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Author SHA1 Message Date
Dale Johannesen
6fe9da3acc Make x86 and sse2 explicit for non-x86 hosts. 
llvm-svn: 55141
 2008-08-21 21:26:06 +00:00
Dale Johannesen
aa332f4fca Accept NOT of a constant vector of int. 
llvm-svn: 55140
 2008-08-21 21:20:09 +00:00
Evan Cheng
ef2509b3ba Fix a number of byval / memcpy / memset related codegen issues. 
1. x86-64 byval alignment should be max of 8 and alignment of type. Previously the code was not doing what the commit message was saying.
2. Do not use byte repeat move and store operations. These are slow.

llvm-svn: 55139
 2008-08-21 21:00:15 +00:00
Owen Anderson
5a542e7eda Move non-trivial methods out of line to avoid code-size bloat. 
llvm-svn: 55138
 2008-08-21 20:58:52 +00:00
David Greene
e14ab14892 Fix ComputeMaskedBits to handle phis correctly. We need to take the 
minimum of the known zeros.

llvm-svn: 55137
 2008-08-21 20:45:12 +00:00
Mon P Wang
bf7b94fd29 Treat floating point ST1 the same as ST0 when lowering for a call result 
llvm-svn: 55135
 2008-08-21 19:54:16 +00:00
Owen Anderson
2e728c44d5 Remove unneeded #include. 
llvm-svn: 55134
 2008-08-21 19:51:25 +00:00
Dan Gohman
07ec8e6f4a Add libcalls for the new rounding opcodes. 
llvm-svn: 55133
 2008-08-21 18:38:14 +00:00
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