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9d709a8edb
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38965 Commits

Author SHA1 Message Date
Evan Cheng
9d709a8edb Enable machine cse of instructions which define physical registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105308 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 01:08:27 +00:00
Eli Friedman
a993f0a45f Don't try to custom-lower 64-bit add-with-overflow and friends on x86-32; the 
x86 backend currently doesn't know how to handle them.

This doesn't really fix anything because LegalizeTypes doesn't know how to
handle them either.  We do get a better error message, though.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 00:27:18 +00:00
Bob Wilson
b2c2a972b0 Fix an obvious mistake: don't change the operands until all of them have been 
checked and it is safe to proceed with the changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 00:16:08 +00:00
Eli Friedman
b242563741 Remove outdated README entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 00:10:36 +00:00
Jim Grosbach
533934e06e Update debug information when breaking anti-dependencies. rdar://7759363 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 23:48:44 +00:00
Jakob Stoklund Olesen
a5135f60dd Properly compose subregister indices when coalescing. 
The comment about ordering of subreg indices is no longer true.
This exposed a bug in the new substVirtReg method that is also fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 22:39:25 +00:00
Jim Grosbach
23d3d4595c Remove unused code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 21:56:30 +00:00
Devang Patel
f2e7767624 Ignore line number of debug value in undefined register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 21:43:09 +00:00
Jim Grosbach
69081e9291 fix think-o 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 21:35:50 +00:00
Dan Gohman
d8acddda58 Fix the allocation of shadow space for the Win64 calling convention 
in X86FastISel. Patch by Jan Sjodin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105290 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 21:09:47 +00:00
Jim Grosbach
aeafb374e2 Simplify things a bit more. Fix prototype to use SmallVectorImpl and 
change a few SmallVectors to vanilla C arrays.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 21:06:46 +00:00
Dan Gohman
10e7726e6c Fix the noalias checking so that it doesn't worry about 
an argument aliasing itself. Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105288 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 20:51:40 +00:00
Devang Patel
9126c0d42a Keep track of incoming debug value of unused argument. 
Radar 7927666.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 19:59:01 +00:00
Dan Gohman
956b349034 Fill in missing support for ISD::FEXP, ISD::FPOWI, and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105283 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 18:35:14 +00:00
Jim Grosbach
2f3257ef04 Add a FIXME 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105282 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 18:06:35 +00:00
Jim Grosbach
0fd8b6283f mirror of r105280 changes for LowerInvoke, which uses the same basic logic here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105281 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 18:04:56 +00:00
Jim Grosbach
dc58b25ebc When processing function arguments when splitting live ranges across invokes, 
handle structs passed by value via an extract/insert pair, as a bitcast
won't work on a struct. rdar://7742824

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 18:04:09 +00:00
Jim Grosbach
601f9d6c03 Use SmallVector instead of std::vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 17:56:41 +00:00
Bruno Cardoso Lopes
7f5b0d8099 Refactor some SSE 2 unpack instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 17:02:50 +00:00
Dan Gohman
4b1000d117 Don't call flush() at a library level which isn't checking for errors 
and doesn't know where the output is going.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105274 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 16:31:34 +00:00
Kalle Raiskila
11fe24624a Fix handling of 'load' nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-01 13:34:47 +00:00
Duncan Sands
2914ba6ec7 Fix PR7272: when inlining through a callsite with byval arguments, 
the newly created allocas may be used by inlined calls, so these
need to have their tail call flags cleared.  Fixes PR7272.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-31 21:00:26 +00:00
Chris Lattner
6c41ad8c9a fix PR6623: when optimizing for size, don't inline memcpy/memsets 
that are too large.  This causes the freebsd bootloader to be too
large apparently.

It's unclear if this should be an -Os or -Oz thing.  Thoughts welcome.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-31 17:30:14 +00:00
Chris Lattner
6b37861827 the 'limit' argument to FindOptimalMemOpLowering is unsigned, not uint64_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-31 17:12:23 +00:00
Benjamin Kramer
c29df3cac7 Avoid swap when a copy suffices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105220 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-31 12:50:41 +00:00
Nick Lewycky
a9d6680cb1 The memcpy intrinsic only takes i8* for %src and %dst, so cast them to that 
first. Fixes PR7265.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-31 06:16:35 +00:00
Oscar Fuentes
10e02a017a Use llvm::next' instead of next' to make VC++ 2010 happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-30 13:14:21 +00:00
Anton Korobeynikov
4ed81ecbcd Some A9 load/store cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 19:25:39 +00:00
Anton Korobeynikov
8207fce96f Some rough approximations for load/stores on A9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 19:25:34 +00:00
Anton Korobeynikov
1098ef5fa4 NEON/VFP stuff can be issued only via Pipe1 on A9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 19:25:29 +00:00
Anton Korobeynikov
1845a387e1 Add some integer instruction itineraries for A9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 19:25:17 +00:00
Dan Gohman
462f6b57b6 Reorder some code in SelectionDAGBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 17:53:24 +00:00
Dan Gohman
7451d3e09d SelectionDAG shouldn't have a FunctionLoweringInfo member. RegsForValue 
shouldn't have a TargetLoweringInfo member. And FunctionLoweringInfo::set
doesn't needs its EnableFastISel argument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 17:03:36 +00:00
Benjamin Kramer
0f9c658558 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 14:03:51 +00:00
Evan Cheng
701d4d309f Remove schedule-livein-copies. It's not being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 02:23:39 +00:00
Evan Cheng
9c044674e6 Fix PR7193: if sibling call address can take a register, make sure there are enough registers available by counting inreg arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 01:35:22 +00:00
Jakob Stoklund Olesen
5a0d4fcb8d Handle composed subreg indices when processing REQ_SEQUENCE instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 00:14:14 +00:00
Evan Cheng
82e0a1a1a8 Doh. Machine LICM is re-initializing the CSE map over and over. Patch by Anna Zaks. rdar://8037934. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105065 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-29 00:06:36 +00:00
Jakob Stoklund Olesen
05ce489871 Merge the SystemZ subreg_even32 SubRegIndex into subreg_32bit. The SubRegIndices 
were overspecified when inheriting sub-subregisters, for instance:

R0Q:subreg_even32 = R0Q:subreg_32bit = R0Q:subreg_even:subreg_32bit.

This meant that composeSubRegIndices(subreg_even, subreg_32bit) was ambiguous.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105063 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 23:48:29 +00:00
Evan Cheng
046fa3f90a Fix some latency computation bugs: if the use is not a machine opcode do not just return zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 23:26:21 +00:00
Evan Cheng
c10f5434b4 Schedule high latency instructions for latency reduction even if they are not vfp / NEON instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 23:25:23 +00:00
Dale Johannesen
2f05cc06a2 Fix comment typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 23:24:28 +00:00
Bruno Cardoso Lopes
f39e0ce4ec More SSE 1 & 2 merge, this time with logical instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105014 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 22:47:03 +00:00
Dan Gohman
dd05466ef4 Fix AliasDebugger to be aware of operand values too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 22:31:51 +00:00
Dan Gohman
aec2a0dbce Add lint checks for function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 21:43:57 +00:00
Dan Gohman
2c048ea538 Split the logic behind CastInst::isNoopCast into a separate static function, 
as is done with most other cast opcode predicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 21:41:37 +00:00
Kevin Enderby
31cc9655b6 MC/X86: Add alias for movzx. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105005 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 21:20:21 +00:00
Kevin Enderby
5e394429ab MC/X86: Add alias for fwait. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 20:59:10 +00:00
Kevin Enderby
31b6c5b2f3 Fix the use of x86 control and debug registers so that the assertion failure in 
getX86RegNum() does not happen.  Patch by Shantonu Sen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 19:01:27 +00:00
Jakob Stoklund Olesen
2da5337024 Add a TargetRegisterInfo::composeSubRegIndices hook with a default 
implementation that is correct for most targets. Tablegen will override where
needed.

Add MachineOperand::subst{Virt,Phys}Reg methods that correctly handle existing
subreg indices when sustituting registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104985 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 18:18:53 +00:00