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Author SHA1 Message Date
Eric Christopher
7d3a16f687 Coding style formatting changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124260 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 01:09:59 +00:00
Jakob Stoklund Olesen
078628465b Rename member variables to follow the rest of LLVM. 
No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124257 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 00:50:53 +00:00
Devang Patel
a2e868d34c Provide an interface to transfer SDDbgValue from one SDNode to another. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124245 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 23:27:42 +00:00
David Greene
e13359732a [AVX] Fix a typo in the extract subvector type constraints to specify 
the correct number of operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124234 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 22:05:41 +00:00
Bill Wendling
0f4db7efa1 Revert 124230. It was causing test failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124233 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 21:48:36 +00:00
Bill Wendling
261b9c1a35 The floating point value is encoded in its binary form as an Imm. Convert it 
appropriately so that it prints out the decimal representation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124230 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 21:27:46 +00:00
Bill Wendling
69c4ef321c Add support for parsing a Real value. It stores the Real value as its binary 
encoding. It's up to the individual back-ends to convert it to their preferred
representation when printing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124229 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 21:26:41 +00:00
Rafael Espindola
3971df5203 Move unnamed_addr after the function arguments on Sabre's request. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124209 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 19:09:56 +00:00
Devang Patel
8f31428119 Resolve DanglingDbgValue of PHI nodes where the use follows dbg.value intrinisic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 18:09:58 +00:00
Devang Patel
3a00ffacdc This assertion is too restrictive, it does not apply for dangling dbg value nodes (nodes where dbg.value intrinsic preceds use of the value). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124202 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 18:09:33 +00:00
David Greene
b5b80a93f6 [AVX] Add TableGen classes for vector/subvector type constraints. 
This will be used to check patterns referencing a forthcoming
INSERT_SUBVECTOR SDNode and will also be used to check
EXTRACT_SUBVECTOR nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124191 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 16:16:32 +00:00
Duncan Sands
227fba11ca In which I discover that zero+zero is zero, d'oh! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124188 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 15:14:15 +00:00
Jay Foad
afde5188f2 Avoid compiler errors when this header file is included first, by adding 
a forward declaration of simplify_type<>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124187 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 14:33:33 +00:00
Duncan Sands
dadcf8eedd Turn off this test - the corresponding instsimplify logic has been 
disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124185 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 12:31:43 +00:00
Duncan Sands
2539b73128 See if this fixes llvm-gcc bootstrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124184 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 12:15:09 +00:00
Duncan Sands
d70d1a5c44 According to my auto-simplifier the most common missed simplifications in 
optimized code are:
  (non-negative number)+(power-of-two) != 0 -> true
and
  (x | 1) != 0 -> true
Instcombine knows about the second one of course, but only does it if X|1
has only one use.  These fire thousands of times in the testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124183 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 09:38:29 +00:00
Nick Lewycky
b38824f866 Teach mergefunc how to emit aliases safely again -- but keep it turned it off 
for now. It's controlled by the HasGlobalAliases variable which is not attached
to any flag yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124182 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 08:56:50 +00:00
Eric Christopher
1bcb4288e5 Reorganize this so that the early exit and special cases come early 
rather than interspersed. No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124168 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 01:34:31 +00:00
Evan Cheng
7cfa656ad8 Don't merge restore with tail call instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 01:28:33 +00:00
Daniel Dunbar
c0a7007d3a tblgen/AsmMatcherEmitter: Fix alias handling to honor -match-prefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124154 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 23:26:31 +00:00
Anton Korobeynikov
5899a60d2f Provide correct registers for EH stuff on ARM 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124151 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 22:38:45 +00:00
Anton Korobeynikov
d4e0978752 Support printing exception section into the current one. This is the case when LSDASection is blank 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124150 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 22:38:40 +00:00
Eric Christopher
0f13bc8c23 Perhaps a bit too much vertical whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124148 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 22:19:14 +00:00
David Greene
6032269837 [AVX] Add type checking support for vector/subvector type constraints. 
This will be used to check patterns referencing a forthcoming
INSERT_SUBVECTOR SDNode.  INSERT_SUBVECTOR in turn is very useful for
matching to VINSERTF128 instructions and complements the already
existing EXTRACT_SUBVECTOR SDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 20:53:18 +00:00
Devang Patel
a3ee3ef71b Speculatively revert r124138. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124142 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 20:04:37 +00:00
Rafael Espindola
59b8cf4512 Jörg Sonnenberger noticed that we were missing this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124139 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 19:40:38 +00:00
Devang Patel
224a180d11 Resolve DanglingDbgValue of PHI nodes where the use follows dbg.value intrinisic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124138 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 19:24:37 +00:00
Andrew Trick
c48d50f9c0 Temporarily workaround JM/lencod miscompile (SIGSEGV). 
rdar://problem/8893967


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124137 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 19:08:15 +00:00
Dan Gohman
bd1801b555 Give GetUnderlyingObject a TargetData, to keep it in sync 
with BasicAA's DecomposeGEPExpression, which recently began
using a TargetData. This fixes PR8968, though the testcase
is awkward to reduce.

Also, update several off GetUnderlyingObject's users
which happen to have a TargetData handy to pass it in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124134 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 18:53:32 +00:00
Chris Lattner
0e3fae27a1 fix PR8928 by clearing a stale map, patch by Jakub Staszak! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124132 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 18:36:51 +00:00
Duncan Sands
1f59e09c9a Testcase for dragonegg commit 124128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124129 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 18:04:33 +00:00
Rafael Espindola
184640e96e Handle strings in section names the same way as gas: 
* If the name is a single string, we remove the quotes
* If the name starts without a quote, we include any quotes in the name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 18:02:54 +00:00
Dan Gohman
a3bbf2411f Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124126 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 17:54:18 +00:00
Dan Gohman
640b9c8fe2 Add another rdar number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124125 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 17:54:01 +00:00
Daniel Dunbar
c98d82a7f0 Support/CommandLine: Fix LookupNearestOption to also search extra option names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 17:27:17 +00:00
Chris Lattner
ccea167db5 fix a missing shuffle pattern, PR9009. Patch by Artiom Myaskouvskey! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 03:42:46 +00:00
Chris Lattner
850bdd2fcc merge all the "crash tests" into crash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124101 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 03:37:34 +00:00
Chris Lattner
867be59684 fix PR9017, a bug where we'd assert when promoting in unreachable 
code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124100 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 03:29:07 +00:00
Chris Lattner
51e62f0f73 fix PR9015, a crash linking recursive metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 03:18:24 +00:00
Chris Lattner
96c0771c01 this isn't a memset, we do convert dest[i] to one though :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 02:32:00 +00:00
Chris Lattner
7ea7d32de6 with recent work, we now optimize this into: 
define i32 @foo(i32 %x) nounwind readnone ssp {
entry:
  %tobool = icmp eq i32 %x, 0
  %tmp5 = select i1 %tobool, i32 2, i32 1
  ret i32 %tmp5
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124091 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 01:12:18 +00:00
Chris Lattner
e3357863aa enhance SRoA to promote allocas that are used by PHI nodes. This often 
occurs because instcombine sinks loads and inserts phis.  This kicks in 
on such apps as 175.vpr, eon, 403.gcc, xalancbmk and a bunch of times in
spec2006 in some app that uses std::deque.

This resolves the last of rdar://7339113.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124090 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 01:07:11 +00:00
Chris Lattner
c87c50a39c Enhance SRoA to promote allocas that are used by selects in some 
common cases.  This triggers a surprising number of times in SPEC2K6
because min/max idioms end up doing this.  For example, code from the
STL ends up looking like this to SRoA:

  %202 = load i64* %__old_size, align 8, !tbaa !3
  %203 = load i64* %__old_size, align 8, !tbaa !3
  %204 = load i64* %__n, align 8, !tbaa !3
  %205 = icmp ult i64 %203, %204
  %storemerge.i = select i1 %205, i64* %__n, i64* %__old_size
  %206 = load i64* %storemerge.i, align 8, !tbaa !3

We can now promote both the __n and the __old_size allocas.

This addresses another chunk of rdar://7339113, poor codegen on
stringswitch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124088 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 22:04:55 +00:00
Chris Lattner
3928af6ac4 teach Value::isDereferenceablePointer that byval arguments are always 
dereferencable, noticed by inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124085 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 21:15:29 +00:00
Anders Carlsson
f330b3227a Add a memset loop that LoopIdiomRecognize doesn't recognize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124082 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 20:31:00 +00:00
Nick Lewycky
76167af9b1 Simplify some code with no functionality change. Make the test a lot more 
robust against smarter optimizations, using the power of FileCheck.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124081 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 20:06:05 +00:00
Rafael Espindola
dd0dfdf8be Initialize MCNoExecStack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124079 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 18:50:12 +00:00
Rafael Espindola
96aa78c8c5 Add support for the --noexecstack option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124077 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 17:55:27 +00:00
Ted Kremenek
584520e8e2 Null initialize a few variables flagged by 
clang's -Wuninitialized-experimental warning.
While these don't look like real bugs, clang's
-Wuninitialized-experimental analysis is stricter
than GCC's, and these fixes have the benefit
of being general nice cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 17:05:06 +00:00
Rafael Espindola
54104db434 Add support for lowercase variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124071 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 16:11:25 +00:00