 Add MachineLoopRange comparators for sorting loop lists by number and by area. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:13:52 +00:00
Owen Anderson
e63dda51c2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:08:00 +00:00
Rafael Espindola
31f3578b00 Store and free the TargetObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122070 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 18:01:31 +00:00
Rafael Espindola
6024c97ffa Stub out explicit MCELFObjectTargetWriter interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122067 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 17:45:22 +00:00
Michael J. Spencer
1f95a9db4b Cleanup and document .gitignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 17:22:50 +00:00
Michael J. Spencer
cc2a8fefb6 Support: Rename Path.h to PathV1.h and add a new Path.h that includes both V1 and V2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122065 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 17:22:36 +00:00
Rafael Espindola
285b3e5b61 Move createELFObjectWriter to its own header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 16:59:53 +00:00
Benjamin Kramer
14c0987bd9 SimplifyCFG: Ranges can be larger than 64 bits. Fixes Release-selfhost build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122054 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 10:48:14 +00:00
Benjamin Kramer
23dcd00ede Fix mismatched new[]/delete. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 09:56:50 +00:00
Kalle Raiskila
18aa393153 Don't feed 19 bit immediates to ILA. 
Patch (slightly modified) by Visa Putkinen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122052 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 09:36:09 +00:00