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Author SHA1 Message Date
Chris Lattner
d3ff015877 Add an assertion, avoid some unneeded work for each call. No functionality 
change.

llvm-svn: 28347
 2006-05-17 17:55:45 +00:00
Chris Lattner
03c70b7f27 Switch PPC over to a call-selection model where the lowering code creates 
the copyto/fromregs instead of making the PPCISD::CALL selection code create
them.  This vastly simplifies the selection code, and moves the ABI handling
parts into one place.

llvm-svn: 28346
 2006-05-17 06:01:33 +00:00
Chris Lattner
7c87670503 add an external symbol testcase 
llvm-svn: 28345
 2006-05-17 04:20:13 +00:00
Chris Lattner
1a730975a1 new test for various forms of calls 
llvm-svn: 28344
 2006-05-17 03:57:31 +00:00
Chris Lattner
26e1420ae9 test for support to pass/return vectors to calls. 
llvm-svn: 28343
 2006-05-17 00:18:23 +00:00
Chris Lattner
348883611c 3 changes, 2 of which are cleanup one of which changes codegen: 
1. Rearrange code a bit so that the special case doesn't require indenting lots
   of code.
2. Add comments describing PPC calling convention.
3. Only round up to 56-bytes of stack space for an outgoing call if the callee
   is varargs.  This saves a bit of stack space.

llvm-svn: 28342
 2006-05-17 00:15:40 +00:00
Chris Lattner
a36579803f implement passing/returning vector regs to calls, at least non-varargs calls. 
llvm-svn: 28341
 2006-05-16 23:54:25 +00:00
Chris Lattner
30f61c8bb1 Add support for calls that pass and return legal vectors. 
llvm-svn: 28340
 2006-05-16 23:39:44 +00:00
Chris Lattner
b5271a0f4c Instead of implementing LowerCallTo directly, let the default impl produce an 
ISD::CALL node, then custom lower that.  This means that we only have to handle
LEGAL call operands/results, not every possible type.  This allows us to
simplify the call code, shrinking it by about 1/3.

llvm-svn: 28339
 2006-05-16 22:56:08 +00:00
Chris Lattner
01f4f28837 Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo 
produce it.

llvm-svn: 28338
 2006-05-16 22:53:20 +00:00
Chris Lattner
5d949a2ad2 Add a new CALL node. 
llvm-svn: 28337
 2006-05-16 22:52:27 +00:00
Chris Lattner
3e13a7d49e There is now a default impl of this method 
llvm-svn: 28336
 2006-05-16 22:52:11 +00:00
Chris Lattner
40d1eaad0a Simplify the argument counting logic by only incrementing the index. 
llvm-svn: 28335
 2006-05-16 18:58:15 +00:00
Chris Lattner
0ae068ed8f Simplify the dead argument handling code. 
llvm-svn: 28334
 2006-05-16 18:54:32 +00:00
Chris Lattner
fbbe542235 Vector args passed in registers don't reserve stack space. 
llvm-svn: 28333
 2006-05-16 18:51:52 +00:00
Chris Lattner
4f7dfb31f3 Another testcase that shouldn't need vrsave twiddling 
llvm-svn: 28332
 2006-05-16 18:23:55 +00:00
Chris Lattner
0a12e343e2 Switch the PPC backend over to using FORMAL_ARGUMENTS for formal argument 
handling.  This makes the lower argument code significantly simpler (we
only need to handle legal argument types).

Incidentally, this also implements support for vector argument registers,
so long as they are not on the stack.

llvm-svn: 28331
 2006-05-16 18:18:50 +00:00
Andrew Lenharth
bfb68e47ca this should be 128 I think 
llvm-svn: 28330
 2006-05-16 17:45:23 +00:00
Andrew Lenharth
14504c85ed Move this code to a common place 
llvm-svn: 28329
 2006-05-16 17:42:15 +00:00
Chris Lattner
8de83accfe Remove this xfail-d test, which doesn't make any sense 
llvm-svn: 28328
 2006-05-16 17:22:42 +00:00
Chris Lattner
c04371da56 Implement the custom lowering hook right, returning values for all of the 
arguments at once.

llvm-svn: 28327
 2006-05-16 17:14:26 +00:00
Chris Lattner
f501a979ec Fix a bug I introduced yesterday, which broke functions with *no* arguments. 
llvm-svn: 28326
 2006-05-16 17:08:35 +00:00
Reid Spencer
a26f7f4966 Make sure to default ${prefix} to /usr/local if the user didn't specify it. 
This assists with getting around configure's late binding values so that
our LLVM variables don't end up with a "NONE" prefix.

llvm-svn: 28325
 2006-05-16 08:53:32 +00:00
Evan Cheng
dc9b5f5fc0 X86 integer register classes naming changes. Make them consistent with FP, vector classes. 
llvm-svn: 28324
 2006-05-16 07:21:53 +00:00
Evan Cheng
d4a056116c Allow patterns to refer to physical registers that belong to multiple 
register classes.

llvm-svn: 28323
 2006-05-16 07:05:30 +00:00
Reid Spencer
8cceeb438c Make sure that $(CXX.Flags) is passed to the linker so that the same options 
with which source is compiled are used when linking. This matters when a
project is using the LLVM makefiles and overrides CXXFLAGS to specify new
flags to use.

llvm-svn: 28322
 2006-05-16 06:51:02 +00:00
Chris Lattner
1024577552 Make this print the right start pointer 
llvm-svn: 28321
 2006-05-16 06:45:50 +00:00
Chris Lattner
ba1dfc1da7 Add a chain to FORMAL_ARGUMENTS. This is a minimal port of the X86 backend, 
it doesn't currently use/maintain the chain properly.  Also, make the
X86ISelLowering.cpp file 80-col clean.

llvm-svn: 28320
 2006-05-16 06:45:34 +00:00
Chris Lattner
f88654d468 Add a chain to FORMAL_ARGUMENTS. 
llvm-svn: 28319
 2006-05-16 06:43:59 +00:00
Vladimir Prus
15fdb12773 Replace "../whatever.td" with "whatever.td", so that out-of-tree backends 
can just add lib/Target to TableGen includes.

llvm-svn: 28318
 2006-05-16 06:39:36 +00:00
Reid Spencer
f613de1e0b For PR778: 
Improve doxygenification of this header file.

llvm-svn: 28317
 2006-05-16 06:27:31 +00:00
Reid Spencer
13c40bc806 When linking, make sure the project libraries are linked before the LLVM 
libraries. This ensures that the project's libraries (which most likely
depend on LLVM libraries) come first on the command line and can thus be
resolved by the LLVM libraries that appear later.

llvm-svn: 28316
 2006-05-16 06:25:14 +00:00
Chris Lattner
fdd62b9073 Move function-live-in-handling code from the sdisel code to the scheduler. 
This code should be emitted after legalize, so it can't be in sdisel.

Note that the EmitFunctionEntryCode hook should be updated to operate on the
DAG.  The X86 backend is the only one currently using this hook.

llvm-svn: 28315
 2006-05-16 06:10:58 +00:00
Chris Lattner
fa068a16e1 Print the vreg that livein physregs are live in 
llvm-svn: 28314
 2006-05-16 05:55:30 +00:00
Chris Lattner
b79e3f7155 Legalize FORMAL_ARGUMENTS nodes correctly, we don't want to legalize them once 
for each argument.

llvm-svn: 28313
 2006-05-16 05:49:56 +00:00
Vladimir Prus
cdc7aab880 Add my homepage, as a test that commit access works 
llvm-svn: 28312
 2006-05-16 05:36:15 +00:00
Chris Lattner
199f3f6af8 Fit in 80 cols 
llvm-svn: 28311
 2006-05-16 04:20:24 +00:00
Rafael Espindola
c928207091 add an abort after every assert(0) 
llvm-svn: 28310
 2006-05-15 22:34:39 +00:00
Reid Spencer
243aaabbe7 For PR777: 
Add an additional catch block to ensure that this function can't throw any
exceptions, even one's we're not expecting.

llvm-svn: 28309
 2006-05-15 22:12:42 +00:00
Reid Spencer
7ef5ed5021 Upgrade in preparation for doxygen 1.4.4. The config file format changed, 
there are new/different css styles to support, and the footer was woefully
out of date.

llvm-svn: 28308
 2006-05-15 21:36:13 +00:00
Chris Lattner
676c3dfd68 Improve comment, patch provided by Vladimir Prus! 
llvm-svn: 28307
 2006-05-15 18:35:02 +00:00
Chris Lattner
a093e85b00 Update dox, patch by Vladimir Prus! 
llvm-svn: 28306
 2006-05-15 17:26:46 +00:00
Chris Lattner
de8ef53351 Improve comments, patch provided by Vladimir Prus! 
llvm-svn: 28305
 2006-05-15 17:25:05 +00:00
Reid Spencer
f74d63a4ba Doxygenify the comments, bringing the file level comments down to be attached 
with the class that it documents. Patch suggested by Vladimir Prus.

llvm-svn: 28304
 2006-05-15 16:12:01 +00:00
Chris Lattner
901e7ad557 Remove some dead code, identified by coverity. 
llvm-svn: 28303
 2006-05-15 05:48:32 +00:00
Owen Anderson
318addc009 Add myself to the credits. 
llvm-svn: 28302
 2006-05-15 05:13:07 +00:00
Rafael Espindola
dd49dfc0df added a skeleton of the ARM backend 
llvm-svn: 28301
 2006-05-14 22:18:28 +00:00
Rafael Espindola
af69110cb7 added myself to CREDITS.TXT 
llvm-svn: 28300
 2006-05-14 20:29:25 +00:00
Chris Lattner
017b3a4335 Free memory allocated by copy_env. 
llvm-svn: 28299
 2006-05-14 19:17:28 +00:00
Chris Lattner
084de55c60 print a nice error if bugpoint gets an error reading inputs. Bug identified 
by coverity.

llvm-svn: 28298
 2006-05-14 19:15:56 +00:00