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8075 Commits

Author SHA1 Message Date
Michael J. Spencer
c9c137b463 Properly emit _fltused with FastISel. Refactor to share code with SDAG. 
Patch by Joe Groff!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151183 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 19:06:13 +00:00
Chad Rosier
90f20044ad Remove extra semi-colons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151169 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 17:25:00 +00:00
Craig Topper
c528e462a1 Declare register classes as const. Fix a couple pointers to register classes that weren't already const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151138 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 07:28:11 +00:00
Craig Topper
44d23825d6 Make all pointers to TargetRegisterClass const since they are all pointers to static data that should not be modified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151134 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 05:59:10 +00:00
Aaron Ballman
57708abb10 Adding support for Microsoft's thiscall calling convention. LLVM side of the patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151123 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 03:04:40 +00:00
Ahmed Charles
b0934ab7d8 Remove dead code. Improve llvm_unreachable text. Simplify some control flow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 11:37:01 +00:00
Craig Topper
1bf724b28b Remove some unneeded includes and fix ordering in X86ISelLowering.cpp. Remove unneeded 'using namespace'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150916 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 07:15:48 +00:00
Craig Topper
dd637ae0c3 Unify all shuffle mask checking functions take a mask and VT instead of VectorShuffleSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150913 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 05:41:45 +00:00
Craig Topper
5aaffa8470 Make a bunch of X86ISelLowering shuffle functions static now that they are no longer needed by isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150908 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 02:53:47 +00:00
Jia Liu
44de83a7f6 some comment fix for X86 and ARM 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150902 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 02:03:36 +00:00
Craig Topper
28a713b20a Add vmfunc instruction to X86 assembler and disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150899 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 01:39:49 +00:00
Jia Liu
31d157ae1a Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-18 12:03:15 +00:00
Craig Topper
a771330366 Add X86InstrSVM.td that I forgot to add in r150873. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150874 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-18 08:34:12 +00:00
Craig Topper
9e3d0b3351 Add X86 assembler and disassembler support for AMD SVM instructions. Original patch by Kay Tiong Khoo. Few tweaks by me for code density and to reduce replication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150873 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-18 08:19:49 +00:00
Craig Topper
6e94e68b75 Remove the last of the old vector_shuffle patterns from X86 isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150795 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 07:02:34 +00:00
Jakob Stoklund Olesen
8b0a3f2df9 Remove the YMM_HI_6_15 hack. 
Call clobbers are now represented with register mask operands.  The
regmask can easily represent the fact that xmm6 is call-preserved while
ymm6 isn't.  This is automatically computed by TableGen from the
CalleeSavedRegs containing xmm6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150709 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-16 17:56:06 +00:00
Jakob Stoklund Olesen
527a08b253 Use the same CALL instructions for Windows as for everything else. 
The different calling conventions and call-preserved registers are
represented with regmask operands that are added dynamically.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150708 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-16 17:56:02 +00:00
Jakob Stoklund Olesen
8bcde2aa66 Enable register mask operands for x86 calls. 
Call instructions no longer have a list of 43 call-clobbered registers.
Instead, they get a single register mask operand with a bit vector of
call-preserved registers.

This saves a lot of memory, 42 x 32 bytes = 1344 bytes per call
instruction, and it speeds up building call instructions because those
43 imp-def operands no longer need to be added to use-def lists. (And
removed and shifted and re-added for every explicit call operand).

Passes like LiveVariables, LiveIntervals, RAGreedy, PEI, and
BranchFolding are significantly faster because they can deal with call
clobbers in bulk.

Overall, clang -O2 is between 0% and 8% faster, uniformly distributed
depending on call density in the compiled code.  Debug builds using
clang -O0 are 0% - 3% faster.

I have verified that this patch doesn't change the assembly generated
for the LLVM nightly test suite when building with -disable-copyprop
and -disable-branch-fold.

Branch folding behaves slightly differently in a few cases because call
instructions have different hash values now.

Copy propagation flushes its data structures when it crosses a register
mask operand. This causes it to leave a few dead copies behind, on the
order of 20 instruction across the entire nightly test suite, including
SPEC. Fixing this properly would require the pass to use different data
structures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150638 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-16 00:02:50 +00:00
Chad Rosier
15b4497333 Use a temporary variable, rather then a series of redundant calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150538 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-15 00:36:26 +00:00
Pete Cooper
9989a63818 Stop custom lowering forr x86 DEC64m from happening if the load in the lowered sequence has more than 1 user 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150537 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-15 00:33:37 +00:00
Craig Topper
233a64846e Move old movl vector_shuffle patterns. Not needed anymore since vector_shuffles shouldn't reach isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150462 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-14 08:14:53 +00:00
Craig Topper
7505626acd Still more vector_shuffle pattern removal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150365 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 07:23:41 +00:00
Ahmed Charles
b83a67e1e3 Fix various issues (or do cleanups) found by enabling certain MSVC warnings. 
- Use unsigned literals when the desired result is unsigned. This mostly allows unsigned/signed mismatch warnings to be less noisy even if they aren't on by default.
- Remove misplaced llvm_unreachable.
- Add static to a declaration of a function on MSVC x86 only.
- Change some instances of calling a static function through a variable to simply calling that function while removing the unused variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150364 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 06:30:56 +00:00
Craig Topper
4eaca023dc Remove more vector_shuffle patterns for unpack. These should be target specific nodes when they get to isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150363 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 05:48:49 +00:00
Craig Topper
3b17bf9a7c Recommit r150328. Previous test failures should be fixed by r150360. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150362 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 05:10:10 +00:00
Craig Topper
2dcd718c13 Update CanXFormVExtractWithShuffleIntoLoad to ensure bitcasts of loads only have one use. Matches DAGCombiner and prevents vector_shuffles from reaching isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150360 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 04:30:38 +00:00
NAKAMURA Takumi
7f42e9886e Revert r150328, "Remove more vector_shuffle patterns." 
It caused 3 failures on pre-penryn and non-x86(generic) hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150357 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 00:10:15 +00:00
Pete Cooper
ce3900849a Fixed bug when custom lowering DEC64m on x86. 
If the DEC node had more than one user, it was doing this lowering but
leaving the original DEC node around and so decrementing twice.

Fixes PR11964.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150356 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 00:10:03 +00:00
Craig Topper
cc9231a05d Remove more vector_shuffle patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150328 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-12 08:14:35 +00:00
Craig Topper
26f927951b Remove more vector_shuffle patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150321 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-12 01:07:34 +00:00
Craig Topper
1f2fa99b2a Remove more vector_shuffle patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150314 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 23:31:01 +00:00
Anton Korobeynikov
d4a19b6a72 Add support for implicit TLS model used with MS VC runtime. 
Patch by Kai Nacke!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150307 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 17:26:53 +00:00
Benjamin Kramer
6b30274e27 Don't mix declarations and code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150305 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 16:01:02 +00:00
Benjamin Kramer
88b6fc06db Make the EDis tables const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150304 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 14:51:07 +00:00
Benjamin Kramer
953362cdfb Reuse the enum names from X86Desc in the X86Disassembler. 
This requires some gymnastics to make it available for C code. Remove the names
from the disassembler tables, making them relocation free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150303 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 14:50:54 +00:00
Craig Topper
a819c397e7 Remove some patterns for matching vector_shuffle instructions since vector_shuffles should be custom lowered before isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150299 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 07:43:35 +00:00
Craig Topper
39a9e485f2 Fix shuffle lowering code to stop creating temporary DAG nodes to do shuffle mask checks on. This seemed to be confusing things such that vector_shuffle ops to got through to iselection. This is another step towards removing the vector_shuffle handling patterns from isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150296 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 06:24:48 +00:00
Craig Topper
f41ab77847 More tweaks to get the size of the X86 disassembler tables down. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150167 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 08:58:07 +00:00
Craig Topper
ce8f4c58d8 Flatten some of the arrays in the X86 disassembler tables to reduce space needed to store pointers on 64-bit hosts and reduce relocations needed at startup. Part of PR11953. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150161 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 07:45:30 +00:00
Jakob Stoklund Olesen
450b3850ce Handle register masks when searching for EFLAGS clobbers. 
Calls clobber the flags, but when using register masks there is no
EFLAGS<imp-def> operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150117 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:17:22 +00:00
Elena Demikhovsky
f602040c49 Fixed a bug in printing "cmp" pseudo ops. 
> This IR code
> %res = call <8 x float> @llvm.x86.avx.cmp.ps.256(<8 x float> %a0, <8 x float> %a1, i8 14)
> fails with assertion:
>
> llc: X86ATTInstPrinter.cpp:62: void llvm::X86ATTInstPrinter::printSSECC(const llvm::MCInst*, unsigned int, llvm::raw_ostream&): Assertion `0 && "Invalid ssecc argument!"' failed.
> 0  llc             0x0000000001355803
> 1  llc             0x0000000001355dc9
> 2  libpthread.so.0 0x00007f79a30575d0
> 3  libc.so.6       0x00007f79a23a1945 gsignal + 53
> 4  libc.so.6       0x00007f79a23a2f21 abort + 385
> 5  libc.so.6       0x00007f79a239a810 __assert_fail + 240
> 6  llc             0x00000000011858d5 llvm::X86ATTInstPrinter::printSSECC(llvm::MCInst const*, unsigned int, llvm::raw_ostream&) + 119

I added the full testing for all possible pseudo-ops of cmp.
I extended X86AsmPrinter.cpp and X86IntelInstPrinter.cpp.

You'l also see lines alignments (unrelated to this fix) in X86IselLowering.cpp from my previous check-in.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150068 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 08:37:26 +00:00
Craig Topper
bc0e4bf754 Remove a couple unneeded intrinsic patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150067 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 08:29:30 +00:00
Craig Topper
5a313bb7e8 Remove GCC builtins for vpermilp* intrinsics as clang no longer needs them. Custom lower the intrinsics to the vpermilp target specific node and remove intrinsic patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150060 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 06:36:57 +00:00
Evan Cheng
de1df103b9 Use LEA to adjust stack ptr for Atom. Patch by Andy Zhang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150008 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 22:50:41 +00:00
Craig Topper
dbd98a4b1b Add instruction selection for 256-bit VPSHUFD and 128-bit VPERMILPS/VPERMILPD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149968 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 06:28:42 +00:00
Derek Schuff
2ea93875b2 Enable streaming of bitcode 
This CL delays reading of function bodies from initial parse until
materialization, allowing overlap of compilation with bitcode download.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 22:30:29 +00:00
Chris Lattner
7302d80490 Remove some dead code and tidy things up now that vectors use ConstantDataVector 
instead of always using ConstantVector.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149912 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 21:56:39 +00:00
Benjamin Kramer
699ddcbcb3 X86: Don't call malloc for 4 bits. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149866 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 12:06:18 +00:00
Craig Topper
d156dc11f9 Add shuffle decoding support for 256-bit pshufd. Merge vpermilp* and pshufd decoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149859 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 07:17:51 +00:00
Duncan Sands
5b8a1db7ea Persuade GCC that there is nothing worth warning about here (there isn't). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149834 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:20:11 +00:00