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Author SHA1 Message Date
Dan Gohman
3b161cdce8 Support non-fallthrough unconditional branches in FastISel. 
llvm-svn: 55191
 2008-08-22 19:21:41 +00:00
Dan Gohman
897aa30d7c Anyext tweaks for x86. When extloading a value to i32 or i64, choose 
instructions that define the full 32 or 64-bit value. When anyexting
from i8 to i16 or i32, it's not necessary to zero out the high
portion of the register.

llvm-svn: 55190
 2008-08-22 19:19:31 +00:00
Owen Anderson
4ad6252b70 Fix typo. 
llvm-svn: 55189
 2008-08-22 18:26:07 +00:00
Dan Gohman
92921499ae Add FastISel support for PHINodes. Machine PHI nodes 
are not yet updated properly, but that's a separate
task.

llvm-svn: 55187
 2008-08-22 17:37:48 +00:00
Dale Johannesen
95a40e3045 Implement __sync_synchronize on ppc32. Patch by Gary Benson. 
llvm-svn: 55186
 2008-08-22 17:20:54 +00:00
Dan Gohman
abc71f026a Add an empty() member to FoldingSet. 
llvm-svn: 55182
 2008-08-22 16:14:23 +00:00
Dan Gohman
3b4af81381 Fix SmallVector's size calculation so that a size of 0 is 
handled correctly, and change a few SmallVector uses to use
size 0 to more clearly reflect their intent.

llvm-svn: 55181
 2008-08-22 16:07:55 +00:00
Chris Lattner
39ea1a575a improve support for systems that need unistd.h to get STDOUT_FILENO. 
Patch contributed by Bjorn Reese!

llvm-svn: 55179
 2008-08-22 15:45:00 +00:00
Nicolas Geoffray
00aced70f5 Also overload for char, since the "char" type depends on the host. 
llvm-svn: 55173
 2008-08-22 08:44:47 +00:00
Owen Anderson
e17306778c Overload for both signed and unsigned char. 
llvm-svn: 55171
 2008-08-22 07:42:25 +00:00
Chris Lattner
fd64cbf22d consolidate DenseMapInfo implementations, and add one for std::pair. 
Patch contributed by m-s.

llvm-svn: 55167
 2008-08-22 05:08:25 +00:00
Dale Johannesen
1ac64c3718 Rewrite ppc code generated for __sync_{bool|val}_compare_and_swap 
so that lwarx and stwcx are always executed the same number of times.
This is important for performance, I'm told.

llvm-svn: 55163
 2008-08-22 03:49:10 +00:00
Dan Gohman
46c93eebcd Add a few comments. 
llvm-svn: 55157
 2008-08-22 00:28:15 +00:00
Dan Gohman
a398d11527 Factor out the predicate check code from DAGISelEmitter.cpp 
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

llvm-svn: 55156
 2008-08-22 00:20:26 +00:00
Bill Wendling
c4c6053233 Remove tabs. 
llvm-svn: 55154
 2008-08-22 00:04:26 +00:00
Bill Wendling
8ff0d8f829 Testcase for PR2585. 
llvm-svn: 55151
 2008-08-21 23:04:49 +00:00
Bill Wendling
7840023704 Temporarily reverting r55137. This was causing the bootstrap to go into an 
infinite loop.

llvm-svn: 55149
 2008-08-21 22:40:10 +00:00
Owen Anderson
0b0215d531 Fix write() when the string being written is larger than the buffer. This broke various ObjC testcases 
with very long symbol names.

llvm-svn: 55148
 2008-08-21 22:39:33 +00:00
Bill Wendling
f105f92904 If part of the mask is "undef", then ignore it as we don't care what goes into it. 
llvm-svn: 55147
 2008-08-21 22:36:36 +00:00
Bill Wendling
170bd0a562 Fix whitespace. No functionality change. 
llvm-svn: 55146
 2008-08-21 22:35:37 +00:00
Dan Gohman
4562b2bcfe Add -mattr=sse2 so this test doesn't fail on non-x86 hosts. 
llvm-svn: 55145
 2008-08-21 22:34:25 +00:00
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