Evan Cheng [Fri, 14 May 2010 22:54:52 +0000 (22:54 +0000)]
Model VST*_UPD and VST*oddUPD pair with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103833
91177308-0d34-0410-b5e6-
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Dan Gohman [Fri, 14 May 2010 22:53:18 +0000 (22:53 +0000)]
Fast ISel trivially coalesces away no-op casts, so check for this when
setting kill flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103832
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:40:43 +0000 (22:40 +0000)]
Don't bother spilling before a return
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103831
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:40:40 +0000 (22:40 +0000)]
RegAllocLocal can count copies too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103830
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Bill Wendling [Fri, 14 May 2010 22:17:42 +0000 (22:17 +0000)]
SystemZ really does mean "has calls" and not just "adjusts stack." Go ahead and
replace the check with the appropriate predicate. Modify the testcase to reflect
the correct code. (It should be saving callee-saved registers on the stack
allocated by the calling fuction.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103829
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:02:56 +0000 (22:02 +0000)]
Track allocatable instead of reserved regs, and never take an unallocatable hint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103828
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Dan Gohman [Fri, 14 May 2010 22:01:14 +0000 (22:01 +0000)]
Don't set kill flags for instructions which the scheduler has cloned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103827
91177308-0d34-0410-b5e6-
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Dan Gohman [Fri, 14 May 2010 22:00:27 +0000 (22:00 +0000)]
BR is a barrier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103826
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Bill Wendling [Fri, 14 May 2010 21:58:35 +0000 (21:58 +0000)]
Several tail call tests apparently rely upon this being "adjusts stack" instead
of "has calls". That's probably wrong, but it needs further
investigation. Revert to the original behavior until this is settled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103824
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:52 +0000 (21:55 +0000)]
Avoid scanning the long tail of physreg operands on calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103823
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Devang Patel [Fri, 14 May 2010 21:55:50 +0000 (21:55 +0000)]
Do not forget to mark prcessed arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103822
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:50 +0000 (21:55 +0000)]
Count coalesced copies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103821
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:44 +0000 (21:55 +0000)]
Allow virtreg redefines when verifying for RegAllocFast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103820
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Bill Wendling [Fri, 14 May 2010 21:38:44 +0000 (21:38 +0000)]
This should happen if there are no calls, not if it just doesn't adjust the
stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103813
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Bill Wendling [Fri, 14 May 2010 21:28:24 +0000 (21:28 +0000)]
Revert r103804. The comment is correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103808
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Jim Grosbach [Fri, 14 May 2010 21:20:46 +0000 (21:20 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103807
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Jim Grosbach [Fri, 14 May 2010 21:19:48 +0000 (21:19 +0000)]
80 column and trailing whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103806
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Jim Grosbach [Fri, 14 May 2010 21:18:04 +0000 (21:18 +0000)]
add cmd line option to leave dbgvalues in during post-RA sceduling. Useful
while debugging what's mishandled about them in the post-RA pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103805
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Bill Wendling [Fri, 14 May 2010 21:17:29 +0000 (21:17 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103804
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Bill Wendling [Fri, 14 May 2010 21:14:32 +0000 (21:14 +0000)]
Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what
the variable actually tracks.
N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103802
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Devang Patel [Fri, 14 May 2010 21:04:45 +0000 (21:04 +0000)]
Test case for r103800.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103801
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Dan Gohman [Fri, 14 May 2010 21:01:44 +0000 (21:01 +0000)]
Lowering of atomic instructions can result in operands being
used more than once. If ISel had put a kill flag on one of them,
it's not valid to transfer the kill flag to each new instance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103799
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Devang Patel [Fri, 14 May 2010 21:01:35 +0000 (21:01 +0000)]
Add support to preserve type info for the variables that are removed by the optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103798
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Jakob Stoklund Olesen [Fri, 14 May 2010 20:28:32 +0000 (20:28 +0000)]
When verifying two-address instructions, check the following:
- Kill is implicit when use and def registers are identical.
- Only virtual registers can differ.
Add a -verify-fast-regalloc to run the verifier before the fast allocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103797
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Kevin Enderby [Fri, 14 May 2010 19:16:02 +0000 (19:16 +0000)]
Fix so "int3" is correctly accepted, added "into" and fixed "int" with an
argument, like "int $4", to not get an Assertion error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103791
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Evan Cheng [Fri, 14 May 2010 18:54:59 +0000 (18:54 +0000)]
Model VLD*_UPD and VLD*odd_UPD pair with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103790
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Daniel Dunbar [Fri, 14 May 2010 18:53:40 +0000 (18:53 +0000)]
MC/Mach-O/x86_64: Darwin's special "signed_N" relocation types should only be
used to replace a normal relocation, not a reference to a GOT entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103789
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Jakob Stoklund Olesen [Fri, 14 May 2010 18:03:25 +0000 (18:03 +0000)]
Simplify the handling of physreg defs and uses in RegAllocFast.
This adds extra security against using clobbered physregs, and it adds kill
markers to physreg uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103784
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Dan Gohman [Fri, 14 May 2010 16:46:02 +0000 (16:46 +0000)]
Set isTerminator on TRAP instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103778
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Dan Gohman [Fri, 14 May 2010 16:42:16 +0000 (16:42 +0000)]
Don't use isBarrier for the PowerPC sync instruction. isBarrier is for
control barriers, not memory ordering barriers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103777
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Dan Gohman [Fri, 14 May 2010 16:34:55 +0000 (16:34 +0000)]
Add mayLoad and mayStore flags to instructions which missed them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103776
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Dan Gohman [Fri, 14 May 2010 15:36:54 +0000 (15:36 +0000)]
Use regular PassManager instead of FunctionPassManager in opt, since it
isn't doing lazy streaming. This also fixes a missing doFinalization call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103774
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Dan Gohman [Fri, 14 May 2010 15:35:10 +0000 (15:35 +0000)]
Use PassManagerBase, to give clients the option of using either
FunctionPassManager or regular PassManager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103773
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Dan Gohman [Fri, 14 May 2010 15:29:31 +0000 (15:29 +0000)]
Add an isNodeHidden to the graph traits, to support definition of
subgraph views.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103772
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Daniel Dunbar [Fri, 14 May 2010 07:47:51 +0000 (07:47 +0000)]
XFAIL the test I added with vg_leak, apparently it is the first and only llc
-filetype=obj test, and -filetype=obj leaks a few objects. Added a FIXME, we
need to sort out the ownership model for the various MC objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103769
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Evan Cheng [Fri, 14 May 2010 07:37:40 +0000 (07:37 +0000)]
Get rid of the bit twiddling to read / set OpActions and ValueTypeActions. The small saving in memory isn't worth the increase in runtime and code complexity in my opinion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103768
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Daniel Dunbar [Fri, 14 May 2010 04:31:50 +0000 (04:31 +0000)]
Inline Asm: Ensure buffer is newline terminated to match how the text is printed.
- This is a hack, but I can't decide the best place to handle this. Chris?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103765
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Jakob Stoklund Olesen [Fri, 14 May 2010 04:30:51 +0000 (04:30 +0000)]
Enable opportunistic coalescing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103764
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Evan Cheng [Fri, 14 May 2010 02:13:41 +0000 (02:13 +0000)]
Added a QQQQ register file to model 4-consecutive Q registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103760
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Eric Christopher [Fri, 14 May 2010 01:50:28 +0000 (01:50 +0000)]
Add AsmParser support for darwin tbss directive.
Nothing uses this yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757
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Eric Christopher [Fri, 14 May 2010 01:38:54 +0000 (01:38 +0000)]
Fix a couple of typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103756
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Nick Lewycky [Fri, 14 May 2010 01:02:48 +0000 (01:02 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103755
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Daniel Dunbar [Fri, 14 May 2010 00:51:14 +0000 (00:51 +0000)]
MC: Switch to completely lazy layout.
- The eliminates the last major algorithmic problem with MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103754
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Daniel Dunbar [Fri, 14 May 2010 00:37:21 +0000 (00:37 +0000)]
MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103753
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Daniel Dunbar [Fri, 14 May 2010 00:37:17 +0000 (00:37 +0000)]
MC: Implicitly assign section addresses when the previous fragment is layed out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103752
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Daniel Dunbar [Fri, 14 May 2010 00:37:14 +0000 (00:37 +0000)]
MC: Switch MCFragment to storing the layout order index, not its index in the file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103751
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Daniel Dunbar [Fri, 14 May 2010 00:37:11 +0000 (00:37 +0000)]
MC: Change LayoutSection() to only do the section initializiation.
Also, elimminate MCAsmLayout::set*, which are no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103750
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Evan Cheng [Fri, 14 May 2010 00:21:45 +0000 (00:21 +0000)]
Fix comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103749
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Jakob Stoklund Olesen [Fri, 14 May 2010 00:02:23 +0000 (00:02 +0000)]
Trust kill flags from isel and later passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103748
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Jakob Stoklund Olesen [Fri, 14 May 2010 00:02:20 +0000 (00:02 +0000)]
Fix an embarrassing runtime regression for RegAllocFast.
This loop is quadratic in the capacity for a DenseMap:
while(!map.empty())
map.erase(map.begin());
Instead we now do a normal begin() - end() iteration followed by map.clear().
That also has the nice sideeffect of shrinking the map capacity on demand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103747
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Evan Cheng [Thu, 13 May 2010 23:55:47 +0000 (23:55 +0000)]
Adding a v8i64 512-bit vector type. This will be used to model ARM NEON intrinsics which translate into a pair of vld / vst instructions that can load / store 8 consecutive 64-bit (D) registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103746
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Dale Johannesen [Thu, 13 May 2010 23:50:42 +0000 (23:50 +0000)]
Implement a correct ui64->f32 conversion. The old
one was subject to double rounding in extreme cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103744
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Evan Cheng [Thu, 13 May 2010 23:25:21 +0000 (23:25 +0000)]
Eliminate use of magic numbers to access OpActions. It also has the effect of allowing more than 31 scalar value types. MAX_ALLOWED_VALUETYPE had already been updated to 64 a while back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103743
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Evan Cheng [Thu, 13 May 2010 23:01:26 +0000 (23:01 +0000)]
Fix up LoadExtActions, TruncStoreActions, and IndexedModeActions representation and setter and getter's so they will continue to work if the number of scalar ValueType's exceeds 31.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103742
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Jakob Stoklund Olesen [Thu, 13 May 2010 20:43:17 +0000 (20:43 +0000)]
Clean up RegAllocFast debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103739
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Daniel Dunbar [Thu, 13 May 2010 20:40:12 +0000 (20:40 +0000)]
MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103738
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Dan Gohman [Thu, 13 May 2010 20:34:42 +0000 (20:34 +0000)]
Teach MachineLICM and MachineSink how to clear kill flags conservatively
when they move instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103737
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Evan Cheng [Thu, 13 May 2010 20:14:58 +0000 (20:14 +0000)]
80 col violation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103733
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Evan Cheng [Thu, 13 May 2010 20:02:08 +0000 (20:02 +0000)]
Add comment about the pseudo registers QQ, each of which is a pair of Q registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103731
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Bob Wilson [Thu, 13 May 2010 19:58:24 +0000 (19:58 +0000)]
Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers.
Do not use those for Thumb1 functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103730
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Oscar Fuentes [Thu, 13 May 2010 19:34:06 +0000 (19:34 +0000)]
CMake: fixes 64 bit Visual Studio IDE build. Fixes bug 4936.
Patch by Dimitry Andric!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103727
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Dan Gohman [Thu, 13 May 2010 19:24:00 +0000 (19:24 +0000)]
Add a utility function for conservatively clearing kill flags, and make
use of it in MachineCSE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103726
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Dan Gohman [Thu, 13 May 2010 19:19:32 +0000 (19:19 +0000)]
An Instruction has a trivial kill only if its use is in the same
basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103725
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Daniel Dunbar [Thu, 13 May 2010 18:35:06 +0000 (18:35 +0000)]
MC: Factor out MCAssembler::ComputeFragmentSize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103724
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Daniel Dunbar [Thu, 13 May 2010 18:35:02 +0000 (18:35 +0000)]
Fix const ilist_node::get{Prev,Next}Node() to actually compile. Picky, picky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103723
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Jakob Stoklund Olesen [Thu, 13 May 2010 17:58:15 +0000 (17:58 +0000)]
Fix complete badness in bugpoint's IsARMArchitecture() function.
The revision history for this function is interesting, with multiple layers of
wrongness being introduced one at a time.
This fixes a weird issue where bugpoint -run-llc would suddenly exit 13 half way
through isolating a miscompilation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103721
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Nick Lewycky [Thu, 13 May 2010 17:41:06 +0000 (17:41 +0000)]
Actually run the test. Thanks Daniel Dunbar!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103720
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Daniel Dunbar [Thu, 13 May 2010 15:17:26 +0000 (15:17 +0000)]
MC: Add section layout order indices to MCSectionData.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103715
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Rafael Espindola [Thu, 13 May 2010 13:39:31 +0000 (13:39 +0000)]
Add an also-emit-llvm option to the gold plugin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103714
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Daniel Dunbar [Thu, 13 May 2010 08:43:37 +0000 (08:43 +0000)]
MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103711
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Daniel Dunbar [Thu, 13 May 2010 08:43:34 +0000 (08:43 +0000)]
MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103710
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Daniel Dunbar [Thu, 13 May 2010 08:43:31 +0000 (08:43 +0000)]
MC: Add MCAsmLayout::FragmentReplaced() helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103709
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Chandler Carruth [Thu, 13 May 2010 07:43:47 +0000 (07:43 +0000)]
Update tablegen to generate shorts instead of chars for subgroup arrays.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103704
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Anton Korobeynikov [Thu, 13 May 2010 07:41:57 +0000 (07:41 +0000)]
Properly set thread-local flag on globals during cpp emission
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103702
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Nick Lewycky [Thu, 13 May 2010 06:45:13 +0000 (06:45 +0000)]
Remove heinous tabs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103700
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Nick Lewycky [Thu, 13 May 2010 06:00:14 +0000 (06:00 +0000)]
Add testcase for r103653.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103699
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Nick Lewycky [Thu, 13 May 2010 05:48:45 +0000 (05:48 +0000)]
Replace the core comparison login in merge functions. We can now merge
vector<>::push_back() in:
int foo(vector<int> &a, vector<unsigned> &b) {
a.push_back(10);
b.push_back(11);
}
to two calls to the same push_back function, or fold away the two copies of
push_back() in:
struct T { int; };
struct S { char; };
vector<T*> t;
vector<S*> s;
void f(T *x) { t.push_back(x); }
void g(S *x) { s.push_back(x); }
but leave f() and g() separate, since they refer to two different global
variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103698
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Daniel Dunbar [Thu, 13 May 2010 03:50:50 +0000 (03:50 +0000)]
Fix -Asserts warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103697
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Daniel Dunbar [Thu, 13 May 2010 03:19:50 +0000 (03:19 +0000)]
MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by
utility functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103695
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Daniel Dunbar [Thu, 13 May 2010 03:19:36 +0000 (03:19 +0000)]
Fix -Asserts warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103694
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Daniel Dunbar [Thu, 13 May 2010 02:34:14 +0000 (02:34 +0000)]
MC: Switch to using explicit MCAlignFragments with OnlyAlignAddress bit instead
of manually doing padding/editing layout in LayoutSection().
- This probably seems like six-of-one and half-dozen of another, but there
is a method to my madness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103693
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Evan Cheng [Thu, 13 May 2010 01:12:06 +0000 (01:12 +0000)]
Bring back VLD1q and VST1q and use them for reloading / spilling Q registers. This allows folding loads and stores into VMOVQ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103692
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Daniel Dunbar [Thu, 13 May 2010 01:10:28 +0000 (01:10 +0000)]
MC/Mach-O: Add another zerofill test to improve coverage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103691
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Daniel Dunbar [Thu, 13 May 2010 01:10:26 +0000 (01:10 +0000)]
MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103690
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Daniel Dunbar [Thu, 13 May 2010 01:10:22 +0000 (01:10 +0000)]
MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103689
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Jakob Stoklund Olesen [Thu, 13 May 2010 00:19:43 +0000 (00:19 +0000)]
Take allocation hints from copy instructions to/from physregs.
This causes way more identity copies to be generated, ripe for coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103686
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Jakob Stoklund Olesen [Thu, 13 May 2010 00:19:39 +0000 (00:19 +0000)]
More asserts around physreg uses
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103685
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Evan Cheng [Thu, 13 May 2010 00:17:02 +0000 (00:17 +0000)]
Expand VMOVQQ into a pair of VMOVQ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103684
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Evan Cheng [Thu, 13 May 2010 00:16:46 +0000 (00:16 +0000)]
Mark some pattern-less instructions as neverHasSideEffects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103683
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Chris Lattner [Thu, 13 May 2010 00:10:34 +0000 (00:10 +0000)]
fix rdar://
7965971 and a fixme: use ParseIdentifier in
ParseDirectiveDarwinZerofill instead of hard coding the
check for identifier. This allows quoted symbol names to
be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103682
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Chris Lattner [Thu, 13 May 2010 00:02:47 +0000 (00:02 +0000)]
reapply r103668 with a fix. Never make "minor syntax changes"
after testing before committing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103681
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Evan Cheng [Thu, 13 May 2010 00:00:35 +0000 (00:00 +0000)]
If REG_SEQUENCE source is livein, copy it first. Also, update livevariables information when a copy is introduced.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103680
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Evan Cheng [Wed, 12 May 2010 23:59:42 +0000 (23:59 +0000)]
Do not attempt copy coalescing if the source and dest sub-register indices do not match.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103679
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Chris Lattner [Wed, 12 May 2010 23:40:59 +0000 (23:40 +0000)]
revert r103668 for now, it is apparently breaking things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103677
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Chris Lattner [Wed, 12 May 2010 23:13:36 +0000 (23:13 +0000)]
moffset forms of moves are x86-32 only, make the parser
lower them to the correct x86-64 instructions since we
don't have a clean way to handle this in td files yet.
rdar://
7947184
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103668
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Evan Cheng [Wed, 12 May 2010 23:13:12 +0000 (23:13 +0000)]
Fix some potential issues in the pseudo instruction expansion phase: copy implicit operands and memoperands. Also, expand instructions even if their defs are "dead" since they may have implicit kill operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103667
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Daniel Dunbar [Wed, 12 May 2010 22:56:23 +0000 (22:56 +0000)]
MC: Move MCAlignFragment::EmitNops value out of the constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103665
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Daniel Dunbar [Wed, 12 May 2010 22:51:38 +0000 (22:51 +0000)]
MC: Eliminate MCZeroFillFragment, it is no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103664
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Daniel Dunbar [Wed, 12 May 2010 22:51:35 +0000 (22:51 +0000)]
MC: Explicitly check that only virtual fragments appear in virtual sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103663
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Daniel Dunbar [Wed, 12 May 2010 22:51:32 +0000 (22:51 +0000)]
MC: Switch MCFillFragment to storing total fill size instead of a count. This allows using ValueSize==0 to represent a virtual fill.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103662
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