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3027 Commits

Author SHA1 Message Date
Gabor Greif
cc52ed0c4f back out r98957, it broke http://smooshlab.apple.com:8010/builders/clang-x86_64-darwin10-fnt/builds/703 in the nightly test suite 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98958 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 13:50:02 +00:00
Gabor Greif
f4f10e3779 Recommit r80858 again (which has been backed out in r80871). 
This time I did a self-hosted bootstrap on Linux x86-64,
with no problems. Let's see how darwin 64-bit self-hosting
goes. At the first sign of failure I'll back this out.

Maybe the valgrind bots give me a hint of what may be wrong
(it at all).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98957 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 11:55:53 +00:00
Anton Korobeynikov
faa75f6e47 FP16 constfolding 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 00:36:35 +00:00
Dan Gohman
40b037ef61 Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 19:34:33 +00:00
Dan Gohman
9553188fcc Define placement new wrappers for BumpPtrAllocator and 
RecyclingAllocator to allow client code to be simpler, and
simplify several clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:49:47 +00:00
Dan Gohman
c93b4cff89 Add the ability to "intern" FoldingSetNodeID data into a 
BumpPtrAllocator-allocated region to allow it to be stored in a more
compact form and to avoid the need for a non-trivial destructor call.

Use this new mechanism in ScalarEvolution instead of
FastFoldingSetNode to avoid leaking memory in the case where a
FoldingSetNodeID uses heap storage, and to reduce overall memory
usage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98829 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 16:16:38 +00:00
Dan Gohman
f9e64729af Reapply r98755 with a thinko which miscompiled gengtype fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 01:17:13 +00:00
Dan Gohman
ebf78f18df Revert 98755, which may be causing trouble. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 19:54:53 +00:00
Dan Gohman
0afc29c3e6 Change SCEVNAryExpr's operand array from a SmallVector to a plain 
pointer and length, and allocate the arrays in ScalarEvolution's
BumpPtrAllocator, so that they get released when their owning
SCEV gets released. SCEVs are immutable, so they don't need to worry
about operand array resizing. This fixes a memory leak reported
in PR6637.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 18:51:01 +00:00
Duncan Sands
87cd7ed408 Treat copysignl like the other copysign functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 14:01:44 +00:00
Evan Cheng
0af20d847a Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 02:20:29 +00:00
Devang Patel
afc33fa6d5 Do not ignore arg_size() impact while counting bb instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 01:05:02 +00:00
Devang Patel
f96769bed2 Remove extra parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98403 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 00:45:31 +00:00
Devang Patel
cbd056074c Do not overestimate code size reduction in presense of debug info. 
Use CodeMetrics.analyzeBasicBlock() to estimate BB size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 00:10:20 +00:00
Duncan Sands
890edda7c2 When constant folding GEP of GEP, do not crash if an index of 
the inner GEP is not a ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 17:55:20 +00:00
Dan Gohman
bbf81d8811 Add a DominatorTree argument to isLCSSA so that it doesn't have to 
compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:38:49 +00:00
Dan Gohman
0891d752a6 Constant-fold GEP-of-GEP into a single GEP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:31:51 +00:00
Dan Gohman
4ecbca558f Avoid analyzing instructions in blocks not reachable from the entry block. 
They are lots of trouble, and they don't matter. This fixes PR6559.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:46:50 +00:00
Jakob Stoklund Olesen
f7477470d3 Try to keep the cached inliner costs around for a bit longer for big functions. 
The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.

This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.

This is a more conservative version of r98089 that doesn't break the clang
test CodeGenCXX/temp-order.cpp. That test relies on rather extreme inlining
for constant folding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:02:17 +00:00
Jakob Stoklund Olesen
b5a158bab8 Revert r98089, it was breaking a clang test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 22:43:37 +00:00
Jakob Stoklund Olesen
9e5d87d568 Try to keep the cached inliner costs around for a bit longer for big functions. 
The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.

This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 22:17:11 +00:00
Jakob Stoklund Olesen
74a684222d Permit inlining into huge functions. This heuristic is ancient, and inlining 
can sometimes help reduce function size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98088 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 22:17:06 +00:00
Dan Gohman
cbac7f1630 Make isLCSSA ignore uses in blocks not reachable from the entry block, 
as LCSSA no longer transforms such uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 01:53:33 +00:00
Dale Johannesen
768069ee7a Another place where debug info affected codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 01:08:11 +00:00
Devang Patel
4b945500a5 Start using DIFile. See updated SourceLevelDebugging.html for more information. 
This patch updates LLVMDebugVersion to 8.
Debug info descriptors encoded using LLVMDebugVersion 7 is supported.

Corresponding llvmgcc and clang FE commits are required.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:44:10 +00:00
Devang Patel
7aa8189706 Introduce DIFile. This will be used to represent header files and source file(s) in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:27:22 +00:00
Devang Patel
77bf295dbb Derive DIType from DIScope. This simplifies getContext() where for members the context is a type. This also eliminates need of CompileUnitMaps maintained by dwarf writer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:02:50 +00:00
Devang Patel
f17f5ebbdc Remove DbgNode checks in constructor. Debug descriptors are intended to be light weight wrappers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 21:32:10 +00:00
Devang Patel
3c91b05d2b Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating checks in Descriptor constructors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 20:52:55 +00:00
Devang Patel
0ef3fa6aab Revert r97947. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97963 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 19:20:38 +00:00
Devang Patel
d8cc5d5256 Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 18:25:48 +00:00
Dale Johannesen
621e06f9df Fix another case where LSR was affected by debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97865 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 02:45:26 +00:00
Dale Johannesen
8d50ea7603 Fix a case where LSR is sensitive to debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:12:40 +00:00
Eric Christopher
25ec483cfc Move GetStringLength and helper from SimplifyLibCalls to ValueTracking. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 06:58:57 +00:00
Chris Lattner
c8e14b3d37 fix incorrect folding of icmp with undef, PR6481. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 19:46:03 +00:00
Dan Gohman
087bd1e3a1 Make SCEVExpander and LSR more aggressive about hoisting expressions out 
of loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 05:29:13 +00:00
Dan Gohman
ed78dbafd0 Revert r97580; that's not the right way to fix this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-03 04:36:42 +00:00
Dan Gohman
c4f7ec85ec When expanding an expression such as (A + B + C + D), sort the operands 
by loop depth and emit loop-invariant subexpressions outside of loops.
This speeds up MultiSource/Applications/viterbi and others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 19:32:21 +00:00
Dan Gohman
069d6f3396 Non-affine post-inc SCEV expansions have more code which must be 
emitted after the increment. Make sure the insert position
reflects this. This fixes PR6453.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:59:21 +00:00
Ted Kremenek
1b6c4bd0e9 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97488 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:42:47 +00:00
Chris Lattner
a9cf19670f remove anders-aa from mainline, it isn't maintained and is 
tantalyzing enough that people keep trying to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:24:17 +00:00
Dan Gohman
7cbf5a803e Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:56:04 +00:00
Dan Gohman
3f46a3abee Spelling fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:49:51 +00:00
Dan Gohman
52fd7da295 Fix a missing newline in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97449 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:42:55 +00:00
Dan Gohman
8566963713 Make LoopSimplify change conditional branches in loop exiting blocks 
which branch on undef to branch on a boolean constant for the edge
exiting the loop. This helps ScalarEvolution compute trip counts for
loops.

Teach ScalarEvolution to recognize single-value PHIs, when safe, and
ForgetSymbolicName to forget such single-value PHI nodes as apprpriate
in ForgetSymbolicName.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 06:57:05 +00:00
Dan Gohman
e177c9a9bc ConstantFoldInstOperands can theoretically return null if it 
didn't fold anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 19:31:47 +00:00
Dan Gohman
8f767d987f Simplify this code; these casts aren't necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97048 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 19:31:06 +00:00
Dan Gohman
f6d009fb6f Convert a few more backedge-taken count functions to use BackedgeTakenInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 17:31:30 +00:00
Daniel Dunbar
6d8f2ca646 Reapply r97010, the speculative revert failed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 08:48:04 +00:00
Daniel Dunbar
8c0c99016b Speculatively revert r97010, "Add an argument to PHITranslateValue to specify 
the DominatorTree. ...", in hopes of restoring poor old PPC bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 06:55:22 +00:00