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Author SHA1 Message Date
Chris Lattner
0b59225fe1 check that there are no unexpected operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23359 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:59:34 +00:00
Chris Lattner
c4a8b73ab3 force all instruction operands to be named. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23358 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:13:50 +00:00
Chris Lattner
2e3f5db9ff Give all operands names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23357 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:11:13 +00:00
Chris Lattner
43ef1318c6 give all operands names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23356 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:10:24 +00:00
Chris Lattner
5d7d3dba9c Check that operands have unique names. REJECT instructions with broken operand 
lists: only don't parse them if they are entirely missing (sparcv9).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23355 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:05:02 +00:00
Chris Lattner
3a7319d5ed fix a broke range check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23354 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 21:04:12 +00:00
Chris Lattner
d8a3bde6fd Parse significantly more of the instruction pattern, now collecting and 
verifying information about the operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23353 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 20:53:42 +00:00
Chris Lattner
4345a4a452 Fix some issues exposed by more testing. XORIS had the wrong operands 
specified.  The various *imm operands defined by PPC are really all i32,
even though the actual immediate is restricted to a smaller value in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23352 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 20:53:05 +00:00
Chris Lattner
39e8af9913 Verify that set destinations occur first in the instruction operand list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23351 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 18:19:25 +00:00
Chris Lattner
c36d065dce Fix some bugs noticed by new checking code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23350 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 18:18:39 +00:00
Chris Lattner
a974b20cae add an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23349 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 18:02:53 +00:00
Chris Lattner
6e2f843114 Fix the regression last night compiling povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23348 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 17:32:56 +00:00
Chris Lattner
3452d23c34 fix a major regression from my patch this afternoon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23347 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 06:06:45 +00:00
Chris Lattner
71cdb7fc7a remove some code that isn't ready for prime time 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23346 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 06:03:10 +00:00
Chris Lattner
ec67643e86 Switch to a slightly more structured representation for instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23345 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 04:03:16 +00:00
Chris Lattner
5f8cb2a28a Add some more checking/verification code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23344 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 02:11:12 +00:00
Chris Lattner
1f39e2910b start parsing instructions into patterns, start doing many more checks of 
'set's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23343 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 00:09:24 +00:00
Chris Lattner
303b555164 we don't need this proto any longer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23342 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 22:05:21 +00:00
Chris Lattner
f4f33ba518 don't emit the namespace inside the class! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23341 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 22:05:02 +00:00
Chris Lattner
1048b7a67e Emit code suitable for emission into the ISel class, allowing us to use/define 
methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23340 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 22:03:37 +00:00
Chris Lattner
af16538511 move the #include for the generated code into the isel class body so we 
can use/define class methods


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23339 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 22:03:06 +00:00
Chris Lattner
6de8b53230 continue xform function parsing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23338 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 21:59:15 +00:00
Chris Lattner
24eeeb8c3e Start parsing node transformation information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23337 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 21:51:00 +00:00
Chris Lattner
8f493130bb Add a new Record::getValueAsCode method to mirror the other getValueAs* 
methods.  Use it to simplify some code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23336 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 21:44:28 +00:00
Chris Lattner
ee9f0c3c2e completely eliminate TreePattern::PatternType 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23335 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 21:20:49 +00:00
Chris Lattner
7b738342f0 Change the arg lowering code to use copyfromreg from vregs associated 
with incoming arguments instead of the pregs themselves.  This fixes
the scheduler from causing problems by moving a copyfromreg for an argument
to after a select_cc node (now it can, and bad things won't happen).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23334 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 19:33:40 +00:00
Chris Lattner
8c4469840e This has been moved to the target-indep code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23333 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 19:32:18 +00:00
Chris Lattner
82da52299c This code is no longer needed, it is moved to the target-indep code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23332 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 19:31:44 +00:00
Chris Lattner
fa57702388 If a function has liveins, and if the target requested that they be plopped 
into particular vregs, emit copies into the entry MBB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23331 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 19:30:54 +00:00
Chris Lattner
f2cded73c4 Majik numbers are bad 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23330 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 19:03:13 +00:00
Chris Lattner
31262ce53d Remove some dead vectors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23329 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 18:47:49 +00:00
Chris Lattner
7835cdde40 Add a simple xform to simplify array accesses with casts in the way. 
This is useful for 178.galgel where resolution of dope vectors (by the
optimizer) causes the scales to become apparent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23328 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 18:36:04 +00:00
Chris Lattner
396b2baf3c Fix an issue where LSR would miss rewriting a use of an IV expression by a PHI node that is not the original PHI. 
This fixes up a dot-product loop in galgel, speeding it up from 18.47s to
16.13s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23327 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 02:09:55 +00:00
Duraid Madina
c6342355c9 fails since linux-itanium headers are Different 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23326 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 01:03:53 +00:00
Chris Lattner
eed48275a1 Add a helper function, allowing us to simplify some code a bit, changing 
indentation, no functionality change


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23325 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-13 00:40:14 +00:00
Chris Lattner
408902b3c4 Implement a simple xform to turn code like this: 
if () { store A -> P; } else { store B -> P; }

into a PHI node with one store, in the most trival case.  This implements
load.ll:test10.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23324 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 23:23:25 +00:00
Chris Lattner
15cc608a8f new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23323 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 23:22:17 +00:00
Chris Lattner
9c1f0fd8de Another load-peephole optimization: do gcse when two loads are next to 
each other.  This implements InstCombine/load.ll:test9


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23322 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 22:21:03 +00:00
Chris Lattner
128a0032a2 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23321 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 22:19:46 +00:00
Chris Lattner
62f254df04 Implement a trivial form of store->load forwarding where the store and the 
load are exactly consequtive.  This is picked up by other passes, but this
triggers thousands of times in fortran programs that use static locals
(and is thus a compile-time speedup).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23320 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 22:00:15 +00:00
Chris Lattner
598fbf756f new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23319 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 21:59:22 +00:00
Chris Lattner
12b50410cd Fix a regression from last night, which caused this pass to create invalid 
code for IV uses outside of loops that are not dominated by the latch block.
We should only convert these uses to use the post-inc value if they ARE
dominated by the latch block.

Also use a new LoopInfo method to simplify some code.

This fixes Transforms/LoopStrengthReduce/2005-09-12-UsesOutOutsideOfLoop.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23318 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:11:27 +00:00
Chris Lattner
e4b56572f9 relax pattern match on name 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23317 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:09:40 +00:00
Chris Lattner
24e357ce11 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23316 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:08:15 +00:00
Chris Lattner
b6a69e70e0 Add a new getLoopLatch() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23315 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:03:55 +00:00
Chris Lattner
331a1833e1 new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23314 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:03:16 +00:00
Chris Lattner
c6bae65b49 _test: 
li r2, 0
LBB_test_1:     ; no_exit.2
        li r5, 0
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmpwi cr0, r2, 701
        blt cr0, LBB_test_1     ; no_exit.2
LBB_test_2:     ; loopexit.2.loopexit
        addi r2, r2, 1
        stw r2, 0(r4)
        blr
[zion ~/llvm]$ cat > ~/xx
Uses of IV's outside of the loop should use hte post-incremented version
of the IV, not the preincremented version.  This helps many loops (e.g. in sixtrack)
which used to generate code like this (this is the code from the
dont-hoist-simple-loop-constants.ll testcase):

_test:
        li r2, 0                 **** IV starts at 0
LBB_test_1:     ; no_exit.2
        or r5, r2, r2            **** Copy for loop exit
        li r2, 0
        stw r2, 0(r3)
        addi r3, r3, 4
        addi r2, r5, 1
        addi r6, r5, 2           **** IV+2
        cmpwi cr0, r6, 701
        blt cr0, LBB_test_1     ; no_exit.2
LBB_test_2:     ; loopexit.2.loopexit
        addi r2, r5, 2       ****  IV+2
        stw r2, 0(r4)
        blr

And now generated code like this:

_test:
        li r2, 1               *** IV starts at 1
LBB_test_1:     ; no_exit.2
        li r5, 0
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmpwi cr0, r2, 701     *** IV.postinc + 0
        blt cr0, LBB_test_1
LBB_test_2:     ; loopexit.2.loopexit
        stw r2, 0(r4)          *** IV.postinc + 0
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23313 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 06:04:47 +00:00
Chris Lattner
a0cf183e2c new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23312 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 05:50:15 +00:00
Chris Lattner
2b931e8035 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23311 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 05:30:06 +00:00
Chris Lattner
2fc4f120c6 Rearrange two rules, which apparently makes some versions of bison happier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23310 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 05:29:43 +00:00