David Chisnall [Tue, 4 Oct 2011 19:36:30 +0000 (19:36 +0000)]
Tell people using the tutorial how to make it actually work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141103
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David Greene [Tue, 4 Oct 2011 18:55:40 +0000 (18:55 +0000)]
Test Operand Arguments
Add a test to do list manipulation and pass the result as arguments.
This tests the new list element operator resolve code and provides an
example of using list manipulation to do instruction pattern
substitution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141102
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David Greene [Tue, 4 Oct 2011 18:55:36 +0000 (18:55 +0000)]
Allow Operator Arguments
When resolving an operator list element reference, resolve all
operator operands and try to fold the operator first. This allows the
operator to collapse to a list which may then be indexed.
Before, it was not possible to do this:
class D<int a, int b> { ... }
class C<list<int> A> : D<A[0], A[1]>;
class B<list<int> b> : C<!foreach(...,b)>;
Now it is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141101
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Jim Grosbach [Tue, 4 Oct 2011 18:43:15 +0000 (18:43 +0000)]
Un-XFAIL the file. Disable only the individual tests that aren't working yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141099
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Ted Kremenek [Tue, 4 Oct 2011 18:22:24 +0000 (18:22 +0000)]
Unbreak CMake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141097
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Jim Grosbach [Tue, 4 Oct 2011 17:49:45 +0000 (17:49 +0000)]
Tidy up. Formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141096
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Devang Patel [Tue, 4 Oct 2011 17:24:48 +0000 (17:24 +0000)]
Put GCOVFile and other related interface in a common header so that llvm-cov tool can share it with GCOV writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141095
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Francois Pichet [Tue, 4 Oct 2011 16:28:07 +0000 (16:28 +0000)]
Unbreak MSVC build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141093
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David Dean [Tue, 4 Oct 2011 16:26:41 +0000 (16:26 +0000)]
Fix PR9833/PR11054 (patch provided by Patrik Hägglund)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141092
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Jakob Stoklund Olesen [Tue, 4 Oct 2011 15:28:49 +0000 (15:28 +0000)]
Teach TableGen to infer missing register classes.
The set of register classes should be closed under sub-register
operations and intersections. That will allow the register allocator to
model combinations of constraints accurately.
This patch implements the easiest form of register class inference: For
every register class, and for every sub-register SubIdx, the subset of
registers in RC that have a SubIdx sub-register should also be a register
class.
This does create some new register classes for the targets in the tree:
ARM gets a new QQQQPR_with_ssub_0. This class was omitted from the .td
file on purpose because it only has two registers. InstrEmitter and
RegisterCoalescer have safeguards against selecting too small register
classes, so it is harmless.
PowerPC gets a G8RC_with_sub_32 class because LR is not a sub_32
sub-register of LR8. I think that might be an omission?
X86 puts RIP in the GR64 class, and since that register doesn't have
8-bit sub-registers, we get:
GR64_with_sub_8bit
GR64_TC_with_sub_8bit
GR64_NOREX_with_sub_8bit
GR64_TC_with_sub_8bit_hi
The various CodeGen classes have already been fixed so adding new
register classes should not affect compile time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141084
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Jakob Stoklund Olesen [Tue, 4 Oct 2011 15:28:47 +0000 (15:28 +0000)]
Teach PPCInstrInfo to handle sub-classes.
This has already been done for most other targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141083
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Jakob Stoklund Olesen [Tue, 4 Oct 2011 15:28:44 +0000 (15:28 +0000)]
TableGen: Store all allocation orders together.
There is no need to keep the primary order separate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141082
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Jakob Stoklund Olesen [Tue, 4 Oct 2011 15:28:08 +0000 (15:28 +0000)]
TableGen: Privatize CodeGenRegisterClass::TheDef and Name.
When TableGen starts creating its own register classes, the synthesized
classes won't have a Record reference. All register classes must have a
name, though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141081
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Jakob Stoklund Olesen [Tue, 4 Oct 2011 15:27:53 +0000 (15:27 +0000)]
TableGen: Don't add synthetic Records to the RecordKeeper.
The RecordKeeper could be shared by multiple target instances, causing
duplicate record errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141080
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Che-Liang Chiou [Tue, 4 Oct 2011 15:14:51 +0000 (15:14 +0000)]
tblgen: add preprocessor as a separate mode
This patch adds a preprocessor that can expand nested for-loops for
saving some copy-n-paste in *.td files.
The preprocessor is not yet integrated with TGParser, and so it has
no direct effect on *.td inputs. However, you may preprocess an td
input (and only preprocess it).
To test the proprecessor, type:
tblgen -E -o $@ $<
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141079
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Nadav Rotem [Tue, 4 Oct 2011 12:05:35 +0000 (12:05 +0000)]
Set operation actions to legal types only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141075
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Nadav Rotem [Tue, 4 Oct 2011 10:03:32 +0000 (10:03 +0000)]
Operations should be custom lowered only if their type is legal.
Test: CellSPU/v2i32.ll when running with -promote-elements
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141074
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Nick Lewycky [Tue, 4 Oct 2011 06:51:26 +0000 (06:51 +0000)]
The product of two chrec's can always be represented as a chrec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141066
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Craig Topper [Tue, 4 Oct 2011 06:30:42 +0000 (06:30 +0000)]
Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141065
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Andrew Trick [Tue, 4 Oct 2011 03:50:44 +0000 (03:50 +0000)]
LSR should avoid redundant edge splitting.
This handles the case in which LSR rewrites an IV user that is a phi and
splits critical edges originating from a switch.
Fixes <rdar://problem/
6453893> LSR is not splitting edges "nicely"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141059
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Andrew Trick [Tue, 4 Oct 2011 03:34:49 +0000 (03:34 +0000)]
whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141058
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Rafael Espindola [Tue, 4 Oct 2011 03:08:43 +0000 (03:08 +0000)]
Remove last references to hotpatch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141057
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Peter Collingbourne [Tue, 4 Oct 2011 00:30:34 +0000 (00:30 +0000)]
Exclude libLLVMTableGen.a from the shared library
Unbreaks tools for --enable-shared build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141052
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Bill Wendling [Tue, 4 Oct 2011 00:16:40 +0000 (00:16 +0000)]
Generic cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141050
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Andrew Trick [Tue, 4 Oct 2011 00:07:02 +0000 (00:07 +0000)]
Unit test for r140919, loop unroll heuristics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141049
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Jim Grosbach [Mon, 3 Oct 2011 23:40:13 +0000 (23:40 +0000)]
Tidy up. These tests are covered in the .s file tests now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141047
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Jim Grosbach [Mon, 3 Oct 2011 23:38:36 +0000 (23:38 +0000)]
ARM assembly parsing and encoding for VMOV immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141046
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Jim Grosbach [Mon, 3 Oct 2011 23:03:26 +0000 (23:03 +0000)]
Tidy up. 80 columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141043
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Bill Wendling [Mon, 3 Oct 2011 22:44:15 +0000 (22:44 +0000)]
Use the PC label ID rather than '1'. Add support for thumb-2, because I heard that some people use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141042
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Bill Wendling [Mon, 3 Oct 2011 22:42:40 +0000 (22:42 +0000)]
Don't carry over the dispatchsetup hack from the old system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141040
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Jim Grosbach [Mon, 3 Oct 2011 22:30:24 +0000 (22:30 +0000)]
ARM parsing/encoding for VCMP/VCMPE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141038
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Nick Lewycky [Mon, 3 Oct 2011 21:30:08 +0000 (21:30 +0000)]
Fix typo in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141032
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Bill Wendling [Mon, 3 Oct 2011 21:25:38 +0000 (21:25 +0000)]
Check-pointing the new SjLj EH lowering.
This code will replace the version in ARMAsmPrinter.cpp. It creates a new
machine basic block, which is the dispatch for the return from a longjmp
call. It then shoves the address of that machine basic block into the correct
place in the function context so that the EH runtime will jump to it directly
instead of having to go through a compare-and-jump-to-the-dispatch bit. This
should be more efficient in the common case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141031
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Akira Hatanaka [Mon, 3 Oct 2011 21:24:30 +0000 (21:24 +0000)]
Move CHECK after entry label.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141030
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Akira Hatanaka [Mon, 3 Oct 2011 21:23:18 +0000 (21:23 +0000)]
Add support for 64-bit logical NOR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141029
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Akira Hatanaka [Mon, 3 Oct 2011 21:16:50 +0000 (21:16 +0000)]
Add support for 64-bit count leading ones and zeros instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141028
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Bill Wendling [Mon, 3 Oct 2011 21:15:28 +0000 (21:15 +0000)]
Move the grabbing of the jump buffer into the caller function, eliminating the need for returning a std::pair.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141026
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Jim Grosbach [Mon, 3 Oct 2011 21:12:43 +0000 (21:12 +0000)]
ARM assembly parsing and encoding for VMRS/FMSTAT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141025
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Akira Hatanaka [Mon, 3 Oct 2011 21:06:13 +0000 (21:06 +0000)]
Add support for 64-bit divide instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141024
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Devang Patel [Mon, 3 Oct 2011 20:59:18 +0000 (20:59 +0000)]
Add C api for Instruction->eraseFromParent().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141023
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Jim Grosbach [Mon, 3 Oct 2011 20:58:08 +0000 (20:58 +0000)]
Update test for 141010.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141022
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Jim Grosbach [Mon, 3 Oct 2011 20:51:59 +0000 (20:51 +0000)]
Thumb2 ADD/SUB can take SP as a destination register.
It's documented as a separate instruction to line up with the Thumb1
encodings, for which it really is a distinct instruction encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141020
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Akira Hatanaka [Mon, 3 Oct 2011 20:38:08 +0000 (20:38 +0000)]
Clean up MipsInstrInfo::copyPhysReg and handle copies from and to 64-bit integer
registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141019
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Akira Hatanaka [Mon, 3 Oct 2011 20:01:11 +0000 (20:01 +0000)]
Add support for 64-bit integer multiply instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141017
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Akira Hatanaka [Mon, 3 Oct 2011 19:28:44 +0000 (19:28 +0000)]
Add definitions of instructions which move values between 64-bit integer
registers and 64-bit HI and LO registers. Fix encoding of the 32-bit versions
of the instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141015
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Bob Wilson [Mon, 3 Oct 2011 18:48:16 +0000 (18:48 +0000)]
Find the strip tool that works with the specified SDKROOT. rdar://
10165908
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141013
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Jim Grosbach [Mon, 3 Oct 2011 17:59:31 +0000 (17:59 +0000)]
Tidy up a bit. Formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141010
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Craig Topper [Mon, 3 Oct 2011 17:28:23 +0000 (17:28 +0000)]
Add support for MOVBE and RDRAND instructions for the assembler and disassembler. Includes feature flag checking, but no instrinsic support. Fixes PR10832, PR11026 and PR11027.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141007
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Eric Christopher [Mon, 3 Oct 2011 15:49:20 +0000 (15:49 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141005
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Eric Christopher [Mon, 3 Oct 2011 15:49:16 +0000 (15:49 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141004
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Rafael Espindola [Mon, 3 Oct 2011 14:45:37 +0000 (14:45 +0000)]
Add the returns_twice attribute to LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001
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Craig Topper [Mon, 3 Oct 2011 08:14:29 +0000 (08:14 +0000)]
Treat VEX.vvvv as a 3-bit field outside of 64-bit mode. Prevents access to registers xmm8-xmm15 outside 64-bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140997
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Craig Topper [Mon, 3 Oct 2011 07:53:59 +0000 (07:53 +0000)]
Test updates that were supposed to go with r140993.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140994
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Craig Topper [Mon, 3 Oct 2011 07:51:09 +0000 (07:51 +0000)]
Fix VEX disassembling to ignore REX.RXBW bits in 32-bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140993
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Nick Lewycky [Mon, 3 Oct 2011 07:10:45 +0000 (07:10 +0000)]
Reapply r140979 with fix! We never did get a testcase, but careful review of the
logic by David Meyer revealed this bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140992
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Torok Edwin [Mon, 3 Oct 2011 06:41:46 +0000 (06:41 +0000)]
attempt to fix ocaml bindings: landing pads
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140991
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Nick Lewycky [Mon, 3 Oct 2011 05:14:59 +0000 (05:14 +0000)]
Revert r140979 due to reports of bootstrap failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140980
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Nick Lewycky [Mon, 3 Oct 2011 01:03:57 +0000 (01:03 +0000)]
Add one more case we compute a max trip count.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140979
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Craig Topper [Sun, 2 Oct 2011 21:08:12 +0000 (21:08 +0000)]
Fix some Intel syntax disassembly issues with instructions that implicitly use AL/AX/EAX/RAX such as ADD/SUB/ADC/SUBB/XOR/OR/AND/CMP/MOV/TEST.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140974
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Craig Topper [Sun, 2 Oct 2011 16:56:09 +0000 (16:56 +0000)]
Special case disassembler handling of REX.B prefix on NOP instruction to decode as XCHG R8D, EAX instead. Fixes PR10344.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140971
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Nick Lewycky [Sun, 2 Oct 2011 10:37:37 +0000 (10:37 +0000)]
Add a new icmp+select optz'n. Also shows off the load(cst) folding added in
r140966.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140969
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Nick Lewycky [Sun, 2 Oct 2011 09:12:55 +0000 (09:12 +0000)]
Enhance a couple places where we were doing constant folding of instructions,
but not load instructions. Noticed by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140966
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Craig Topper [Sun, 2 Oct 2011 04:54:26 +0000 (04:54 +0000)]
Fix typo in r140954.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140962
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Ted Kremenek [Sun, 2 Oct 2011 01:47:07 +0000 (01:47 +0000)]
Make canonicalization of ImmutableSetRef::asImmutableSet() semi-explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140959
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Craig Topper [Sat, 1 Oct 2011 21:20:14 +0000 (21:20 +0000)]
Fix disassembling of INVEPT and INVVPID to take operands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140955
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Craig Topper [Sat, 1 Oct 2011 19:54:56 +0000 (19:54 +0000)]
Fix disassembler handling of CRC32 which is an odd instruction that uses 0xf2 as an opcode extension and allows the opsize prefix. This necessitated adding IC_XD_OPSIZE and IC_64BIT_XD_OPSIZE contexts. Unfortunately, this increases the size of the disassembler tables. Fixes PR10702.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140954
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Chad Rosier [Sat, 1 Oct 2011 19:30:36 +0000 (19:30 +0000)]
Revert r140924 "Attempt to fix dynamic stack realignment for thumb1 functions."
to appease nightly testers. Not quite there yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140953
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Nadav Rotem [Sat, 1 Oct 2011 18:39:28 +0000 (18:39 +0000)]
Moved type construction out of the loop and added an assert on the legality of the type. Formatted lines to the 80 char limit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140952
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Peter Collingbourne [Sat, 1 Oct 2011 16:41:13 +0000 (16:41 +0000)]
Move TableGen's parser and entry point into a library
This is the first step towards splitting LLVM and Clang's tblgen executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951
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Bill Wendling [Sat, 1 Oct 2011 12:47:34 +0000 (12:47 +0000)]
No one should be using the method directly. Assert if they do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140947
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Bill Wendling [Sat, 1 Oct 2011 12:44:28 +0000 (12:44 +0000)]
Add a convenience method to tell if two things are equal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140946
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Bill Wendling [Sat, 1 Oct 2011 09:30:42 +0000 (09:30 +0000)]
Use the ARMConstantPoolMBB class to handle the MBB values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140943
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Bill Wendling [Sat, 1 Oct 2011 09:19:10 +0000 (09:19 +0000)]
Add ARMConstantPoolMBB to hold an MBB value in the constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140942
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Bill Wendling [Sat, 1 Oct 2011 09:05:12 +0000 (09:05 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140941
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Bill Wendling [Sat, 1 Oct 2011 09:04:18 +0000 (09:04 +0000)]
Remove now dead methods and ivar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140940
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Bill Wendling [Sat, 1 Oct 2011 08:58:29 +0000 (08:58 +0000)]
Use the new ARMConstantPoolSymbol class to handle external symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140939
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Bill Wendling [Sat, 1 Oct 2011 08:36:59 +0000 (08:36 +0000)]
Add an ARMConstantPool class for external symbols. This will split out the support for external symbols from the base class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140938
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Bill Wendling [Sat, 1 Oct 2011 08:02:05 +0000 (08:02 +0000)]
Remove now dead methods and ivar from ARMConstantPoolValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140937
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Bill Wendling [Sat, 1 Oct 2011 08:00:54 +0000 (08:00 +0000)]
Switch over to using ARMConstantPoolConstant for global variables, functions,
and block addresses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140936
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Bill Wendling [Sat, 1 Oct 2011 07:52:37 +0000 (07:52 +0000)]
Some more refactoring.
* Add a couple of Create methods to the ARMConstantPoolConstant class,
* Add its own version of getExistingMachineCPValue, and
* Modify hasSameValue to return false if the object isn't an ARMConstantPoolConstant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140935
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Bill Wendling [Sat, 1 Oct 2011 06:44:24 +0000 (06:44 +0000)]
Add a Create method that accepts 'kind' and 'pcadj' arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140934
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Bill Wendling [Sat, 1 Oct 2011 06:40:33 +0000 (06:40 +0000)]
Refactoring: Separate out the ARM constant pool Constant from the ARM constant
pool value.
It's not used right now, but will be soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140933
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Bob Wilson [Sat, 1 Oct 2011 02:47:54 +0000 (02:47 +0000)]
Subtarget getFeatureBits() returns a uint64_t, not unsigned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140928
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Chad Rosier [Sat, 1 Oct 2011 02:03:18 +0000 (02:03 +0000)]
Attempt to fix dynamic stack realignment for thumb1 functions. It is in fact
useful if an optimization assumes the stack has been realigned. Credit to
Eli for his assistance.
rdar://
10043857
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140924
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Andrew Trick [Sat, 1 Oct 2011 01:39:05 +0000 (01:39 +0000)]
Inlining and unrolling heuristics should be aware of free truncs.
We want heuristics to be based on accurate data, but more importantly
we don't want llvm to behave randomly. A benign trunc inserted by an
upstream pass should not cause a wild swings in optimization
level. See PR11034. It's a general problem with threshold-based
heuristics, but we can make it less bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140919
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Andrew Trick [Sat, 1 Oct 2011 01:27:56 +0000 (01:27 +0000)]
whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140916
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Michael J. Spencer [Sat, 1 Oct 2011 00:05:20 +0000 (00:05 +0000)]
Add Windows x64 stack walking support. Patch by Aaron Ballman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140906
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Jakob Stoklund Olesen [Fri, 30 Sep 2011 23:47:05 +0000 (23:47 +0000)]
Use precomputed BitVector for CodeGenRegisterClass::hasSubClass().
All the sub-class bit vectors are computed when first creating the
register bank.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140905
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Bill Wendling [Fri, 30 Sep 2011 23:40:29 +0000 (23:40 +0000)]
Filecheck-ize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140904
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Bill Wendling [Fri, 30 Sep 2011 23:21:11 +0000 (23:21 +0000)]
Add new line at end of file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140903
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Bill Wendling [Fri, 30 Sep 2011 23:19:55 +0000 (23:19 +0000)]
When inferring the pointer alignment, if the global doesn't have an initializer
and the alignment is 0 (i.e., it's defined globally in one file and declared in
another file) it could get an alignment which is larger than the ABI allows for
that type, resulting in aligned moves being used for unaligned loads.
For instance, in file A.c:
struct S s;
In file B.c:
struct {
// something long
};
extern S s;
void foo() {
struct S p = s;
// ...
}
this copy is a 'memcpy' which is turned into a series of 'movaps' instructions
on X86. But this is wrong, because 'struct S' has alignment of 4, not 16.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140902
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Nick Lewycky [Fri, 30 Sep 2011 22:19:53 +0000 (22:19 +0000)]
Promote comment to doxycomment. Adjust whitespace. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140899
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Jakob Stoklund Olesen [Fri, 30 Sep 2011 22:19:07 +0000 (22:19 +0000)]
Store sub-class lists as a bit vector.
This uses less memory and it reduces the complexity of sub-class
operations:
- hasSubClassEq() and friends become O(1) instead of O(N).
- getCommonSubClass() becomes O(N) instead of O(N^2).
In the future, TableGen will infer register classes. This makes it
cheap to add them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140898
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Jakob Stoklund Olesen [Fri, 30 Sep 2011 22:18:54 +0000 (22:18 +0000)]
Extract a slightly more general BitVector printer.
This one can also print 32-bit groups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140897
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Jakob Stoklund Olesen [Fri, 30 Sep 2011 22:18:51 +0000 (22:18 +0000)]
Move getCommonSubClass() into TRI.
It will soon need the context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140896
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Jakob Stoklund Olesen [Fri, 30 Sep 2011 22:18:45 +0000 (22:18 +0000)]
Compute lists of super-classes in CodeGenRegisterClass.
Use these lists instead of computing them on the fly in
RegisterInfoEmitter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140895
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Jim Grosbach [Fri, 30 Sep 2011 22:02:45 +0000 (22:02 +0000)]
Correct for my over-eager delete finger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140892
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Akira Hatanaka [Fri, 30 Sep 2011 21:55:40 +0000 (21:55 +0000)]
Add definition of MipsELFObjectWriter.
Patch by Reed Kotler at Mips Technologies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140891
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Akira Hatanaka [Fri, 30 Sep 2011 21:29:38 +0000 (21:29 +0000)]
Register the MC object streamer.
Patch by Reed Kotler at Mips Technologies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140887
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Akira Hatanaka [Fri, 30 Sep 2011 21:23:45 +0000 (21:23 +0000)]
Register Asm backend. Add functions to MipsAsmBackend.
Patch by Reed Kotler at Mips Technologies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140886
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