Devang Patel
5c4cd0d82e
Fix bug in updating dominance frontier after loop
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unswitch when frontier includes basic blocks that
are not inside loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42654 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 22:29:34 +00:00
Evan Cheng
b75ed322c4
INC64_32r -> LEA64_32r is better than INC64_32r -> LEA32r, but it still can
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cause performance degradation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42653 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 21:55:32 +00:00
Evan Cheng
559dc46d46
In 64-bit mode, avoid using leal with 32-bit 32-bit address size, e.g.
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leal 1(%ecx), %edi, which requires 67H prefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42647 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 20:34:26 +00:00
Dale Johannesen
161e897b0f
First round of ppc long double. call/return and
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basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42644 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 20:04:43 +00:00
Evan Cheng
b952d1f5be
Add support to convert more 64-bit instructions to 3-address instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42642 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 18:20:36 +00:00
Evan Cheng
3154cb67d1
ADC and SBB uses EFLAGS.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42640 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 17:59:57 +00:00
Dan Gohman
52c0253f04
Change a few more spaces to tabs in assembly output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42638 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 15:58:41 +00:00
Dan Gohman
4e8e831a4e
Change a space to a tab in the assembly output of a .globl directive
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for consistency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42637 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 15:54:58 +00:00
Dan Gohman
e14ea86744
Legalize support for MUL_LOHI and DIVREM.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42636 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 14:17:22 +00:00
Dan Gohman
2eb4ebd953
Fix a typo in a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42635 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 14:11:58 +00:00
Dan Gohman
ccd60799cd
Provide names for MUL_LOHI and DIVREM operators.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42634 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 14:11:04 +00:00
Evan Cheng
3f411c7627
Testing convertToThreeeAddress as X86 llcbeta.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42630 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 08:04:01 +00:00
Evan Cheng
d5cb5a462b
Chain producing nodes cannot be moved, not chain reading nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42627 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:42:35 +00:00
Evan Cheng
117c366219
Oops. Didn't mean to leave this in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42626 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:39:40 +00:00
Evan Cheng
f10c973797
If a node that defines a physical register that is expensive to copy. The
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scheduler will try a number of tricks in order to avoid generating the
copies. This may not be possible in case the node produces a chain value
that prevent movement. Try unfolding the load from the node before to allow
it to be moved / cloned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42625 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:39:18 +00:00
Evan Cheng
75b4e46b8a
Added storeRegToAddr, loadRegFromAddr, and unfoldMemoryOperand's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42624 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:34:55 +00:00
Evan Cheng
afa98bcf3d
Not needed any more.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42623 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:34:14 +00:00
Evan Cheng
e203ae9971
Forgot these.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42622 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:33:45 +00:00
Evan Cheng
66f0f64082
- Added a few target hooks to generate load / store instructions from / to any
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address (not just from / to frameindexes).
- Added target hooks to unfold load / store instructions / SDNodes into separate
load, data processing, store instructions / SDNodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42621 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:32:41 +00:00
Evan Cheng
39305cf553
Add a variant of getTargetNode() that takes a vector of MVT::ValueType.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42620 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:10:49 +00:00
Evan Cheng
daccea18ca
Silence a warning.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42619 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05 01:09:32 +00:00
Chris Lattner
87b77b9079
add a note.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42607 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-04 15:47:27 +00:00
Neil Booth
a30b0ee959
Add APFloat -> hexadecimal string conversion, as per %a and %A in C99.
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Useful for diagnostics and debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42598 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 22:26:02 +00:00
Owen Anderson
9cb7f49ee9
Completely merge the implementation details of DomTree and PostDomTree.
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Also, add a FIXME for a bug in PostDomTree calculation I noticed while writing this,
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42593 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 21:25:45 +00:00
Devang Patel
c1e2660c5d
Fix 80 col violation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42591 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 21:17:43 +00:00
Devang Patel
f476e8e7ce
Refactor code in a separate method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42590 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 21:16:08 +00:00
Chris Lattner
116c3219df
Add initial iterator support for folding set.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42589 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 21:12:09 +00:00
Chris Lattner
9a7288b0c6
Simplify implementation of the FoldingSet circular list, a necessary step
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to giving it iterators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42586 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 20:45:43 +00:00
Dan Gohman
cb406c2597
Use empty() member functions when that's what's being tested for instead
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of comparing begin() and end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42585 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 19:26:29 +00:00
Dan Gohman
2bb7d0647e
Fix a using namespace llvm; in a header file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42584 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 19:04:09 +00:00
Dale Johannesen
5a2174febf
Tone down an overzealous optimization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42582 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 17:45:27 +00:00
Chris Lattner
fce5cfe190
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42579 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 17:10:03 +00:00
Tanya Lattner
088b5913ef
Fix PR1719, by not marking llvm.global.annotations internal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42578 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 17:05:40 +00:00
Neil Booth
b7dea4cb36
Tweak RoundAwayFromZero the bit number below which is truncated, and make
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it const.
Preparation for APFloat -> hexadecimal string conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42576 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 15:16:41 +00:00
Chris Lattner
e1bb6ab7b0
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42573 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 06:10:59 +00:00
Chris Lattner
bd14f58b76
Fix PR1719, by not marking llvm.noinline internal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42565 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 03:59:15 +00:00
Chris Lattner
67a1af9709
Bill's example is still not enough to repro this, but it has other issues that
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seem significant as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42564 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 03:40:24 +00:00
Owen Anderson
471ab54df7
Factor some code from the DomTree and PostDomTree calculate methods up into
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each one's runOnFunction method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42563 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-03 03:20:17 +00:00
Bill Wendling
7687bd0b2b
Another micro-opt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42554 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 21:49:31 +00:00
Bill Wendling
2bb6d459e6
Another missed optimization with LICM.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42552 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 21:43:06 +00:00
Bill Wendling
892d392905
Small label changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42549 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 21:02:53 +00:00
Bill Wendling
6dbb1b59ae
Now with source code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42548 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 21:01:16 +00:00
Bill Wendling
8d1c8ce3d8
Now with LL code!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42547 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 20:54:32 +00:00
Bill Wendling
6aab4910cd
Another missed optimization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42546 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 20:42:59 +00:00
Bill Wendling
c720279ac7
Micro-optimization -- missed LICM opportunity.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42542 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 19:55:05 +00:00
Dale Johannesen
9ab7fb3ba4
Rewrite sqrt and powi to use anyfloat. By popular demand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-02 17:43:59 +00:00
Evan Cheng
7f3394f379
Refactor code to add load / store folded instructions -> register only
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instructions reverse map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42509 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-01 23:44:33 +00:00
Dale Johannesen
a7ac2bd407
Fix stride computations for long double arrays.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42508 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-01 23:08:35 +00:00
Dan Gohman
d57c3884af
Move the code that emits the .file directives so that it runs after the
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SourceFiles list is fully filled in so that it sees all of the files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42506 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-01 22:40:20 +00:00
Evan Cheng
450ff01faf
Remove simple scheduler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42499 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-01 20:44:07 +00:00