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7130 Commits

Author SHA1 Message Date
Dan Gohman
4b1b033f89 Initial checkin of the new "fast" instruction selection support. See 
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.

llvm-svn: 54751
 2008-08-13 20:19:35 +00:00
Dan Gohman
9e27bed4f0 Rename SelectionDAGISel's FastISel to Fast, to begin to make 
room for the new FastISel instruction selection code.

llvm-svn: 54749
 2008-08-13 19:47:40 +00:00
Duncan Sands
77e09ca5d0 Rename this, in case people think that NullFolder 
has something to do with folding null values.

llvm-svn: 54725
 2008-08-13 08:56:48 +00:00
Duncan Sands
0f1ba9dee5 Add a NullFolder class that doesn't fold constants. 
This may be used as the second IRBuilder template
parameter, the idea being that people learning LLVM
may find it helpful (several people asked on IRC
if it was possible to turn off constant folding
because it made it hard for them to see what was
going on).  Compiles, but otherwise completely
untested.

llvm-svn: 54698
 2008-08-12 20:39:27 +00:00
Devang Patel
d0aabe5ce6 Use SmallVector instead of std::vector 
llvm-svn: 54685
 2008-08-12 15:44:31 +00:00
Duncan Sands
ceacf7d17b Point people to ConstantExpr and ConstantFolding, 
in case they get the wrong idea.  Fit in 80 columns.

llvm-svn: 54676
 2008-08-12 09:43:15 +00:00
Devang Patel
670f3a9e03 Use DenseMap to keep track of last users. 
Use inversed map for faster queries.

llvm-svn: 54662
 2008-08-12 00:26:16 +00:00
Chris Lattner
0e03352a9f add a helper method to sys::Path for clang, patch by 
Kovarththanan Rajaratnam!

llvm-svn: 54655
 2008-08-11 23:39:47 +00:00
Devang Patel
404762f720 Keep track of analysis usage information for passes. Avoid invoking 
getAnalysisUsage() repeatedly.

llvm-svn: 54650
 2008-08-11 21:13:39 +00:00
Duncan Sands
cac74d2a10 Make it possible to use different constant 
folding policies with IRBuilder.  The default,
provided by ConstantFolder, is to do minimal
folding like now: what ConstantExpr provides.
An alternative is to use TargetFolder, which
uses target information to fold constants more.

llvm-svn: 54640
 2008-08-11 15:29:30 +00:00
Chris Lattner
89120a8e63 "This patch adds a virtual call to AbstractLatticeFunction to derive a 
type lattice value for an Argument*, giving clients the opportunity to
use something other than Top for it if they choose to."

Patch by John McCall!

llvm-svn: 54589
 2008-08-09 17:23:35 +00:00
Duncan Sands
310343bae7 Unbreak the llvm-gcc build: recent changes to 
IRBuilder are not expecting null names.

llvm-svn: 54581
 2008-08-09 15:14:59 +00:00
Chris Lattner
270ee0cb58 Make 'Insert' set the name for Loads, instead of passing the name into the 
LoadInst ctor, which causes std::string thrashing.

llvm-svn: 54577
 2008-08-09 06:26:23 +00:00
Chris Lattner
64e06e8dac comment update 
llvm-svn: 54576
 2008-08-09 06:25:46 +00:00
Gordon Henriksen
78a53c516d Delete a redundant binding, LLVMHasInitializer. 
Please use !LLVMIsDeclaration instead.

llvm-svn: 54572
 2008-08-09 02:13:58 +00:00
Gordon Henriksen
b0ee2172b0 Fix the LLVMCreateJITCompiler C binding. 
Evan broke it in r54523 by adding a parameter in the implementation without
updating the header correspondingly.

llvm-svn: 54555
 2008-08-08 20:49:28 +00:00
Eric Christopher
dcd4752642 Have IRBuilder take a template argument on whether or not to preserve 
names. This can save a lot of allocations if you aren't going to be
looking at the output.

llvm-svn: 54546
 2008-08-08 19:39:37 +00:00
Anton Korobeynikov
8d77445753 Handle visibility printing with all generality. Remove bunch of duplicate code. 
llvm-svn: 54540
 2008-08-08 18:25:07 +00:00
Evan Cheng
804e157031 Undo most of r54519. 
llvm-svn: 54534
 2008-08-08 17:56:50 +00:00
Chris Lattner
a4e876cf8a Don't call getAnalysisUsage unless -debug-pass is enabled. This speeds 
up the passmgr by avoiding useless work.

llvm-svn: 54528
 2008-08-08 15:14:09 +00:00
Evan Cheng
054bbb0dd8 Add new parameter Fast to createJIT to enable the fast codegen path. 
llvm-svn: 54523
 2008-08-08 08:11:34 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Chris Lattner
c1ca63307d Speed up the passmgr by avoiding heap thrashing on vectors. 
llvm-svn: 54515
 2008-08-08 05:33:04 +00:00
Bruno Cardoso Lopes
2284374fcc Add the remaining fp_round libcalls: 
FPROUND_F80_F32, FPROUND_PPCF128_F32, 
FPROUND_F80_F64, FPROUND_PPCF128_F64

Support for soften float fp_round operands is added, Mips 
needs this to round f64->f32.

Also added support to soften float FABS result, Mips doesn't 
support double fabs results while in 'single float only' mode.

llvm-svn: 54484
 2008-08-07 19:01:24 +00:00
Matthijs Kooijman
2ba1b80c7f Silence a warning. 
llvm-svn: 54462
 2008-08-07 13:36:30 +00:00
Anton Korobeynikov
d3009663dd Provide convenient helpers 
llvm-svn: 54451
 2008-08-07 09:51:54 +00:00
Anton Korobeynikov
ebd773939c Add hook for constant pool section selection for darwin. 
llvm-svn: 54449
 2008-08-07 09:51:02 +00:00
Anton Korobeynikov
d37daa2aeb Select section for constant pool entries 
llvm-svn: 54448
 2008-08-07 09:50:34 +00:00
Matthijs Kooijman
7f69239612 Remove trailing spaces. 
llvm-svn: 54447
 2008-08-07 09:00:46 +00:00
Evan Cheng
f8a801a9b8 Factor code that finalize PHI nodes, jump tables, etc. out of SelectBasicBlock. No functionality changes. 
llvm-svn: 54438
 2008-08-07 00:43:25 +00:00
Dan Gohman
680de089b7 Clarify "node" vs. "value" in some comments. 
llvm-svn: 54409
 2008-08-06 15:18:10 +00:00
Dan Gohman
7323b8d744 Correct an assertion string. 
llvm-svn: 54348
 2008-08-05 14:42:28 +00:00
Owen Anderson
32ae9380f1 This option doesn't need to be a target option. It can be in SDISel instead. 
llvm-svn: 54336
 2008-08-05 00:27:28 +00:00
Owen Anderson
84fbc312d4 - Fix SelectionDAG to generate correct CFGs. 
- Add a basic machine-level dead block eliminator.

These two have to go together, since many other parts of the code generator are unable to handle the unreachable blocks otherwise created.

llvm-svn: 54333
 2008-08-04 23:54:43 +00:00
Bill Wendling
5aaf075b29 Removed unused parameters. 
llvm-svn: 54262
 2008-08-01 05:50:13 +00:00
Dale Johannesen
f669e7c14f Add a flag to disable jump table generation (all 
switches use the binary search algorithm) for
environments that don't support it.  PPC64 JIT
is such an environment; turn the flag on for that.

llvm-svn: 54248
 2008-07-31 18:13:12 +00:00
Dan Gohman
926a91d664 Move SelectionDAG::viewGraph() out of line; as an inline function 
it isn't always visible to gdb.

llvm-svn: 54228
 2008-07-30 18:48:53 +00:00
Matthijs Kooijman
782943a0ec Document BasicBlock::Create. 
llvm-svn: 54210
 2008-07-30 12:53:14 +00:00
Mon P Wang
fb483982f5 Added support for overloading intrinsics (atomics) based on pointers 
to different address spaces.  This alters the naming scheme for those
intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32

llvm-svn: 54195
 2008-07-30 04:36:53 +00:00
Matthijs Kooijman
6ef5a25c7f Add a GetElementPtrInst::getIndexedType that accepts uint64_t's instead of just Value*'s. 
llvm-svn: 54157
 2008-07-29 08:46:11 +00:00
Dan Gohman
ebe629a4b2 Revert 54147. 
llvm-svn: 54148
 2008-07-29 01:02:18 +00:00
Dan Gohman
1816900fd1 Add x86 isel patterns to match what would be a ZERO_EXTEND_INREG operation, 
which is represented in codegen as an 'and' operation. This matches them
with movz instructions, instead of leaving them to be matched by and
instructions with an immediate field.

llvm-svn: 54147
 2008-07-28 22:18:25 +00:00
Dan Gohman
9653b21dc2 Fold the useful features of alist and alist_node into ilist, and 
a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.

Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.

Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.

llvm-svn: 54146
 2008-07-28 21:51:04 +00:00
Dan Gohman
f8f44b4837 Reword a comment to be less ambiguous. 
llvm-svn: 54135
 2008-07-28 18:42:57 +00:00
Dan Gohman
7ae5bf35a2 Don't use reinterpret_cast when it isn't needed. 
llvm-svn: 54130
 2008-07-27 23:12:19 +00:00
Dan Gohman
9742f7772d Rename SDOperand to SDValue. 
llvm-svn: 54128
 2008-07-27 21:46:04 +00:00
Dan Gohman
47c5cdbc34 Tidy SDNode::use_iterator, and complete the transition to have it 
parallel its analogue, Value::value_use_iterator. The operator* method
now returns the user, rather than the use.

llvm-svn: 54127
 2008-07-27 20:43:25 +00:00
Dan Gohman
2a0bc8f6e1 Rename isOnlyUseOf to isOnlyUserOf. 
llvm-svn: 54124
 2008-07-27 18:06:42 +00:00
Dan Gohman
bdbaf4d128 Improve comments for SDNode use-count methods. No functionality change. 
llvm-svn: 54123
 2008-07-27 17:44:52 +00:00
Dan Gohman
c28f2265a4 Rename the version of CreateRet that's a convenience method for creating 
multiple-valued return values, so that the name CreateRet is just for
creating plain ret statements.

llvm-svn: 54053
 2008-07-25 20:36:15 +00:00