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33 Commits

Author SHA1 Message Date
Dan Gohman
c8097f8c8c Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminating 
the need for a flavor operand, and add a new SDNode subclass,
LabelSDNode, for use with them to eliminate the need for a label id
operand.

Change instruction selection to let these label nodes through
unmodified instead of creating copies of them. Teach the MachineInstr
emitter how to emit a MachineInstr directly from an ISD label node.

This avoids the need for allocating SDNodes for the label id and
flavor value, as well as SDNodes for each of the post-isel label,
label id, and label flavor.

llvm-svn: 52943
 2008-07-01 00:05:16 +00:00
Christopher Lamb
b4f4b41048 Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register. 
llvm-svn: 48412
 2008-03-16 03:12:01 +00:00
Evan Cheng
11d2c09adc Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF. 
llvm-svn: 48380
 2008-03-15 00:03:38 +00:00
Evan Cheng
c57ec111f2 SDIsel processes llvm.dbg.declare by recording the variable debug information descriptor and its corresponding stack frame index in MachineModuleInfo. This only works if the local variable is "homed" in the stack frame. It does not work for byval parameter, etc. 
Added ISD::DECLARE node type to represent llvm.dbg.declare intrinsic. Now the intrinsic calls are lowered into a SDNode and lives on through out the codegen passes.
For now, since all the debugging information recording is done at isel time, when a ISD::DECLARE node is selected, it has the side effect of also recording the variable. This is a short term solution that should be fixed in time.

llvm-svn: 46659
 2008-02-02 04:07:54 +00:00
Chris Lattner
c4006845a6 remove attributions from utils. 
llvm-svn: 45419
 2007-12-29 20:37:13 +00:00
Christopher Lamb
9a0d88efde Add target independent MachineInstr's to represent subreg insert/extract in MBB's. PR1350 
llvm-svn: 40518
 2007-07-26 07:48:21 +00:00
Jim Laskey
1bab68f592 Files missing from LABEL check in. 
llvm-svn: 33539
 2007-01-26 17:29:20 +00:00
Bill Wendling
f13d78d3b8 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Chris Lattner
4a2af4e374 Remove the isTwoAddress property from the CodeGenInstruction class. It should 
not be used for anything other than backwards compat constraint handling.

Add support for a new DisableEncoding property which contains a list of
registers that should not be encoded by the generated code emitter.  Convert
the codeemitter generator to use this, fixing some PPC JIT regressions.

llvm-svn: 31769
 2006-11-15 23:23:02 +00:00
Reid Spencer
da581ac715 Remove an unused variable. 
llvm-svn: 31403
 2006-11-03 01:48:30 +00:00
Chris Lattner
382ed3f1d9 Fix JIT encoding of two-addr instructions. 
llvm-svn: 30111
 2006-09-05 03:01:52 +00:00
Jim Laskey
a140e5e06c Clean up. 
llvm-svn: 29137
 2006-07-13 22:17:08 +00:00
Jim Laskey
a96045b549 1. Simplfy bit operations. 
2. Coalesce instruction cases.

llvm-svn: 29135
 2006-07-13 21:02:53 +00:00
Jim Laskey
e3cc434032 Move base value of instruction to lookup table to prepare for case reduction. 
llvm-svn: 29122
 2006-07-12 19:15:43 +00:00
Jim Laskey
9b46a1235a Reduce bloat in target libraries by removing per machine instruction assertion 
from code emitter generation.

llvm-svn: 29097
 2006-07-11 01:25:59 +00:00
Chris Lattner
d7cabc0f81 Fix miscodegen of V_SET0 in PPC. 
llvm-svn: 26836
 2006-03-18 00:40:36 +00:00
Chris Lattner
1ec0a10fed Don't emit JIT code for these instructions 
llvm-svn: 25669
 2006-01-27 01:39:38 +00:00
Chris Lattner
ffa72e8d79 Fix an incompatibility with GCC 4.1, thanks to Vladimir Merzliakov 
for pointing this out!

llvm-svn: 23963
 2005-10-24 15:04:15 +00:00
Chris Lattner
1685432a06 The code emitter generator only supports targets with 32-bit instruction 
words.  There is no way for one of these targets to have a > 32-bit immediate!

llvm-svn: 22897
 2005-08-19 01:04:33 +00:00
Misha Brukman
960a8d47d7 Remove trailing whitespace 
llvm-svn: 21428
 2005-04-22 00:00:37 +00:00
Misha Brukman
4e252ebfa0 * Factor out (into new fn) a loop emitting operand shifts into the instruction 
* Reverse instruction bit components for a LittleEndian-style encoding
* Fix some comments and spacing

llvm-svn: 16975
 2004-10-14 05:53:01 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Chris Lattner
89ebd84bc2 Do not #include files into the llvm namespace 
llvm-svn: 15849
 2004-08-17 03:08:28 +00:00
Misha Brukman
1087080432 Deleted commented-out code as we now get namespace directly, add comments 
llvm-svn: 15627
 2004-08-10 20:54:58 +00:00
Misha Brukman
1aa8b19a07 Use the target name instead of hard-coding SparcV9. 
llvm-svn: 15616
 2004-08-10 18:31:01 +00:00
Chris Lattner
660bc91ec4 This was a good idea, but until this does not break the build of 
lib/Target/Sparc, we should not use it.

llvm-svn: 15603
 2004-08-10 15:05:18 +00:00
Misha Brukman
7a352cede0 Use the current target name instead of a ClassPrefix. 
llvm-svn: 15585
 2004-08-09 19:10:43 +00:00
Misha Brukman
ad01c0dbae * Use Classname and ClassPrefix instead of hard-coded V9 values 
* Simplify code and shorten lines by not recomputing values

llvm-svn: 15582
 2004-08-09 17:47:45 +00:00
Misha Brukman
3a15182b6c * Added documentation in the file header 
* Shorten assert() text to make it fit within 80 cols

llvm-svn: 15508
 2004-08-04 22:07:54 +00:00
Chris Lattner
2e8beb316b Finegrainify namespacification 
llvm-svn: 15381
 2004-08-01 03:55:39 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
fc62e0f40d Added LLVM copyright header. 
llvm-svn: 9305
 2003-10-20 20:20:30 +00:00
Chris Lattner
1e1215d0d7 Move support/tools/* back into utils 
llvm-svn: 8875
 2003-10-05 19:27:59 +00:00