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Author SHA1 Message Date
Duncan Sands
b0f45f192c Rather than using an ifdef on the target to zero out fields, 
just use memset to zero the entire struct.

llvm-svn: 108330
 2010-07-14 14:32:33 +00:00
Eli Friedman
7175d7558d A couple potential optimizations inspired by comment 4 in PR6773. 
llvm-svn: 108328
 2010-07-14 06:58:26 +00:00
Evan Cheng
f6478f489d Fix for PR7193 was overly conservative. The only case where sibcall callee 
address cannot be allocated a register is in 32-bit mode where the first
three arguments are marked inreg. In that case EAX, EDX, and ECX will be
used for argument passing.

This fixes PR7610.

llvm-svn: 108327
 2010-07-14 06:44:01 +00:00
Bob Wilson
34f481e895 Add support for NEON VMVN immediate instructions. 
llvm-svn: 108324
 2010-07-14 06:31:50 +00:00
Bob Wilson
298c5c46c1 The bits in the cmode field of 32-bit VMOV immediate instructions all depend 
of the value of the immediate.

llvm-svn: 108323
 2010-07-14 06:30:44 +00:00
Chris Lattner
38e6ecd9f1 revert r108320, I see the failures now... 
llvm-svn: 108322
 2010-07-14 06:16:35 +00:00
Chris Lattner
5822d6d579 reapply benjamin's instcombine patch, I don't see anything wrong with it and can't repro any problems with a manual self-host. 
llvm-svn: 108320
 2010-07-14 05:59:13 +00:00
Evan Cheng
7ff31f22a4 Re-enable the test with fix. 
llvm-svn: 108319
 2010-07-14 05:49:23 +00:00
Chris Lattner
b800dea3b6 temporarily disable to test to fix buildbots. 
llvm-svn: 108310
 2010-07-14 02:21:59 +00:00
Chris Lattner
25b9b8f2fc fix a bug found by a warning I added to clang this morning. 
llvm-svn: 108309
 2010-07-14 01:57:17 +00:00
Evan Cheng
72e40c4e08 Teach ProcessImplicitDefs to transform more COPY instructions into IMPLICIT_DEF (and subsequently eliminate them). This allows machine LICM to hoist IMPLICIT_DEF's. PR7620. 
llvm-svn: 108304
 2010-07-14 01:22:19 +00:00
Bob Wilson
0f581a998c Add an ARM-specific DAG combining to avoid redundant VDUPLANE nodes. 
Radar 7373643.

llvm-svn: 108303
 2010-07-14 01:22:12 +00:00
Dan Gohman
18711b19c9 Don't propagate debug locations to instructions for materializing 
constants, since they may not be emited near the other instructions
which get the same line, and this confuses debug info.

llvm-svn: 108302
 2010-07-14 01:07:44 +00:00
Bruno Cardoso Lopes
0616a418b6 Add AVX 256-bit compare instructions and a bunch of testcases 
llvm-svn: 108286
 2010-07-13 22:06:38 +00:00
Jakob Stoklund Olesen
9b5d14c0f0 Remove vestigial decl. 
llvm-svn: 108278
 2010-07-13 21:19:08 +00:00
Jakob Stoklund Olesen
04bbd415d6 Print VNInfo flags. 
llvm-svn: 108277
 2010-07-13 21:19:05 +00:00
Bob Wilson
7feb850d36 Use a target-specific VMOVIMM DAG node instead of BUILD_VECTOR to represent 
NEON VMOV-immediate instructions.  This simplifies some things.

llvm-svn: 108275
 2010-07-13 21:16:48 +00:00
Bruno Cardoso Lopes
7bc71d2d0a AVX 256-bit conversion instructions 
Add the x86 VEX_L form to handle special cases where VEX_L must be set.

llvm-svn: 108274
 2010-07-13 21:07:28 +00:00
Evan Cheng
d4c5f36755 Update comment. 
llvm-svn: 108272
 2010-07-13 21:03:14 +00:00
Dale Johannesen
f84a7f2b4f In inline asm treat indirect 'X' constraint as 'm'. 
This may not be right in all cases, but it's better
than asserting which it was doing before.  PR 7528.

llvm-svn: 108268
 2010-07-13 20:17:05 +00:00
Kevin Enderby
c26ac60ca8 Added a check that pusha cannot be encoded in 64-bit mode. 
llvm-svn: 108265
 2010-07-13 20:05:41 +00:00
Jakob Stoklund Olesen
b1bf1bcc9e Add an assertion to make PR7542 fail consistently. 
LiveInterval::overlapsFrom dereferences end() if it is called on an empty
interval.

It would be reasonable to just return false - an empty interval doesn't overlap
anything, but I want to know who is doing it first.

llvm-svn: 108264
 2010-07-13 19:56:28 +00:00
Dan Gohman
546332a032 Fix the Named Metadata example to make it clear which specific 
construct is the named metadata.

llvm-svn: 108263
 2010-07-13 19:48:13 +00:00
Dan Gohman
c17f8b89de Add support for empty named metadata too. This isn't particularly 
useful, but it is nice for consistency.

llvm-svn: 108262
 2010-07-13 19:42:44 +00:00
Jakob Stoklund Olesen
3726c5f775 Fix LiveInterval::overlaps so it doesn't claim touching intervals overlap. 
Also, one binary search is enough.

llvm-svn: 108261
 2010-07-13 19:42:20 +00:00
Dan Gohman
2ac1d3a2c9 Add support for empty metadata nodes: !{}. 
llvm-svn: 108259
 2010-07-13 19:33:27 +00:00
Evan Cheng
069f1f7c9a Extend the r107852 optimization which turns some fp compare to code sequence using only i32 operations. It now optimize some f64 compares when fp compare is exceptionally slow (e.g. cortex-a8). It also catches comparison against 0.0. 
llvm-svn: 108258
 2010-07-13 19:27:42 +00:00
Evan Cheng
67743f2057 Add an ARM "feature". Cortex-a8 fp comparison is very slow (> 20 cycles). 
llvm-svn: 108256
 2010-07-13 19:21:50 +00:00
Greg Clayton
f62e01f795 Patched Makefile.rules to allow objective C and objective C++ compilation. 
This allows LLDB (llvm/tools/lldb) to build on Mac OS X.

llvm-svn: 108255
 2010-07-13 18:47:09 +00:00
Evan Cheng
8cce7c7351 -enable-unsafe-fp-math should not imply -enable-finite-only-fp-math. 
llvm-svn: 108254
 2010-07-13 18:46:14 +00:00
Eric Christopher
f57bd9c94d Grammar. 
llvm-svn: 108252
 2010-07-13 18:27:13 +00:00
Dale Johannesen
57a48e254e Fix PR number. 
llvm-svn: 108251
 2010-07-13 18:14:47 +00:00
Chandler Carruth
e3d4a2cbbc Switch from EXPECT_EQ({true,false, ...) to the more canonical 
EXPECT_{TRUE,FALSE}(...) macros. This also prevents suprious warnings about
bool-to-pointer conversion that occurs withit EXPECT_EQ.

llvm-svn: 108248
 2010-07-13 17:28:05 +00:00
Devang Patel
4fca0435b3 Fix compile unit in example. Thanks Renato Golin! 
llvm-svn: 108246
 2010-07-13 16:53:20 +00:00
Duncan Sands
8864383748 Handle the case of a tail recursion in which the tail call is followed 
by a return that returns a constant, while elsewhere in the function
another return instruction returns a different constant.  This is a
special case of accumulator recursion, so just generalize the existing
logic a bit.

llvm-svn: 108241
 2010-07-13 15:41:41 +00:00
Gabor Greif
9772b3e74f rotate CallInst operands 
with this commit the callee moves to the end of
the operand array (from the start) and the call
arguments now start at index 0 (formerly 1)

this ordering is now consistent with InvokeInst

this commit only flips the switch,
functionally it is equivalent to
r101465

I intend to commit several cleanups after a few
days of soak period

llvm-svn: 108240
 2010-07-13 15:31:36 +00:00
Benjamin Kramer
9af04e360e HTML cleanup and validation. 
llvm-svn: 108239
 2010-07-13 12:26:09 +00:00
Duncan Sands
710b57b4b1 When doing sext/zext of constants, the target type must be strictly 
wider than the source type.  Correct LangRef.

llvm-svn: 108238
 2010-07-13 12:06:14 +00:00
Chris Lattner
2e188667df use a typedef instead of its expansion, patch by Michael Spencer 
llvm-svn: 108229
 2010-07-13 05:52:36 +00:00
Eric Christopher
bc774d339c 80-columns 
llvm-svn: 108228
 2010-07-13 05:50:08 +00:00
Bob Wilson
8c1f6adf81 Move NEON "modified immediate" encode/decode into ARMAddressingModes.h to 
avoid replicated code.

llvm-svn: 108227
 2010-07-13 04:44:34 +00:00
Chris Lattner
ddb09ea6ad my work on adding segment registers to LEA missed the 
disassembler.  Remove some code from the disassembler to
compensate, unbreaking disassembly of lea's.

llvm-svn: 108226
 2010-07-13 04:23:55 +00:00
Bruno Cardoso Lopes
ae37153b05 Add AVX 256-bit packed logical forms 
llvm-svn: 108224
 2010-07-13 02:38:35 +00:00
Bruno Cardoso Lopes
495ae629bb Add AVX 256-bit unop arithmetic instructions 
llvm-svn: 108223
 2010-07-13 01:53:31 +00:00
Bruno Cardoso Lopes
185483638b Since AVX is a superset of all SSE versions, only use HasAVX for AVX instructions 
llvm-svn: 108222
 2010-07-13 00:38:47 +00:00
Stephen Wilson
441f5e46b4 Bring ELF64 on par with ELF32, add a few magic constants and support ".dynamic" 
section entries.

llvm-svn: 108221
 2010-07-13 00:24:59 +00:00
Jakob Stoklund Olesen
dd322a3f4f Don't add memory operands to storeRegToStackSlot / loadRegFromStackSlot results, 
they already have one.

This fixes the himenobmtxpa miscompilation on ARM.

The PostRA scheduler got confused by the double memoperand and hoisted a stack
slot load above a store to the same slot.

llvm-svn: 108219
 2010-07-13 00:23:30 +00:00
David Greene
d81591ee09 Move some SIMD fragment code into X86InstrFragmentsSIMD so that the 
utility classes can be used from multiple files.  This will aid
transitioning to a new refactored x86 SIMD specification.

llvm-svn: 108213
 2010-07-12 23:41:28 +00:00
Bruno Cardoso Lopes
852e3bf472 Add AVX 256 binary arithmetic instructions 
llvm-svn: 108207
 2010-07-12 23:04:15 +00:00
Bruno Cardoso Lopes
b021506033 More refactoring of basic SSE arith instructions. Open room for 256-bit instructions 
llvm-svn: 108204
 2010-07-12 22:41:32 +00:00