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c7baf687ba
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18056 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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
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
Chris Lattner
86c9c341e9 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35334 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:10:46 +00:00
Zhou Sheng
0fc5095d0e 1. Avoid unnecessary APInt construction if possible. 
2. Use isStrictlyPositive() instead of isPositive() in two places where
   they need APInt value > 0 not only >=0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:01:29 +00:00
Chris Lattner
5df99b376f Implement support for vector operands to inline asm, implementing 
CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:00:54 +00:00
Chris Lattner
013e051aac add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 04:46:28 +00:00
Chris Lattner
b6ead97b7e Fix CodeGen/PowerPC/2007-03-24-cntlzd.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35329 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 04:44:03 +00:00
Chris Lattner
c13dd1cf4c implement initial support for the silly X constraint. Testcase here: CodeGen/X86/2007-03-24-InlineAsmXConstraint.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35327 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 04:35:41 +00:00
Reid Spencer
2f5491791b Make more uses of getHighBitsSet and get rid of some pointless & of an 
APInt with its type mask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35325 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 04:26:16 +00:00
Chris Lattner
065421f99f Implement CodeGen/X86/2007-03-24-InlineAsmMultiRegConstraint.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35324 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:18:14 +00:00
Chris Lattner
4234f57fa0 switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:14:49 +00:00
Reid Spencer
2b81207b4b More APIntification: 
* Convert the last use of a uint64_t that should have been an APInt.
* Change ComputeMaskedBits to have a const reference argument for the Mask
  so that recursions don't cause unneeded temporaries. This causes temps
  to be needed in other places (where the mask has to change) but this
  change optimizes for the recursion which is more frequent.
* Remove two instances of &ing a Mask with getAllOnesValue. Its not
  needed any more because APInt is accurate in its bit computations.
* Start using the getLowBitsSet and getHighBits set methods on APInt
  instead of shifting. This makes it more clear in the code what is
  going on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:03:12 +00:00
Chris Lattner
1439352ece Allow the b/h/w/k constraints to be applied to values that have multiple alternatives, and end up not being registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:01:03 +00:00
Chris Lattner
188b9fe834 enforce the proper range for the i386 N constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 01:57:35 +00:00
Chris Lattner
7cd5e07f3d Fix test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 01:44:57 +00:00
Chris Lattner
42593e69e2 fix a regression on vector or instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 23:56:43 +00:00
Chris Lattner
82dcb4fe23 don't rely on ADL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:37:03 +00:00
Chris Lattner
0d3988f408 add a valuetype for v1i64, which is needed by mmx. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:36:26 +00:00