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Author SHA1 Message Date
Chris Lattner
e7c839ed5a remove V8 reference 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25991 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:32:59 +00:00
Evan Cheng
4ee6211258 * Added SDNode::isOnlyUse(). 
* Fix hasNUsesOfValue(), it should be const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25990 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:29:23 +00:00
Chris Lattner
35409221bc SparcV8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25989 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:26:43 +00:00
Chris Lattner
762236c04f SparcV8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25988 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:56:51 +00:00
Chris Lattner
e1070166e7 These were moved to ../SPARC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25987 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:53:48 +00:00
Chris Lattner
7ce1bbf05d move V8 testcases here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25986 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:52:55 +00:00
Chris Lattner
7c90f73a1b Rename SPARC V8 target to be the LLVM SPARC target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25985 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:50:24 +00:00
Chris Lattner
213845367c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25984 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:27:35 +00:00
Evan Cheng
7dd281b3e5 Re-commit the last bit of change that was backed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25983 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:25:07 +00:00
Evan Cheng
2216d8ad2f Re-committing the last bit of change. It shouldn't break PPC this time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25982 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:22:18 +00:00
Chris Lattner
519ea2abc9 make sure that global doubles are aligned to 8 bytes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25981 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:46:49 +00:00
Chris Lattner
ff805b50f8 Use getPreferredAlignmentLog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:45:04 +00:00
Chris Lattner
7d8d5a522f Use the asmprinter to find out what the preferred alignment of a global is. 
This patch speeds up 172.mgrid from 31.81s to 11.39s on darwin/ppc.
Many many thanks to Nate for tracking down the root cause of the issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25979 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:30:45 +00:00
Chris Lattner
4d57e0cd69 Implement the AsmPrinter::getPreferredAlignmentLog method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25978 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:29:18 +00:00
Chris Lattner
28adf292d9 add a new method, getPreferredAlignmentLog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25977 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:24:06 +00:00
Andrew Lenharth
fd89543e7d linkage fix for weak functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25976 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 19:13:09 +00:00
Jeff Cohen
f3afef3b3a Fix VC++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25975 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 16:20:31 +00:00
Chris Lattner
0a70f219f4 Use SCEVExpander::InsertCastOfTo instead of our own code. This reduces 
#LLVM LOC, and auto-cse's cast instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25974 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:52:43 +00:00
Chris Lattner
ca1a4bebb3 Pull the InsertCastOfTo out of the header, implement CSE'ing of arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25973 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:51:53 +00:00
Chris Lattner
ed412ac2cb Refactor a bunch of code into a non-inlined method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:51:33 +00:00
Chris Lattner
b46ef67679 Temporarily revert this patch, which probably breaks with the 
tblgen patch reverted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25971 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:24:16 +00:00
Chris Lattner
9ed44818c5 Temporarily revert the last change, which breaks PPC and other targets that 
DO select things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25970 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:23:06 +00:00
Chris Lattner
03f774ad80 Value# select instructions, allowing -gcse to remove duplicates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25969 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:15:29 +00:00
Evan Cheng
9c4815a036 Complex pattern's custom matcher should not call Select() on any operands. 
Select them afterwards if it returns true.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25968 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 08:50:49 +00:00
Chris Lattner
c275dfa727 Custom lower VAARG for the case when we are doing vaarg(double). In this 
case, the double being loaded may not be 8-byte aligned, so we have to use
our standard bit_convert game.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25967 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 08:31:30 +00:00
Chris Lattner
c4b612ba2a Fix a nasty typo that broke functions with big stack frames. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25966 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 08:04:21 +00:00
Chris Lattner
329a515fe7 fix a bug in my last checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25965 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 07:48:46 +00:00
Chris Lattner
221fc3c6d6 Fix two significant bugs in LSR: 
1. When rewriting code in outer loops, sometimes we would insert code into
   inner loops that is invariant in that loop.
2. Notice that 4*(2+x) is 8+4*x and use that to simplify expressions.

This is a performance neutral change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25964 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 07:36:50 +00:00
Nate Begeman
a6973c348b Remove some stuff that now works 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25963 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 07:29:35 +00:00
Chris Lattner
0d913eaaed add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25962 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 07:07:31 +00:00
Chris Lattner
69d39091fe Two changes: 
1. Treat FMOVD as a copy instruction, to help with coallescing in V9 mode
2. When in V9 mode, insert FMOVD instead of FpMOVD instructions, as we don't
   ever rewrite FpMOVD instructions into FMOVS instructions, thus we just end
   up with commented out copies!
This should fix a bunch of failures in V9 mode on sparc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 06:58:46 +00:00
Evan Cheng
cccf1232a6 Get rid of some memory leaks identified by Valgrind 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25960 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 06:49:00 +00:00
Chris Lattner
8f9f0d3a34 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25959 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 05:49:01 +00:00
Chris Lattner
fdcc71eaa8 Let bugpoint work on sparc with v9 instructions enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25958 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 05:02:27 +00:00
Jeff Cohen
003cecbc9d Fix VC++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25957 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 03:27:39 +00:00
Jeff Cohen
8e3be85c1e Keep Visual Studio informed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25956 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 03:27:04 +00:00
Chris Lattner
dc19b70d24 Add initial support for immediates. This allows us to compile this: 
int %rlwnm(int %A, int %B) {
  %C = call int asm "rlwnm $0, $1, $2, $3, $4", "=r,r,r,n,n"(int %A, int %B, int 4, int 17)
  ret int %C
}

into:

_rlwnm:
        or r2, r3, r3
        or r3, r4, r4
        rlwnm r2, r2, r3, 4, 17    ;; note the immediates :)
        or r3, r2, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25955 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:26:14 +00:00
Evan Cheng
72f514cf39 Remove an unnecessary predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25954 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:23:01 +00:00
Evan Cheng
e3de85b447 Separate FILD and FILD_FLAG, the later is only used for SSE2. It produces a 
flag so it can be flagged to a FST.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:20:30 +00:00
Chris Lattner
3d81fee851 Initial early support for non-register operands, like immediates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:16:44 +00:00
Chris Lattner
eb8146b5ee implementation of some methods for inlineasm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25951 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:13:02 +00:00
Chris Lattner
c991cf58aa Add some methods for inline asm support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 02:12:09 +00:00
Chris Lattner
8666249ad6 Handle another case exposed on X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25949 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 23:50:46 +00:00
Chris Lattner
593c95878b Fix a nasty problem on two-address machines in the following situation: 
store EAX -> [ss#0]
[ss#0] += 1
...
use(EAX)

In this case, it is not valid to rewrite this as:


store EAX -> [ss#0]
EAX += 1
store EAX -> [ss#0]  ;;; this would also delete the store above
...
use(EAX)

... because EAX is not a dead at that point.  Keep track of which registers
we are allowed to clobber, and which ones we aren't, and don't clobber the
ones we're not supposed to.  :)

This should resolve the issues on X86 last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25948 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 23:28:46 +00:00
Chris Lattner
66cf80f226 significantly simplify the VirtRegMap code by pulling the SpillSlotsAvailable 
and PhysRegsAvailable maps out into a new AvailableSpills struct.  No
functionality change.

This paves the way for a bugfix, coming up next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 23:13:58 +00:00
Nate Begeman
244d1dccd1 Implement some feedback from sabre 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 22:38:07 +00:00
Nate Begeman
de99629e2a Add a framework for eliminating instructions that produces undemanded bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 22:24:05 +00:00
Chris Lattner
1541bc3a23 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25944 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 22:06:45 +00:00
Chris Lattner
e7b06c65ba another case Nate came up with 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 22:05:41 +00:00
Chris Lattner
f92bafa2ca add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25942 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 21:25:23 +00:00