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Author SHA1 Message Date
Chris Lattner
82ce325f16 reapply: Use the new TB_NOT_REVERSABLE flag instead of special 
reapply: reimplement the second half of the or/add optimization.  We should now

with no changes.  Turns out that one missing "Defs = [EFLAGS]" can upset things
a bit.

llvm-svn: 116040
 2010-10-08 03:57:25 +00:00
Chris Lattner
fbdd285dd6 reapply the patch reverted in r116033: 
"Reimplement (part of) the or -> add optimization.  Matching 'or' into 'add'"

With a critical fix: the add pseudos clobber EFLAGS.

llvm-svn: 116039
 2010-10-08 03:54:52 +00:00
Michael J. Spencer
3725cf3d21 Fix Formatting. 
llvm-svn: 116038
 2010-10-08 03:17:21 +00:00
Michael J. Spencer
bdf3b8770f MC-COFF: Fix Simple and Complex type. Fixes PR8320. 
llvm-svn: 116037
 2010-10-08 03:17:11 +00:00
Michael J. Spencer
fc3f9d7c92 Fix Whitespace. 
llvm-svn: 116036
 2010-10-08 03:16:56 +00:00
Daniel Dunbar
8b2890afae Update CMake. 
llvm-svn: 116034
 2010-10-08 02:30:03 +00:00
Daniel Dunbar
d3b6b8bf2b Revert "Reimplement (part of) the or -> add optimization. Matching 'or' into 
'add'", which seems to have broken just about everything.

llvm-svn: 116033
 2010-10-08 02:07:32 +00:00
Daniel Dunbar
59848f6703 Revert "Use the new TB_NOT_REVERSABLE flag instead of special ", which depends 
on r116007, which I am about to revert.

llvm-svn: 116032
 2010-10-08 02:07:29 +00:00
Daniel Dunbar
983fae5a86 Revert "reimplement the second half of the or/add optimization. We should now", 
which depends on r116007, which I am about to revert.

llvm-svn: 116031
 2010-10-08 02:07:26 +00:00
Daniel Dunbar
8ac0e27ca6 Fix -Asserts warning. 
llvm-svn: 116030
 2010-10-08 02:07:22 +00:00
Eric Christopher
45a5ff5ca3 Move to thumb2 loads, fixes a problem with incoming registers 
as thumb1.

Fixes lencod.

llvm-svn: 116027
 2010-10-08 01:13:17 +00:00
Chris Lattner
7577cb7b49 reimplement the second half of the or/add optimization. We should now 
only end up emitting LEA instead of OR.  If we aren't able to promote
something into an LEA, we should never be emitting it as an ADD.

Add some testcases that we emit "or" in cases where we used to produce
an "add".

llvm-svn: 116026
 2010-10-08 01:05:10 +00:00
Jim Grosbach
edbbf33203 Add test file for simple ARM binary encodings with MC 
llvm-svn: 116024
 2010-10-08 00:47:59 +00:00
Jim Grosbach
1214818a3e Enable binary encoding of some simple instructions. 
llvm-svn: 116022
 2010-10-08 00:39:21 +00:00
Eric Christopher
4d10241635 Try to fix ocaml bindings. 
llvm-svn: 116021
 2010-10-08 00:36:21 +00:00
Jim Grosbach
df2ff926a6 Make <target>CodeEmitter::getBinaryCodeForInstr() a const method. 
llvm-svn: 116018
 2010-10-08 00:21:28 +00:00
Chris Lattner
d62e94b465 Use the new TB_NOT_REVERSABLE flag instead of special 
casing FsMOVAPDrr/FsMOVAPSrr.

llvm-svn: 116016
 2010-10-08 00:03:02 +00:00
Michael J. Spencer
452789b5c0 MC-COFF: Add test for my last commit. 
llvm-svn: 116015
 2010-10-08 00:00:28 +00:00
Chris Lattner
72e7e84c3f simplify some map operations. 
llvm-svn: 116014
 2010-10-07 23:57:02 +00:00
Michael J. Spencer
43ccdd557d MC-COFF: Handle relaxation in COFF better. Fixes PR8321. 
llvm-svn: 116013
 2010-10-07 23:55:40 +00:00
Dan Gohman
27e145fc97 Delete the FormulaSorter class and inline its one method into its 
one user. This code will be restructured soon and FormulaSorter
is getting in the way.

llvm-svn: 116012
 2010-10-07 23:52:18 +00:00
Dan Gohman
9b55022e83 Fix a spello. 
llvm-svn: 116011
 2010-10-07 23:43:09 +00:00
Dan Gohman
d8eb76e4e8 Charge a formula for explicit multiplies on scaled registers too, 
not just base registers.

llvm-svn: 116010
 2010-10-07 23:41:58 +00:00
Dan Gohman
aa2c086eb9 Use size_t for consistency. 
llvm-svn: 116009
 2010-10-07 23:37:58 +00:00
Dan Gohman
8cc92ffff1 When merging one use into another, transfer the offsets from 
the old use to the new one.

llvm-svn: 116008
 2010-10-07 23:36:45 +00:00
Chris Lattner
d8f05bf65e Reimplement (part of) the or -> add optimization. Matching 'or' into 'add' 
is general goodness because it allows ORs to be converted to LEA to avoid
inserting copies.  However, this is bad because it makes the generated .s
file less obvious and gives valgrind heartburn (tons of false positives in
bitfield code).

While the general fix should be in valgrind, we can at least try to avoid
emitting ADD instructions that *don't* get promoted to LEA.  This is more
work because it requires introducing pseudo instructions to represents
"add that knows the bits are disjoint", but hey, people really love valgrind.

This fixes this testcase:
https://bugs.kde.org/show_bug.cgi?id=242137#c20

the add r/i cases are coming next.

llvm-svn: 116007
 2010-10-07 23:36:18 +00:00
Jakob Stoklund Olesen
1d81101e97 After splitting, the remaining LiveInterval may be fragmented into multiple 
connected components. These components should be allocated different virtual
registers because there is no reason for them to be allocated together.

Add the ConnectedVNInfoEqClasses class to calculate the connected components,
and move values to new LiveIntervals.

Use it from SplitKit::rewrite by creating new virtual registers for the
components.

llvm-svn: 116006
 2010-10-07 23:34:34 +00:00
Dan Gohman
b8c38d92e4 Fix LSR to keep the RegUseTracker up to date when combining users. 
This doesn't usually matter, because the other heuristics usually
succeed regardless, but it's good to keep the register use
bookkeeping consistent.

llvm-svn: 116005
 2010-10-07 23:33:43 +00:00
Devang Patel
35201e0fd6 Remove LoopIndexSplit pass. It is neither maintained nor used by anyone. 
llvm-svn: 116004
 2010-10-07 23:29:37 +00:00
John Thompson
87f1278fd9 Unbreak cmake build. 
llvm-svn: 116003
 2010-10-07 23:12:15 +00:00
Evan Cheng
7fa1e3a474 Code refactoring. 
llvm-svn: 116002
 2010-10-07 23:12:15 +00:00
Chris Lattner
2212441ff7 Reduce casting in various tables by defining the table 
with the right types.

llvm-svn: 116001
 2010-10-07 23:08:41 +00:00
Nick Lewycky
564c2d6894 Warn about broken GCCs on ARM due to the problem fixed: 
http://gcc.gnu.org/ml/gcc-patches/2010-09/msg01070.html

llvm-svn: 115998
 2010-10-07 22:30:47 +00:00
Chris Lattner
17850b2677 simplify code: don't build up vector only to assert it is empty. 
llvm-svn: 115997
 2010-10-07 22:26:19 +00:00
Owen Anderson
69cbf2e8b7 Now with fewer extraneous semicolons! 
llvm-svn: 115996
 2010-10-07 22:25:06 +00:00
Jim Grosbach
504d7b7d8b Move checking for t2MOVCCi16 to the right place. 
llvm-svn: 115994
 2010-10-07 22:14:01 +00:00
Jim Grosbach
e949170bad Trivial MC code emitter shell. No instruction forms actually handled yet. 
llvm-svn: 115993
 2010-10-07 22:12:50 +00:00
Evan Cheng
6ff4de5199 Correctly check if a path is a directory. Fix by Brian Korver. 
llvm-svn: 115991
 2010-10-07 22:05:57 +00:00
Devang Patel
ee23e6ea23 Provie a clearner interface so that FE can decide whether a function has prototype or not. 
llvm-svn: 115988
 2010-10-07 22:03:01 +00:00
Jim Grosbach
ec0a25f2b1 Include the auto-generated bits for machine encoding. 
llvm-svn: 115987
 2010-10-07 21:57:55 +00:00
Nick Lewycky
2d8ea609e1 Fix typo in comment. 
llvm-svn: 115986
 2010-10-07 21:55:16 +00:00
Eric Christopher
183b18d430 Remember to promote load/store types for stack to register size. 
llvm-svn: 115984
 2010-10-07 21:40:18 +00:00
Chris Lattner
16aa36001d convert test to use the existing classes that the multipatterns 
use.  Since TEST is completely different than all other binops,
don't define a multipattern for it.

This completes factorization of binops.

llvm-svn: 115982
 2010-10-07 21:31:03 +00:00
Chris Lattner
bd89233607 convert cmp to use a multipattern 
llvm-svn: 115978
 2010-10-07 20:56:25 +00:00
Evan Cheng
7c89d70f27 Canonicalize X86ISD::MOVDDUP nodes to v2f64 to make sure all cases match. Also eliminate unneeded isel patterns. rdar://8520311 
llvm-svn: 115977
 2010-10-07 20:50:20 +00:00
Dan Gohman
b41a554403 This file needs ToolOutputFile.h too. 
llvm-svn: 115976
 2010-10-07 20:48:46 +00:00
Jim Grosbach
671713cc62 ARM instruction don't have instruction prefixes, so remove the helper functions 
for them from the MCCodeEmitter.

llvm-svn: 115975
 2010-10-07 20:41:30 +00:00
Jim Grosbach
ea4028ac17 Add output stream operator for MCInst. 
llvm-svn: 115974
 2010-10-07 20:38:37 +00:00
Dan Gohman
6645ce3f75 Move tool_output_file into its own file. 
llvm-svn: 115973
 2010-10-07 20:32:40 +00:00
Owen Anderson
d07798cef0 Add initialization routines for Instrumentation. 
llvm-svn: 115971
 2010-10-07 20:17:24 +00:00