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Author SHA1 Message Date
Dan Gohman
3ccc1c2aaf Fix a typo that Dale noticed. 
llvm-svn: 55132
 2008-08-21 18:13:12 +00:00
Dan Gohman
b5635a2c51 Add libm-oriented ISD opcodes for rounding operations. 
llvm-svn: 55130
 2008-08-21 17:55:02 +00:00
Dan Gohman
7c434de476 Have FastISel skip the multiply by 1 for getelementptr on i8*. 
llvm-svn: 55129
 2008-08-21 17:37:05 +00:00
Anton Korobeynikov
5bbfc7e05f Allow inline asm nodes with empty bodies inside JIT. 
This unbreaks explicit reg vars inside JIT, which are
implemented in such hacky way :)

llvm-svn: 55128
 2008-08-21 17:33:01 +00:00
Chris Lattner
ae658fe7e1 Switch from an O(n) method to an O(1) method for changing non-constant 
operands.

llvm-svn: 55127
 2008-08-21 17:31:45 +00:00
Dan Gohman
42fa2945d3 getelementptr doesn't work on x86-64 yet, because it 
has MOV64ri32 and no plain MOV64ri.

llvm-svn: 55126
 2008-08-21 17:28:42 +00:00
Dan Gohman
f4269f7bea MVT::getMVT uses iPTR for pointer types, while we need the actual 
intptr_t type in this case. FastISel can now select simple
getelementptr instructions.

llvm-svn: 55125
 2008-08-21 17:25:26 +00:00
Dan Gohman
4b801d38a1 Simplify SelectRoot's interface, and factor out some common code 
from all targets.

llvm-svn: 55124
 2008-08-21 16:36:34 +00:00
Dan Gohman
512af985d7 Elements in DeadNodeSet are checked for use_empty() before they 
are actually deleted, so it's not necessary to remove re-used
nodes from the set.

llvm-svn: 55123
 2008-08-21 16:24:54 +00:00
Dan Gohman
e8fc6c5a30 SelectionDAGISel::SelectRootInit does not need to be virtual. 
llvm-svn: 55122
 2008-08-21 16:06:51 +00:00
Dan Gohman
5af74620dc Make HandleSDNode::getValue return an SDValue instead of 
the full SDUse, which isn't needed.

llvm-svn: 55121
 2008-08-21 16:02:46 +00:00
Dan Gohman
e5a492f261 Don't silently ignore errors when opening output streams. 
llvm-svn: 55120
 2008-08-21 15:33:45 +00:00
Bill Wendling
2ba1a2b516 Clean up whitespace. 
llvm-svn: 55117
 2008-08-21 08:38:54 +00:00
Chris Lattner
bb8a53802b remove redundant include 
llvm-svn: 55116
 2008-08-21 06:41:07 +00:00
Chris Lattner
16121a7f73 Fix the build with gcc 4.3 as the host, patch by Zhongxing Xu! 
llvm-svn: 55115
 2008-08-21 06:25:28 +00:00
Owen Anderson
902453c302 Implement operator<< in terms of basic types rather than [u]int*_t, which is better for portability. There might be some way to factor this all with metaprogramming magic, but I'm not sure how offhand. 
llvm-svn: 55114
 2008-08-21 06:20:47 +00:00
Nick Lewycky
7b87c4d8a4 Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20% 
slowdown in bzip2.

llvm-svn: 55113
 2008-08-21 05:56:10 +00:00
Chris Lattner
a87eb40ef4 unbreak the CBE on treeadd an many others. 
llvm-svn: 55112
 2008-08-21 05:51:43 +00:00
Nick Lewycky
d9012655db Fix build on GCC 4.3. 
llvm-svn: 55110
 2008-08-21 05:36:03 +00:00
Eli Friedman
fdab2ca258 Remove size_t operator; this unbreaks the build on Linux. Committing on 
the suggestion of resistor.

If this breaks some other platform, please go ahead and back this out.

llvm-svn: 55106
 2008-08-21 04:28:31 +00:00
Chris Lattner
4c3c0bfddf recommit bcreader, handling packed structs correctly. Apparently 
people want fast *and* correct.  Sheesh.

llvm-svn: 55102
 2008-08-21 02:34:16 +00:00
Daniel Dunbar
812da224c0 Revert 55090, regressions in: 
- Postgres
 - llvm-test/SingleSource/UnitTests/{2006-01-23-InitializedBitField,
   2004-11-28-GlobalBoolLayout, 2003-05-02-DependentPHI}

llvm-svn: 55100
 2008-08-21 01:54:58 +00:00
Dan Gohman
a6e647dd7c Basic fast-isel support for instructions with constant int operands. 
llvm-svn: 55099
 2008-08-21 01:41:07 +00:00
Evan Cheng
45c46520da Type of first GEP operand is always the same as the target pointer type. 
llvm-svn: 55097
 2008-08-21 01:19:11 +00:00
Dan Gohman
e628777073 Remove the code that limited FastISel to certain fixed signatures. 
llvm-svn: 55096
 2008-08-21 00:35:26 +00:00
Dan Gohman
1af9c028bc Improve the doxygen comment for SelectInstructions::SelectInstructions. 
llvm-svn: 55094
 2008-08-21 00:19:43 +00:00
Dan Gohman
4ab3376173 Begin making more use of the FastISelEmitter class. 
llvm-svn: 55093
 2008-08-21 00:19:05 +00:00
Owen Anderson
2c1d54952b Use raw_ostream throughout the AsmPrinter. 
llvm-svn: 55092
 2008-08-21 00:14:44 +00:00
Chris Lattner
f1d087c627 Fix an N^2 issue handling constant resolution due to RAUW in large arrays 
this speeds up the bcreader from 6.67s to 0.12s on a testcase Daniel 
provided.  rdar://6158117

llvm-svn: 55090
 2008-08-21 00:11:50 +00:00
Dan Gohman
71aa272ac4 Fix unused variable warnings. 
llvm-svn: 55089
 2008-08-20 23:53:10 +00:00
Evan Cheng
0a35c35153 Silence a compiler warning. 
llvm-svn: 55087
 2008-08-20 23:36:48 +00:00
Evan Cheng
c55f07023a First cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst. 
llvm-svn: 55085
 2008-08-20 22:45:34 +00:00
Chris Lattner
7a310366a6 Add a new ConstantExpr::getWithOperands that takes any array of operands 
instead of requiring an std::vector.

llvm-svn: 55084
 2008-08-20 22:27:40 +00:00
Dan Gohman
d79f723519 Remove an obsolete todo comment. 
llvm-svn: 55080
 2008-08-20 21:47:28 +00:00
Dan Gohman
74bfad70e1 Factor the code for determining the target-specific instruction 
namespace out of the isel emitters and into common code.

llvm-svn: 55079
 2008-08-20 21:45:57 +00:00
Dan Gohman
411cc551cb Move the handling of ANY_EXTEND, SIGN_EXTEND_INREG, and TRUNCATE 
out of X86ISelDAGToDAG.cpp C++ code and into tablegen code.
Among other things, using tablegen for these things makes them
friendlier to FastISel.

Tablegen can handle the case of i8 subregs on x86-32, but currently
the C++ code for that case uses MVT::Flag in a tricky way, and it
happens to schedule better in some cases. So for now, leave the
C++ code in place to handle the i8 case on x86-32.

llvm-svn: 55078
 2008-08-20 21:27:32 +00:00
Dan Gohman
50af19179b Simplify the BuildMI calls even more. 
llvm-svn: 55077
 2008-08-20 21:10:53 +00:00
Dan Gohman
ddebe95287 Simplify FastISel's constructor argument list, make the FastISel 
class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.

llvm-svn: 55076
 2008-08-20 21:05:57 +00:00
Dan Gohman
d8324c4066 Dump the instruction that foiled ISel even when -debug is not used. 
llvm-svn: 55075
 2008-08-20 20:47:32 +00:00
Bill Wendling
42a2073ed4 Don't hoist instructions that define a physical register. 
llvm-svn: 55074
 2008-08-20 20:32:05 +00:00
Dan Gohman
96efa9606f Make more use of the BuildMI API. 
llvm-svn: 55072
 2008-08-20 18:16:32 +00:00
Dan Gohman
3606d17592 Minor code reorganization. 
llvm-svn: 55071
 2008-08-20 18:10:48 +00:00
Dan Gohman
44da988220 Minor whitespace cleanup. 
llvm-svn: 55070
 2008-08-20 18:09:38 +00:00
Dan Gohman
9e5e42e0d5 Fix 80 column violation. 
llvm-svn: 55069
 2008-08-20 18:09:02 +00:00
Evan Cheng
5ff34fa3b4 Kill off SimpleBBISel, it's replaced by FastISel. 
llvm-svn: 55067
 2008-08-20 17:50:32 +00:00
Chris Lattner
c9fdd97035 Move the fast-path (<=i64) cases of various APInt methods inline 
and the slow-path cases out of line.  This speeds up instcombine
a bit in real world cases.  Patch contributed by m-s.

llvm-svn: 55063
 2008-08-20 17:02:31 +00:00
Dan Gohman
00ddda96c9 Disable DAGCombine's alignment inference in "fast" codegen mode. 
llvm-svn: 55059
 2008-08-20 16:30:28 +00:00
Dan Gohman
e1a5bc775e Change the FoldingSetNodeID usage for objects which carry 
alignment and volatility information, such as loads and
stores, to reduce the number of integer values added to
the FoldingSetNodeID.

llvm-svn: 55058
 2008-08-20 15:58:01 +00:00
Dan Gohman
2b904916b2 Clean up a dead return missed in r55055. 
llvm-svn: 55057
 2008-08-20 15:54:46 +00:00
Dan Gohman
ebba07cccf Tablegen generated code already tests the opcode value, so it's not 
necessary to use dyn_cast in these predicates.

llvm-svn: 55055
 2008-08-20 15:24:22 +00:00