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Rafael Espindola [Wed, 8 Jun 2011 14:23:19 +0000 (14:23 +0000)]
Fix count.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132749
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Rafael Espindola [Wed, 8 Jun 2011 14:13:31 +0000 (14:13 +0000)]
Count how many phis we are creating.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132748
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Cameron Zwarich [Tue, 7 Jun 2011 23:54:00 +0000 (23:54 +0000)]
Fix an issue where the two-address conversion pass incorrectly rewrites untied
operands to an early clobber register. This fixes <rdar://problem/
9566076>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132738
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Rafael Espindola [Tue, 7 Jun 2011 23:26:45 +0000 (23:26 +0000)]
Fix a silly error I introduce in r131951.
Fixes PR10095.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132735
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Eric Christopher [Tue, 7 Jun 2011 22:20:13 +0000 (22:20 +0000)]
Create a new ARM directory for FrontendC tests and use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132734
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Chad Rosier [Tue, 7 Jun 2011 20:41:31 +0000 (20:41 +0000)]
Fixed a few illegal paths with llvm_unreachable. Patch by Cameron McInally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132732
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Chad Rosier [Tue, 7 Jun 2011 20:03:13 +0000 (20:03 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132730
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Akira Hatanaka [Tue, 7 Jun 2011 19:28:39 +0000 (19:28 +0000)]
Refactor MipsTargetLowering::EmitInstrWithCustomInserter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132726
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Akira Hatanaka [Tue, 7 Jun 2011 19:03:14 +0000 (19:03 +0000)]
Put back removed line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132725
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Akira Hatanaka [Tue, 7 Jun 2011 18:58:42 +0000 (18:58 +0000)]
Coding style fixes.
- Fix indentation.
- Move comments.
- Fit lines in 80 columns.
- Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132724
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Akira Hatanaka [Tue, 7 Jun 2011 18:16:51 +0000 (18:16 +0000)]
Use tabs to separate opcode and operand strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132718
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Akira Hatanaka [Tue, 7 Jun 2011 18:00:14 +0000 (18:00 +0000)]
Add comments for wrapper node patterns in MipsInstrInfo.td.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132717
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Roman Divacky [Tue, 7 Jun 2011 17:32:17 +0000 (17:32 +0000)]
Test that ".byte 1, 2, 3, 4" does the right thing.
Requested by nbjoerg!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132716
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Roman Divacky [Tue, 7 Jun 2011 17:31:02 +0000 (17:31 +0000)]
Make EmitIntValue() work properly on big-endian targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132715
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Stuart Hastings [Tue, 7 Jun 2011 15:23:11 +0000 (15:23 +0000)]
Tweak this test for ARM-hosted 'bot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132711
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Lang Hames [Tue, 7 Jun 2011 06:05:58 +0000 (06:05 +0000)]
Switched to DenseMap for allowed sets in PBQP. Reduces total LLC time by 15% on CINT2006 for x86-32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132707
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Nadav Rotem [Tue, 7 Jun 2011 05:23:58 +0000 (05:23 +0000)]
Move the legalizer tests to the X86 directory because the test uses the x86
codegen. Thanks Galina.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132706
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Akira Hatanaka [Tue, 7 Jun 2011 02:17:21 +0000 (02:17 +0000)]
Add test case for C++ exception handling and fix the following mistakes in MipsFrameLowering::emitPrologue:
- cfi directives are not inserted at the right location or in the right order.
- The source MachineLocation for the cfi directive that changes the cfa register
to $fp should be MachineLocation::VirtualFP.
- A PROLOG_LABEL that marks the beginning of cfi_offset directives for
callee-saved register is emitted even when no callee-saved registers are
saved.
- When a callee-saved double precision register is saved, two cfi_offset
directives, one for each of the paired single precision registers, should be
emitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132703
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Andrew Trick [Tue, 7 Jun 2011 00:38:12 +0000 (00:38 +0000)]
Fix a merge bug in preRAsched for handling physreg aliases.
I've been sitting on this long enough trying to find a test case. I
think the fix should go in now, but I'll keep working on the test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132701
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Andrew Trick [Tue, 7 Jun 2011 00:08:49 +0000 (00:08 +0000)]
Fix for setjmp/longjmp exception handling on ARM. setjmp clobbers CPSR.
rdar://problem/
9556069
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132699
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Jakob Stoklund Olesen [Mon, 6 Jun 2011 23:55:20 +0000 (23:55 +0000)]
Simplify local live range splitting's safeguard to fix PR10070.
When local live range splitting creates a live range with the same
number of instructions as the old range, mark it as RS_Local. When such
a range is seen again, require that it be split in a way that reduces
the number of instructions. That guarantees we are making progress while
still being able to perform 3 -> 2+3 splits as required by PR10070.
This also means that the PrevSlot map is no longer needed. This was also
used to estimate new spill weights, but that is no longer necessary
after slotIndexes::insertMachineInstrInMaps() got the extra Late
insertion argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132697
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Stuart Hastings [Mon, 6 Jun 2011 23:15:58 +0000 (23:15 +0000)]
Followup to 132458, omit unnecessary stack copy when x87 input is a
load. rdar://problem/
6373334
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132696
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Eli Friedman [Mon, 6 Jun 2011 22:45:46 +0000 (22:45 +0000)]
Add -O1/2/3 to bugpoint, so when you conclude opt -O2 reproduces an issue, you can just run bugpoint -O2. :) My implementation isn't precisely equivalent to what opt does, but as far as I can tell, it's close enough.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132695
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Eli Friedman [Mon, 6 Jun 2011 22:13:27 +0000 (22:13 +0000)]
We only do always-inlining at -O1; make opt reflect that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132693
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Jakob Stoklund Olesen [Mon, 6 Jun 2011 21:02:04 +0000 (21:02 +0000)]
Get allocation orders from RegisterClassInfo when possible.
Only target-dependent hints require callbacks. The RCI allocation order
has CSR aliases last according to their order of appearance in the
getCalleeSavedRegs list. This can depend on the calling convention.
This way, AllocationOrder::next doesn't have to check for reserved
registers, and CSRs are always allocated last, even with weird calling
conventions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132690
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Nadav Rotem [Mon, 6 Jun 2011 20:55:56 +0000 (20:55 +0000)]
Add methods to support the integer-promotion of vector types. Methods to
legalize SDNodes such as BUILD_VECTOR, EXTRACT_VECTOR_ELT, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132689
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Nick Lewycky [Mon, 6 Jun 2011 20:23:00 +0000 (20:23 +0000)]
This directory was missing the dg.exp to cause the tests to run. Some time since
it was added, the test has regressed, so XFAIL it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132686
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Stuart Hastings [Mon, 6 Jun 2011 20:03:22 +0000 (20:03 +0000)]
Test case for PR10085.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132682
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Stuart Hastings [Mon, 6 Jun 2011 16:44:31 +0000 (16:44 +0000)]
Avoid FGETSIGN of 80-bit types. Fixes PR10085.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132681
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Jakob Stoklund Olesen [Mon, 6 Jun 2011 16:36:30 +0000 (16:36 +0000)]
Don't try to be clever, just preserve the target's allocation order.
The order of registers returned by getCalleeSavedRegs is used to lay out
the fixed stack slots for CSRs. Some targets like their CSRs used from
one end, and some targets want them used from the other end.
When computing an allocation order, simply preserve the relative
ordering of CSRs that the target specifies in its allocation order.
Reordering CSRs would break some targets, ARM in particular.
We still place volatiles before the CSRs, providing slightly better
results with different calling conventions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132680
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Eli Friedman [Mon, 6 Jun 2011 05:46:34 +0000 (05:46 +0000)]
PR10077: fix fast-isel of extractvalue of aggregate constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132676
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Benjamin Kramer [Sun, 5 Jun 2011 18:20:05 +0000 (18:20 +0000)]
Harden tests for windows path separators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132671
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Benjamin Kramer [Sun, 5 Jun 2011 14:36:47 +0000 (14:36 +0000)]
Use path API for path concatenation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132668
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Rafael Espindola [Sun, 5 Jun 2011 02:43:45 +0000 (02:43 +0000)]
Basic support for macros with explicit arguments.
We still don't handle
* default values
* :req
* :vararg
* \()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132656
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Rafael Espindola [Sun, 5 Jun 2011 01:20:06 +0000 (01:20 +0000)]
Produce an undefined reference to _GLOBAL_OFFSET_TABLE_ if we have a
VK_GOTOFF reloc. This matches as' behavior, but it is not clear why the linker
might need this, so I added a FIXME.
I could test this by duplicating test/MC/ELF/got.s, but it doesn't look
worthwhile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132655
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Jakob Stoklund Olesen [Sat, 4 Jun 2011 23:34:40 +0000 (23:34 +0000)]
Fix a test that keeps breaking when allocation orders change.
Who said FileCheck couldn't handle arbitrarily complex conditions?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132654
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Nadav Rotem [Sat, 4 Jun 2011 20:58:08 +0000 (20:58 +0000)]
TypeLegalizer: Add support for passing of vector-promoted types in registers (copyFromParts/copyToParts).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132649
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Nadav Rotem [Sat, 4 Jun 2011 20:32:01 +0000 (20:32 +0000)]
TypeLegalizer: Fix a bug in the promotion of elements of integer vectors.
(only happens when using the -promote-elements option).
The correct legalization order is to first try to promote element. Next, we try
to widen vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132648
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Nick Lewycky [Sat, 4 Jun 2011 18:16:26 +0000 (18:16 +0000)]
Refactor parsing of variable names (ie., %foo and @foo) since they have the same
rules. Also refactor "read string until quote" into its own function. No
functionality change!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132645
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Nick Lewycky [Sat, 4 Jun 2011 17:38:07 +0000 (17:38 +0000)]
Add support for @GOTPTOFF in i386 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132643
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Hans Wennborg [Sat, 4 Jun 2011 16:00:19 +0000 (16:00 +0000)]
Cast unused parameter to void.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132641
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Bill Wendling [Sat, 4 Jun 2011 09:42:04 +0000 (09:42 +0000)]
If the block that we're threading through is jumped to by an indirect branch,
then we don't want to set the destination in the indirect branch to the
destination. This is because the indirect branch needs its destinations to have
had their block addresses taken. This isn't so of the new critical edge that's
split during this process. If it turns out that the destination block has only
one predecessor, and that being a BB with an indirect branch, then it won't be
marked as 'used' and may be removed.
PR10072
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132638
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Jakob Stoklund Olesen [Sat, 4 Jun 2011 07:49:55 +0000 (07:49 +0000)]
Drop a RecordKeeper reference that wasn't necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132636
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Dan Gohman [Sat, 4 Jun 2011 07:05:05 +0000 (07:05 +0000)]
Add a testcase to demonstrate the problem where phi translation is
ignored for clobbering partial-alias loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132633
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Dan Gohman [Sat, 4 Jun 2011 06:50:18 +0000 (06:50 +0000)]
Reapply r131781, now that the GVN bug with partially-aliasing loads
is disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132632
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Dan Gohman [Sat, 4 Jun 2011 06:48:50 +0000 (06:48 +0000)]
Disable the main feature of 130180, the elimination of loads that are
redundant with partially-aliasing loads.
When computing what portion of a clobbering load value is needed,
it doesn't consider phi-translation which may have occurred
between the clobbing load and the redundant load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132631
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Dan Gohman [Sat, 4 Jun 2011 06:21:23 +0000 (06:21 +0000)]
Remove this test, which should have been reverted along with r131781.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132628
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Roman Divacky [Sat, 4 Jun 2011 06:15:42 +0000 (06:15 +0000)]
Use processor name in the target triple. This fixes PowerPC64 to generate
64bit code for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132627
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Dan Gohman [Sat, 4 Jun 2011 05:11:22 +0000 (05:11 +0000)]
Revert r131781 again. Apparently there is more going on here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132625
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Jakob Stoklund Olesen [Sat, 4 Jun 2011 05:09:36 +0000 (05:09 +0000)]
Silence compiler warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132624
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Jakob Stoklund Olesen [Sat, 4 Jun 2011 04:11:37 +0000 (04:11 +0000)]
Teach TableGen to evaluate DAG expressions as set operations.
A TableGen backend can define how certain classes can be expanded into
ordered sets of defs, typically by evaluating a specific field in the
record. The SetTheory class can then evaluate DAG expressions that refer
to these named sets.
A number of standard set and list operations are predefined, and the
backend can add more specialized operators if needed. The -print-sets
backend is used by SetTheory.td to provide examples.
This is intended to simplify how register classes are defined:
def GR32_NOSP : RegisterClass<"X86", [i32], 32, (sub GR32, ESP)>;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132621
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Nick Lewycky [Sat, 4 Jun 2011 02:07:10 +0000 (02:07 +0000)]
Fold assert-only-used variable into the assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132620
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Andrew Trick [Sat, 4 Jun 2011 01:30:52 +0000 (01:30 +0000)]
Missing include of climits in the new BranchProbability pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132616
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Andrew Trick [Sat, 4 Jun 2011 01:16:30 +0000 (01:16 +0000)]
New BranchProbabilityInfo analysis. Patch by Jakub Staszak!
BranchProbabilityInfo provides an interface for IR passes to query the
likelihood that control follows a CFG edge. This patch provides an
initial implementation of static branch predication that will populate
BranchProbabilityInfo for branches with no external profile
information using very simple heuristics. It currently isn't hooked up
to any external profile data, so static prediction does all the work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132613
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Dan Gohman [Sat, 4 Jun 2011 00:46:31 +0000 (00:46 +0000)]
Reapply r131781 (revert r131809), now that some BasicAA shortcomings
it exposed are fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132611
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Dan Gohman [Sat, 4 Jun 2011 00:31:50 +0000 (00:31 +0000)]
Fix BasicAA's recursion detection so that it doesn't pessimize
queries in the case of a DAG, where a query reaches a node
visited earlier, but it's not on a cycle. This avoids
MayAlias results in cases where BasicAA is expected to
return MustAlias or PartialAlias in order to protect TBAA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132609
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Stuart Hastings [Fri, 3 Jun 2011 23:53:54 +0000 (23:53 +0000)]
Reapply 132424 with fixes. This fixes PR10068.
rdar://problem/
5993888
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132606
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Jakob Stoklund Olesen [Fri, 3 Jun 2011 22:45:21 +0000 (22:45 +0000)]
Fix some tests that depend on register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132602
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Jakob Stoklund Olesen [Fri, 3 Jun 2011 22:45:18 +0000 (22:45 +0000)]
Blackfin always uses a reserved call frame.
Materializing the stack pointer update before a call requires a scratch
register that may not be available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132601
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Eric Christopher [Fri, 3 Jun 2011 22:09:12 +0000 (22:09 +0000)]
Another possible bug. Stopgap until we can autogenerate tables and
constraint lengths.
Part of rdar://
9037836 and rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132598
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Eric Christopher [Fri, 3 Jun 2011 20:56:31 +0000 (20:56 +0000)]
Testcase for llvm-gcc commit r132591.
Part of rdar://
9037836 and rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132592
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Eric Christopher [Fri, 3 Jun 2011 20:44:52 +0000 (20:44 +0000)]
Fix an off by one error.
Part of rdar://
9037836 and rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132590
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Bill Wendling [Fri, 3 Jun 2011 20:43:58 +0000 (20:43 +0000)]
Remove testcase. It's problematic for the buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132589
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Jakob Stoklund Olesen [Fri, 3 Jun 2011 20:34:53 +0000 (20:34 +0000)]
Switch AllocationOrder to using RegisterClassInfo instead of a BitVector
of reserved registers.
Use RegisterClassInfo in RABasic as well. This slightly changes som
allocation orders because RegisterClassInfo puts CSR aliases last.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132581
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Jakob Stoklund Olesen [Fri, 3 Jun 2011 20:34:50 +0000 (20:34 +0000)]
Preserve the original ordering when a CSR has multiple aliases.
Previously, these aliases would be ordered alphabetically. (BH, BL)
Print out the computed allocation orders.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132580
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Dan Gohman [Fri, 3 Jun 2011 20:17:36 +0000 (20:17 +0000)]
When merging MustAlias and PartialAlias, chose PartialAlias instead
of conservatively choosing MayAlias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132579
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Devang Patel [Fri, 3 Jun 2011 19:46:19 +0000 (19:46 +0000)]
Use IRBuilder, preserve line numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132578
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Bill Wendling [Fri, 3 Jun 2011 19:21:05 +0000 (19:21 +0000)]
Accomodate front-ends which use private instead of internal here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132575
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Eric Christopher [Fri, 3 Jun 2011 17:24:37 +0000 (17:24 +0000)]
Make the Uv constraint a memory operand. This doesn't solve the
addressing mode problem mentioned in r132559.
Backend part of rdar://
9037836 and part of rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132561
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Eric Christopher [Fri, 3 Jun 2011 17:21:23 +0000 (17:21 +0000)]
Add a TODO about memory operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132559
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Hans Wennborg [Fri, 3 Jun 2011 17:15:37 +0000 (17:15 +0000)]
Test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132558
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Devang Patel [Fri, 3 Jun 2011 17:04:51 +0000 (17:04 +0000)]
A typedef's context is not the same as type's context. It is the context of typedef decl itself. Use extra parameter to communicate this to DIBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132556
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Chad Rosier [Fri, 3 Jun 2011 17:02:19 +0000 (17:02 +0000)]
Revert name change from r132533. Lower case naming was intended per style guidelines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132555
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Roman Divacky [Fri, 3 Jun 2011 15:47:49 +0000 (15:47 +0000)]
Fix wrong usages of CTR/MCTR where CTR8/MCTR8 was meant.
- Check for MTCTR8 in addition to MTCTR when looking up a hazard.
- When lowering an indirect call use CTR8 when targeting 64bit.
- Introduce BCTR8 that uses CTR8 and use it on 64bit when expanding ISD::BRIND.
The last change fixes PR8487. With those changes, we are able to compile a
running "ls" and "sh" on FreeBSD/PowerPC64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132552
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Zhongxing Xu [Fri, 3 Jun 2011 08:29:51 +0000 (08:29 +0000)]
singed int causes signed extension, which contradicts the intention to pick up
integers with high 32 bits being zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132538
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Nick Lewycky [Fri, 3 Jun 2011 08:25:39 +0000 (08:25 +0000)]
Rework the logic to not rely on undefined behaviour (1LL << 64). Also simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132537
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Nick Lewycky [Fri, 3 Jun 2011 06:27:15 +0000 (06:27 +0000)]
Bail on unswitching a switch statement for a case with a critical edge. We name
which edge to split by pred/succ pair, which means that we can end up splitting
the wrong edge (by case value) in the switch statement entirely. Fixes PR10031!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132535
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Chad Rosier [Fri, 3 Jun 2011 05:09:12 +0000 (05:09 +0000)]
Whitespace and other cleanup. Functionallity unchanged.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132533
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Charles Davis [Fri, 3 Jun 2011 05:09:12 +0000 (05:09 +0000)]
Treat Win64 EH as a DWARF EH scheme. For GCC-style exceptions, the layout of
the handler's data area is similar to a DWARF-format LSDA. (It is, in fact,
a 32-bit pointer to the personality routine followed by the DWARF LSDA.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132532
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Andrew Trick [Fri, 3 Jun 2011 02:20:48 +0000 (02:20 +0000)]
Corrections and additional information for "Creating and LLVM Project"
documentation. This should now reflect the current state of LLVM Makefiles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132527
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Andrew Trick [Fri, 3 Jun 2011 02:16:53 +0000 (02:16 +0000)]
whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132526
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Eli Friedman [Fri, 3 Jun 2011 01:13:19 +0000 (01:13 +0000)]
Add ARM fast-isel support for materializing the address of a global in cases where the global uses an indirect symbol.
rdar://
9431157
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132522
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Andrew Trick [Fri, 3 Jun 2011 00:48:58 +0000 (00:48 +0000)]
Basic PassManager diagnostics.
Added asserts whenever attempting to use a potentially
uninitialized pass. This helps people trying to develop a new pass and
people trying to understand the bug reports filed by the former people.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132520
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Andrew Trick [Fri, 3 Jun 2011 00:44:32 +0000 (00:44 +0000)]
whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132519
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Andrew Trick [Thu, 2 Jun 2011 23:57:27 +0000 (23:57 +0000)]
Test case pasto (failed when run with IR verifier).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132516
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Jakob Stoklund Olesen [Thu, 2 Jun 2011 23:41:40 +0000 (23:41 +0000)]
Avoid calling TRI->getAllocatableSet in RAFast.
When compiling a program with lots of small functions like
483.xalancbmk, this makes RAFast 11% faster.
Add some comments to clarify the difference between unallocatable and
reserved registers. It's quite subtle.
The fast register allocator depends on EFLAGS' not being allocatable on
x86. That way it can completely avoid tracking liveness, and it won't
mind when there are multiple uses of a single def.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132514
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Eric Christopher [Thu, 2 Jun 2011 23:16:42 +0000 (23:16 +0000)]
Have LowerOperandForConstraint handle multiple character constraints.
Part of rdar://
9119939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132510
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Jakob Stoklund Olesen [Thu, 2 Jun 2011 23:07:24 +0000 (23:07 +0000)]
Flag unallocatable register classes instead of giving them empty
allocation orders.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132509
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Jakob Stoklund Olesen [Thu, 2 Jun 2011 23:07:20 +0000 (23:07 +0000)]
Make it possible to have unallocatable register classes.
Some register classes are only used for instruction operand constraints.
They should never be used for virtual registers. Previously, those
register classes were given an empty allocation order, but now you can
say 'let isAllocatable=0' in the register class definition.
TableGen calculates if a register is part of any allocatable register
class, and makes that information available in TargetRegisterDesc::inAllocatableClass.
The goal here is to eliminate use cases for overriding allocation_order_*
methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132508
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Devang Patel [Thu, 2 Jun 2011 22:46:58 +0000 (22:46 +0000)]
Preserve line number information while converting Invoke into a Call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132505
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Bill Wendling [Thu, 2 Jun 2011 22:26:15 +0000 (22:26 +0000)]
This should have been a C++ testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132504
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Jakob Stoklund Olesen [Thu, 2 Jun 2011 22:22:43 +0000 (22:22 +0000)]
Just use a SmallVector.
I was confused whether new uint8_t[] would zero-initialize the returned
array, and it seems that so is gcc-4.0.
This should fix the test failures on darwin 9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132500
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Bill Wendling [Thu, 2 Jun 2011 22:12:42 +0000 (22:12 +0000)]
Testcase for r132493.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132495
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Bill Wendling [Thu, 2 Jun 2011 22:11:49 +0000 (22:11 +0000)]
Update for r132493 change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132494
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Devang Patel [Thu, 2 Jun 2011 21:31:00 +0000 (21:31 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132488
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Devang Patel [Thu, 2 Jun 2011 21:26:52 +0000 (21:26 +0000)]
Update DBG_VALUEs while breaking anti dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132487
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Tanya Lattner [Thu, 2 Jun 2011 21:25:24 +0000 (21:25 +0000)]
Fix encoding for VEXTdf.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132486
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Eli Friedman [Thu, 2 Jun 2011 21:24:42 +0000 (21:24 +0000)]
PR10067: Add missing safety check to call return transformation in MemCpyOpt::processStore. If something accesses the dest of the "copy" between the call and the copy, the performCallSlotOptzn transformation is not valid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132485
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Devang Patel [Thu, 2 Jun 2011 20:07:12 +0000 (20:07 +0000)]
During post RA scheduling, do not try to chase reg defs. to preserve DBG_VALUEs. This approach has several downsides, for example, it does not work when dbg value is a constant integer, it does not work if reg is defined more than once, it places end of debug value range markers in the wrong place. It even causes misleading incorrect debug info when duplicate DBG_VALUE instructions point to same reg def.
Instead, use simpler approach and let DBG_VALUE follow its predecessor instruction. After live debug value analysis pass, all DBG_VALUE instruction are placed at the right place. Thanks Jakob for the hint!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132483
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Rafael Espindola [Thu, 2 Jun 2011 20:02:48 +0000 (20:02 +0000)]
Add test for PR10068.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132482
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