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52611 Commits

Author SHA1 Message Date
Craig Topper
cc30006391 Fix pattern for memory form of PSHUFD for use with FP vectors to remove bitcast to an integer vector that normal code wouldn't have. Also remove bitcasts from code that turns splat vector loads into a shuffle as it was making the broken pattern necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149232 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 07:50:31 +00:00
Chris Lattner
41b9920a13 fix a major oversight that is breaking some llvm-test tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149230 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 07:36:01 +00:00
Chris Lattner
36c744ff10 First step of flipping on ConstantDataSequential: enable ConstantDataVector 
to be formed whenever ConstantVector::get is used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149226 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 06:21:21 +00:00
Chris Lattner
b66fb5acbe when verbose asm is on, print integers in ConstantDataSequentials just 
like normal integers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149223 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 05:55:11 +00:00
Chris Lattner
6e64c381da don't lose tail padding on ConstantDataAggregate vec3's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149222 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 05:49:43 +00:00
Chris Lattner
0cd0d81492 Fix ConstantFoldShuffleVectorInstruction to properly handle the case 
when the result type has a different # elements than the input vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149221 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 05:34:13 +00:00
Craig Topper
86c7c583a3 Move some XOP patterns into instruction definition. Replae VPCMOV intrinsic patterns with custom lowering to a target specific nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149216 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 01:10:15 +00:00
Chris Lattner
d408f06048 Add bitcode reader and writer support for ConstantDataAggregate, which 
should be feature complete now.  Lets see if it works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149215 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 00:51:16 +00:00
Douglas Gregor
95fa4005f5 Move Clang's file-level locking facility over to LLVM's support 
library, since it doesn't really have anything to do with Clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149203 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-29 20:15:10 +00:00
Anton Korobeynikov
6edd5884c9 Cleanups for EABI standard functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149195 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-29 09:11:50 +00:00
Anton Korobeynikov
f349cb8f33 Use base AAPCS for varargs functions even for AAPCS-VFP CC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149194 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-29 09:06:09 +00:00
Jakob Stoklund Olesen
9f946a24d9 Fix some scavenger performance issues. 
- Don't call malloc+free in the very hot forward().
- Don't call isTiedToDefOperand().
- Don't create BitVector temporaries.
- Merge DeadRegs into KillRegs.
- Eliminate the early clobber checks, they were irrelevant to scavenging.
- Remove unnecessary code from -Asserts builds.

This speeds up ARM PEI by 3.4x and overall llc -O0 codegen time by 11%.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149189 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-29 01:29:28 +00:00
Jakob Stoklund Olesen
685c23e758 Avoid creating BitVector temporaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149188 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-29 01:29:25 +00:00
Nick Lewycky
5fef01db01 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149185 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 23:33:44 +00:00
Bob Wilson
7750ff1e3c Add a note about a potential optimization for clz/ctz patterns for ARM 
(and other targets).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149182 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 18:30:07 +00:00
James Molloy
2d8955a77c Ensure .AliasedSymbol() is called on all uses of getSymbol(). Affects ARM and MIPS ELF backends. 
Fixes PR11877



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149180 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 15:58:32 +00:00
Benjamin Kramer
518ff566f5 Silence GCC's -Wreturn-type warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149179 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 15:28:41 +00:00
Rafael Espindola
8b01c82f25 Small improvement to the recursion detection logic from the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149175 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 06:22:14 +00:00
Rafael Espindola
e71cc86ad1 Handle recursive variable definitions directly. This gives us better error 
messages and allows us to fix PR11865.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149174 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 05:57:00 +00:00
Kostya Serebryany
f1639abf1a [asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA Takumi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149172 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 04:27:16 +00:00
Bill Wendling
0ae06de094 Reapply r149159 with a fix to add to a PHI node with a non-null parent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149164 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 01:17:56 +00:00
Lang Hames
1c1c5bba57 Remove code that adds live ranges for dead defs. It seems to be breaking things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149163 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 01:17:01 +00:00
Bill Wendling
afcb5b5ee8 Revert r149159 until I can fix tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149162 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 01:10:01 +00:00
Bill Wendling
b0064c6d8b Don't always create a separate block for the call to _Unwind_Resume. 
Sometimes there is only one 'resume' instruction per function. In those
situations, we don't need a separate block for the call to _Unwind_Resume. In
fact, it adds a lot of overhead to code-gen if we do that -- especially at -O0.
If we have a single 'resume' instruction, just generate the call within that
block.
<rdar://problem/10694814>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149159 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 00:47:18 +00:00
David Greene
1d5013992f Fix Record Name Reference 
Get the record name though the init to avoid an assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149153 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 00:03:24 +00:00
Lang Hames
3f8d3c7d72 Silence warning about parens for && within || 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149152 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 23:52:25 +00:00
Rafael Espindola
04594aeffa Add r149110 back with a fix for when the vector and the int have the same 
width.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149151 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 23:33:07 +00:00
Rafael Espindola
41cedd740d Revert r149110 and add a testcase that was crashing since that revision. 
Unfortunately I also had to disable constant-pool-sharing.ll the code it tests has been
updated to use the IL logic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149148 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 22:42:48 +00:00
Lang Hames
907cc8f38d Add a "moveInstr" method to LiveIntervals. This can be used to move instructions 
around within a basic block while maintaining live-intervals.

Updated ScheduleTopDownLive in MachineScheduler.cpp to use the moveInstr API
when reordering MIs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149147 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 22:36:19 +00:00
Lang Hames
ff21bb53ae Backing out ill-considered 'refactor'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149146 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 21:43:32 +00:00
Lang Hames
c5c2fcd307 Move some duplicate loops in the coalescer into their own function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149144 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 19:58:14 +00:00
Devang Patel
a28101e61a Intel Syntax: Parse mem operand with seg reg. QWORD PTR FS:[320] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149142 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 19:48:28 +00:00
Craig Topper
3982b3cc7b Move some patterns back near their instructions and use AddedComplexity to fix priority. Merge some patterns into their instruction definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149122 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 07:09:40 +00:00
Lang Hames
b3396dc003 Physreg dead defs should be handled too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149118 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 03:20:42 +00:00
Chris Lattner
d629efa064 smallvectorize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149117 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 03:15:49 +00:00
Chris Lattner
a78fa8cc2d continue making the world safe for ConstantDataVector. At this point, 
we should (theoretically optimize and codegen ConstantDataVector as well
as ConstantVector.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149116 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 03:08:05 +00:00
Bill Wendling
4cc4666268 Place the GEP instructions nearer to the instructions which use them. 
GEP instructions are there for the compiler and shouldn't really output much
code (if any at all). When a GEP is stored in the entry block, Fast ISel (for
one) will not know that it could fold it into further uses. For instance, inside
of the EH handling code. This results in a lot of unnecessary spills and loads
which bloat code and slows down pretty much everything.
<rdar://problem/10694814>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149114 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 02:02:24 +00:00
Chris Lattner
6b2760759b make sure the file's matching header is #include'd first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149113 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 01:47:28 +00:00
Chris Lattner
73858d1689 Rewrite CanShareConstantPoolEntry to be implemented in terms of the 
mid-level constant folding APIs instead of doing its own analysis.
This makes it more general (e.g. can now share a <2 x i64> with a
<4 x i32>) and avoid duplicating a bunch of logic.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149111 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 01:46:00 +00:00
Chris Lattner
f983da030e enhance constant folding to be able to constant fold bitcast of 
ConstantVector's to integer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149110 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 01:44:03 +00:00
Jim Grosbach
cb5dca3815 Keep source location information for X86 MCFixup's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149106 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 00:51:27 +00:00
Jim Grosbach
f3c936769b Source information in 'expected relocatable expression' diagnostic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149105 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 00:51:23 +00:00
Jim Grosbach
6b4bcd69d0 Better user diagnostics for more ARM MachO relocation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149102 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 00:37:12 +00:00
Jim Grosbach
ebd4c05c3c Better diagnostic for malformed .org assembly directive. 
Provide source line number information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149101 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 00:37:08 +00:00
Lang Hames
3b0714d993 Rewrite instruction operands in AdjustCopiesBackFrom. Fixes PR11861. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149097 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 00:05:42 +00:00
Jim Grosbach
660a4d9e0a Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149096 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 23:47:45 +00:00
Jim Grosbach
42e6bd38e0 Keep source information, if available, around for ARM Fixups. 
Adjust an example MachObjectWriter diagnostic to use the information
to issue a better message.

Before:
LLVM ERROR: unknown ARM fixup kind!

After:
x.s:6:5: error: unsupported relocation on symbol
    beq bar
    ^

rdar://9800182

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149093 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 23:20:15 +00:00
Jim Grosbach
82f4ce5081 Add simple support for keeping MCFixup source information. 
Can be used to issue more user friendly diagnostics for faulty
relocation constructs and such.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149092 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 23:20:11 +00:00
Jim Grosbach
3662e5ce70 Add SourceMgr to MCContext for backend diagnostics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149090 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 23:20:05 +00:00
Jakob Stoklund Olesen
53fa56e8dc Handle call-clobbered ymm registers on Win64. 
The Win64 calling convention has xmm6-15 as callee-saved while still
clobbering all ymm registers.

Add a YMM_HI_6_15 pseudo-register that aliases the clobbered part of the
ymm registers, and mark that as call-clobbered.  This allows live xmm
registers across calls.

This hack wouldn't be necessary with RegisterMask operands representing
the call clobbers, but they are not quite operational yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149088 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 22:59:28 +00:00