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03c70b7f27
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5362 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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
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
Chris Lattner
676c3dfd68 Improve comment, patch provided by Vladimir Prus! 
llvm-svn: 28307
 2006-05-15 18:35:02 +00:00
Chris Lattner
901e7ad557 Remove some dead code, identified by coverity. 
llvm-svn: 28303
 2006-05-15 05:48:32 +00:00
Rafael Espindola
dd49dfc0df added a skeleton of the ARM backend 
llvm-svn: 28301
 2006-05-14 22:18:28 +00:00
Chris Lattner
3fe38bf77b Update comment. 
llvm-svn: 28283
 2006-05-14 02:05:19 +00:00
Chris Lattner
50371a3046 Fix build breakage :( 
llvm-svn: 28267
 2006-05-12 23:26:11 +00:00
Chris Lattner
dbbbabb17b More coverity fixes 
llvm-svn: 28266
 2006-05-12 21:14:20 +00:00
Chris Lattner
db8caed257 Dead variable 
llvm-svn: 28265
 2006-05-12 21:12:22 +00:00
Chris Lattner
adcb0582d8 Remove dead var, fix bad override. 
llvm-svn: 28264
 2006-05-12 21:09:57 +00:00
Evan Cheng
871a83d4d0 Remove dead code 
llvm-svn: 28261
 2006-05-12 19:03:56 +00:00
Chris Lattner
04a8ddfd68 Actually override the right method. :) 
Bug identified by coverity.

llvm-svn: 28259
 2006-05-12 18:19:25 +00:00
Chris Lattner
f741502e85 remove dead variable. 
llvm-svn: 28258
 2006-05-12 18:17:25 +00:00
Chris Lattner
9789688d36 remove dead variable. 
llvm-svn: 28248
 2006-05-12 17:33:59 +00:00
Chris Lattner
2c316c91e8 Remove dead variable. 
llvm-svn: 28247
 2006-05-12 17:31:21 +00:00
Chris Lattner
bcd2c4f32d Fix PowerPC/2006-05-12-rlwimi-crash.ll 
Nate, please verify that if InsertMask is 0, rlwimi shouldn't be used.
This fixes the crash and causes no PPC testsuite regressions.

llvm-svn: 28243
 2006-05-12 16:29:37 +00:00
Owen Anderson
1245bd420e Add a method to generate a string representation from a TargetData. 
This continues the work on PR 761.

llvm-svn: 28239
 2006-05-12 07:01:44 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00
Owen Anderson
a0a9e4584a Fix some tabbing issues. 
llvm-svn: 28237
 2006-05-12 06:06:55 +00:00
Owen Anderson
30ffff31f2 Add a new constructor to TargetData that builds a TargetData from its 
string representation.

This is part of PR 761.

llvm-svn: 28234
 2006-05-12 05:49:47 +00:00
Evan Cheng
eb67c0f664 Typo! How did we commute nodes before?! 
llvm-svn: 28229
 2006-05-12 01:46:26 +00:00
Evan Cheng
6a08dd641a Add MOV16_rm / MOV32_rm and MOV16_mr / MOV32_mr to isLoadFromStackSlot and isStoreToStackSlot 
llvm-svn: 28223
 2006-05-11 07:33:49 +00:00
Chris Lattner
085cfba0ca Fix the PowerPC JIT-only failure on UnitTests/Vector/sumarray-dbl, which is 
really a bad codegen bug that LLC happens to get lucky with. I must chat with
Nate for the proper fix.

llvm-svn: 28213
 2006-05-10 06:38:32 +00:00
Chris Lattner
56680711dc Indent .data/.text in the .s file 
llvm-svn: 28204
 2006-05-09 16:15:00 +00:00
Evan Cheng
1f5c530d04 Remove a completed entry. 
llvm-svn: 28199
 2006-05-09 06:54:05 +00:00
Chris Lattner
b7152b0b42 Implement MASM sections correctly, without a "has masm sections flag" and a bunch of special case code. 
llvm-svn: 28194
 2006-05-09 05:33:48 +00:00
Chris Lattner
85032c8c5c MASM doesn't have one of these. 
llvm-svn: 28190
 2006-05-09 05:21:47 +00:00
Chris Lattner
8301da3ffe Preserve prior behavior 
llvm-svn: 28187
 2006-05-09 05:15:24 +00:00
Chris Lattner
0c4a1e56f4 Fix the MASM asmprinter's lies. It does not want to emit code to .text/.data 
it wants it emitted to _text/_data.

llvm-svn: 28185
 2006-05-09 05:12:53 +00:00
Chris Lattner
f45b6d5c08 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Chris Lattner
71c68064f9 Some notes and thoughts to myself 
llvm-svn: 28182
 2006-05-09 04:58:46 +00:00
Chris Lattner
5609ba71a5 Another bad case I noticed 
llvm-svn: 28177
 2006-05-08 21:39:45 +00:00
Chris Lattner
4f3345f1f1 add a note 
llvm-svn: 28176
 2006-05-08 21:24:21 +00:00
Nate Begeman
db854c6772 Yet more readme updating 
llvm-svn: 28172
 2006-05-08 20:54:02 +00:00
Nate Begeman
1ff4d8f2fe New note about something bad happening in target independent optimizers 
llvm-svn: 28170
 2006-05-08 20:08:28 +00:00