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Author SHA1 Message Date
Chris Lattner
c607fa8665 new testcase. These functions shouldn't touch the stack if stfiwx use 
is enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26446 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 05:49:05 +00:00
Chris Lattner
8c13d0a573 Use a target-specific dag-combine to implement CodeGen/PowerPC/fp-int-fp.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26445 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:57:39 +00:00
Chris Lattner
257bedbeaf new testcase. There should be no accesses to the stack for these functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26444 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:56:33 +00:00
Chris Lattner
2466472a2b Add support for target-specific dag combines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26443 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:53:38 +00:00
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