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Author SHA1 Message Date
Bill Wendling
1500c4f49a Some code cleanup. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 21:03:02 +00:00
Victor Hernandez
ff7707e983 Avoid creating a metadata slot for all metadata that contains an instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90581 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 20:07:10 +00:00
Evan Cheng
11572babb1 Handle recursive PHI's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 19:09:10 +00:00
Victor Hernandez
954c80e99d Fix crasher when N->getElement(n) is NULL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90572 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 18:29:23 +00:00
Evan Cheng
79fc6f44b6 Add a pre-regalloc tail duplication pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90567 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 09:42:45 +00:00
Evan Cheng
9d0f8bba17 Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90566 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 09:23:37 +00:00
Duncan Sands
36236b76a4 Add note about a subtle bug in this code. Does not effect the main 
architectures that LLVM targets, because they don't use this code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90564 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 08:42:17 +00:00
Daniel Dunbar
83563b24ce Fix typo and add missing include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 08:17:07 +00:00
Andreas Neustifter
1f6ae81725 Added debug output for inherited passes that are invalidated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 06:58:24 +00:00
Mikhail Glushenkov
fa8182e335 Forward -m32/-m64 to the linker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90548 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 06:38:45 +00:00
Mikhail Glushenkov
3ab4883053 Support -march/-mtune/-mcpu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 06:38:28 +00:00
Chris Lattner
44a7a380aa Fix PR5551 by not ignoring the top level constantexpr when 
folding a load from constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 06:29:29 +00:00
Chris Lattner
bbf9a5845a add to cmake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 04:15:36 +00:00
Chris Lattner
e4968a4b9d Small and carefully crafted testcase showing a miscompilation by GVN 
that I'm working on.  This is manifesting as a miscompile of 255.vortex
on some targets.  No check lines yet because it fails.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 02:12:12 +00:00
Chris Lattner
210e45af3a add the start of a class used to handle phi translation in memdep and 
gvn (this is just a skeleton so far).  This will ultimately be used
to fix a nasty miscompilation with GVN.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 02:10:16 +00:00
Mike Stump
9b195eaefd Create yet another helper for Invoke. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90514 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:53:15 +00:00
Victor Hernandez
97e2450de2 Teach AsmWriter to write inline (not via a global metadata slot) metadata that contains an instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:35:02 +00:00
Bob Wilson
eb35699e64 Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:33:04 +00:00
Mike Stump
b39a407576 Add some helpers for Invoke to mirror CreateCall helpers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:26:26 +00:00
Chris Lattner
45305d4ff6 add an assert to make it really clear what this is doing. Return singularval as 
a compile time perf optimization to avoid a load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90507 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:03:32 +00:00
Jakob Stoklund Olesen
6b74e505be Also attempt trivial coalescing for live intervals that end in a copy. 
The coalescer is supposed to clean these up, but when setting up parameters
for a function call, there may be copies to physregs. If the defining
instruction has been LICM'ed far away, the coalescer won't touch it.

The register allocation hint does not always work - when the register
allocator is backtracking, it clears the hints.

This patch takes care of a few more cases that r90163 missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90502 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 00:16:04 +00:00
Evan Cheng
2e65c29ac6 - If the reaching definition is an undef and the use is a PHI, add the implicit_def to the end of the source block. 
- When reaching value is replaced with another, update the cache as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90501 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 00:09:05 +00:00
Devang Patel
b3235d22e9 Insert composite type DIE into the map before processing type fields. This allows fields to find their context DIE from the map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 23:46:57 +00:00
Victor Hernandez
1971556cc2 Add ParseInlineMetadata() which can parses metadata that refers to an instruction. Extend ParseParameterList() to use this new function so that calls to llvm.dbg.declare can pass inline metadata 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90497 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 23:40:58 +00:00
Jim Grosbach
4dc4a61c0c remove out of date FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:55:01 +00:00
Evan Cheng
01306cad01 Handle undef values properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:51:55 +00:00
Evan Cheng
9aed9396a6 Watch out for PHI instruction with no source operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:50:58 +00:00
Bob Wilson
4a8ee23a81 Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:47:07 +00:00
Duncan Sands
9993b88f06 Fix ExpandShiftWithUnknownAmountBit, which was completely bogus. 
Pointed out by Javier Martinez (who also provided a patch).  Since
this logic is not used on (for example) x86, I guess nobody noticed.
Tested by generating SHL, SRL, SRA on various choices of i64 for all
possible shift amounts, and comparing with gcc.  Since I did this on
x86-32, I had to force the use of ExpandShiftWithUnknownAmountBit.
What I'm saying here is that I don't have a testcase I can add to the
repository.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:37:32 +00:00
Jakob Stoklund Olesen
f4811a9694 Clean up some loop logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90481 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 20:49:10 +00:00
Devang Patel
5d11eb0ed5 Add support to emit debug info for virtual functions and virtual base classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 19:11:07 +00:00
Dan Gohman
018402d30c Print a newline after the Args: line so that unrelated errs() output doesn't 
end up on the same line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90473 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 19:03:18 +00:00
Benjamin Kramer
88a91b579b Fix MSVC build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 13:23:03 +00:00
Andreas Neustifter
8c30abec6d Convert ProfileVerifier to template so it can be used for different types of ProfileInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 12:55:57 +00:00
Andreas Neustifter
1640f7e033 Do not create negative edge weights in ProfileEstimator. 
Use integer values for weights to prevent rounding errors.
Make ProfileEstimator more robust in general CFGs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 12:41:14 +00:00
Daniel Dunbar
a6d5e40e25 Add an implementation of the delta debugging algorithm. 
- This is a pretty slow / memory intensive implementation, and I will likely
   change it to an iterative model, but it works.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90447 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 11:12:42 +00:00
Andreas Neustifter
44299c9507 Use ProfileInfo-API in ProfileInfo Loader and do more assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90446 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 11:00:37 +00:00
Andreas Neustifter
e2baf6b455 Converted ProfileInfo to template, added more API for ProfileInfo-preserving. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 09:30:12 +00:00
Evan Cheng
111e7629cc Teach tail duplication to update SSA form. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90432 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 08:43:53 +00:00
Chris Lattner
89742c2c3f expand note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 07:43:46 +00:00
Chris Lattner
053321731c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 07:41:54 +00:00
Nate Begeman
93e0ed31c5 Don't pull vector sext through both hands of a logical operation, since doing so prevents the fusion of vector sext and setcc into vsetcc. 
Add a testcase for the above transformation.
Fix a bogus use of APInt noticed while tracking this down.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 07:11:29 +00:00
Chris Lattner
56856b1f46 fix a build problem with VC++, PR5664, patch by Alp Toker! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90419 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 06:58:32 +00:00
Bob Wilson
324f4f1633 Recognize canonical forms of vector shuffles where the same vector is used for 
both source operands.  In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand.  Radar 7434842.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 06:40:55 +00:00
Jakob Stoklund Olesen
9f0d4e631d Don't call getValueType() on a null SDValue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90415 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 05:15:35 +00:00
Owen Anderson
c9f2027adb Fix this crasher, and add a FIXME for a missed optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90408 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 03:43:29 +00:00
Evan Cheng
229694f0ee Fill out codegen SSA updater. It's not yet tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90395 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 02:31:43 +00:00
Bill Wendling
cb06403145 Revert r90371. It was causing build failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:54:07 +00:00
Jakob Stoklund Olesen
15d75d9f11 Don't hang on to pointers or references after vector::push_back. 
The MO reference to a MachineOperand can be invalidated by
MachineInstr::addOperand. Don't even use it for debugging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:49:56 +00:00
Chris Lattner
fd82af0f95 add a failing testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:46:18 +00:00