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Author SHA1 Message Date
Dan Gohman
1d10570630 Fix this test to account for a movl $0 being emitted as an xor now, 
and convert it to FileCheck.

llvm-svn: 84065
 2009-10-14 00:28:48 +00:00
Dale Johannesen
5017c333d0 Testcases for msasm bit (llvm-gcc 84062). 
llvm-svn: 84063
 2009-10-14 00:10:54 +00:00
Dan Gohman
76221cc874 Make isSafeToClobberEFLAGS more aggressive. Teach it to scan backwards 
(for uses marked kill and defs marked dead) a few instructions in
addition to forwards. Also, increase the maximum number of instructions
to scan, as it appears to help in a fair number of cases.

llvm-svn: 84061
 2009-10-14 00:08:59 +00:00
Dan Gohman
49946908b4 This remat entry is basically done. There are hooks to allow targets 
to remat non-load instructions as loads, and the remat code now uses
the UnmodeledSideEffects flags, MachineMemOperands, and similar things
to decide which instructions are valid for rematerialization.

llvm-svn: 84060
 2009-10-14 00:02:01 +00:00
Dan Gohman
d845fbc307 Add a few README.txt items. 
llvm-svn: 84059
 2009-10-13 23:58:05 +00:00
Dan Gohman
86970a6ea6 Fix resetCachedCostInfo to reset all of the cost information, instead of 
just the NumBlocks field.

llvm-svn: 84056
 2009-10-13 23:36:36 +00:00
Kevin Enderby
8d8e57983a Correct comment about ARM immediates using '#' not '$' and TODO for modifiers. 
llvm-svn: 84055
 2009-10-13 23:33:38 +00:00
Devang Patel
72f708ec2f s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Devang Patel
81485d992b Check void type before using RAUWd. 
llvm-svn: 84049
 2009-10-13 22:56:32 +00:00
Bob Wilson
a98883deaa More Neon clean-up: avoid the need for custom-lowering vld/st-lane intrinsics 
by creating TargetConstants during instruction selection instead of during
legalization.

llvm-svn: 84042
 2009-10-13 22:29:24 +00:00
Kevin Enderby
959ec973ad More bits of the ARM target assembler for llvm-mc to parse immediates. 
Also fixed a couple of coding style things that crept in.  And added more
to the temporary hacked up ARMAsmParser::MatchInstruction() method for testing.

llvm-svn: 84040
 2009-10-13 22:19:02 +00:00
Evan Cheng
3130aba687 Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias. 
llvm-svn: 84038
 2009-10-13 22:02:20 +00:00
Dale Johannesen
98d4e2663f Documentation for the new msasm flag, which is no 
worse than the rest of the asm documentation.

llvm-svn: 84037
 2009-10-13 21:56:55 +00:00
Bob Wilson
88df19e49a NEON VLD/VST are now fully implemented. For operations that expand to 
multiple instructions, the expansion is done during selection so there is
no need to do anything special during legalization.

llvm-svn: 84036
 2009-10-13 21:55:24 +00:00
Devang Patel
20d88f9e16 Do not check use_empty() before replaceAllUsesWith(). This gives ValueHandles a chance to get properly updated. 
llvm-svn: 84033
 2009-10-13 21:41:20 +00:00
Jeffrey Yasskin
8a0bdbb7f3 Keep track of stubs that are created. This fixes PR5162 and probably PR4822 and 
4406. Patch by Nick Lewycky!

llvm-svn: 84032
 2009-10-13 21:32:57 +00:00
Douglas Gregor
1fd6052176 Add is_same type trait 
llvm-svn: 84029
 2009-10-13 21:17:00 +00:00
Duncan Sands
d4a35e9f36 Introduce new convenience methods for sign extending or 
truncating an SDValue (depending on whether the target
type is bigger or smaller than the value's type); or zero
extending or truncating it.  Use it in a few places (this
seems to be a popular operation, but I only modified cases
of it in SelectionDAGBuild).  In particular, the eh_selector
lowering was doing this wrong due to a repeated rather than
inverted test, fixed with this change.

llvm-svn: 84027
 2009-10-13 21:04:12 +00:00
Devang Patel
4eb6a32cf6 Optimizer may remove debug info. This test checks debug info for include headers. 
llvm-svn: 84025
 2009-10-13 20:56:38 +00:00
Bob Wilson
d66a3fd73b Revise ARM inline assembly memory operands to require the memory address to 
be in a register.  The previous use of ARM address mode 2 was completely
arbitrary and inappropriate for Thumb.  Radar 7137468.

llvm-svn: 84022
 2009-10-13 20:50:28 +00:00
Dale Johannesen
7db511a23e Add an "msasm" flag to inline asm as suggested in PR 5125. 
A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.

llvm-svn: 84020
 2009-10-13 20:46:56 +00:00
Devang Patel
754bb7a010 These tests now pass. 
llvm-svn: 84019
 2009-10-13 20:45:18 +00:00
Sandeep Patel
af459ed32d Fix method name in comment, per Bob Wilson. 
llvm-svn: 84017
 2009-10-13 20:25:58 +00:00
Dan Gohman
c5a7668904 Use the new CodeMetrics class to compute code size instead of 
manually counting instructions.

llvm-svn: 84016
 2009-10-13 20:12:23 +00:00
Dan Gohman
c1e210fa10 Compute a full cost value even when a setjmp call is found. 
llvm-svn: 84015
 2009-10-13 20:10:10 +00:00
Dan Gohman
665e336185 Split code not specific to Function inlining out into a separate class, 
named CodeMetrics. Move it to be a non-nested class. Rename RegionInfo
back to FunctionInfo.

llvm-svn: 84013
 2009-10-13 19:58:07 +00:00
David Goodwin
d23db026b6 Add debugging output. 
llvm-svn: 84011
 2009-10-13 19:16:03 +00:00
Ted Kremenek
abbc32c042 Provide a mode for ImmutableMap/ImmutableSet to not automatically canonicalize the internal functional AVL trees. This should speedup clients that use ImmutableMap/ImmutableSet but don't require fast comparisons of maps. 
llvm-svn: 84010
 2009-10-13 19:08:10 +00:00
Sandeep Patel
1584038783 Add ARMv6T2 SBFX/UBFX instructions. Approved by Anton Korobeynikov. 
llvm-svn: 84009
 2009-10-13 18:59:48 +00:00
Ted Kremenek
1f746d5df3 Update CMake file (lexically order files). 
llvm-svn: 84008
 2009-10-13 18:57:27 +00:00
Devang Patel
8f81b906ab Do not write empty METADATA_ATTACHMENT record. 
llvm-svn: 84006
 2009-10-13 18:51:28 +00:00
Devang Patel
934fb4274a Remove unnecessary assert. 
llvm-svn: 84004
 2009-10-13 18:51:03 +00:00
Benjamin Kramer
679377c816 Update the other CMake file. 
llvm-svn: 84003
 2009-10-13 18:50:54 +00:00
Devang Patel
e911e90808 Parse GEP with attached custom metadata. This happens during libprofile_rt.bca build. 
llvm-svn: 84002
 2009-10-13 18:49:55 +00:00
Ted Kremenek
dd5d38175d Update CMake file. 
llvm-svn: 84001
 2009-10-13 18:48:07 +00:00
Evan Cheng
84c5224fa2 Refactor some code. No functionality changes. 
llvm-svn: 84000
 2009-10-13 18:42:04 +00:00
Dan Gohman
81218aa90e Commit the removal of this file, which is now moved to lib/Analysis. 
llvm-svn: 83999
 2009-10-13 18:37:20 +00:00
Dan Gohman
18cdd7ef1b Move the InlineCost code from Transforms/Utils to Analysis. 
llvm-svn: 83998
 2009-10-13 18:30:07 +00:00
Dan Gohman
f277c57aad Start refactoring the inline cost estimation code so that it can be used 
for purposes other than inlining.

llvm-svn: 83997
 2009-10-13 18:24:11 +00:00
Chris Lattner
26c670aa44 change simplifycfg to not duplicate 'unwind' instructions. Hopefully 
this will increase the likelihood of common code getting sunk towards
the unwind.

llvm-svn: 83996
 2009-10-13 18:13:05 +00:00
Chris Lattner
f5049b6bb8 convert to filecheck 
llvm-svn: 83995
 2009-10-13 18:10:05 +00:00
Chris Lattner
8ddeaf680a rename test 
llvm-svn: 83994
 2009-10-13 18:08:21 +00:00
Dan Gohman
d01c6196f4 Make LoopUnswitch's cost estimation count Instructions, rather than 
BasicBlocks, so that it doesn't blindly procede in the presence of
large individual BasicBlocks. This addresses a class of code-size
expansion problems.

llvm-svn: 83992
 2009-10-13 17:50:43 +00:00
Chris Lattner
a3d8b98dcd rename ReleaseNotes-2.6.html -> ReleaseNotes.html 
llvm-svn: 83990
 2009-10-13 17:48:04 +00:00
Chris Lattner
23d86355f2 add Zero 
llvm-svn: 83988
 2009-10-13 17:47:06 +00:00
Jeffrey Yasskin
3eacbf419d Make the ExecutionEngine automatically remove global mappings on when their 
GlobalValue is destroyed.  Function destruction still leaks machine code and
can crash on leaked stubs, but this is some progress.

llvm-svn: 83987
 2009-10-13 17:42:08 +00:00
Chris Lattner
a433d8cb67 don't use dead loads as tests. 
llvm-svn: 83985
 2009-10-13 17:39:29 +00:00
Devang Patel
ee9d2f0cc0 "there is not any instruction with attached debug info in this module" does not mean "there is no debug info in this module". :) 
llvm-svn: 83984
 2009-10-13 17:35:35 +00:00
Bob Wilson
747a6c0795 Add some ARM instruction encoding bits. 
Patch by Johnny Chen.

llvm-svn: 83983
 2009-10-13 17:35:30 +00:00
Bob Wilson
60d40281d3 Fix regression introduced by r83894. 
llvm-svn: 83982
 2009-10-13 17:29:13 +00:00