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Author SHA1 Message Date
Evan Cheng
2baf4075de Forgot this. 
llvm-svn: 81850
 2009-09-15 07:05:12 +00:00
Evan Cheng
c6aba09119 Another try at early partial coalescing. Identity phi source copies (their sources are defined by phi join def) are coalesced. And the phi join copy is backward copy propagated into the other copies. 
Still miscompiling some tests. :-(

llvm-svn: 81849
 2009-09-15 06:45:16 +00:00
Chris Lattner
37129ec8fc convert to filecheck 
llvm-svn: 81848
 2009-09-15 06:34:29 +00:00
Nick Lewycky
554eac4066 Forbid arrays of function-type and structures with function-typed fields. 
While I'm there, change code that does:
  SomeTy == Type::getFooType(Context)
into:
  SomeTy->getTypeID() == FooTyID
to decrease the amount of useless type creation which may involve locking, etc.

llvm-svn: 81846
 2009-09-15 06:28:26 +00:00
Chris Lattner
cf3281f7d0 fix PR4963: folding insertvalue would sometimes turn a packed struct into 
an unpacked one.

llvm-svn: 81845
 2009-09-15 06:28:12 +00:00
Chris Lattner
d219c7b6ee add a new CallGraphNode::replaceCallEdge method and use it from 
argpromote to avoid invalidating an iterator.  This fixes PR4977.
All clang tests now pass with expensive checking (on my system 
at least).

llvm-svn: 81843
 2009-09-15 05:40:35 +00:00
Chris Lattner
4dd9afd1be add newline to debug dump 
llvm-svn: 81840
 2009-09-15 05:14:57 +00:00
Chris Lattner
50438771c0 make -debug-pass=Executions show information about what call graph nodes 
are in the SCC for each execution of a CGSCC pass.

llvm-svn: 81838
 2009-09-15 05:03:04 +00:00
Chris Lattner
d7ba993f2e add some missing quotes in debug output 
llvm-svn: 81836
 2009-09-15 04:45:26 +00:00
Chris Lattner
f02eb61c69 switch scciterator to use DenseMap instead of std::map 
llvm-svn: 81834
 2009-09-15 04:37:49 +00:00
Chris Lattner
60d95bf620 this is failing on linux hosts, force a triple. 
llvm-svn: 81833
 2009-09-15 04:27:29 +00:00
Ted Kremenek
477a21a996 Remove invalid add_dependencies line to unbreak the CMake build. 
llvm-svn: 81827
 2009-09-15 04:06:36 +00:00
Mikhail Glushenkov
3b1f94a1fc Get rid of GetProcessId in Win32/Program.inc. 
GetProcessId was introduced only in XP. As a bonus, this change makes Program
objects copyable, since Program is now basically a PID.

llvm-svn: 81826
 2009-09-15 03:39:45 +00:00
Chris Lattner
597e46632d merge one more in. 
llvm-svn: 81824
 2009-09-15 02:27:23 +00:00
Chris Lattner
690af119fc merge some more cmov tests into cmov.ll 
llvm-svn: 81823
 2009-09-15 02:25:21 +00:00
Chris Lattner
d65ec857d1 merge two cmov tests into one. 
llvm-svn: 81822
 2009-09-15 02:22:47 +00:00
Dan Gohman
41a3b8fba9 Don't pull a load through a callseq_start if the load's chain 
has multiple uses, as one of the other uses may be on a path
to a different node above the callseq_start, because that
leads to a cyclic graph. This problem is exposed when
-combiner-global-alias-analysis is used. This fixes PR4880.

llvm-svn: 81821
 2009-09-15 01:22:01 +00:00
Nate Begeman
ebc8c4a3f1 Remove incorrect CSE code from r81813. 
llvm-svn: 81819
 2009-09-15 00:38:09 +00:00
Sean Callanan
f6e983b998 Modified the Intel instruction tables to include 
versions of CALL and JMP with segmented addresses
provided in-line, as pairs of immediates.

llvm-svn: 81818
 2009-09-15 00:35:17 +00:00
Kevin Enderby
da3290e68c Added the first bits of the ARM target assembler to llvm-mc. For now it only 
parses the .word directive as 4 bytes and ARMAsmParser::ParseInstruction will
give an error is called.  Broke out the test of the .word directive into two
different test cases, one for x86 and one for arm.

llvm-svn: 81817
 2009-09-15 00:27:25 +00:00
Nate Begeman
729869a398 Substantially speed up combiner-aa in the following ways: 
1. Switch from an std::set to a SmallPtrSet for visited chain nodes.
2. Do not force the recursive flattening of token factor nodes, regardless of
   use count.
3. Immediately process newly created TokenFactor nodes.

Also, improve combiner-aa by teaching it that loads to non-overlapping offsets
of relatively aligned objects cannot alias.

These changes result in a >5x speedup for combiner-aa on most testcases.

llvm-svn: 81816
 2009-09-15 00:18:30 +00:00
Nate Begeman
a9e552182a Teach the legalizer to propagate the original alignment of loads and store when 
it splits them.

llvm-svn: 81815
 2009-09-15 00:14:28 +00:00
Dan Gohman
9401b2fcab On x86-64, the 32-bit cmov doesn't actually clear the high 32-bit of 
its result if the condition is false.

llvm-svn: 81814
 2009-09-15 00:14:11 +00:00
Nate Begeman
e9572a945b Add an "original alignment" field to load and store nodes. This enables the 
DAG Combiner to disambiguate chains for loads and stores of types which are
 broken up by the Legalizer into smaller pieces.  

llvm-svn: 81813
 2009-09-15 00:13:12 +00:00
Dan Gohman
ec42afc1dc When extending a memset range past the front, set the alignment of the 
memset region to the alignment of the new start address.

llvm-svn: 81810
 2009-09-14 23:39:10 +00:00
Erick Tryzelaar
cd5ce50e17 Expose initializing the native target for the execution engine. 
llvm-svn: 81800
 2009-09-14 21:54:32 +00:00
Erick Tryzelaar
0e2d5db045 Make sure to initialize the fpm in the ocaml tutorial. 
llvm-svn: 81799
 2009-09-14 21:54:15 +00:00
Evan Cheng
83bb285c97 Add early coalescing to liveintervals. This is work in progress and is known to miscompute some tests. Read it at your own rish, I have aged 10 year while writing this. 
The gist of this is if source of some of the copies that feed into a phi join is defined by the phi join, we'd like to eliminate them. However, if any of the non-identity source overlaps the live interval of the phi join then the coalescer won't be able to coalesce them. The early coalescer's job is to eliminate the identity copies by partially-coalescing the two live intervals.

llvm-svn: 81796
 2009-09-14 21:33:42 +00:00
Bill Wendling
f43d8a08b0 Pull the creation of the "RewindFunction" function out of the loop. It's only 
created once, so shouldn't be stuck in the middle of the loop. Also early exit
if there are no uses of UnwindInst in the function.

llvm-svn: 81785
 2009-09-14 20:52:37 +00:00
Dan Gohman
5c7448cb12 Update a comment to match the source. PseudoSourceValues are now 
obtained via accessor functions.

llvm-svn: 81782
 2009-09-14 20:40:10 +00:00
Jim Grosbach
5f662f31bc trivial whitespace cleanup 
llvm-svn: 81773
 2009-09-14 17:27:35 +00:00
Chris Lattner
444c69afae add PR# 
llvm-svn: 81770
 2009-09-14 16:49:26 +00:00
Eric Christopher
d6982c76a8 Enable the jit for llvm-config. 
Patch by Xerxes Rånby!

llvm-svn: 81768
 2009-09-14 16:38:49 +00:00
Daniel Dunbar
35a1ac3e03 Add a valgrind suppressions file for x86_64/linux/4.3.3. 
llvm-svn: 81766
 2009-09-14 16:10:32 +00:00
Daniel Dunbar
c98a9cbdc8 Add a VALGRIND_EXTRA_ARGS makefile variable, with the obvious semantics. 
llvm-svn: 81764
 2009-09-14 15:27:43 +00:00
Daniel Dunbar
52dc654026 Update CMake dependencies. 
llvm-svn: 81758
 2009-09-14 05:22:54 +00:00
Daniel Dunbar
d729752a24 Update CMake. 
llvm-svn: 81757
 2009-09-14 05:22:47 +00:00
Chris Lattner
ec805c1a5d PIC16 does allow colon after MBB labels, simplify EmitBasicBlockStart. 
llvm-svn: 81755
 2009-09-14 03:15:54 +00:00
Chris Lattner
4a33f01892 Change MCAsmStreamer to take an MCInstPrinter instead of a 
full AsmPrinter, and change TargetRegistry to keep track
of registered MCInstPrinters.

llvm-mc is still linking in the entire
target foo to get the code emitter stuff, but this is an
important step in the right direction.

llvm-svn: 81754
 2009-09-14 03:02:37 +00:00
Daniel Dunbar
d715512750 Teach 'make check-lit' to run unittests. 
llvm-svn: 81753
 2009-09-14 02:39:01 +00:00
Daniel Dunbar
23724b98d0 Attempt to fix some 4.0.0 build warnings. 
llvm-svn: 81752
 2009-09-14 02:38:53 +00:00
Daniel Dunbar
2808cdfdbe lit: Give test formats control over test discovery. 
llvm-svn: 81751
 2009-09-14 02:38:46 +00:00
Nick Lewycky
65180a9be4 Fix a pair of comment typos. 
llvm-svn: 81750
 2009-09-14 02:25:34 +00:00
Nick Lewycky
02986c78c5 Fifth time's a charm! Remove ourselves as abstract type listeners once we've 
been told that the type is no longer abstract.

llvm-svn: 81749
 2009-09-14 02:25:19 +00:00
Chris Lattner
a00e070ea0 Give MCInstPrinter a MCAsmInfo member, make X86ATTInstPrinter 
be a MCInstPrinter.

llvm-svn: 81746
 2009-09-14 01:49:26 +00:00
Chris Lattner
27a850eb70 add a new MCInstPrinter class, move the (trivial) MCDisassmbler ctor inline. 
llvm-svn: 81745
 2009-09-14 01:43:38 +00:00
Chris Lattner
8da6598a75 tidy up a bit. 
llvm-svn: 81744
 2009-09-14 01:34:40 +00:00
Chris Lattner
c87179b542 slightly increase prettiness. 
llvm-svn: 81742
 2009-09-14 01:27:50 +00:00
Chris Lattner
c4a64a08ec emit the register table as a massive string to avoid relocations. 
llvm-svn: 81741
 2009-09-14 01:26:18 +00:00
Chris Lattner
d823d97b3a move StringToOffsetTable out to its own header. 
llvm-svn: 81740
 2009-09-14 01:19:16 +00:00