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Author SHA1 Message Date
Chad Rosier
8ff2664f2f Add a TODO comment. FastISel works by parsing each basic block from the bottom 
up.  Thus, improving the support for compares is goodness because it increases
the number of terminator instructions we can handle.  This creates many more 
opportunities for target specific fast-isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143079 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:34:37 +00:00
Chad Rosier
ade620065d Factor a little more code into EmitCmp, which should have been done in the first 
place.  No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143078 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:25:44 +00:00
Chad Rosier
75698f346f Use EmitCmp in SelectBranch. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143076 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:17:28 +00:00
Nick Lewycky
746cb670c3 Reflow lines, fix comments for doxygen style, fix whitespace. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143074 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:55:33 +00:00
Bill Wendling
50cacc825a Add include-what-you-use to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:55:18 +00:00
Chad Rosier
530f7cefd3 Factor out an EmitCmp function that can be used by both SelectCmp and 
SelectBranch.  No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143072 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:47:55 +00:00
Jim Grosbach
684457d179 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143071 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:44:41 +00:00
Jim Grosbach
a581328ceb Thumb2 ldr pc-relative encoding fixes. 
We were parsing label references to the i12 encoding, which isn't right.
They need to go to the pci variant instead.

More of rdar://10348687

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143068 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:22:01 +00:00
Rafael Espindola
2a1286ed58 Run test with -verify-machineinstrs. 
Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143066 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 21:20:26 +00:00
Rafael Espindola
66bf7430f5 Fixes an issue reported by -verify-machineinstrs. 
Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143064 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 21:16:41 +00:00
Jim Grosbach
758a519a22 ARM parse parenthesized expressions for label references. 
Partial fix for rdar://10348687.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 21:14:08 +00:00
Rafael Espindola
e840e88239 This commit introduces two fake instructions MORESTACK_RET and 
MORESTACK_RET_RESTORE_R10; which are lowered to a RET and a RET
followed by a MOV respectively.  Having a fake instruction prevents
the verifier from seeing a MachineBasicBlock end with a
non-terminator (MOV).  It also prevents the rather eccentric case of a
MachineBasicBlock ending with RET but having successors nevertheless.

Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143062 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 21:12:27 +00:00
Lang Hames
75757f9fd1 Make sure short memsets on ARM lower to stores, even when optimizing for size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143055 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 20:56:52 +00:00
Duncan Sands
dd3149d579 The maximum power of 2 dividing a power of 2 is itself. This occurs 
in 403.gcc and was spotted by my super-optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 20:55:21 +00:00
Owen Anderson
1832f4d94e Add support for scattered relocations to the MachO relocatation pretty printer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143051 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 20:42:54 +00:00
Bill Wendling
7b7fa74527 Some formatting changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143045 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 18:46:16 +00:00
Nick Lewycky
5a86c5b457 On an ELF system, ".debug_str" is mergeable and contains null terminated strings 
composed of one byte characters.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 18:44:32 +00:00
Bill Wendling
bc5f6ddfba Add the blurb about the new exception handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 18:33:01 +00:00
Bill Wendling
65d1f415c7 Add clReflect to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143041 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 18:23:06 +00:00
Bill Wendling
57fd876509 Add LanguageKit and Pragmatic Smalltalk to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 18:20:54 +00:00
Owen Anderson
ef22f78c68 The order of the two symbol listings in a Macho x86_64 subtractor relocation is reversed from what seems intuitive to me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143035 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:28:49 +00:00
Jim Grosbach
9c5edc00c4 Thumb2 remove redundant ".w" suffix from t2MVNCCi pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143034 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:28:15 +00:00
Owen Anderson
f8261e7d07 Include the full 64 bits of relocation data in the type info for MachO relocations, so that we can recognize scattered relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143033 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:10:22 +00:00
Owen Anderson
9472b8d220 Expand relocation type field to 64 bits. MachO scattered relocations require 33 bits of type info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143032 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:08:49 +00:00
Owen Anderson
929e27cc3c Improve pretty printing of GOT relocations in MachO on x86_64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143031 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 17:05:20 +00:00
Duncan Sands
e8ec225e77 My super-optimizer noticed that we weren't folding this expression to 
true: (x *nsw x) sgt 0, where x = (y | 1).  This occurs in 464.h264ref.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 15:31:51 +00:00
Duncan Sands
a921a46854 Simplify SplitVecRes_UnaryOp by removing all the code that is 
trying to legalize the operand types when only the result type
is required to be legalized - the type legalization machinery
will get round to the operands later if they need legalizing.
There can be a point to legalizing operands in parallel with
the result: when this saves compile time or results in better
code.  There was only one case in which this was true: when
the operand is also split, so keep the logic for that bit.
As a result of this change, additional operand legalization
methods may need to be introduced to handle nodes where the
result and operand types can differ, like SIGN_EXTEND, but
the testsuite doesn't contain any tests where this is the case.
In any case, it seems better to require such methods (and die
with an assert if they doesn't exist) than to quietly produce
wrong code if we forgot to special case the node in
SplitVecRes_UnaryOp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 14:11:18 +00:00
Bill Wendling
644ce53a30 Add ThreadSanitizer to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 09:25:01 +00:00
James Molloy
015cca6c08 Revert r142530 at least temporarily while a discussion is had on llvm-commits regarding exactly how much optsize should optimize for size over performance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143023 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 08:53:19 +00:00
Bill Wendling
8a924c6edf Add ZooLib to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 07:42:45 +00:00
Bill Wendling
02b77b790a Add the Stupid D Compiler to the External Projects list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143020 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 07:38:19 +00:00
Bill Wendling
de39d86f26 Use a worklist to prevent the iterator from becoming invalidated because of the 'removeSuccessor' call. Noticed in a Release+Asserts+Check buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 07:16:18 +00:00
Bill Wendling
7c38de2e9f Fix grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 04:24:15 +00:00
Eric Christopher
b64541fc72 Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143011 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 03:47:16 +00:00
Charles Davis
13460c9bd6 Revert 142997. It doesn't work on Mac OS or the BSDs, which all use the BSD 
version of the install program, which does not have the --strip-program
switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143009 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 02:28:32 +00:00
Jakob Stoklund Olesen
794439183a Don't use floating point to do an integer's job. 
This code makes different decisions when compiled into x87 instructions
because of different rounding behavior.  That caused phase 2/3
miscompares on 32-bit Linux when the phase 1 compiler was built with gcc
(using x87), and the phase 2 compiler was built with clang (using SSE).

This fixes PR11200.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 01:47:48 +00:00
Evan Cheng
73b5bb3865 Disable LICM speculation in high register pressure situation again now that Devang has fixed other issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143003 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 01:26:57 +00:00
Evan Cheng
f31151f34e Revert part of r142530. The patch potentially hurts performance especially 
on Darwin platforms where -Os means optimize for size without hurting
performance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143002 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 01:17:44 +00:00
Bill Wendling
a823e3d42c Reapply r142920 with fix: 
An MBB which branches to an EH landing pad shouldn't be considered for tail merging.

In SjLj EH, the jump to the landing pad is not done explicitly through a branch
statement. The EH landing pad is added as a successor to the throwing
BB. Because of that however, the branch folding pass could mistakenly think that
it could merge the throwing BB with another BB. This isn't safe to do.
<rdar://problem/10334833>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143001 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 01:10:25 +00:00
Eli Friedman
526e1bbe6b Add a note about the removal of the atomic intrinsics to the "Major Changes" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142998 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:55:23 +00:00
Eric Christopher
f3a5ba548f Search for and use the strip program and pass it to install for it 
to use for stripping final executables.

Patch by Simon Atanasyan!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142997 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:52:13 +00:00
Eric Christopher
360fa9a29d Handle newer cases for freebsd which is approaching 10.0 and not 1.0. 
Patch by Dimitry Andric!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:42:12 +00:00
Eli Friedman
5289142cc8 Remove dead atomic intrinsics from LangRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142994 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:36:41 +00:00
Mon P Wang
cf62b371a9 The bitcode reader can create an shuffle with a place holder mask which it will 
fix up later. For this special case, allow such a mask to be considered valid.
<rdar://problem/8622574>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:34:48 +00:00
Bill Wendling
7be6bc5a93 Add mention of AddressSanitizer to external OS projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:17:54 +00:00
Bill Wendling
d4821b894a Add mention of Mono to external OS projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142990 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:16:17 +00:00
Bill Wendling
29817ea67f Add mention of ClamAV to external OS projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142989 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:14:36 +00:00
Bill Wendling
537d85bda8 Add mention of Renderscript to external OS projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:12:04 +00:00
Bill Wendling
f9778197e8 Add mention of GHC to external OS projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142987 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:09:55 +00:00
Michael J. Spencer
232b1f268c llvm-nm: Use correct format string. Patch by Stepan Dyatkovskiy! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-25 22:45:47 +00:00