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Author SHA1 Message Date
Evan Cheng
5ea6a8d9e4 Prologue and epilogue bugs for non-Darwin targets. 
llvm-svn: 33390
 2007-01-20 03:24:07 +00:00
Evan Cheng
a6803554ab Clean up ARM PEI code. 
llvm-svn: 33389
 2007-01-20 02:09:25 +00:00
Evan Cheng
5807fbc934 Backend is reponsible for aligning the stack. 
llvm-svn: 33388
 2007-01-20 02:08:16 +00:00
Evan Cheng
7e02b3a690 We not align the final stack slot but instead let the target do so in emitPrologue(). Each target can make adjustments to the stack frame and re-align the stack as it deem appropriate. Do not align it twice which can end up wasting stack space. 
llvm-svn: 33387
 2007-01-20 02:07:13 +00:00
Reid Spencer
942e6f9c64 Fix a #include to resolve IntegerType class. 
llvm-svn: 33385
 2007-01-19 22:45:50 +00:00
Reid Spencer
110e030d7b Add a #include to resolve IntegerType class. 
llvm-svn: 33384
 2007-01-19 22:45:05 +00:00
Evan Cheng
bf113a03b7 Add test case extracted from lencod. Spiller was infinite looping in GetRegForReload(). 
llvm-svn: 33383
 2007-01-19 22:43:14 +00:00
Evan Cheng
60dd79e443 GetRegForReload() now keeps track which registers have been considered and rejected during its quest to find a suitable reload register. This avoids an infinite loop in case like this: 
t1 := op t2, t3
  t2 <- assigned r0 for use by the reload but ended up reuse r1
  t3 <- assigned r1 for use by the reload but ended up reuse r0
  t1 <- desires r1
        sees r1 is taken by t2, tries t2's reload register r0
        sees r0 is taken by t3, tries t3's reload register r1
        sees r1 is taken by t2, tries t2's reload register r0 ...

llvm-svn: 33382
 2007-01-19 22:40:14 +00:00
Reid Spencer
b2b35908d6 Unbreak Darwin. 
llvm-svn: 33375
 2007-01-19 22:04:24 +00:00
Reid Spencer
2b799d8208 Help the lli interpreter find the stderr/stdin/stdout symbols. These are 
needed for output to be generated. On Linux these are both global vars and
macro definitions so we have to special case Linux.

llvm-svn: 33374
 2007-01-19 21:41:04 +00:00
Reid Spencer
5d29c5a81b Handle each of stderr/stdin/stdout separately. 
llvm-svn: 33373
 2007-01-19 21:30:39 +00:00
Reid Spencer
4bcddb2f04 Remove dead methods in the ValTypes. 
llvm-svn: 33372
 2007-01-19 21:25:12 +00:00
Reid Spencer
af3564823f For this transform: store V, (cast P) -> store (cast V), P 
don't allow the transform if V and the pointer's element type are different
width integer types.

llvm-svn: 33371
 2007-01-19 21:20:31 +00:00
Reid Spencer
14b42c0040 For PR1043: 
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.

llvm-svn: 33370
 2007-01-19 21:13:56 +00:00
Reid Spencer
8302672156 Make this test actually test what its supposed to test. 
llvm-svn: 33369
 2007-01-19 21:06:38 +00:00
Evan Cheng
5d0be572b5 Code clean up. Use def : pat instead of defining new instructions. 
llvm-svn: 33368
 2007-01-19 20:27:35 +00:00
Andrew Lenharth
0014d1c74b fix build on amd64 
llvm-svn: 33367
 2007-01-19 20:17:59 +00:00
Evan Cheng
51292f4863 isDarwin -> isTargetDarwin 
llvm-svn: 33366
 2007-01-19 19:28:01 +00:00
Evan Cheng
99725bd310 Restructure code a bit to make use of continue (simplifying things). Generalize 
the .zerofill directive emission to not be darwin-specific.

llvm-svn: 33365
 2007-01-19 19:25:36 +00:00
Evan Cheng
025816f18c Darwin doesn't support .bss, but it does have .zerofill 
llvm-svn: 33364
 2007-01-19 19:23:47 +00:00
Evan Cheng
b1a4190523 Introduce TargetType's ELF and Darwin. 
llvm-svn: 33363
 2007-01-19 19:22:40 +00:00
Evan Cheng
9203bd4339 Modify emission of jump tables on darwin to emit an extra "l" label that 
delimits the boundaries of jump tables.  This lets the linker's dead code
stripping optimization do a better job.

llvm-svn: 33362
 2007-01-19 18:59:56 +00:00
Evan Cheng
ced4fcb608 Remove this xform: 
(shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2)
Replace it with:
(add (shl (add x, c1), c2), ) -> (add (add (shl x, c2), c1<<c2), )

This fixes test/CodeGen/ARM/smul.ll

llvm-svn: 33361
 2007-01-19 17:51:44 +00:00
Reid Spencer
3e9cf16cb6 Add the check for udis86 to support disassembly. 
Regenerated for Anton Korobeynikov.

llvm-svn: 33360
 2007-01-19 17:41:47 +00:00
Lauro Ramos Venancio
f53f62b91d Fix section definition. 
llvm-svn: 33359
 2007-01-19 17:33:22 +00:00
Anton Korobeynikov
944088f221 Adding disassembler interface and external hook to udis86 library. 
llvm-svn: 33358
 2007-01-19 17:25:17 +00:00
Reid Spencer
514b76730f icmp doesn't support comparison of packed types. 
llvm-svn: 33357
 2007-01-19 17:11:12 +00:00
Zhou Sheng
bb82bc11ae Cover non-byte-width BATs situation. 
llvm-svn: 33356
 2007-01-19 14:30:59 +00:00
Zhou Sheng
0b7ea20f4a Cover more arithmetics for arbitrary bitwidth integers. 
llvm-svn: 33355
 2007-01-19 14:26:57 +00:00
Evan Cheng
1897bbd2cf ARM test cases contributed by Apple. 
llvm-svn: 33354
 2007-01-19 09:20:23 +00:00
Evan Cheng
c6e1d453d3 ARM backend contribution from Apple. 
llvm-svn: 33353
 2007-01-19 07:51:42 +00:00
Nick Lewycky
b8c2b60bb5 Needed to build on PPC Linux. 
llvm-svn: 33352
 2007-01-19 04:36:02 +00:00
Zhou Sheng
4cada26096 Add one test case for Arbitrary BitWidth Integers. 
llvm-svn: 33348
 2007-01-19 01:35:08 +00:00
Reid Spencer
d331480e5b Back out last changes for dataLayout. Much more work is needed. 
llvm-svn: 33347
 2007-01-19 00:07:16 +00:00
Reid Spencer
de679f8779 For PR761: 
Implement reading and writing of the Module's data layout string.

llvm-svn: 33346
 2007-01-18 23:24:24 +00:00
Evan Cheng
f6b1a88a1a - Target PIC style is no longer affected by relocation model. 
- In x86-64 mode, symbols with external linkage (not just symbols which are
  defined externally) requires GOT indirect reference.
- Stylistic code clean up.

llvm-svn: 33345
 2007-01-18 22:27:12 +00:00
Chris Lattner
b59923f5b1 remove an execution test from llvm/test 
llvm-svn: 33344
 2007-01-18 22:24:04 +00:00
Chris Lattner
ef4715a124 Fix InstCombine/2007-01-18-VectorInfLoop.ll, a case where instcombine 
infinitely loops.

llvm-svn: 33343
 2007-01-18 22:16:33 +00:00
Chris Lattner
f457b999c7 new testcase that causes instcombine to infinitely loop 
llvm-svn: 33342
 2007-01-18 22:16:03 +00:00
Reid Spencer
97638ab49a Update copyright for 2007. 
llvm-svn: 33339
 2007-01-18 21:33:56 +00:00
John Criswell
4bdb2ae524 Welcome 2007. 
llvm-svn: 33338
 2007-01-18 21:22:36 +00:00
Reid Spencer
7ba10cda74 Clean up some code around the store V, (cast P) -> store (cast V), P 
transform. Change some variable names so it is clear what is source and
what is dest of the cast. Also, add an assert to ensure that the integer
to integer case is asserting if the bitwidths are different. This prevents
illegal casts from being formed and catches bitwidth bugs sooner.

llvm-svn: 33337
 2007-01-18 18:54:33 +00:00
Reid Spencer
b52af65aaa Use a cheaper computation. 
llvm-svn: 33336
 2007-01-18 18:14:49 +00:00
Reid Spencer
08e261a5f6 Fix a regression in the last patch. When constructing a BitMask, be careful 
not to overflow 64-bits and end up with a 0 mask. This caused i64 values to
always be stored as 0 with lots of consequential damage to nightly test.

llvm-svn: 33335
 2007-01-18 18:01:32 +00:00
Chris Lattner
54dac5f09e move contents of PR587 to here. 
llvm-svn: 33333
 2007-01-18 07:34:57 +00:00
Reid Spencer
80bf052680 Provide an isPowerOf2ByteWidth method for the IntegerType class. This will 
mostly be used by back ends that wish to distinguish between integer types
that fit evenly within a natural integer type and those that don't.

llvm-svn: 33328
 2007-01-18 02:59:54 +00:00
Bill Wendling
62dff8125a The zerofill directive needs a newline after it. 
llvm-svn: 33327
 2007-01-18 02:30:19 +00:00
Reid Spencer
e242773c58 Use the new maskToBitWidth function to ensure that the results of 
computations do not overflow the intended bit width.

llvm-svn: 33326
 2007-01-18 02:12:51 +00:00
Reid Spencer
bff2bccb7c Add an inline helper function that masks a GenericValue to a specified 
bit width.

llvm-svn: 33325
 2007-01-18 02:12:10 +00:00
Evan Cheng
7ff918163b Minor code clean up. 
llvm-svn: 33323
 2007-01-18 01:49:58 +00:00