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5589 Commits

Author SHA1 Message Date
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
Owen Anderson
3888aa0b7d Remove the need for -disable-correct-folding from this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 17:49:52 +00:00
Dan Gohman
c3be0fd8c3 Fix the AsmWriter to not print extra spaces after parameter attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 15:51:44 +00:00
Evan Cheng
068b4ff553 Fix PR2568: Fix bug that cause redudant kill marker after its live interval has been extended due to coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 07:10:38 +00:00
Owen Anderson
2b85dc3544 Update these tests to work by disabling the new correct CFG generation. This flag should ONLY be used to for tests like these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54334 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:55:29 +00:00
Eli Friedman
b42a626122 PR2621: Improvements to the SCEV AddRec binomial expansion. This 
version uses a new algorithm for evaluating the binomial coefficients 
which is significantly more efficient for AddRecs of more than 2 terms 
(see the comments in the code for details on how the algorithm works).  
It also fixes some bugs: it removes the arbitrary length restriction for 
AddRecs, it fixes the silent generation of incorrect code for AddRecs 
which require a wide calculation width, and it fixes an issue where we 
were incorrectly truncating the iteration count too far when evaluating 
an AddRec expression narrower than the induction variable.

There are still a few related issues I know of: I think there's 
still an issue with the SCEVExpander expansion of AddRec in terms of
the width of the induction variable used.  The hack to avoid generating 
too-wide integers shouldn't be necessary; instead, the callers should be 
considering the cost of the expansion before expanding it (in addition 
to not expanding too-wide integers, we might not want to expand 
expressions that are really expensive, especially when optimizing for 
size; calculating an length-17 32-bit AddRec currently generates about 250 
instructions of straight-line code on X86).  Also, for long 32-bit 
AddRecs on X86, CodeGen really sucks at scheduling the code.  I'm planning on 
filing follow-up PRs for these issues.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54332 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:49:06 +00:00
Dan Gohman
6f498b0a8e Fix SDISel lowering of PHI nodes to use ComputeValueVTs. 
This allows it to work correctly on aggregate values.
This fixes PR2623.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54331 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:42:46 +00:00
Dan Gohman
1f565bcff6 Fix SDISel lowering of zeroinitializer and undef to use ComputeValueVTs. 
This allows it to work correctly on nested aggregate values.
This fixes PR2625.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54330 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:30:41 +00:00
Dale Johannesen
3b4c45203e Make sse2 explicit, for non-x86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54251 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-31 20:16:33 +00:00
Dan Gohman
75dcf08243 Improve dagcombining for sext-loads and sext-in-reg nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-31 00:50:31 +00:00
Dan Gohman
90d33ee746 Don't look for leaf values to store when lowering stores of 
empty structs. This fixes PR2612.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-30 18:36:51 +00:00
Dan Gohman
1053502486 I missed this file in r54223. movzbl is now used instead 
of movzbw here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54224 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-30 18:23:34 +00:00
Dan Gohman
11ba3b1af6 Reapply r54147 with a constraint to only use the 8-bit 
subreg form on x86-64, to avoid the problem with x86-32
having GPRs that don't have 8-bit subregs.

Also, change several 16-bit instructions to use 
equivalent 32-bit instructions. These have a smaller
encoding and avoid partial-register updates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-30 18:09:17 +00:00
Mon P Wang
e3b3a7241c Added support for overloading intrinsics (atomics) based on pointers 
to different address spaces.  This alters the naming scheme for those
intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54195 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-30 04:36:53 +00:00