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3258ed6a36
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Author SHA1 Message Date
Chris Lattner
3258ed6a36 Add a new sentry node type, allowing assertions to catch trivial 
use-after-deleted errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 00:40:15 +00:00
Owen Anderson
a90b2c7240 A few small clean-ups, and the addition of an LCSSA statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28512 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 00:31:37 +00:00
Evan Cheng
d61c4820c9 Make CALL node consistent with RET node. Signness of value has type MVT::i32 
instead of MVT::i1. Either is fine except MVT::i32 is probably a legal type
for most (if not all) platforms while MVT::i1 is not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28511 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:13:20 +00:00
Evan Cheng
6848be1a27 Change RET node to include signness information of the return values. i.e. 
RET chain, value1, sign1, value2, sign2, ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28510 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:10:12 +00:00
Evan Cheng
8e7d056bc5 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:09:09 +00:00
Owen Anderson
22cf8b118e Trivial testcase that LCSSA can already handle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28508 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:59:20 +00:00
Owen Anderson
fc3a3bc64b Fix a copy-and-paste-o that would break some compilers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28507 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:19:17 +00:00
Owen Anderson
2480737211 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28506 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:11:53 +00:00
Evan Cheng
3fddf241d8 Vector argument must be passed in memory location aligned on 16-byte boundary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28505 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 20:37:47 +00:00
Evan Cheng
1d6a9b3b6c Mac OS X ABI document lied. The first four XMM registers are used to pass 
vector arguments, not three.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28504 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:22:06 +00:00
Chris Lattner
b4db97ffa7 Implement Transforms/InstCombine/store.ll:test2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28503 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:19:20 +00:00
Chris Lattner
0102587f2a New testcase for trivial DSE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28502 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:18:40 +00:00
Chris Lattner
a65371ea25 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28501 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:42:34 +00:00
Chris Lattner
e812d1133b New testcase, check that the bc file correctly encodes varargs nonccc calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28500 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:41:26 +00:00
Evan Cheng
052fb5110f Minor update to make the code more clear 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28499 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:39:59 +00:00
Evan Cheng
f9d62dc6e5 Update more comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28498 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:37:16 +00:00
Evan Cheng
f9ff7c54be Fix some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28497 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:25:43 +00:00
Evan Cheng
6f707999a1 No need to handle illegal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28496 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:22:49 +00:00
Owen Anderson
11f510b577 Skeletal LCSSA pass. This is currently non-functional. Expect functionality 
and documentation updates soo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28495 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 13:58:26 +00:00
Rafael Espindola
a1334cdfb2 On ARM, alignment is in bits 
Add lr as a hard coded operand of bx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28494 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 10:56:17 +00:00
Evan Cheng
138a24e4d4 Remove a couple of bogus casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28493 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 08:04:31 +00:00
Evan Cheng
00aff7d977 Remove a bogus cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28492 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 08:00:14 +00:00
Evan Cheng
57c0788e02 Minor bug caught by Ashwin Chandra 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28491 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 06:22:34 +00:00
Chris Lattner
7b2e2792d6 Transform things like (splat(splat)) -> splat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28490 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 00:29:06 +00:00
Chris Lattner
863bcff183 Introduce a helper function that simplifies interpretation of shuffle masks. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28489 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:48:38 +00:00
Evan Cheng
cc1fc220a0 Consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28488 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:31:23 +00:00
Chris Lattner
01575b7315 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28487 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:24:33 +00:00
Chris Lattner
8e8a511b58 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28486 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:23:22 +00:00
Chris Lattner
73fa49d697 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]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28485 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:53:38 +00:00
Chris Lattner
78b3c420b2 new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28484 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:52:49 +00:00
Evan Cheng
25e71d10a0 Some clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28483 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:38:31 +00:00
Chris Lattner
8b5fbc5cd4 Add support for the missing FP condition codes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28482 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:26:02 +00:00
Evan Cheng
a9bb445db0 Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28481 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:25:52 +00:00
Evan Cheng
932ad51fea X86 / Cygwin asm / alignment fixes. 
Patch contributed by Anton Korobeynikov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28480 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:59:08 +00:00
Chris Lattner
45df8e2d23 The patch corresponding to this test had to be reverted as unsafe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28479 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:25:54 +00:00
Chris Lattner
99f2af2dee Revert a patch that is unsafe, due to out of range array accesses in inner 
array scopes possibly accessing valid memory in outer subscripts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28478 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:25:12 +00:00
Evan Cheng
392b821fa4 New test case. x86 isel was creating a cycle in the DAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28477 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 20:21:19 +00:00
Evan Cheng
553ef1be94 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28476 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 20:16:55 +00:00
Evan Cheng
6b5783d0b1 Build breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28475 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 18:56:34 +00:00
Chris Lattner
8e2a04e21d Fix build failure of povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28473 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 18:06:16 +00:00
Chris Lattner
5d634ce466 Fix Benchmarks/MallocBench/cfrac 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28471 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 16:54:16 +00:00
Rafael Espindola
2f99b6bd96 implement initial version of ARMAsmPrinter::printOperand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 12:57:06 +00:00
Rafael Espindola
c3c1a86aa0 port the ARM backend to use ISD::CALL instead of LowerCallTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28469 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 11:00:18 +00:00
Rafael Espindola
2776bd1d2a create test/Regression/CodeGen/ARM/ and add a minimal test to it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28468 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 10:49:19 +00:00
Evan Cheng
c7b7f4cad2 -sched-commute-nodes is now on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28467 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 08:39:25 +00:00
Evan Cheng
3b78823868 Turn on -sched-commute-nodes by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28465 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 08:37:31 +00:00
Chris Lattner
32cdb6617e Fix breakage on platforms where string/cassert don't pull in int64_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 05:59:50 +00:00
Evan Cheng
32fe1035a7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:59:30 +00:00
Evan Cheng
4360bdcf1f CALL node change (arg / sign pairs instead of just arguments). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:57:32 +00:00
Evan Cheng
f6d62c2e2a CALL node change: now including signness of every argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28461 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:55:32 +00:00