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01a070f9c7
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8946 Commits

Author SHA1 Message Date
Dan Gohman
01a070f9c7 Arrange for FastISel code to have access to the MachineModuleInfo 
object. This will be needed to support debug info.

llvm-svn: 56508
 2008-09-23 21:53:34 +00:00
Dan Gohman
a712c8d29e Fix these enums' starting values to reflect the way that 
instruction opcodes are now numbered. No functionality change.

llvm-svn: 56497
 2008-09-23 18:42:32 +00:00
Dan Gohman
e21054687a Delete an unused function. 
llvm-svn: 56495
 2008-09-23 18:26:47 +00:00
Dan Gohman
6bed18a334 Move the code for initializing the global base reg out of 
X86ISelDAGToDAG.cpp and into X86InstrInfo.cpp. This will allow
it to be reused by FastISel.

llvm-svn: 56494
 2008-09-23 18:22:58 +00:00
Matthijs Kooijman
5782b4b1b0 Fix indendation. 
llvm-svn: 56486
 2008-09-23 08:54:41 +00:00
Evan Cheng
5bf702d20a Support x86 specific inline asm modifier 'J'. 
llvm-svn: 56483
 2008-09-22 23:57:37 +00:00
Devang Patel
c7fc5ed65f Add hasNote() to check note associated with a function. 
llvm-svn: 56477
 2008-09-22 22:32:29 +00:00
Evan Cheng
1ded8b6ad6 Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators. 
llvm-svn: 56475
 2008-09-22 22:21:38 +00:00
Dale Johannesen
3722f4c14c Make log, log2, log10, exp, exp2 use Expand by 
default.

llvm-svn: 56471
 2008-09-22 21:57:32 +00:00
Evan Cheng
3bcf0cdd72 Mark several codegen passes as preserving all analysis. 
llvm-svn: 56469
 2008-09-22 20:58:04 +00:00
Oscar Fuentes
e51d9c0c3a CMake build system: support for parallel builds. 
llvm-svn: 56453
 2008-09-22 18:21:51 +00:00
Arnold Schwaighofer
49f49e2086 Change the calling convention used when tail call optimization is enabled from CC_X86_32_TailCall to CC_X86_32_FastCC. 
llvm-svn: 56436
 2008-09-22 14:50:07 +00:00
Oscar Fuentes
0f25988689 Initial support for the CMake build system. 
llvm-svn: 56419
 2008-09-22 01:08:49 +00:00
Chris Lattner
6e5b4c609c Fold immediates into X86 shifts with fast isel. This generates: 
sarl    $3, %ecx

instead of:

movl    $3, %ecx
sarl    %cl, %edx

This shrinks fast isel 176.gcc by about 2000 instructions (.3%)

llvm-svn: 56413
 2008-09-21 21:44:29 +00:00
Dan Gohman
c8477ceabe Instead of building a list and sorting it just to find a maximum element, 
compute the maximum element directly.

llvm-svn: 56411
 2008-09-21 21:01:49 +00:00
Chris Lattner
c018045520 add a note 
llvm-svn: 56391
 2008-09-20 19:17:53 +00:00
Evan Cheng
6a86ec1ef0 No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it. 
llvm-svn: 56378
 2008-09-20 00:13:45 +00:00
Evan Cheng
7bcd8409b7 80 column violation. 
llvm-svn: 56377
 2008-09-20 00:13:08 +00:00
Dan Gohman
af1eeb6421 Fix a FastISel GlobalVariable CSE bug. 
llvm-svn: 56376
 2008-09-19 23:42:04 +00:00
Dan Gohman
f66b3277d3 Refactor X86SelectConstAddr, folding it into X86SelectAddress. This 
results in better code for globals. Also, unbreak the local CSE for
GlobalValue stub loads.

llvm-svn: 56371
 2008-09-19 22:16:54 +00:00
Dan Gohman
71b1f15917 Address-mode folding for X86FastISel. It's pretty basic, but it 
catches a fair number of common cases. Note that this currently
causes Fast-ISel to leave behind lots of dead instructions.
Those will be dealt with in subsequent commits.

llvm-svn: 56320
 2008-09-18 23:23:44 +00:00
Dan Gohman
e1c4ad399a Simplify this code. The FastISel class has its own TD member. 
llvm-svn: 56311
 2008-09-18 18:26:43 +00:00
Evan Cheng
6acdef5d11 Duh. Default to ARMCC::AL (always). 
llvm-svn: 56301
 2008-09-18 07:28:19 +00:00
Evan Cheng
99a186e39f Clean up. 
llvm-svn: 56300
 2008-09-18 07:27:23 +00:00
Evan Cheng
b44e839f76 Cosmetic. 
llvm-svn: 56299
 2008-09-18 07:24:33 +00:00
Dan Gohman
5fbd0e95f3 FastISel: For calls, prefer using the callee's address as a constant 
over having it in a register. And wait until after checking type
legality before requesting that the callee address be placed in a
register. Also, fix support for calls with void return type.

This speeds up fast-isel isel time by about 15% and reduces
instruction counts by about 3% overall on certain testcases. It also
changes many indirect calls to direct calls.

llvm-svn: 56292
 2008-09-17 21:18:49 +00:00
Evan Cheng
f2c04a10e6 Fix addrmode1 instruction encodings; fix bx_ret encoding. 
llvm-svn: 56277
 2008-09-17 07:53:38 +00:00
Evan Cheng
d268288d39 Specify instruction encoding using range list to avoid endianess issues. 
llvm-svn: 56276
 2008-09-17 07:16:21 +00:00
Dan Gohman
9475c22537 Simplify and generalize X86DAGToDAGISel::CanBeFoldedBy, and draw 
up some new ascii art to illustrate what it does. This change
currently has no effect on generated code.

llvm-svn: 56270
 2008-09-17 01:39:10 +00:00
Bill Wendling
b2701e541c Add trampoline support to PPC. GCC simply calls the "__trampoline_setup" 
function with appropriate parameters. This allows us to support blocks on PPC.

llvm-svn: 56267
 2008-09-17 00:30:57 +00:00
Bill Wendling
932818c75a Reverting r56249. On further investigation, this functionality isn't needed. 
Apologies for the thrashing.

llvm-svn: 56251
 2008-09-16 21:48:12 +00:00
Bill Wendling
1a240c8033 - Change "ExternalSymbolSDNode" to "SymbolSDNode". 
- Add linkage to SymbolSDNode (default to external).
- Change ISD::ExternalSymbol to ISD::Symbol.
- Change ISD::TargetExternalSymbol to ISD::TargetSymbol

These changes pave the way to allowing SymbolSDNodes with non-external linkage.

llvm-svn: 56249
 2008-09-16 21:12:30 +00:00
Bruno Cardoso Lopes
f6ad396dfa Fixed Bug 2751 
http://llvm.org/bugs/show_bug.cgi?id=2751

Abicall was enabled even when static code model was provided 
in the command line.
The correct behavior is to disable abicall when static is
specified.

llvm-svn: 56228
 2008-09-15 21:06:55 +00:00
Dan Gohman
fa32c7c6d9 Remove isImm(), isReg(), and friends, in favor of 
isImmediate(), isRegister(), and friends, to avoid confusion
about having two different names with the same meaning. I'm
not attached to the longer names, and would be ok with
changing to the shorter names if others prefer it.

llvm-svn: 56189
 2008-09-13 17:58:21 +00:00
Evan Cheng
63b98ccd5e Fix random abort. 
llvm-svn: 56184
 2008-09-13 01:55:59 +00:00
Dan Gohman
3450a8252f Define CallSDNode, an SDNode subclass for use with ISD::CALL. 
Currently it just holds the calling convention and flags
for isVarArgs and isTailCall.

And it has several utility methods, which eliminate magic
5+2*i and similar index computations in several places.

CallSDNodes are not CSE'd. Teach UpdateNodeOperands to handle
nodes that are not CSE'd gracefully.

llvm-svn: 56183
 2008-09-13 01:54:27 +00:00
Evan Cheng
775a37e4b4 Typo. 
llvm-svn: 56182
 2008-09-13 01:44:01 +00:00
Evan Cheng
200cdea934 Rely on instruction format to determine so_reg operand for now. 
llvm-svn: 56181
 2008-09-13 01:38:29 +00:00
Evan Cheng
0a3a595612 Revert 56176. All those instruction formats are still needed. 
llvm-svn: 56180
 2008-09-13 01:35:33 +00:00
Evan Cheng
1ac0a5f278 Accidentially flipped the condition. 
llvm-svn: 56179
 2008-09-13 01:29:57 +00:00
Evan Cheng
d68f2947a9 Add debug dumps. 
llvm-svn: 56178
 2008-09-13 01:15:21 +00:00
Evan Cheng
18fd8337b3 Eliminate unnecessary instruction formats. 
llvm-svn: 56176
 2008-09-12 23:15:39 +00:00
Evan Cheng
66e7651a16 Addrmode 1 S bit can be dynamically set. Look for CPSR def. 
llvm-svn: 56172
 2008-09-12 22:45:55 +00:00
Evan Cheng
adf6720626 Rewrite address mode 1 code emission routines. 
llvm-svn: 56171
 2008-09-12 22:01:15 +00:00
Dan Gohman
89660301e3 Rename ConstantSDNode::getValue to getZExtValue, for consistency 
with ConstantInt. This led to fixing a bug in TargetLowering.cpp
using getValue instead of getAPIntValue.

llvm-svn: 56159
 2008-09-12 16:56:44 +00:00
Jim Grosbach
a25a322741 udpate header comment: s/VP/VFP/ 
llvm-svn: 56126
 2008-09-11 21:41:29 +00:00
Arnold Schwaighofer
adfb111f10 When tailcallopt is enabled all fastcc calls must have an aligned argument stack size. Add a test case. 
llvm-svn: 56119
 2008-09-11 20:28:43 +00:00
Owen Anderson
743d45821a Fix a bug in ANY_EXTEND handling that was breaking 403.gcc on X86-64 in fast isel. 
llvm-svn: 56117
 2008-09-11 19:44:55 +00:00
Dale Johannesen
10e1cf3df2 The version of AtomicSDNode::AtomicSDNode used (only) for 
cmp-and-swap reversed the Cmp and Swap arguments; comments
make it clear this is unintentional.  Unfortunately, the
x86 BE had a compensating reversal, which is removed here.
PPC is OK.

From inspection of the Alpha code I think it is OK, but
if somebody has that platform please check it out.  I
cannot test on that platform.

llvm-svn: 56091
 2008-09-11 03:12:59 +00:00
Owen Anderson
139baa5f74 If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving up. This fixes 445.gobmk on 
X86-64 in fast isel.

llvm-svn: 56088
 2008-09-11 02:41:37 +00:00