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319 Commits

Author SHA1 Message Date
Evan Cheng a57fabe815 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:02:37 +00:00
Chris Lattner 24ad3ed71f fix a latent bug my inline asm stuff exposed: 
MachineOperand::isIdenticalTo wasn't handling metadata operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:03:19 +00:00
Chris Lattner a4f2bb08de stop using DebugLoc::getUnknownLoc() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 20:17:23 +00:00
Chris Lattner de4845c163 Switch the code generator (except the JIT) onto the new DebugLoc 
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 19:42:39 +00:00
Chris Lattner 72aaa3c798 add support for MCSymbols as operands to MachineInstrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 08:14:18 +00:00
Devang Patel 3c91b05d2b Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating checks in Descriptor constructors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 20:52:55 +00:00
Devang Patel 0ef3fa6aab Revert r97947. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97963 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 19:20:38 +00:00
Devang Patel d8cc5d5256 Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 18:25:48 +00:00
Evan Cheng 67eaa08f2b Move MachineInstrExpressionTrait::getHashValue() out of line so it can skip over only virtual register defs. This matches what isEqual() is doing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 23:37:30 +00:00
Evan Cheng 34cdf6edf5 Fix funky indentation and add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97670 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 21:54:14 +00:00
Evan Cheng 506049f29f - Change MachineInstr::isIdenticalTo to take a new option that determines whether it should skip checking defs or at least virtual register defs. This subsumes part of the TargetInstrInfo::isIdentical functionality. 
- Eliminate TargetInstrInfo::isIdentical and replace it with produceSameValue. In the default case, produceSameValue just checks whether two machine instructions are identical (except for virtual register defs). But targets may override it to check for unusual cases (e.g. ARM pic loads from constant pools).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 01:44:33 +00:00
Evan Cheng ac1abde05b Swap parameters of isSafeToMove and isSafeToReMat for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 19:03:01 +00:00
David Greene ba2b297ca5 Add non-temporal flags to MachineMemOperand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 16:48:31 +00:00
Dan Gohman f451cb870e Fix "the the" and similar typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 16:03:48 +00:00
Dale Johannesen 9653f9ec97 Add isDebug argument to ChangeToRegister; this prevents 
the field from being used uninitialized later in some cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:41:49 +00:00
Chris Lattner 518bb53485 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 19:54:29 +00:00
Jakob Stoklund Olesen b1bb4afbc7 Identify predicate and optional-def operands when printing machine 
instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-19 22:08:34 +00:00
Devang Patel 6b61f5816e Replace DebugLocTuple with DILocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93630 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-16 06:09:35 +00:00
Dale Johannesen 5f72a5ebc8 Further progration of metadata operands. The 
dumper doesn't really do what I want yet, but
at least it doesn't crash now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-13 00:00:24 +00:00
Jakob Stoklund Olesen 8efadf94b5 Add <imp-def> and <imp-kill> operands when replacing virtual sub-register defs and kills. 
An instruction like this:

  %reg1097:1<def> = VMOVSR %R3<kill>, 14, %reg0

Must be replaced with this when substituting physical registers:

  %S0<def> = VMOVSR %R3<kill>, 14, %reg0, %D0<imp-def>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 00:29:28 +00:00
David Greene 3b32533410 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 23:48:20 +00:00
Chris Lattner 5e9cd43423 snip one more #include from Metadata.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 08:30:43 +00:00
Bill Wendling 164558e59c Remove dead store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-25 13:45:50 +00:00
Bill Wendling ad2cf9dd63 Remove dead store from copy-pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-25 13:44:36 +00:00
Jim Grosbach 06801722a4 Add @earlyclobber TableGen constraint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-16 19:43:02 +00:00