oota-llvm.git
13 years agoAdd a FIXME and explain a hack.
Rafael Espindola [Sat, 18 Dec 2010 04:19:20 +0000 (04:19 +0000)]
Add a FIXME and explain a hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122144 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Clarify deprecation warning.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:54 +0000 (04:13 +0000)]
Support/PathV1: Clarify deprecation warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122143 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix whitespace.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:46 +0000 (04:13 +0000)]
Fix whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122142 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Deprecate get{Basename,Dirname,Suffix}.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:36 +0000 (04:13 +0000)]
Support/PathV1: Deprecate get{Basename,Dirname,Suffix}.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122141 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the note.
Rafael Espindola [Sat, 18 Dec 2010 04:01:45 +0000 (04:01 +0000)]
Fix the note.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122139 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert 122011, 122012, 122013, 122023 adding back an important optimization.
Rafael Espindola [Sat, 18 Dec 2010 03:57:21 +0000 (03:57 +0000)]
Revert 122011, 122012, 122013, 122023 adding back an important optimization.
I added a note, but suggestions on how to add a test are really welcome.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122138 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoApparently, operandices is not a word.
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:28:32 +0000 (03:28 +0000)]
Apparently, operandices is not a word.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122135 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove some data to the TargetWriter.
Rafael Espindola [Sat, 18 Dec 2010 03:27:34 +0000 (03:27 +0000)]
Move some data to the TargetWriter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122134 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach the inline spiller to attempt folding a load instruction into its single
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:04:14 +0000 (03:04 +0000)]
Teach the inline spiller to attempt folding a load instruction into its single
use before rematerializing the load.

This allows us to produce:

    addps LCPI0_1(%rip), %xmm2

Instead of:

    movaps LCPI0_1(%rip), %xmm3
    addps %xmm3, %xmm2

Saving a register and an instruction. The standard spiller already knows how to
do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122133 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTweak debug spew.
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:04:11 +0000 (03:04 +0000)]
Tweak debug spew.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122132 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agor120333 changed the opcode for the Thumb1 stuff from ARM::tMOVr to
Bill Wendling [Sat, 18 Dec 2010 02:13:59 +0000 (02:13 +0000)]
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

13 years agoRemoveUnusedCPEntries can change things. Track it.
Bill Wendling [Sat, 18 Dec 2010 01:53:06 +0000 (01:53 +0000)]
RemoveUnusedCPEntries can change things. Track it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122129 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTest for push being relaxed.
Rafael Espindola [Sat, 18 Dec 2010 01:16:59 +0000 (01:16 +0000)]
Test for push being relaxed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122124 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCheck that the register is live-in to the loop header before inserting copies in
Jakob Stoklund Olesen [Sat, 18 Dec 2010 01:06:19 +0000 (01:06 +0000)]
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

13 years agoFix GCC warning:
Nick Lewycky [Sat, 18 Dec 2010 01:05:55 +0000 (01:05 +0000)]
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

13 years agoRelax push instructions.
Rafael Espindola [Sat, 18 Dec 2010 01:01:34 +0000 (01:01 +0000)]
Relax push instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122121 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake LazyValueInfo non-recursive.
Nick Lewycky [Sat, 18 Dec 2010 01:00:40 +0000 (01:00 +0000)]
Make LazyValueInfo non-recursive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122120 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRearrange some Neon multiclasses. No functional changes.
Bob Wilson [Sat, 18 Dec 2010 00:42:58 +0000 (00:42 +0000)]
Rearrange some Neon multiclasses.  No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122119 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Deprecate getLast.
Michael J. Spencer [Sat, 18 Dec 2010 00:19:10 +0000 (00:19 +0000)]
Support/PathV1: Deprecate getLast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122116 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCMake: Cleanup and document MSVC warning flags.
Michael J. Spencer [Sat, 18 Dec 2010 00:18:58 +0000 (00:18 +0000)]
CMake: Cleanup and document MSVC warning flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122115 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support to CallbackVH to receive notification when a Value's use-list changes.
Owen Anderson [Sat, 18 Dec 2010 00:07:15 +0000 (00:07 +0000)]
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

13 years agoPass a Banner argument to the machine code verifier both from
Jakob Stoklund Olesen [Sat, 18 Dec 2010 00:06:56 +0000 (00:06 +0000)]
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

13 years agoFix result type of Neon floating-point comparisons against zero.
Bob Wilson [Sat, 18 Dec 2010 00:04:33 +0000 (00:04 +0000)]
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

13 years agoAdd some missing entries in ARMTargetLowering::getTargetNodeName.
Bob Wilson [Sat, 18 Dec 2010 00:04:26 +0000 (00:04 +0000)]
Add some missing entries in ARMTargetLowering::getTargetNodeName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122111 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWhitespace fixes. No functionality change.
Bill Wendling [Fri, 17 Dec 2010 23:27:41 +0000 (23:27 +0000)]
Whitespace fixes. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122110 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid dereferencing end() in collectInterferingVRegs() when there is no
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:38 +0000 (23:16 +0000)]
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

13 years agoMake the -verify-regalloc command line option available to base classes as
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:35 +0000 (23:16 +0000)]
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

13 years agoEnable loop splitting in RegAllocGreedy.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:32 +0000 (23:16 +0000)]
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

13 years agoAdd vector versions of some existing scalar transforms to aid codegen in matching...
Nate Begeman [Fri, 17 Dec 2010 23:12:19 +0000 (23:12 +0000)]
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

13 years agoDuring local stack slot allocation, the materializeFrameBaseRegister function
Bill Wendling [Fri, 17 Dec 2010 23:09:14 +0000 (23:09 +0000)]
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

13 years agoFix a DAGCombiner crash when folding binary vector operations with constant
Bob Wilson [Fri, 17 Dec 2010 23:06:49 +0000 (23:06 +0000)]
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

13 years agoCombine several vector-related DAGCombiner tests.
Bob Wilson [Fri, 17 Dec 2010 23:06:46 +0000 (23:06 +0000)]
Combine several vector-related DAGCombiner tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122101 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid report_fatal_error in ARM's PrintAsmOperand method.
Bob Wilson [Fri, 17 Dec 2010 23:06:42 +0000 (23:06 +0000)]
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

13 years agoRemove trailing whitespace.
Bob Wilson [Fri, 17 Dec 2010 23:06:32 +0000 (23:06 +0000)]
Remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122099 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for matching psign & plendvb to the x86 target
Nate Begeman [Fri, 17 Dec 2010 22:55:37 +0000 (22:55 +0000)]
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

13 years agoAdd more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees
Jakob Stoklund Olesen [Fri, 17 Dec 2010 22:07:54 +0000 (22:07 +0000)]
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

13 years agoIt is allowed to call IntervalMap::const_iterator::advanceTo() with a key that
Jakob Stoklund Olesen [Fri, 17 Dec 2010 22:07:51 +0000 (22:07 +0000)]
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

13 years agoThumb's forced-PC-alignment requirement applies to the _total_ displacement, not...
Owen Anderson [Fri, 17 Dec 2010 21:49:48 +0000 (21:49 +0000)]
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

13 years agoAdd a transform to DAG Combiner. This improves the
Dale Johannesen [Fri, 17 Dec 2010 21:45:49 +0000 (21:45 +0000)]
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

13 years agoFix 80 col.
Michael J. Spencer [Fri, 17 Dec 2010 21:32:47 +0000 (21:32 +0000)]
Fix 80 col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122089 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/Path: Deprecate PathV1::isAbsolute.
Michael J. Spencer [Fri, 17 Dec 2010 21:21:31 +0000 (21:21 +0000)]
Support/Path: Deprecate PathV1::isAbsolute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122086 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPathV2: Use StringRef::substr to simplify substring creation.
Benjamin Kramer [Fri, 17 Dec 2010 20:27:37 +0000 (20:27 +0000)]
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

13 years agoAllow missing kill flags on an untied operand of a two-address instruction when
Jakob Stoklund Olesen [Fri, 17 Dec 2010 19:18:41 +0000 (19:18 +0000)]
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

13 years agoFix crash when IntervalMapOverlaps::advanceTo moves past the last overlap.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 19:18:38 +0000 (19:18 +0000)]
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

13 years agoIf The ARM WriteNopData() gets an unaligned byte count to pad out, fill in with
Jim Grosbach [Fri, 17 Dec 2010 19:03:02 +0000 (19:03 +0000)]
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

13 years agoMissed some StringRefRefs.
Benjamin Kramer [Fri, 17 Dec 2010 18:59:09 +0000 (18:59 +0000)]
Missed some StringRefRefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122077 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd bits 31-28 to the Thumb2 encoding of TBB/TBH.
Jim Grosbach [Fri, 17 Dec 2010 18:42:56 +0000 (18:42 +0000)]
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

13 years agoHandle 2 and 4 byte data blob fixup values for ARM.
Jim Grosbach [Fri, 17 Dec 2010 18:39:10 +0000 (18:39 +0000)]
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

13 years agoPass StringRefs by value, for consistency.
Benjamin Kramer [Fri, 17 Dec 2010 18:19:06 +0000 (18:19 +0000)]
Pass StringRefs by value, for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122074 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd MachineLoopRange comparators for sorting loop lists by number and by area.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 18:13:52 +0000 (18:13 +0000)]
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

13 years agoReapply r121905 (automatic synthesis of @llvm.sadd.with.overflow) with a fix for...
Owen Anderson [Fri, 17 Dec 2010 18:08:00 +0000 (18:08 +0000)]
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

13 years agoStore and free the TargetObjectWriter.
Rafael Espindola [Fri, 17 Dec 2010 18:01:31 +0000 (18:01 +0000)]
Store and free the TargetObjectWriter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122070 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStub out explicit MCELFObjectTargetWriter interface.
Rafael Espindola [Fri, 17 Dec 2010 17:45:22 +0000 (17:45 +0000)]
Stub out explicit MCELFObjectTargetWriter interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122067 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCleanup and document .gitignore.
Michael J. Spencer [Fri, 17 Dec 2010 17:22:50 +0000 (17:22 +0000)]
Cleanup and document .gitignore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122066 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport: Rename Path.h to PathV1.h and add a new Path.h that includes both V1 and V2.
Michael J. Spencer [Fri, 17 Dec 2010 17:22:36 +0000 (17:22 +0000)]
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

13 years agoMove createELFObjectWriter to its own header.
Rafael Espindola [Fri, 17 Dec 2010 16:59:53 +0000 (16:59 +0000)]
Move createELFObjectWriter to its own header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122064 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSimplifyCFG: Ranges can be larger than 64 bits. Fixes Release-selfhost build.
Benjamin Kramer [Fri, 17 Dec 2010 10:48:14 +0000 (10:48 +0000)]
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

13 years agoFix mismatched new[]/delete.
Benjamin Kramer [Fri, 17 Dec 2010 09:56:50 +0000 (09:56 +0000)]
Fix mismatched new[]/delete.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122053 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDon't feed 19 bit immediates to ILA.
Kalle Raiskila [Fri, 17 Dec 2010 09:36:09 +0000 (09:36 +0000)]
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

13 years agoUse getFixupKindInfo to implement isFixupKindPCRel, ELF version.
Rafael Espindola [Fri, 17 Dec 2010 07:28:17 +0000 (07:28 +0000)]
Use getFixupKindInfo to implement isFixupKindPCRel, ELF version.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122050 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoimprove switch formation to handle small range
Chris Lattner [Fri, 17 Dec 2010 06:20:15 +0000 (06:20 +0000)]
improve switch formation to handle small range
comparisons formed by comparisons.  For example,
this:

void foo(unsigned x) {
  if (x == 0 || x == 1 || x == 3 || x == 4 || x == 6)
    bar();
}

compiles into:

_foo:                                   ## @foo
## BB#0:                                ## %entry
cmpl $6, %edi
ja LBB0_2
## BB#1:                                ## %entry
movl %edi, %eax
movl $91, %ecx
btq %rax, %rcx
jb LBB0_3

instead of:

_foo:                                   ## @foo
## BB#0:                                ## %entry
cmpl $2, %edi
jb LBB0_4
## BB#1:                                ## %switch.early.test
cmpl $6, %edi
ja LBB0_3
## BB#2:                                ## %switch.early.test
movl %edi, %eax
movl $88, %ecx
btq %rax, %rcx
jb LBB0_4

This catches a bunch of cases in GCC, which look like this:

 %804 = load i32* @which_alternative, align 4, !tbaa !0
 %805 = icmp ult i32 %804, 2
 %806 = icmp eq i32 %804, 3
 %or.cond121 = or i1 %805, %806
 %807 = icmp eq i32 %804, 4
 %or.cond124 = or i1 %or.cond121, %807
 br i1 %or.cond124, label %.thread, label %808

turning this into a range comparison.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122045 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/ARM: Use aggressive symbol folding (important for jump tables, for example).
Daniel Dunbar [Fri, 17 Dec 2010 06:00:24 +0000 (06:00 +0000)]
MC/ARM: Use aggressive symbol folding (important for jump tables, for example).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122044 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Expr: Implemnt more aggressive folding during symbol evaluation using
Daniel Dunbar [Fri, 17 Dec 2010 05:50:33 +0000 (05:50 +0000)]
MC/Expr: Implemnt more aggressive folding during symbol evaluation using
IsSymbolRefDifferenceFullyResolved(). For example, we will now fold away
something like:
--
_a:
...
L0:
...
L1:
...
.long (L1 - L0) / 2
--

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122043 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: On second thought, use a custom hook for enabling aggressive
Daniel Dunbar [Fri, 17 Dec 2010 05:50:29 +0000 (05:50 +0000)]
MC/Mach-O: On second thought, use a custom hook for enabling aggressive
IsSymbolRefDifferenceFullyResolved, it turns out this does change behavior on
enough cases for x86-32 that I would rather wait a bit on it.
 - In practice, we will want to change this eventually because it only means we
   generate less relocations (it also eliminates the need for the horrible
   '.set' hack that Darwin requires in some places).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122042 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: Implement IsSymbolRefDifferenceFullyResolved.
Daniel Dunbar [Fri, 17 Dec 2010 04:54:58 +0000 (04:54 +0000)]
MC/Mach-O: Implement IsSymbolRefDifferenceFullyResolved.
 - Unlike for fixups, we always do the "reliable" thing (not just for x86_64).
 - Since Darwin 'as' would typically reject things that using this will allow,
   we don't need to worry about compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122038 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/ObjectWriter: Add a new IsSymbolRefDifferenceFullyResolved target format specific...
Daniel Dunbar [Fri, 17 Dec 2010 04:54:54 +0000 (04:54 +0000)]
MC/ObjectWriter: Add a new IsSymbolRefDifferenceFullyResolved target format specific hook.
 - Currently just has stub implementations for Mach-O, ELF, and COFF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122037 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProvide LiveIntervalUnion::Query::checkLoopInterference.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 04:09:47 +0000 (04:09 +0000)]
Provide LiveIntervalUnion::Query::checkLoopInterference.

This is a three-way interval list intersection between a virtual register, a
live interval union, and a loop. It will be used to identify interference-free
loops for live range splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122034 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Assembler: Strip out object writer arguments, now that it is always available
Daniel Dunbar [Fri, 17 Dec 2010 02:45:59 +0000 (02:45 +0000)]
MC/Assembler: Strip out object writer arguments, now that it is always available
-- and remove FIXME asking for the same!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122032 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Assembler: Make the MCObjectWriter available through the lifetime of the
Daniel Dunbar [Fri, 17 Dec 2010 02:45:41 +0000 (02:45 +0000)]
MC/Assembler: Make the MCObjectWriter available through the lifetime of the
assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122031 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTrailing whitespace and 80 column fixups.
Jim Grosbach [Fri, 17 Dec 2010 02:10:59 +0000 (02:10 +0000)]
Trailing whitespace and 80 column fixups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122026 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Target: Remove HasScatteredSymbols target hook variable, which has been
Daniel Dunbar [Fri, 17 Dec 2010 02:06:08 +0000 (02:06 +0000)]
MC/Target: Remove HasScatteredSymbols target hook variable, which has been
superceded and was effectively dead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122024 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Expr: Simplify.
Daniel Dunbar [Fri, 17 Dec 2010 02:05:45 +0000 (02:05 +0000)]
MC/Expr: Simplify.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122023 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoComplete tests for IntervalMapOverlaps.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 01:31:49 +0000 (01:31 +0000)]
Complete tests for IntervalMapOverlaps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122019 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix crash compiling a QQQQ REG_SEQUENCE for a Neon vld3_lane operation.
Bob Wilson [Fri, 17 Dec 2010 01:21:12 +0000 (01:21 +0000)]
Fix crash compiling a QQQQ REG_SEQUENCE for a Neon vld3_lane operation.
Radar 8776599

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122018 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse PairDRegs to implement ConcatVectors. No functionality change.
Bob Wilson [Fri, 17 Dec 2010 01:21:08 +0000 (01:21 +0000)]
Use PairDRegs to implement ConcatVectors.  No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122017 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a comment typo.
Bob Wilson [Fri, 17 Dec 2010 01:21:05 +0000 (01:21 +0000)]
Fix a comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122016 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNeon intrinsic tests need to be compiled for Cortex-A9 for f16 support.
Bob Wilson [Fri, 17 Dec 2010 01:21:03 +0000 (01:21 +0000)]
Neon intrinsic tests need to be compiled for Cortex-A9 for f16 support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122015 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r64460. strtol and friends cannot be marked readonly, even with
Dan Gohman [Fri, 17 Dec 2010 01:09:43 +0000 (01:09 +0000)]
Revert r64460. strtol and friends cannot be marked readonly, even with
a null endptr argument, because they may write to errno.

This fixes a seflhost miscompile observed on Linux targets when TBAA
was enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122014 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC: Remove another dead MCAssembler argument, and update clients.
Daniel Dunbar [Fri, 17 Dec 2010 01:07:35 +0000 (01:07 +0000)]
MC: Remove another dead MCAssembler argument, and update clients.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122013 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC: Remove dead MCAssembler argument -- Rafael, can you check the FIXME I added
Daniel Dunbar [Fri, 17 Dec 2010 01:07:31 +0000 (01:07 +0000)]
MC: Remove dead MCAssembler argument -- Rafael, can you check the FIXME I added
here?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122012 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment
Daniel Dunbar [Fri, 17 Dec 2010 01:07:28 +0000 (01:07 +0000)]
MC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment
in MCAsmLayout).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122011 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix 80-col viola.
Daniel Dunbar [Fri, 17 Dec 2010 01:07:25 +0000 (01:07 +0000)]
Fix 80-col viola.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122010 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWrite => in a more normal form.
Daniel Dunbar [Fri, 17 Dec 2010 01:07:22 +0000 (01:07 +0000)]
Write => in a more normal form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122009 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Expr: Simplify (and add a FIXME).
Daniel Dunbar [Fri, 17 Dec 2010 01:07:20 +0000 (01:07 +0000)]
MC/Expr: Simplify (and add a FIXME).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122008 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago"Fix" FDE alignment to match what gas does.
Rafael Espindola [Fri, 17 Dec 2010 00:28:02 +0000 (00:28 +0000)]
"Fix" FDE alignment to match what gas does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122006 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake pushq produce signed relocations.
Rafael Espindola [Thu, 16 Dec 2010 22:50:01 +0000 (22:50 +0000)]
Make pushq produce signed relocations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122005 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agollvm-dis: Fix memory leak. ParseBitcodeFile should be taking ownership of
Michael J. Spencer [Thu, 16 Dec 2010 22:37:52 +0000 (22:37 +0000)]
llvm-dis: Fix memory leak. ParseBitcodeFile should be taking ownership of
the MemoryBuffer*, however, it doesn't seem to delete it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122004 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd basic test exposing many bugs.
Jakob Stoklund Olesen [Thu, 16 Dec 2010 19:46:09 +0000 (19:46 +0000)]
Add basic test exposing many bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121995 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix MBlaze backend call instructions so that arguments passed through registers
Wesley Peck [Thu, 16 Dec 2010 19:41:31 +0000 (19:41 +0000)]
Fix MBlaze backend call instructions so that arguments passed through registers
are correctly marked as used. This removes a hack where the call instructions
marked all possible argument registers as used in the tablegen description.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121994 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPseudo-ize the Thumb1 tBfar pattern. rdar://8777974
Jim Grosbach [Thu, 16 Dec 2010 19:11:16 +0000 (19:11 +0000)]
Pseudo-ize the Thumb1 tBfar pattern. rdar://8777974

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121990 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Expr: Add a doxyment.
Daniel Dunbar [Thu, 16 Dec 2010 18:36:25 +0000 (18:36 +0000)]
MC/Expr: Add a doxyment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121988 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoOops, didn't mean to ignore .gitignore.
Daniel Dunbar [Thu, 16 Dec 2010 17:51:14 +0000 (17:51 +0000)]
Oops, didn't mean to ignore .gitignore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121985 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: Lift some MachObjectWriter arguments into the target specific
Daniel Dunbar [Thu, 16 Dec 2010 17:21:02 +0000 (17:21 +0000)]
MC/Mach-O: Lift some MachObjectWriter arguments into the target specific

interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121981 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agollvm-dis: Simplify MemoryBuffer usage.
Michael J. Spencer [Thu, 16 Dec 2010 16:23:38 +0000 (16:23 +0000)]
llvm-dis: Simplify MemoryBuffer usage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121975 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix whitespace.
Michael J. Spencer [Thu, 16 Dec 2010 16:23:30 +0000 (16:23 +0000)]
Fix whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121974 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface.
Daniel Dunbar [Thu, 16 Dec 2010 16:09:19 +0000 (16:09 +0000)]
MC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121973 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix indentation (per style guide).
Daniel Dunbar [Thu, 16 Dec 2010 16:08:43 +0000 (16:08 +0000)]
Fix indentation (per style guide).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121972 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h.
Daniel Dunbar [Thu, 16 Dec 2010 16:08:33 +0000 (16:08 +0000)]
MC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121971 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC/Mach-O: Use fixup info instead of hard coded list.
Daniel Dunbar [Thu, 16 Dec 2010 15:42:31 +0000 (15:42 +0000)]
MC/Mach-O: Use fixup info instead of hard coded list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121970 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agobuild: Fix ONLY_TOOLS to not build lto etc. unless specified.
Daniel Dunbar [Thu, 16 Dec 2010 15:42:26 +0000 (15:42 +0000)]
build: Fix ONLY_TOOLS to not build lto etc. unless specified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121969 91177308-0d34-0410-b5e6-96231b3b80d8