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24920 Commits

Author SHA1 Message Date
Evan Cheng a2e9953c54 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2

llvm-svn: 28509
 2006-05-26 23:09:09 +00:00
Owen Anderson f980a7478f Trivial testcase that LCSSA can already handle. 
llvm-svn: 28508
 2006-05-26 21:59:20 +00:00
Owen Anderson 6e047ab8fc Fix a copy-and-paste-o that would break some compilers. 
llvm-svn: 28507
 2006-05-26 21:19:17 +00:00
Owen Anderson f3dd3e2bfd Clean up and refactor LCSSA a bunch. It should also run faster now, though 
there's still a lot of work to be done on it.

llvm-svn: 28506
 2006-05-26 21:11:53 +00:00
Evan Cheng b92f418408 Vector argument must be passed in memory location aligned on 16-byte boundary. 
llvm-svn: 28505
 2006-05-26 20:37:47 +00:00
Evan Cheng bfb5ea6875 Mac OS X ABI document lied. The first four XMM registers are used to pass 
vector arguments, not three.

llvm-svn: 28504
 2006-05-26 19:22:06 +00:00
Chris Lattner dab43b2b0e Implement Transforms/InstCombine/store.ll:test2. 
llvm-svn: 28503
 2006-05-26 19:19:20 +00:00
Chris Lattner 158dd8aca8 New testcase for trivial DSE 
llvm-svn: 28502
 2006-05-26 19:18:40 +00:00
Chris Lattner 44a793c3a6 Fix a bug in the bc reader/writer: we were not correctly encoding varargs 
nonccc calls (we were dropping the CC and tail flag).  This broke several
FORTRAN programs.

Testcase here: Regression/Assembler/2006-05-26-VarargsCallEncode.ll

llvm-svn: 28501
 2006-05-26 18:42:34 +00:00
Chris Lattner 49e7f56e7f New testcase, check that the bc file correctly encodes varargs nonccc calls. 
llvm-svn: 28500
 2006-05-26 18:41:26 +00:00
Evan Cheng a01e799927 Minor update to make the code more clear 
llvm-svn: 28499
 2006-05-26 18:39:59 +00:00
Evan Cheng cbfb3d07e0 Update more comments. 
llvm-svn: 28498
 2006-05-26 18:37:16 +00:00
Evan Cheng 763f9b00f0 Fix some comments. 
llvm-svn: 28497
 2006-05-26 18:25:43 +00:00
Evan Cheng 83dc51d7ff No need to handle illegal types. 
llvm-svn: 28496
 2006-05-26 18:22:49 +00:00
Owen Anderson 8eca8910b6 Skeletal LCSSA pass. This is currently non-functional. Expect functionality 
and documentation updates soo.

llvm-svn: 28495
 2006-05-26 13:58:26 +00:00
Rafael Espindola 87bc1a9b0b On ARM, alignment is in bits 
Add lr as a hard coded operand of bx

llvm-svn: 28494
 2006-05-26 10:56:17 +00:00
Evan Cheng 70145f2d5e Remove a couple of bogus casts. 
llvm-svn: 28493
 2006-05-26 08:04:31 +00:00
Evan Cheng 0f5c7936e7 Remove a bogus cast. 
llvm-svn: 28492
 2006-05-26 08:00:14 +00:00
Evan Cheng 29296b844f Minor bug caught by Ashwin Chandra 
llvm-svn: 28491
 2006-05-26 06:22:34 +00:00
Chris Lattner 0e47716e69 Transform things like (splat(splat)) -> splat 
llvm-svn: 28490
 2006-05-26 00:29:06 +00:00
Chris Lattner 12249be286 Introduce a helper function that simplifies interpretation of shuffle masks. 
No functionality change.

llvm-svn: 28489
 2006-05-25 23:48:38 +00:00
Evan Cheng 8aca43e8da Consistency 
llvm-svn: 28488
 2006-05-25 23:31:23 +00:00
Chris Lattner 99155be33f Turn (cast (shuffle (cast)) -> shuffle (cast) if it reduces the # casts in 
the program.  This exposes more opportunities for the instcombiner, and implements
vec_shuffle.ll:test6

llvm-svn: 28487
 2006-05-25 23:24:33 +00:00
Chris Lattner cdfb4cbad8 new testcase 
llvm-svn: 28486
 2006-05-25 23:23:22 +00:00
Chris Lattner 83f6578b0c extract element from a shuffle vector can be trivially turned into an 
extractelement from the SV's source.  This implement vec_shuffle.ll:test[45]

llvm-svn: 28485
 2006-05-25 22:53:38 +00:00
Chris Lattner f322bf6297 new testcases 
llvm-svn: 28484
 2006-05-25 22:52:49 +00:00
Evan Cheng 0421aca87a Some clean up. 
llvm-svn: 28483
 2006-05-25 22:38:31 +00:00
Chris Lattner dc1614d93e Add support for the missing FP condition codes 
llvm-svn: 28482
 2006-05-25 22:26:02 +00:00
Evan Cheng 29f805ec65 Remove some dead code. 
llvm-svn: 28481
 2006-05-25 22:25:52 +00:00
Evan Cheng 2554e3d9ba X86 / Cygwin asm / alignment fixes. 
Patch contributed by Anton Korobeynikov!

llvm-svn: 28480
 2006-05-25 21:59:08 +00:00
Chris Lattner d0754ad9e6 The patch corresponding to this test had to be reverted as unsafe. 
llvm-svn: 28479
 2006-05-25 21:25:54 +00:00
Chris Lattner 0853700582 Revert a patch that is unsafe, due to out of range array accesses in inner 
array scopes possibly accessing valid memory in outer subscripts.

llvm-svn: 28478
 2006-05-25 21:25:12 +00:00
Evan Cheng 29ba01f214 New test case. x86 isel was creating a cycle in the DAG. 
llvm-svn: 28477
 2006-05-25 20:21:19 +00:00
Evan Cheng cc8c0233b6 Can't trust NodeDepth when checking for possibility of load folding creating 
a cycle. This increase the search space and will increase compile time (in
practice it appears to be small, e.g. 176.gcc goes from 62 sec to 65 sec)
that will be addressed later.

llvm-svn: 28476
 2006-05-25 20:16:55 +00:00
Evan Cheng 5ee96893ae Build breakage. 
llvm-svn: 28475
 2006-05-25 18:56:34 +00:00
Chris Lattner 1fbb0d38c7 Fix build failure of povray 
llvm-svn: 28473
 2006-05-25 18:06:16 +00:00
Chris Lattner 630bbcef8d Fix Benchmarks/MallocBench/cfrac 
llvm-svn: 28471
 2006-05-25 16:54:16 +00:00
Rafael Espindola 91df1ef41f implement initial version of ARMAsmPrinter::printOperand 
llvm-svn: 28470
 2006-05-25 12:57:06 +00:00
Rafael Espindola 4781610886 port the ARM backend to use ISD::CALL instead of LowerCallTo 
llvm-svn: 28469
 2006-05-25 11:00:18 +00:00
Rafael Espindola b14e20733e create test/Regression/CodeGen/ARM/ and add a minimal test to it 
llvm-svn: 28468
 2006-05-25 10:49:19 +00:00
Evan Cheng 9414021779 -sched-commute-nodes is now on by default. 
llvm-svn: 28467
 2006-05-25 08:39:25 +00:00
Evan Cheng 009f5f55f7 Turn on -sched-commute-nodes by default. 
llvm-svn: 28465
 2006-05-25 08:37:31 +00:00
Chris Lattner cafbb1535d Fix breakage on platforms where string/cassert don't pull in int64_t. 
llvm-svn: 28464
 2006-05-25 05:59:50 +00:00
Evan Cheng 2a33094284 Switch X86 over to a call-selection model where the lowering code creates 
the copyto/fromregs instead of making the X86ISD::CALL selection code create
them.

llvm-svn: 28463
 2006-05-25 00:59:30 +00:00
Evan Cheng c2cd473d9b CALL node change (arg / sign pairs instead of just arguments). 
llvm-svn: 28462
 2006-05-25 00:57:32 +00:00
Evan Cheng 4582771f3f CALL node change: now including signness of every argument. 
llvm-svn: 28461
 2006-05-25 00:55:32 +00:00
Evan Cheng d6f53213ba CALL node change: now containing signness of each argument. 
llvm-svn: 28460
 2006-05-25 00:54:33 +00:00
Evan Cheng 4af59dac0b Assert if InflightSet is not cleared after instruction selecting a BB. 
llvm-svn: 28459
 2006-05-25 00:24:28 +00:00
Evan Cheng 07a4e5ceb1 Fixed a really ugly bug. The TableGen'd isel is not freeing the "inflight set" 
correctly. That is causing non-deterministic behavior (and possibly preventing
some load folding from happening).

llvm-svn: 28458
 2006-05-25 00:21:44 +00:00
Chris Lattner 213a85b43c Abstract out the current optimization level into a flag that can be overridden 
on the make line, to avoid bugs in native compilers.

llvm-svn: 28457
 2006-05-24 23:02:40 +00:00