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7433 Commits

Author SHA1 Message Date
Anton Korobeynikov
6ff3f2c710 Add bswap patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76061 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:34:52 +00:00
Anton Korobeynikov
54681eca69 Fix logic inversion for RI-mode address selection 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76052 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:31:14 +00:00
Anton Korobeynikov
9419a0d13d Unbreak the test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:30:49 +00:00
Anton Korobeynikov
bb8a04806d Expand 32-bit bitconverts via memory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:30:29 +00:00
Anton Korobeynikov
f2fd8ea1c9 Fix incomin arg stack frame offset in case we need to generate stack frame 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:29:57 +00:00
Anton Korobeynikov
5dd38de2c2 Revert the commit, it just hides the real bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:28:26 +00:00
Anton Korobeynikov
75eef89ddb Lower anyext to zext, 32-bit stuff does not have any implicit zero-extension side effects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:24:41 +00:00
Anton Korobeynikov
8bd0db7615 Provide consistent subreg idx scheme. This (hopefully) fixes remaining divide problems 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:18:17 +00:00
Anton Korobeynikov
6fe326c713 Implement 'large' PIC model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:16:05 +00:00
Anton Korobeynikov
48e8b3cc58 Implement shifts properly (hopefilly - finally!) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:15:24 +00:00
Anton Korobeynikov
0a42d2b437 Properly handle divides. As a bonus - implement memory versions of them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:14:33 +00:00
Anton Korobeynikov
014d4639d8 32 bit shifts have only 12 bit displacements 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76000 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:13:24 +00:00
Anton Korobeynikov
1ed1e3ecd4 Consolidate reg-imm / reg-reg-imm address mode selection logic in one place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:10:17 +00:00
Anton Korobeynikov
720e3b00b8 Add support for 12 bit displacements 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:09:35 +00:00
Anton Korobeynikov
980d5503c3 Emit proper lowering of load from arg stack slot 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:08:42 +00:00
Anton Korobeynikov
c772c4408e Implement dynamic allocas 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:08:15 +00:00
Anton Korobeynikov
c16cdc5de7 Add jump tables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:07:50 +00:00
Anton Korobeynikov
759205d1ac Add rotates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75981 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:06:49 +00:00
Anton Korobeynikov
cfca8b1f62 Add patterns for integer negate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:06:27 +00:00
Anton Korobeynikov
8c993e1632 Provide proper patterns for and with imm instructions. Tune the tests accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:06:00 +00:00
Anton Korobeynikov
25af73303f Add 32 bit and reg-imm and disable invalid patterns for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75978 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:05:32 +00:00
Anton Korobeynikov
747052c1a5 Add z9 and z10 target processors. Mark z10-only instructions as such. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75977 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:05:00 +00:00
Anton Korobeynikov
22836d1b31 Proper lower 'small' results 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75962 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:58:24 +00:00
Anton Korobeynikov
eb68f1c661 Completel forgot about unconditional branches 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75961 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:57:52 +00:00
Anton Korobeynikov
bad769f11a Lower addresses of globals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75960 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:57:27 +00:00
Anton Korobeynikov
ed1a6d4cad Test (incomplete) for easy muls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:57:03 +00:00
Anton Korobeynikov
8d1837d9be Provide "wide" muls and divs/rems 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75958 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:56:42 +00:00
Anton Korobeynikov
ecf22d5bdc Tests for cmp / br_cc / select_cc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75949 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:53:15 +00:00
Anton Korobeynikov
ef5decab53 Emit callee-saved regs spills / restores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75943 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:51:12 +00:00
Anton Korobeynikov
ba249e41f3 Some preliminary call lowering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75941 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:50:21 +00:00
Anton Korobeynikov
3c98c616c5 Prologue / epilogue emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75940 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:49:49 +00:00
Anton Korobeynikov
51f613fb2b Add simple frame index elimination 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75939 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:49:25 +00:00
Anton Korobeynikov
81c0325cdf Provide proper test :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75938 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:48:59 +00:00
Anton Korobeynikov
711d5b68e0 Add address computation stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75935 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:47:59 +00:00
Anton Korobeynikov
c8301d17a8 Add mem-imm stores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75933 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:47:14 +00:00
Anton Korobeynikov
961bb6f430 Add stores and truncstores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:45:00 +00:00
Anton Korobeynikov
dc28955b3f Add patterns for various extloads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75930 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:44:30 +00:00
Anton Korobeynikov
9e4816e09f Add shifts and reg-imm address matching 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75927 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:43:18 +00:00
Anton Korobeynikov
a51752cbea Add bunch of 32-bit patterns... Uffff :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75926 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:42:31 +00:00
Rafael Espindola
3f2122bea8 Add tests for fixes I committed earlier to the C++ FE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75924 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:35:42 +00:00
Anton Korobeynikov
da308c9a67 Add bunch of reg-imm movs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:34:50 +00:00
Anton Korobeynikov
89edcd0927 Provide masked reg-imm 'or' and 'and' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:33:57 +00:00
Anton Korobeynikov
c79629536a Fix test running lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75918 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:33:21 +00:00
Anton Korobeynikov
e6220fb230 Add reg-reg and pattern 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:32:49 +00:00
Anton Korobeynikov
bdc9081693 Add sub reg-reg pattern 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75916 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:32:16 +00:00
Anton Korobeynikov
b573f99ab7 Add xor reg-reg pattern 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75915 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:31:28 +00:00
Anton Korobeynikov
26ba0b1ec5 Add or reg-reg pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75914 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:30:53 +00:00
Anton Korobeynikov
0676d2887a Add add reg-reg and reg-imm patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75913 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:30:15 +00:00
Anton Korobeynikov
1cc9dc7267 Add simple reg-reg and reg-imm moves 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75912 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:29:38 +00:00
Anton Korobeynikov
87a24e3ee4 Minimal lowering for formal_arguments / ret 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75911 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:28:59 +00:00
Anton Korobeynikov
b24f97dd74 Add testsuite dir for systemz stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 13:28:22 +00:00
Richard Osborne
db9e697725 Combine an unaligned store of unaligned load into a memmove. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 12:50:48 +00:00
Richard Osborne
ccb7e96ef0 Expand unaligned 32 bit loads from an address which is a constant 
offset from a 32 bit aligned base as follows:

  ldw low, base[offset >> 2]
  ldw high, base[(offset >> 2) + 1]
  shr low_shifted, low, (offset & 0x3) * 8
  shl high_shifted, high, 32 - (offset & 0x3) * 8
  or result, low_shifted, high_shifted

Expand 32 bit loads / stores with 16 bit alignment into two 16 bit
loads / stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75902 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 10:42:35 +00:00
Richard Osborne
7f47ce9662 Custom lower unaligned 32 bit stores and loads into libcalls. This is 
a big code size win since before they were expanding to upto 16
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 10:21:18 +00:00
Evan Cheng
378445303b Let callers decide the sub-register index on the def operand of rematerialized instructions. 
Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 09:20:10 +00:00
Chris Lattner
8e25e2d801 implement .include in the lexer/parser instead of passing it into the streamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75896 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 06:14:39 +00:00
Eli Friedman
0c77db32dd Switch invars away from using isTrapping when it really shouldn't be 
using it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75852 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 22:48:29 +00:00
Eli Friedman
fd2934f190 Don't restrict the set of instructions where we try to constant-fold the 
operands; it's possible to end up with a constant-foldable operand to 
most instructions, even those which can't trap.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75845 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 22:13:34 +00:00
Evan Cheng
a499effd3b ShortenDeadCopySrcLiveRange needs to be more conservative in multi-kill situations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 21:39:50 +00:00
Dale Johannesen
cf20031f60 Fix test so it works on systems where wchar_t != int. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 20:40:53 +00:00
Dale Johannesen
e564c6a457 Test for llvm-gcc patch 75822. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 20:27:44 +00:00
Dan Gohman
2467677cd6 Apparently Darwin doesn't have /dev/full :-(. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75809 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 18:41:11 +00:00
Richard Osborne
1d05b237a5 Fix pattern for LD16S_3r, add basic tests to check load / store instructions 
are being properly selected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75797 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 17:06:59 +00:00
Dan Gohman
6a60e16662 Add a testcase for raw_ostream error checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75795 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 16:47:02 +00:00
Richard Osborne
3af282f16a Fix XCoreTargetLowering::isLegalAddressingMode to handle non simple VTs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75788 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 15:46:56 +00:00
Kevin Enderby
6e68cd96b2 Added llvm-mc support for parsing the .dump and .load directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 15:30:11 +00:00
Duncan Sands
c3493cca4c String constants are now output with private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75777 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 12:09:18 +00:00
Chris Lattner
4fb63d088b fix an arm codegen bug (the same as PR4482 on ppc) where available_externally 
symbols were not getting stubs.  While I'm at it, add a big testcase for
stub generation to make sure I don't break anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 04:12:33 +00:00
Chris Lattner
392db3e11d get the PPC stub temporary label from the mangler instead of 
using horrible string hacking.  This gives us a different label,
but it's just an assembler temporary, so the name doesn't matter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75733 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 02:56:53 +00:00
Chris Lattner
a9aa3523bf convert this to filecheck style and make it a test of darwin/PPC's 
extremely elaborate pic/nopic stubs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75726 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 01:43:31 +00:00
Chris Lattner
0bc26723c5 simplify this test to test the esentials. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 01:32:33 +00:00
Kevin Enderby
1f049b24c7 Added llvm-mc support for parsing the .include directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 23:21:55 +00:00
Kevin Enderby
711482476c Added llvm-mc support for parsing the .lsym directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 21:35:03 +00:00
Dan Gohman
0196dc5733 Fix the expansion of umax and smax in the case where one or more of 
the operands have pointer type, so that the resulting type matches
the original SCEV type, and so that unnecessary ptrtoints are
avoided in common cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 20:57:04 +00:00
Chris Lattner
9e3152b381 convert to filecheck style, simplify RUN line, and add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 19:49:11 +00:00
Chris Lattner
8be6cb5b0f convert this test to filecheck style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75663 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:57:40 +00:00
Torok Edwin
969f28dfb6 Introduce a pointertracking pass. 
For now this only computes the allocated size of the memory pointed to by a
pointer, and offset a pointer from allocated pointer.
The actual checkLimits part will come later, after another round of review.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75657 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:44:28 +00:00
Chris Lattner
91bc4936a2 Testcase for PR4556 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75655 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:42:24 +00:00
Chris Lattner
b8158acc23 Reapply my previous asmprinter changes now with more testing and two 
additional bug fixes:

1. The bug that everyone hit was a problem in the asmprinter where it
   would remove $stub but keep the L prefix on a name when emitting the
   indirect symbol.  This is easy to fix by keeping the name of the stub
   and the name of the symbol in a StringMap instead of just keeping a
   StringSet and trying to reconstruct it late.

2. There was a problem printing the personality function.  The current
   logic to print out the personality function from the DWARF information
   is a bit of a cesspool right now that duplicates a bunch of other 
   logic in the asm printer.  The short version of it is that it depends
   on emitting both the L and _ prefix for symbols (at least on darwin)
   and until I can untangle it, it is best to switch the mangler back to
   emitting both prefixes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:17:16 +00:00
Kevin Enderby
95cf30c444 Added llvm-mc support for parsing the .desc directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75645 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:17:10 +00:00
Dan Gohman
533c67ba98 Add a testcase for a bug fixed by r75634. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75644 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 18:15:00 +00:00
Dale Johannesen
fa196e34b0 Revert 75571; I'm convinced this isn't the right thing to do. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 17:48:25 +00:00
Daniel Dunbar
41ffe6c7af Revert r75610 (and r75620, which was blocking the revert), in the hopes of 
unbreaking llvm-gcc (on Darwin).

--- Reverse-merging r75620 into '.':
U    include/llvm/Support/Mangler.h
--- Reverse-merging r75610 into '.':
U    test/CodeGen/X86/loop-hoist.ll
G    include/llvm/Support/Mangler.h
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
U    lib/VMCore/Mangler.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75636 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 15:57:55 +00:00
Chris Lattner
03e9dd9ffa Change the X86 asmprinter to use the mangler to apply suffixes like "$non_lazy_ptr" 
to symbols instead of doing it with "printSuffixedName".  This gets us to the point
where there is a real separation between computing a symbol name and printing it,
something I need for MC printer stuff.

This patch also fixes a corner case bug where unnamed private globals wouldn't get
the private label prefix.

Next up, rename all uses of getValueName -> getMangledName for better greppability,
and then tackle the ppc/arm backends to eliminate "printSuffixedName".



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 06:04:35 +00:00
Chris Lattner
1cda87c3a0 Change the internal interface to makeNameProper to take a bool that 
indicates whether the label is private or not, instead of taking
prefix stuff.  One effect of this is that symbols will be generated
with *just* the private prefix, instead of both the private prefix
*and* the user-label-prefix, but this doesn't matter as long as it
is consistent.  For example we'll now get "Lfoo" instead of "L_foo".
These are just assembler temporary labels anyway, so they never even
make it into the .o file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75607 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 04:50:12 +00:00
Eli Friedman
b468709c91 Fix trivial todo in instcombine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 02:01:53 +00:00
Dan Gohman
0df6e09d43 Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant 
function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75584 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 01:37:59 +00:00
Dan Gohman
65d1e2b6e7 Fix indvars to not assume that a loop with a single unique exit 
block has a single unique exiting block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75579 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 01:09:02 +00:00
David Goodwin
c2ffd286af Fix detection of valid BFC immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 00:57:56 +00:00
Bill Wendling
91267547f7 Check for the correct unnamed name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 00:53:58 +00:00
Dale Johannesen
4458ab0d83 Don't delete asm's just because their inputs are undefined; 
xor R, R is a common and valid idiom for zeroing a register, for example.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75571 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 00:45:38 +00:00
Kevin Enderby
5f1f0b8f7e Added llvm-mc support for parsing the .abort directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 23:15:14 +00:00
Dan Gohman
45f91b70c4 Check in a reduced version of this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75544 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 23:04:44 +00:00
Chris Lattner
d4f53b373e Two changes: 
1) unique globals with the existing "Count" local in Mangler, not with
atomic nonsense.  Using atomics will give us nondeterminstic output
from the compiler when using multiple threads, which is bad.

2) Do not mangle an unknown global name with a type suffix.  We don't
   need this anymore now that llvm ir doesn't have type planes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 22:48:46 +00:00
Eli Friedman
070a981ab7 PR4548: optimize zext+udiv+trunc to udiv. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 22:46:01 +00:00
Eli Friedman
68f74712a9 Fix bug in run-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75534 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 22:31:30 +00:00
Dan Gohman
08d4ec0b20 Add testcases for PR4538, PR4537, and PR4534. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75533 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 22:30:31 +00:00
Eli Friedman
709b33dc78 Canonicalize boolean +/- a constant to a select. 
(I think it's reasonably clear that we want to have a canonical form for 
constructs like this; if anyone thinks that a select is not the best 
canonical form, please tell me.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 22:27:52 +00:00
Dan Gohman
85b05a2e60 Reapply 75252, with a fix to avoid the infinite recursion case. The 
check for avoiding re-analyzing a widening cast needed to happen
earlier, as getSCEV itself may result in a isLoopGuardedByCond query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 21:35:55 +00:00
Kevin Enderby
a5c783280f add llvm-mc support for parsing the .subsections_via_symbols directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 21:03:15 +00:00
Chris Lattner
6fbc1969e9 Move the re-sort of invalidated NonLocalPointerDeps cache earlier 
so that all code paths get it.  PR4256 was about a case where the
phi translation loop would find all preds in the Visited cache, so
it could get by without re-sorting the NonLocalPointerDeps cache.
Fix this by resorting it earlier, there is no reason not to do this.

This patch inspired by Jakub Staszak's patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-13 17:14:23 +00:00
Chris Lattner
4cef7db13f remove tests for removed intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75433 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-12 21:30:06 +00:00
Chris Lattner
0df3b369a5 add nounwind 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75407 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-12 00:46:16 +00:00
Nick Lewycky
f5c21ecfa6 Darwin prepends an _ to internal globals, Linux doesn't. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75405 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 23:48:59 +00:00
Chris Lattner
65a7a6f7a3 fix x86-64 static codegen to materialize the address of a global with movl instead 
of lea.  It is better for code size (and presumably efficiency) to use:

  movl $foo, %eax

rather than:

  leal foo, eax

Both give a nice zero extending "move immediate" instruction, the former is just
smaller.  Note that global addresses should be handled different by the x86
backend, but I chose to follow the style already in place and add more fixme's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 23:17:29 +00:00
Chris Lattner
8ddb9989e6 this test was incorrect for x86-64 static. It passed on darwin, because darwin 
doesn't have static x86-64 mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75392 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 22:30:05 +00:00
Nick Lewycky
d0cca24150 Revert r75252 which was causing some crashes at compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:38:25 +00:00
Chris Lattner
4f06649497 Fix PR4533, which is about buggy codegen in x86-64 -static mode. 
Basically, using:
  lea symbol(%rip), %rax

is not valid in -static mode, because the current RIP may not be
within 32-bits of "symbol" when an app is built partially pic and
partially static.  The fix for this is to compile it to:

  lea symbol, %rax

It would be better to codegen this as:

  movq $symbol, %rax

but that will come next.


The hard part of fixing this bug was fixing abi-isel, which was actively
testing for the wrong behavior.  Also, the RUN lines are completely impossible
to understand what they are testing.  To help with this, convert the -static 
x86-64 codegen tests to use filecheck.  This is much more stable and makes it
more clear what the codegen is expected to be.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:29:19 +00:00
Chris Lattner
238f5100c6 We get the P modifier wrong in a lot of cases, just add some more rigorous testing. 
In addition to fixing this, I still need to do some more testing on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 08:30:22 +00:00
Evan Cheng
ed338e80f9 Don't put IT instruction before conditional branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75361 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 07:26:20 +00:00
Evan Cheng
2f297df02e Smarter isel of ldrsb / ldrsh. Only make use of these when [r,r] address is feasible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75360 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 07:08:13 +00:00
Evan Cheng
446c428bf3 Major changes to Thumb (not Thumb2). Many 16-bit instructions either modifies CPSR when they are outside the IT blocks, or they can predicated when in Thumb2. Move the implicit def of CPSR to an optional def which defaults CPSR. This allows the 's' bit to be toggled dynamically. 
A side-effect of this change is asm printer is now using unified assembly. There are some minor clean ups and fixes as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 06:43:01 +00:00
Chris Lattner
9be3fee2bd add support for .zerofill, patch by Kevin Enderby! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 22:20:30 +00:00
Chris Lattner
84232681cc convert test to use FileCheck, which is much more precise and faster than 
the previous RUN lines.  Hopefully this will be an inspiration for future
tests :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75261 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 18:34:47 +00:00
Dan Gohman
1b342583f6 Generalize ScalarEvolution's cast-folding code to support more kinds 
of loops. Add several new functions to for working with ScalarEvolution's
add-hoc value-range analysis functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 16:42:52 +00:00
Evan Cheng
06e16587eb Add a thumb2 pass to insert IT blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 01:54:42 +00:00
Evan Cheng
9c06178e35 Remove a bogus assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75206 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-10 00:23:48 +00:00
Bob Wilson
9b4b00ad43 Handle 'a' modifier on inline assembly operands. 
This is part of the fix for pr4521.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 23:54:51 +00:00
Eli Friedman
c680ac9003 Make EXTRACT_VECTOR_ELT a bit more flexible in terms of the returned 
value.  Adjust other code to deal with that correctly.  Make 
DAGTypeLegalizer::PromoteIntRes_EXTRACT_VECTOR_ELT take advantage of 
this new flexibility to simplify the code and make it deal with unusual 
vectors (like <4 x i1>) correctly.  Fixes PR3037.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 22:01:03 +00:00
Chris Lattner
1fc3d75581 add llvm-mc support for parsing the .lcomm directive, patch by Kevin Enderby! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 17:25:12 +00:00
Nick Lewycky
89f43a5c70 There's no need to consider PHI nodes in the same block as the instruction 
we're inserting sigma/phi functions for. Patch by Andre Tavares.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 15:59:27 +00:00
Evan Cheng
910139f9ca Targets sometimes assign fixed stack object to spill certain callee-saved 
registers based on dynamic conditions. For example, X86 EBP/RBP, when used as
frame register has to be spilled in the first fixed object. It should inform
PEI this so it doesn't get allocated another stack object. Also, it should not
be spilled as other callee-saved registers but rather its spilling and restoring
are being handled by emitPrologue and emitEpilogue. Avoid spilling it twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 06:53:48 +00:00
Lang Hames
ffd1326ff8 Improved tracking of value number kills. VN kills are now represented 
as an (index,bool) pair. The bool flag records whether the kill is a
PHI kill or not. This code will be used to enable splitting of live
intervals containing PHI-kills.

A slight change to live interval weights introduced an extra spill
into lsr-code-insertion (outside the critical sections). The test 
condition has been updated to reflect this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75097 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 03:57:02 +00:00
Chris Lattner
39f56b6d16 remove eh, convert to FileCheck style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 01:07:22 +00:00
Chris Lattner
f4a9774e2b we have no tests for dllimport/export. Add one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 00:53:44 +00:00
Chris Lattner
9f44b3a411 * add some assertions for sanity checking. 
* remove some old code that was needed when we'd put ESP in the scale instead of 
  the base of some instructions.
* Fix a bug with the P modifier in inline asm that caused us to drop it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 00:27:29 +00:00
Chris Lattner
600f175834 add a test for dale's recent change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 00:00:16 +00:00
Chris Lattner
ab711cc593 switch test to FileCheck-style and test the P and non-P cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75071 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 23:44:06 +00:00
Chris Lattner
e5646ccf66 rename a test to make it a feature test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 23:40:57 +00:00
David Goodwin
f1daf7d8ab Use common code for both ARM and Thumb-2 instruction and register info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 23:10:31 +00:00
Devang Patel
2214c94bb7 Drop "constant" from 
!0 = constant metadata !{...}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 21:57:07 +00:00
Devang Patel
320671d265 Update SLotTracker to handle MDNode slots. 
Simplify MDNode printing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 21:44:25 +00:00
Chris Lattner
096e7280c2 Switch all the MC tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 20:50:34 +00:00
Chris Lattner
648f9970ae convert to FileCheck style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 20:40:54 +00:00
Bob Wilson
2ed334694f Implement NEON vst1 instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 20:32:02 +00:00
Devang Patel
1c7eea60d3 Support MDNode forward reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75031 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 19:23:54 +00:00
Chris Lattner
515cdbe49d add some more check for vector compares. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 18:51:25 +00:00
Chris Lattner
57e56cd72a convert a test to "FileCheck" style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 18:48:24 +00:00
Bob Wilson
205a5ca6cf Implement NEON vld1 instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 18:11:30 +00:00
David Goodwin
a928f27d23 Add rev16 test... xfail for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 16:15:06 +00:00
David Goodwin
334c26473b Checkpoint Thumb2 Instr info work. Generalized base code so that it can be shared between ARM and Thumb2. Not yet activated because register information must be generalized first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 16:09:28 +00:00
Nick Lewycky
7f6aa2b162 Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 03:04:38 +00:00
Chris Lattner
a47d9669b7 eliminate the v[if]cmp versions of these tests, now that [if]cmp+sext works. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 00:49:35 +00:00
Chris Lattner
b2773e1ada Change these tests to use [fi]cmp+sext instead of v[fi]cmp. No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 00:46:57 +00:00
Chris Lattner
2b7a271c71 dag combine sext(setcc) -> vsetcc before legalize. To make this safe, 
VSETCC must define all bits, which is different than it was documented
to before.  Since all targets that implement VSETCC already have this
behavior, and we don't optimize based on this, just change the 
documentation.  We now get nice code for vec_compare.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74978 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 00:31:33 +00:00
Chris Lattner
c2c27b3627 add support for legalizing an icmp where the result is illegal (4xi1) but 
the input is legal (4 x i32)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74964 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 23:03:54 +00:00
Chris Lattner
cb178c61e4 add a trivial test that vector compares work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74963 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 22:51:09 +00:00
Chris Lattner
5962ed0a36 implement support for spliting and scalarizing vector setcc's. This 
finishes off enough support for vector compares to get the icmp/fcmp
version of 2008-07-23-VSetCC.ll passing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74961 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 22:47:46 +00:00
Chris Lattner
33d6a3451b verify that the fcmp version of this works just as well as the 
vfcmp version.  We actually get better code for this silly testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74954 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 22:07:47 +00:00
Evan Cheng
e253c951b3 Add Thumb2 movcc instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74946 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-07 20:39:03 +00:00