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Author SHA1 Message Date
Bill Wendling
ccc44add81 Fix so that pandn is emitted instead of an xor/and combo. Add integer 
comparison operators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35385 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 20:22:40 +00:00
Bill Wendling
b94827769a Add support for integer comparison builtins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 20:21:31 +00:00
Evan Cheng
c7baf687ba Unbreaks non-debug builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 16:44:48 +00:00
Lauro Ramos Venancio
1baa1971a6 "The C standards do say that "char" may either be a "signed char" or "unsigned 
char" and it is up to the compilers implementation or the platform which is
followed."
http://www.arm.linux.org.uk/docs/faqs/signedchar.php


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35382 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 16:33:08 +00:00
Lauro Ramos Venancio
b8a93a45f8 bugfix: sometimes the spiller puts a load between the "mov lr, pc" and "bx" of a CALL_NOLINK. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35381 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 16:19:21 +00:00
Anton Korobeynikov
dd43321079 Remove dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 12:05:48 +00:00
Anton Korobeynikov
b17b08d1f2 Split big monster into small helpers. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35379 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 11:29:11 +00:00
Reid Spencer
0b57a76bc8 For PR1276: 
Allow doxygen documentation to be rebuilt manually with "make regendoc"
separately from "make install".

Patch by Scott Michel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35378 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 06:06:15 +00:00
Reid Spencer
af4af3ae59 For PR601: 
Add a little flesh to the document skeleton.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35377 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 02:49:31 +00:00
Evan Cheng
d0083bc5ec SDISel does not preserve all, it changes CFG and other info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35376 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 00:53:36 +00:00
Evan Cheng
018d6e1537 Don't call getOperandConstraint() if operand index is greater than 
TID->numOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 00:48:28 +00:00
Devang Patel
40d2cd13a5 Spell check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35374 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 00:16:08 +00:00
Reid Spencer
6eb0d99f5f Implement some minor review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:58:26 +00:00
Reid Spencer
fecaf1a2b6 Another test case for PR1271 where bad shift masks were generated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:48:52 +00:00
Reid Spencer
68d27cf84e For PR1271: 
Fix another incorrectly converted shift mask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:45:51 +00:00
Devang Patel
d64d3a1d28 Reduce malloc/free traffic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35370 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:19:29 +00:00
Devang Patel
b9dbc4decc It is not possible to determie dominance between two PHI nodes 
based on their ordering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35369 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:18:28 +00:00
Devang Patel
9be98dd9c0 Use std::vector<DFCalculateWorkObject> instead of 
std::vector<DFCalculateWorkObject *> to reduce malloc/free traffic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35368 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 23:17:19 +00:00
Evan Cheng
f589ef25cc Test case for PR1266. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35367 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:58:35 +00:00
Evan Cheng
f6fa5ee5c2 findRegisterUseOperand() changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35366 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:41:48 +00:00
Evan Cheng
ad7ccf34b5 Fix for PR1266. Don't mark a two address operand IsKill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:40:42 +00:00
Reid Spencer
497b0b0a45 For PR1277: 
Implement error handling for bytecode parsing.

Patch by Scott Michel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35364 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:38:01 +00:00
Evan Cheng
32eb1f1ca4 Change findRegisterUseOperand() to return operand index instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:37:45 +00:00
Dale Johannesen
c6b9ef80a8 Fix reversed logic in getRegsUsed. Rename RegStates to RegsAvailable to 
hopefully forestall similar errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:23:54 +00:00
Chris Lattner
0e5444bb20 eliminate use of std::set 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35361 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 20:40:50 +00:00
Reid Spencer
4ada00d166 Add a comment to explain a folding transform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35360 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 20:09:02 +00:00
Reid Spencer
21e289b5c2 Fix this test case to match output after a bug was fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 18:04:38 +00:00
Reid Spencer
a9b8101333 Get better debug output by having modified instructions print both the 
original and new instruction. A slight performance hit with ostringstream
but it is only for debug.
Also, clean up an uninitialized variable warning noticed in a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 17:44:01 +00:00
Reid Spencer
d5e30f0a01 Get the number of bits to set in a mask correct for a shl/lshr transform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35357 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 17:18:58 +00:00
Duncan Sands
dce8d9cf99 Fix testsuite hang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35355 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 10:59:13 +00:00
Reid Spencer
d9aac12d3d For PR601: 
Initial skeleton for pass documentation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 09:32:31 +00:00
Bill Wendling
ab5b49d92e Promote to v1i64 type... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 08:03:33 +00:00
Bill Wendling
aadcea33d1 Updated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 07:55:58 +00:00
Bill Wendling
eebc8a1bc5 Add support for the v1i64 type. This makes better code for this: 
#include <mmintrin.h>

extern __m64 C;

void baz(__v2si *A, __v2si *B)
{
  *A = C;
  _mm_empty();
}

We get this:

_baz:
        call "L1$pb"
"L1$pb":
        popl %eax
        movl L_C$non_lazy_ptr-"L1$pb"(%eax), %eax
        movq (%eax), %mm0
        movl 4(%esp), %eax
        movq %mm0, (%eax)
        emms
        ret

GCC gives us this:

_baz:
        pushl   %ebx
        call    L3
"L00000000001$pb":
L3:
        popl    %ebx
        subl    $8, %esp
        movl    L_C$non_lazy_ptr-"L00000000001$pb"(%ebx), %eax
        movl    (%eax), %edx
        movl    4(%eax), %ecx
        movl    16(%esp), %eax
        movl    %edx, (%eax)
        movl    %ecx, 4(%eax)
        emms
        addl    $8, %esp
        popl    %ebx
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 07:53:08 +00:00
Evan Cheng
15213b77cf SIGN_EXTEND_INREG requires one extra operand, a ValueType node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 07:12:51 +00:00
Reid Spencer
c3a53f2720 Test case for PR1271 involving construction of a bad mask to replace a 
shift instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35349 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 05:32:16 +00:00
Reid Spencer
1be1284fe6 For PR1271: 
Fix SingleSource/Regression/C/2003-05-21-UnionBitFields.c by changing a
getHighBitsSet call to getLowBitsSet call that was incorrectly converted
from the original lshr constant expression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 05:25:00 +00:00
Dale Johannesen
da91f49751 Look through bitcast when finding IVs. (Chris' patch really.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 03:01:27 +00:00
Chris Lattner
5eeb4b5bf6 Start value symbol tables out small (space for 16 elts), not huge (space for 512). 
This is particularly useful for the JIT, which lazily deserializes functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 01:45:35 +00:00
Anton Korobeynikov
b3b29dfe7a Add "feature" testcase for new switch lowering code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 22:01:14 +00:00
Reid Spencer
f6bef488ee Compute getLowBitsSet correctly. Using the complement of a 64-bit value 
and shifting down without regard for the bitwidth of the APInt can lead
to incorrect initialization values. Instead, check for the word size case
(to avoid undef results from shift) and then do (1 << loBitsSet) - 1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35344 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 21:58:42 +00:00
Reid Spencer
9031aca96b Add a test case for PR1271 (necessary, but not sufficient). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35343 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 21:30:41 +00:00
Reid Spencer
55702aaa52 For PR1271: 
Remove a use of getLowBitsSet that caused the mask used for replacement of
shl/lshr pairs with an AND instruction to be computed incorrectly. Its not
clear exactly why this is the case. This solves the disappearing shifts
problem, but it doesn't fix Regression/C/2003-05-21-UnionBitFields. It
seems there is more going on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 21:11:44 +00:00
Chris Lattner
db9654e284 implement Transforms/InstCombine/cast2.ll:test3 and PR1263 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 20:43:09 +00:00
Chris Lattner
7d4d6b8615 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35340 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 20:42:40 +00:00
Reid Spencer
2149a9dfec Some cleanup from review: 
* Don't assume shift amounts are <= 64 bits
* Avoid creating an extra APInt in SubOne and AddOne by using -- and ++
* Add another use of getLowBitsSet
* Convert a series of if statements to a switch


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35339 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 19:55:33 +00:00
Anton Korobeynikov
3a84b9baf6 First step of switch lowering refactoring: perform worklist-driven 
strategy, emit JT's where possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 15:07:15 +00:00
Anton Korobeynikov
4be4e51a50 Fix authorship 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35337 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 13:44:26 +00:00
Chris Lattner
2ef14d9f7c fold constantexprs more aggressively, fixing PR1265 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35336 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:47:04 +00:00
Reid Spencer
7177c3a60a Refactor several ConstantExpr::getXXX calls with ConstantInt arguments 
using the facilities of APInt. While this duplicates a tiny fraction of
the constant folding code, it also makes the code easier to read and
avoids large ConstantExpr overhead for simple, known computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:33:51 +00:00