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Author SHA1 Message Date
Chris Lattner
00ffed0468 Add interfaces for targets to provide target-specific dag combiner optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26442 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:52:55 +00:00
Chris Lattner
5750df9d69 Add a new AddToWorkList method, start using it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:03:14 +00:00
Chris Lattner
0b1a85f110 Pull shifts by a constant through multiplies (a form of reassociation), 
implementing Regression/CodeGen/X86/mul-shift-reassoc.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 03:44:24 +00:00
Chris Lattner
cf6a9fbd9b new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 03:43:38 +00:00
Evan Cheng
d30bf01e90 Vector op lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:11:20 +00:00
Evan Cheng
9073dea7c0 New vector type v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:10:52 +00:00
Evan Cheng
860771d2d8 Vector ops lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26436 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:09:54 +00:00
Evan Cheng
f338dd881f New type v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26435 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:06:22 +00:00
Evan Cheng
bf57e1f456 Missing a cast previously. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26434 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:58:54 +00:00
Evan Cheng
70695ab626 - Added v2f32, not used by any target currently. Only for testing purpose. 
- Minor bug fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26433 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:55:26 +00:00
Evan Cheng
1ab7d859cf - Added VConstant as an abstract version of ConstantVec. 
- All abstrct vector nodes must have # of elements and element type as their
first two operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:51:13 +00:00
Evan Cheng
ce531a4eff Add a test case for left shift by 1. We should not be using lea for this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 23:57:45 +00:00
Evan Cheng
aafc1412b1 Another entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26430 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 23:38:49 +00:00
Evan Cheng
8c03fe4aca Don't match x << 1 to LEAL. It's better to emit x + x. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26429 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 21:13:57 +00:00
Jim Laskey
45ccae5b7d Add const, volatile, restrict support. 
Add array of debug descriptor support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26428 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 20:15:07 +00:00
Chris Lattner
06e1e25368 Fix a regression in a patch from a couple of days ago. This fixes 
Transforms/InstCombine/2006-02-28-Crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26427 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:47:20 +00:00
Chris Lattner
f949c1ad6c new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26426 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:46:56 +00:00
Chris Lattner
8f434ffa24 8 spaces -> tab. Reported by Wink Saville 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26425 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:12:58 +00:00
Chris Lattner
7adf72a5e4 evan's recent x86 isel improvements have fixed this, though not in the way 
originally envisioned :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26422 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 16:39:56 +00:00
Chris Lattner
bf751e2d6f Add a subtarget feature for the stfiwx instruction. I know the G5 has it, 
but I don't know what other PPC impls do.  If someone could update the proc
table, I would appreciate it :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26421 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 07:08:22 +00:00
Chris Lattner
c7d855ea2e new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26420 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:54:19 +00:00
Chris Lattner
35a9f5a241 Compile: 
unsigned foo4(unsigned short *P) { return *P & 255; }
unsigned foo5(short *P) { return *P & 255; }

to:

_foo4:
        lbz r3,1(r3)
        blr
_foo5:
        lbz r3,1(r3)
        blr

not:

_foo4:
        lhz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr
_foo5:
        lhz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26419 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:49:37 +00:00
Chris Lattner
f4c8575c27 remove implemented item 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26418 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:36:04 +00:00
Chris Lattner
15045b6973 Fold "and (LOAD P), 255" -> zextload. This allows us to compile: 
unsigned foo3(unsigned *P) { return *P & 255; }
as:
_foo3:
        lbz r3, 3(r3)
        blr

instead of:

_foo3:
        lwz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr

and:

unsigned short foo2(float a) { return a; }

as:
_foo2:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lhz r3, -2(r1)
        blr

instead of:

_foo2:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        rlwinm r3, r2, 0, 16, 31
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26417 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:35:35 +00:00
Chris Lattner
71d9ebcbc1 fold (sra (sra x, c1), c2) -> (sra x, c1+c2) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26416 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:23:04 +00:00
Chris Lattner
9794392781 Implement rem.ll:test[7-9] and PR712 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26415 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 05:49:21 +00:00
Chris Lattner
c9c85c4768 new testcases for PR712 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26414 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 05:48:56 +00:00
Chris Lattner
6c9951b0da Simplify some code now that the RHS of a rem can't be 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26413 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 05:40:55 +00:00
Chris Lattner
e7f2aa74c0 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26412 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 05:30:48 +00:00
Chris Lattner
19ccd5c757 Rearrange some code, fold "rem X, 0", implementing rem.ll:test6 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26411 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 05:30:45 +00:00
Chris Lattner
22873462c9 Add support for output memory constraints. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26410 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 23:45:39 +00:00
Jim Laskey
9a777a3a8e Qualify dwarf namespace inside llvm namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26409 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 22:37:23 +00:00
Nate Begeman
6e53ceb0d4 readme updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26405 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 22:08:36 +00:00
Jim Laskey
8a8e9756c8 Partial enabling of functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26404 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 20:37:42 +00:00
Chris Lattner
a34544d96c Don't print constant initializers, they may span lines now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26403 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 20:09:23 +00:00
Jim Laskey
bd76184e67 Supporting multiple compile units. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 17:27:12 +00:00
Jim Laskey
0d086af82b Re-orging file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26401 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 12:43:29 +00:00
Jim Laskey
38a409c7ae Pretty print large struct constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26400 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 10:33:53 +00:00
Jim Laskey
dae29989cf Removed dependency on how operands are printed (want multi-line.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 10:29:04 +00:00
Chris Lattner
74878f4f3a Use -emit-llvm -S to get .ll file output from llvm-gcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26397 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 05:39:00 +00:00
Chris Lattner
3e88a4d700 Merge two almost-identical pieces of code. 
Make this code more powerful by using ComputeMaskedBits instead of looking
for an AND operand.  This lets us fold this:

int %test23(int %a) {
        %tmp.1 = and int %a, 1
        %tmp.2 = seteq int %tmp.1, 0
        %tmp.3 = cast bool %tmp.2 to int  ;; xor tmp1, 1
        ret int %tmp.3
}

into: xor (and a, 1), 1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26396 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 02:38:23 +00:00
Chris Lattner
f76f5da19b new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26395 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 02:36:19 +00:00
Chris Lattner
26ab9a9218 Fold (A^B) == A -> B == 0 
and  (A-B) == A  ->  B == 0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26394 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 01:44:11 +00:00
Chris Lattner
e047eedc04 New testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26393 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 01:43:02 +00:00
Chris Lattner
a6bc5a4d21 Implement bit propagation through sub nodes, this (re)implements 
PowerPC/div-2.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26392 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 01:00:42 +00:00
Chris Lattner
71f5dfa8e9 Reenable this 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26391 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 01:00:12 +00:00
Chris Lattner
2d2536c9d7 remove some completed notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26390 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 00:39:31 +00:00
Chris Lattner
81cd35586f Check RHS simplification before LHS simplification to avoid infinitely looping 
on PowerPC/small-arguments.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26389 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 00:36:27 +00:00
Chris Lattner
5f0c658aa4 Just like we use the RHS of an AND to simplify the LHS, use the LHS to 
simplify the RHS.  This allows for the elimination of many thousands of
ands from multisource, and compiles CodeGen/PowerPC/and-elim.ll:test2
into this:

_test2:
        srwi r2, r3, 1
        xori r3, r2, 40961
        blr

instead of this:

_test2:
        rlwinm r2, r3, 31, 17, 31
        xori r2, r2, 40961
        rlwinm r3, r2, 0, 16, 31
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26388 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 00:22:28 +00:00
Chris Lattner
cfdbb7caa8 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26387 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-27 00:20:23 +00:00