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1604 Commits

Author SHA1 Message Date
Evan Cheng
1640ae5a84 Reverse the FlaggedNodes after scanning up for flagged preds or else the order would be reversed. 
llvm-svn: 29545
 2006-08-07 22:12:12 +00:00
Chris Lattner
8927c875bb Make SelectionDAG::RemoveDeadNodes iterative instead of recursive, which 
also make it simpler.

llvm-svn: 29524
 2006-08-04 17:45:20 +00:00
Jim Laskey
a5b707e3ad Copy the liveins for the first block. PR859 
llvm-svn: 29511
 2006-08-03 20:51:06 +00:00
Chris Lattner
524c1a21f2 Work around a GCC 3.3.5 bug noticed by a user. 
llvm-svn: 29490
 2006-08-03 00:18:59 +00:00
Evan Cheng
bba1ebda32 - Change AssignTopologicalOrder to return vector of SDNode* by reference. 
- Tweak implementation to avoid using std::map.

llvm-svn: 29479
 2006-08-02 22:00:34 +00:00
Jim Laskey
29e635d3c9 Final polish on machine pass registries. 
llvm-svn: 29471
 2006-08-02 12:30:23 +00:00
Jim Laskey
17c67efe8a Now that the ISel is available, it's possible to create a default instruction 
scheduler creator.

llvm-svn: 29452
 2006-08-01 19:14:14 +00:00
Jim Laskey
03593f72db 1. Change use of "Cache" to "Default". 
2. Added argument to instruction scheduler creators so the creators can do
special things.
3. Repaired target hazard code.
4. Misc.

More to follow.

llvm-svn: 29450
 2006-08-01 18:29:48 +00:00
Jim Laskey
95eda5b1f3 Introducing plugable register allocators and instruction schedulers. 
llvm-svn: 29434
 2006-08-01 14:21:23 +00:00
Evan Cheng
9631a60020 Added AssignTopologicalOrder() to assign each node an unique id based on their topological order. 
llvm-svn: 29431
 2006-08-01 08:20:41 +00:00
Evan Cheng
6ae6ac1216 PIC jump table entries are always 32-bit even in 64-bit mode. 
llvm-svn: 29422
 2006-08-01 01:03:13 +00:00
Evan Cheng
b572401bea Remove InFlightSet hack. No longer needed. 
llvm-svn: 29373
 2006-07-28 00:47:19 +00:00
Nate Begeman
efc312a5c7 Code cleanups, per review 
llvm-svn: 29347
 2006-07-27 16:46:58 +00:00
Evan Cheng
acb606ff33 AssignNodeIds should return unsigned. 
llvm-svn: 29343
 2006-07-27 07:36:47 +00:00
Evan Cheng
29eefc164c AssignNodeIds assign each node in the DAG an unique id. 
llvm-svn: 29337
 2006-07-27 06:39:06 +00:00
Chris Lattner
85ea83e821 Add some advice 
llvm-svn: 29324
 2006-07-27 04:24:14 +00:00
Nate Begeman
787565024a Support jump tables when in PIC relocation model 
llvm-svn: 29318
 2006-07-27 01:13:04 +00:00
Chris Lattner
4488f0c303 Fix a case where LegalizeAllNodesNotLeadingTo could take exponential time. 
This manifested itself as really long time to compile
Regression/CodeGen/Generic/2003-05-28-ManyArgs.ll on ppc.
This is PR847.

llvm-svn: 29313
 2006-07-26 23:55:56 +00:00
Reid Spencer
421475cd3b For PR780: 
1. Move IncludeFile.h to System library
2. Move IncludeFile.cpp to System library
3. #1 and #2 required to prevent cyclic library dependencies for libSystem
4. Convert all existing uses of Support/IncludeFile.h to System/IncludeFile.h
5. Add IncludeFile support to various lib/System classes.
6. Add new lib/System classes to LinkAllVMCore.h
All this in an attempt to pull in lib/System to what's required for VMCore

llvm-svn: 29287
 2006-07-26 16:18:00 +00:00
Reid Spencer
658b9476f0 Initialize some variables the compiler warns about. 
llvm-svn: 29277
 2006-07-25 20:44:41 +00:00
Jim Laskey
4e153f1b91 Use an enumeration to eliminate data relocations. 
llvm-svn: 29249
 2006-07-21 20:57:35 +00:00
Evan Cheng
7c970b98d0 If a shuffle is a splat, check if the argument is a build_vector with all elements being the same. If so, return the argument. 
llvm-svn: 29242
 2006-07-21 08:25:53 +00:00
Chris Lattner
55782c6c41 Build more debugger/selectiondag libraries as archives instead of .o files. 
This works around bugs in some versions of the cygwin linker.

Patch contributed by Anton Korobeynikov.

llvm-svn: 29239
 2006-07-21 00:10:47 +00:00
Evan Cheng
8472e0c4af If a shuffle is unary, i.e. one of the vector argument is not needed, turn the 
operand into a undef and adjust mask accordingly.

llvm-svn: 29232
 2006-07-20 22:44:41 +00:00
Chris Lattner
b030532910 Mems can be in the output list also. This is the second half of a fix for 
PR833

llvm-svn: 29224
 2006-07-20 19:02:21 +00:00
Andrew Lenharth
ec104a2b41 80 cols 
llvm-svn: 29221
 2006-07-20 17:43:27 +00:00
Andrew Lenharth
c496b418b5 Reduce number of exported symbols 
llvm-svn: 29220
 2006-07-20 17:28:38 +00:00
Chris Lattner
c0973edc69 Add an out-of-line virtual method for the sdnode class to give it a home. 
llvm-svn: 29192
 2006-07-19 00:00:37 +00:00
Jim Laskey
f7300b2706 It was pointed out that DEBUG() is only available with -debug. 
llvm-svn: 29106
 2006-07-11 18:25:13 +00:00
Jim Laskey
c3d341ea98 Ensure that dump calls that are associated with asserts are removed from 
non-debug build.

llvm-svn: 29105
 2006-07-11 17:58:07 +00:00
Chris Lattner
1b8ea1f5ba Fix CodeGen/Alpha/2006-07-03-ASMFormalLowering.ll and PR818. 
llvm-svn: 29099
 2006-07-11 01:40:09 +00:00
Evan Cheng
d19938834b Ugly hack! Add helper functions InsertInFlightSetEntry and 
RemoveInFlightSetEntry. They are used in place of direct set operators to
reduce instruction selection function stack size.

llvm-svn: 28987
 2006-06-29 23:57:05 +00:00
Chris Lattner
996795b0dd Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975
 2006-06-28 23:17:24 +00:00
Chris Lattner
e097e6f7c7 Shave another 27K off libllvmgcc.dylib with visibility hidden 
llvm-svn: 28973
 2006-06-28 22:17:39 +00:00
Chris Lattner
54a34cd20b Mark these two classes as hidden, shrinking libllbmgcc.dylib by 25K 
llvm-svn: 28970
 2006-06-28 21:58:30 +00:00
Chris Lattner
710b3d5ea1 Fix CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll 
llvm-svn: 28965
 2006-06-28 18:29:47 +00:00
Reid Spencer
ee7eaa25cf For PR801: 
Refactor the Graph writing code to use a common implementation which is
now in lib/Support/GraphWriter.cpp. This completes the PR.

Patch by Anton Korobeynikov. Thanks, Anton!

llvm-svn: 28925
 2006-06-27 16:49:46 +00:00
Evan Cheng
ef9e07d3f0 Consistency. EXTRACT_ELEMENT index operand should have ptr type. 
llvm-svn: 28795
 2006-06-15 08:11:54 +00:00
Evan Cheng
55772ccfd6 Instructions with variable operands (variable_ops) can have a number required 
operands. e.g.
def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
                "call {*}$dst", [(X86call GR32:$dst)]>;
TableGen should emit operand informations for the "required" operands.

Added a target instruction info flag M_VARIABLE_OPS to indicate the target
instruction may have more operands in addition to the minimum required
operands.

llvm-svn: 28791
 2006-06-15 07:22:16 +00:00
Chris Lattner
32d92e004d Make sure to update the CFG correctly if a switch only has a default dest. 
This fixes CodeGen/Generic/2006-06-12-LowerSwitchCrash.ll

llvm-svn: 28755
 2006-06-12 18:25:29 +00:00
Andrew Lenharth
0e57b2cb92 Start on my todo list 
llvm-svn: 28752
 2006-06-12 16:07:18 +00:00
Chris Lattner
c03a9259c0 Fix X86/inline-asm.ll:test2, a case where an input value was implicitly 
truncated.

llvm-svn: 28733
 2006-06-08 18:27:11 +00:00
Chris Lattner
705948d742 Fix Regression/CodeGen/X86/inline-asm.ll, a case where inline asm causes 
implement extension of a register.

llvm-svn: 28731
 2006-06-08 18:22:48 +00:00
Reid Spencer
614cb2ff82 For PR798: 
Provide GraphViz support for MingW32. Patch provided by Anton Korobeynikov

llvm-svn: 28688
 2006-06-05 16:26:06 +00:00
Reid Spencer
a647c7ff42 Use archive libraries instead of object files for VMCore, BCReader, 
BCWriter, and bzip2 libraries. Adjust the various makefiles to accommodate
these changes. This was done to speed up link times.

llvm-svn: 28610
 2006-06-01 01:30:27 +00:00
Evan Cheng
0c0996a97b commuteInstruction() does not always create a new MI! 
llvm-svn: 28592
 2006-05-31 18:03:39 +00:00
Evan Cheng
9d91caa053 Eliminate a memory leak. 
llvm-svn: 28585
 2006-05-31 07:13:03 +00:00
Evan Cheng
64d2846017 visitVBinOp: Can't fold divide by zero! 
llvm-svn: 28584
 2006-05-31 06:08:35 +00:00
Evan Cheng
d12c97d23a Make sure the register pressure reduction schedulers work for non-uniform 
latency targets, e.g. PPC32.

llvm-svn: 28561
 2006-05-30 18:05:39 +00:00
Evan Cheng
61e9f0d680 When a priority_queue is empty, the behavior of top() operator is 
non-deterministic. Returns NULL when it's empty!

llvm-svn: 28560
 2006-05-30 18:04:34 +00:00