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5602 Commits

Author SHA1 Message Date
Devang Patel
79ceb4463e If IV is used in a int-to-float cast inside the loop then try to eliminate the cast opeation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54786 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 20:58:31 +00:00
Dan Gohman
7f8613e5b8 Improve support for vector casts in LLVM IR and CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54784 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 20:04:46 +00:00
Dan Gohman
a60832b018 Fix a bogus srem rule - a negative value srem'd by a power-of-2 
can have a non-negative result; for example, -16%16 is 0. Also,
clarify the related comments. This fixes PR2670.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54767 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 23:12:35 +00:00
Dan Gohman
6ab6422f25 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 21:51:37 +00:00
Dan Gohman
2edeb63ece Fix SCCP's handling of struct value loads and stores. SCCP doesn't 
track individual leaf values in such cases, so it needs to treat
struct values as normal values in this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 21:22:48 +00:00
Duncan Sands
81b06be055 Teach constant folding that an inttoptr of a 
ptrtoint can be turned into a bitcast if the
integer is at least as wide as a pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54752 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 20:20:35 +00:00
Devang Patel
d16aba22c9 Check sign to detect overflow before changing compare stride. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54710 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 02:05:14 +00:00
Dan Gohman
3837218ea0 Extend ScalarEvolution's executesAtLeastOnce logic to be able to 
continue past the first conditional branch when looking for a
relevant test. This helps it avoid using MAX expressions in
loop trip counts in more cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-12 20:17:31 +00:00
Chris Lattner
b8cd4d3d49 Implement support for simplifying vector comparisons by 0.0 and 1.0 like we 
do for scalars.  Patch contributed by Nicolas Capens

This also generalizes the previous xforms to work on long double, now that 
isExactlyValue works for long double.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54653 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-11 22:06:05 +00:00
Dan Gohman
00f19b6542 Improve the grep commands for this test to be tolerant of ABI 
differences, and to be more specific.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-11 20:10:41 +00:00
Dan Gohman
8cea8ff34c Take the FrameOffset into account when computing the alignment 
of stack objects. This fixes PR2656.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54646 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-11 18:27:03 +00:00
Gordon Henriksen
21491edbf4 [PR-2610] Adding Ocaml bindings for Switch::addCase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54571 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-09 01:55:52 +00:00
Dan Gohman
d9ced09299 Add an EXTRACTPSmr pattern to match the pattern that 
X86ISelLowering creates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54544 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 18:30:21 +00:00
Nick Lewycky
ffa45431c8 Testcase for r54520. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 07:00:26 +00:00
Evan Cheng
711b6dce24 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:56:16 +00:00
Nick Lewycky
d6227385fc Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54517 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:34:07 +00:00
Bruno Cardoso Lopes
65ad452536 Support added for ctlz intrinsic, test case added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:16:31 +00:00
Bruno Cardoso Lopes
ab243df91f [Last] Batch 7 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:12:42 +00:00
Bruno Cardoso Lopes
4230586091 Batch 6 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:11:30 +00:00
Bruno Cardoso Lopes
0b4e136c74 Batch 5 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:09:57 +00:00
Bruno Cardoso Lopes
29b4ff7c73 Batch 4 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:08:30 +00:00
Bruno Cardoso Lopes
ba3442fc24 Batch 3 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:05:51 +00:00
Bruno Cardoso Lopes
e5813b7aa8 Batch 2 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54507 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:03:25 +00:00
Bruno Cardoso Lopes
6d523c0fe3 Batch 1 of Mips CodeGen tests, more coming... 
I had a lot of simple local codegen tests and they are now ready to be placed
in test/CodeGen. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 03:58:34 +00:00
Dale Johannesen
ea98fe2cd2 Testcases for 54503. One derived from PR 2533, the 
other from Python.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54505 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 03:37:11 +00:00
Duncan Sands
c93346af8e Use correct compiler component names for objc 
and objc++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54474 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 17:59:54 +00:00
Duncan Sands
dbfccf64d9 Move tests of the ObjC++ front-end to their own 
directory: some people (guess who!) may build llvm-gcc
with support for objc but not with support for objc++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 17:48:08 +00:00
Matthijs Kooijman
1d63d92092 Add a basic test for the SRETPromotion pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54466 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 15:55:18 +00:00
Matthijs Kooijman
0d4ee1a7cd Move two tests from SRETPromotion to Inline, since they only call opt -inline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 15:36:46 +00:00
Anton Korobeynikov
feac94b18d Print section flags ok on platforms, which use '@' as comment string. Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 09:55:06 +00:00
Dan Gohman
e3d920699c Re-enable elimination of unnecessary SUBREG_TO_REG instructions in 
LowerSubregs, and fix an x86-64 isel bug that this exposed.

SUBREG_TO_REG for x86-64 implicit zero extension is only safe for
isel to generate when the source is known to always have zeros in
the high 32 bits. The EXTRACT_SUBREG instruction does not clear
the high 32 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54444 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 02:54:50 +00:00
Dan Gohman
865db4566e Add an extra example that shouldn't get an and instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54443 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 02:23:06 +00:00
Dan Gohman
8a1510d192 Re-introduce the 8-bit subreg zext-inreg patterns for x86-32, 
this time using MOV32to32_ and MOV16to16_. Thanks to Evan for
suggesting this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54418 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 18:27:21 +00:00
Dan Gohman
4ce9627e97 Fix a shufflevector instcombine that was emitting invalid masks indices 
when it meant to be emitting undef indices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54417 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 18:17:32 +00:00
Evan Cheng
d756f8820a PR2535, not PR2355. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54416 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 18:06:48 +00:00
Evan Cheng
f5e25f32c7 Fix PR2355: bug in ChangeCompareStride. When the loop termination compare is the only use of its iv stride, the stride can be eliminated by moving it to another stride. If the scale is negative, swap the predicate instead of using a inverse predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54415 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 18:04:43 +00:00
Chris Lattner
46bbad217b optimize a common idiom generated by clang for bitfield access, PR2638. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54408 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 07:35:52 +00:00
Chris Lattner
5af5f463e1 Zap sitofp/fptoui pairs. In all cases when the sign difference 
matters, the result is undefined anyway.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54396 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 05:13:06 +00:00
Nick Lewycky
b30591ec64 Reinstate this optimization, but without the miscompile. Thanks to Bill for 
tracking down that this was breaking llvm-gcc bootstrap on Linux.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54394 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 04:54:03 +00:00
Bill Wendling
5226698f67 Just grep for through the LL code instead of the ASM code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-06 00:10:32 +00:00
Bill Wendling
201bf25f83 Add default architecture. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54384 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 23:36:00 +00:00
Bill Wendling
0b101b0399 Testcase for PR2629. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54377 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 22:23:59 +00:00
Evan Cheng
e9d5035838 Fix PR2620: Fix X86cmppd selection code so it expects operands to be v2f64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54376 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 22:19:15 +00:00
Evan Cheng
e3b8a48d32 Fix PR2596: out of bound reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54375 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 21:51:46 +00:00
Bill Wendling
021507be82 Revert r53282. This was causing a miscompile on Linux. Also, the transformation 
looks bogus. Please see PR2629 for details on why this is breaking things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54372 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 21:23:45 +00:00
Owen Anderson
b6634e9e27 Update the remaining tests not to use -disable-correct-folding, and remove two 
that couldn't be updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 18:19:14 +00:00
Owen Anderson
551ddf718c One more -disable-correct-folding case removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54358 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 18:08:56 +00:00
Owen Anderson
2a1f07ea6a Remove another -disable-correct-folding use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54357 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 18:05:58 +00:00
Owen Anderson
d6db225800 Eliminate another use of -disable-correct-folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54356 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 18:03:01 +00:00
Owen Anderson
287b7b7ed7 This check is unnecessary, and getting rid of it removes a use of -disable-correct-folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54355 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 17:52:54 +00:00