Evan Cheng
aafc1412b1
Another entry.
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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.
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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.
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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
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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
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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
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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
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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,
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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
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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:
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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
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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:
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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)
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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
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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
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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
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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
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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
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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.
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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.
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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
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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.
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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.
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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.
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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.
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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.
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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.)
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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
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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.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Chris Lattner
ec665151b8
Add a bunch of missed cases. Perhaps the most significant of which is that
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assertzext produces zero bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26386 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 23:36:02 +00:00
Chris Lattner
02bd1b3e94
Fold (X|C1)^C2 -> X^(C1|C2) when possible. This implements
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InstCombine/or.ll:test23.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26385 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 19:57:54 +00:00
Chris Lattner
80e2065565
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26384 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 19:55:30 +00:00
Jim Laskey
c13a72c329
Reverting. Didn't realize some developers were embedding constants in their
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target assembler code gen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26383 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 10:16:05 +00:00
Evan Cheng
140a4c4868
ConstantPoolIndex is now the displacement portion of the address (rather
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than base).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26382 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 09:12:34 +00:00
Evan Cheng
38b7327ec0
Print ConstantPoolSDNode offset field.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26381 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 08:36:57 +00:00
Evan Cheng
a09bd8190c
Fixed ConstantPoolIndex operand asm print bug. This fixed 2005-07-17-INT-To-FP
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and 2005-05-12-Int64ToFP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26380 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-26 08:28:12 +00:00
Jim Laskey
a3f332bdc3
Format large struct constants for readability.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26379 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-25 12:27:03 +00:00
Evan Cheng
9394514ede
New test case: use lea for imul by some constants.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26378 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-25 10:16:10 +00:00
Evan Cheng
c6d80a4ecf
lea.ll is XFAIL until we implement convertToThreeAddress.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26377 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-25 10:15:22 +00:00
Evan Cheng
51a9ed9b41
* Cleaned up addressing mode matching code.
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* Cleaned up and tweaked LEA cost analysis code. Removed some hacks.
* Handle ADD $X, c to MOV32ri $X+c. These patterns cannot be autogen'd and
they need to be matched before LEA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26376 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-25 10:09:08 +00:00
Evan Cheng
53f280a30e
Updates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26375 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-25 10:04:07 +00:00