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Author SHA1 Message Date
Chris Lattner
fb431099c5 fix PR8710 - teach global opt that some constantexprs are too complex to 
put in a global variable's initializer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:59:32 +00:00
Jakob Stoklund Olesen
1fe045279b Remove unused member. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:32:45 +00:00
Francois Pichet
97b2f72765 Promote "enumerator in switch of enum is not handled" to level 1 warning on MSVC. It was disabled by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121096 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:25:06 +00:00
Michael J. Spencer
44d392a6af Test: Fix Support.Path and _all_ of the unittest death tests. GetTempPath defaults to \Windows\. 
If I typed anything else it would just decline into cursing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:49 +00:00
Michael J. Spencer
69cbbbf005 Support/Unix/PathV2: Return the real error from realpath instead of any error 
that close or unlink set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:39 +00:00
Michael J. Spencer
79c3c3a1de Support/Unix/PathV2: Use 0770 instead of 0700 when creating a directory. Also use 
the standard macros instead of octal notation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:29 +00:00
Michael J. Spencer
fbd1bbd7fa Support/PathV2: Use SmallVector::clear instead of set_size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:19 +00:00
Michael J. Spencer
ad8a14f24e Support/PathV2: Clarify and correct documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:08 +00:00
Michael J. Spencer
1522fce477 Support/PathV2: Move current_path from path to fs and fix the Unix implementation. 
Unix bug spotted by Dan Gohman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:22:31 +00:00
Bob Wilson
3890e397c3 Add an OpReinterpret operation to TableGen's NeonEmitter. 
An OpReinterpret entry is handled by translating it to OpCast intrinsics for
all combinations of source and destination types with the same total size.
This will be used to generate all the vreinterpret intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:12:23 +00:00
Bob Wilson
d8b847066e Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:12:19 +00:00
Rafael Espindola
f10d2be573 Fix a crash reduced from gcc produced assembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121085 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:09:54 +00:00
Owen Anderson
eb6779c5b9 Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:45:21 +00:00
Devang Patel
8802f0b2d0 Add python scripts to extract debug info using LLDB and do comparison. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:34:59 +00:00
Devang Patel
f5f2300d24 Add a simple breakpoint location printer. This will be used by upcoming "debug info in optimized code" quality test harness to set breakpoints at "interesting" locations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:33:43 +00:00
Rafael Espindola
85f2ecc697 Sorry for such a large commit. The summary is that only MachO cares about the 
actuall addresses in a .o file, so it is better to let the MachO writer compute
it.

This is good for two reasons. First, areas that shouldn't care about
addresses now don't have access to it. Second, the layout of each section
is independent. I should use this in a subsequent commit to speed it up.

Most of the patch is just removing the section address computation. The two
interesting parts are the change on how we handle padding in the end
of sections and how MachO can get the address of a-b when a and b are in
different sections.

Since now the expression evaluation normally doesn't know the section address,
it will think that a-b needs relocation and let the MachO writer know. Once
it has computed the section addresses, it calls back the expression evaluation
with the section addresses to resolve these expressions.

The remaining problem is the handling of padding. Currently it will create
a special alignment fragment at the end. Since that fragment doesn't update
the alignment of the section, it needs the real address to be computed.

Since now the layout will not compute a-b with a and b in different sections,
the only effect that the special alignment fragment has is update the
address size of the section. This can also be done by the MachO writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:27:36 +00:00
Jim Grosbach
662a816e89 Add fixup for Thumb1 BL/BLX instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 23:57:07 +00:00
Frits van Bommel
6033b346e2 Implement jump threading of 'indirectbr' by keeping track of whether we're looking for ConstantInt*s or BlockAddress*s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 23:36:56 +00:00
Devang Patel
b7313e274c Undefined value in reg 0 may need a marker to identify end of source range. 
This will be used to truncate live range of DBG_VALUE instruction by register allocator and friends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:48:22 +00:00
Devang Patel
afeaae7a94 If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:39:26 +00:00
Rafael Espindola
22373b230a Use references to simplify the code a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:30:54 +00:00
Wesley Peck
a3b2200472 Adding bug fix that was suppose to be part of 121044. 
patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:19:28 +00:00
Wesley Peck
dc80380de8 Fixed reversed operands for IDIV and CMP instructions in MBlaze backend. 
Use BRAD instead of BRD for indirect branches in MBlaze backend.

patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:06:49 +00:00
Jason W Kim
56a399023a Refactor ELFObjectWriter. 
+ ARM/X86/MBlaze now share a common RecordRelocation
+ ARM/X86/MBlaze arch specific routines are limited to GetRelocType()



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:57:34 +00:00
Chris Lattner
f51a6cc5bf replace a linear scan with a symtab lookup, reduce indentation. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:53:07 +00:00
Rafael Espindola
1dda29bdff use getSymbolOffset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:51:55 +00:00
Chris Lattner
29d8d6b039 Use a stronger predicate here, pointed out by Duncan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121040 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:48:10 +00:00
Chris Lattner
a9d4da85d6 add some DEBUG statements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:13:51 +00:00
Wesley Peck
1e8cdd599c Fix a 16-bit immediate value detection bug in the MBlaze delay slot filler. 
Address more hazards in the MBlaze delay slot filler.

patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121037 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:11:01 +00:00
Rafael Espindola
f96d17b886 Another use of getSymbolOffset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 19:55:05 +00:00
Rafael Espindola
179821ac1f Remove the instruction fragment to data fragment lowering since it was causing 
freed data to be read. I will open a bug to track it being reenabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121028 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 19:08:48 +00:00
Owen Anderson
c76c59840b Revert r121021, which broke the buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:57:40 +00:00
Jim Grosbach
ba3368ceae Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:47:44 +00:00
Owen Anderson
4c386fc754 Improve handling of Thumb2 PC-relative loads by converting LDRpci (and friends) to Pseudos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:35:51 +00:00
Jim Grosbach
04f74942f2 Encode the register operand of ARM CondCode operands correctly. ARM::CPSR if 
the instruction is predicated, reg0 otherwise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:30:57 +00:00
Jim Grosbach
d67641b6f8 The ARM AsmMatcher needs to know that the CCOut operand is a register value, 
not an immediate. It stores either ARM::CPSR or reg0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121018 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:21:12 +00:00
Devang Patel
9267d140de Do not try luck by using given name to create temporary file. In parallel builds it may not work. 
This time for .s file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121016 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 18:04:39 +00:00
Rafael Espindola
0bbe0b440e Second try at making direct object emission produce the same results 
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 17:27:56 +00:00
Rafael Espindola
6d86492f5e Revert previous two patches while I try to find out how to make both 
linux and darwin assemblers happy :-(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121004 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 15:35:15 +00:00
Rafael Espindola
7c00391248 Update test for the extra =. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 15:05:36 +00:00
Rafael Espindola
2303c9dd69 Add an EmitAbsValue helper method and use it in cases where we want to be sure 
that no relocations are used (on MochO).
Fixes llc producing different output from llc + llvm-mc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121000 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 14:53:14 +00:00
Frits van Bommel
03a83a3f41 Fix clang warning: "extra ';' inside a class [-pedantic]". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 10:48:11 +00:00
Chris Lattner
6c3ee0f3c9 Fix PR8735, a really terrible problem in the inliner's "alloca merging" 
optimization.

Consider:
static void foo() {
  A = alloca
  ...
}

static void bar() {
  B = alloca
  ...
  call foo();
}

void main() {
  bar()
}

The inliner proceeds bottom up, but lets pretend it decides not to inline foo
into bar.  When it gets to main, it inlines bar into main(), and says "hey, I
just inlined an alloca "B" into main, lets remember that.  Then it keeps going
and finds that it now contains a call to foo.  It decides to inline foo into
main, and says "hey, foo has an alloca A, and I have an alloca B from another
inlined call site, lets reuse it".  The problem with this of course, is that 
the lifetime of A and B are nested, not disjoint.

Unfortunately I can't create a reasonable testcase for this: the one in the
PR is both huge and extremely sensitive, because you minor tweaks end up
causing foo to get inlined into bar too early.  We already have tests for the
basic alloca merging optimization and this does not break them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 07:52:42 +00:00
Chris Lattner
39add23dc5 improve comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 07:43:04 +00:00
Chris Lattner
7d32b8032d improve -debug output and comments a little. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120993 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 07:38:40 +00:00
Michael J. Spencer
476d2f769e Support/Windows: Make MinGW happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 06:02:07 +00:00
Michael J. Spencer
753cbbbd3c Support/FileSystem: Add directory_iterator implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120989 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 04:28:42 +00:00
Michael J. Spencer
f150e7695e Support/PathV2: Fix append to not add a slash to empty or root paths. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 04:28:23 +00:00
Michael J. Spencer
7eec50bf4f Support/Windows: Add ScopedHandle and move some clients over to it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 04:28:13 +00:00
Michael J. Spencer
93e5ec2cba KillTheDoctor: Cleanup error_code usage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120986 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 04:28:01 +00:00