Benjamin Kramer
018cbd5ddf
Use StringRef::substr instead of std::string::substr to avoid using a free'd
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string temporary. This should fix PR6590.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98349 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 13:54:59 +00:00
Duncan Sands
bb2f0c541c
Now that it's supported, turn copysignl into a COPYSIGN node.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 12:13:59 +00:00
Duncan Sands
5d54b4112d
Fix PR6522: implement copysign expansion for x86 long double
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(it seems that FreeBSD doesn't have copysignl). Done by
removing a bunch of assumptions from the code. This may also
help with sparc 128 bit floats.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98346 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 11:45:06 +00:00
Benjamin Kramer
0b6cb50738
Factor checked library call optimization into a common helper class and use it
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to unify the almost identical code in CodeGenPrepare and InstCombineCalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98338 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 09:27:41 +00:00
Chris Lattner
b3e87b2262
fix PR6577, a bug in sdbuilder lowering select instructions
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whose true value was not Val#0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98336 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 07:15:36 +00:00
Chris Lattner
202c6a7e76
update mkpatch for MC, patch by Aaron Gray
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98334 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 06:32:12 +00:00
Bill Wendling
53351a175d
The same situation that effected ARM effects PPC with regards to placing the
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LSDA into the TEXT section. We need to generate non-lazy pointers to it on
Mach-O. However, the object the NLP points to may be local to the translation
unit. If so, then the NLP needs to have the value of that object specified
instead of "0", which the linker interprets as "external".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 02:00:43 +00:00
Chris Lattner
f789d26f81
make TargetLoweringObjectFile::getExprForDwarfReference
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just make unnamed temp symbols instead of having to come
up with its own names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98324 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 01:56:43 +00:00
Devang Patel
1b596e399b
There is no need to create specification DIE for definitions at DIFile level.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98302 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:44:52 +00:00
Bill Wendling
08d726c912
MC-ize PPC's asm printing of stubs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98300 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:39:44 +00:00
Nate Begeman
75d5fe9213
Whoops this already existed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98297 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:21:19 +00:00
Nate Begeman
47a53a6e4c
Add a handful of additional useful pass manager things to the C API
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98296 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:06:07 +00:00
Jakob Stoklund Olesen
56698803d9
Extract methods from LocalRewriter::RewriteMBB bringing it down to 666 lines.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98295 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 23:04:34 +00:00
Chris Lattner
1a5c28f471
enhance MCContext::GetOrCreateTemporarySymbol() to create a new symbol
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with an arbitrary unique name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98294 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 22:56:10 +00:00
Chris Lattner
c18409aed8
change MCContext to always have an MCAsmInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 22:53:35 +00:00
Chris Lattner
42263e2e40
fix a fixme in TargetLoweringObjectFile::getExprForDwarfReference
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where we used ot create an MCSymbol for ".". Now emit an assembler
temporary label and reference it instead of "." textually.
rdar://7739457
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98292 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 21:55:20 +00:00
Dan Gohman
a257095ebb
Remove getWidenVectorType, which is no longer used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98289 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 21:39:57 +00:00
Chris Lattner
19a994766f
empty symbols aren't possible, the mcsymbol ctor aborts on them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98288 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 21:38:58 +00:00
Johnny Chen
c0b5dce3fa
Set the (Format)F filed of t2Int_MemBarrierV7 & t2Int_SyncBarrierV7 to ThumbFrm,
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instead of Pseudo, which helps Thumb decoder to recognize them as Thumb instr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 21:02:50 +00:00
Benjamin Kramer
7fa30b8e5d
stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 20:45:13 +00:00
Bill Wendling
c6678b0014
revert r98270.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98281 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 19:50:31 +00:00
Chris Lattner
3192d14076
rename getSymbolForDwarf* to getExprForDwarf* since it returns
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an MCExpr and not an MCSymbol. Change it to take an MCStreamer,
which is currently unused.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98278 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 19:41:58 +00:00
Evan Cheng
af1871fa6d
In case of tail call size of Ins and InVals may not match.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98277 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 19:38:18 +00:00
Eric Christopher
19888ca8b4
Lower stpcpy_chk when possible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 19:24:34 +00:00
Evan Cheng
55282267e1
Bad bad bug. x86 force indirect tail call address into eax when it's meant to force it into a call preserved register instead. Change it to ecx for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 18:49:14 +00:00
Richard Osborne
c6bc9a69d4
Remove dead code. (S|U)MUL_LO is now lowered to LMUL or MACC(S|U)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98269 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 18:38:59 +00:00
Jeffrey Yasskin
d0f393d46f
Avoid leaking CompileUnits in DwarfDebug.cpp.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98268 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 18:29:55 +00:00
Daniel Dunbar
8f0448cabc
MC/Mach-O: Add MCSymbolData::getAddress() utility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98266 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 18:22:51 +00:00
Eric Christopher
b0722af798
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98260 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 17:45:38 +00:00
Richard Osborne
79a73fbeb3
Add dag combine to simplify lmul(x, 0, a, b)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 16:26:35 +00:00
Richard Osborne
f766ce5580
Switch XCore over to using inline jump table entries.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98256 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 14:58:56 +00:00
Richard Osborne
95da605e15
Add a new jump table encoding to indicate jump tables entries
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are inside the function by the target at the point of use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98255 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 14:58:16 +00:00
Evan Cheng
826cbac2a0
The check for coalescing a virtual register to a physical register, e.g.
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cl = EXTRACT_SUBREG reg1024, 1, is overly conservative. It should check
for overlaps of vr's live interval with the super registers of the
physical register (ECX in this case) and let JoinIntervals() handle checking
the coalescing feasibility against the physical register (cl in this case).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98251 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 08:20:21 +00:00
Ted Kremenek
41b39e9908
Update CMake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 07:51:23 +00:00
Eric Christopher
f27805b5c5
Have fast-isel understand llvm.objectsize. Update testcase for slightly
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different codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98244 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 06:20:22 +00:00
Jeffrey Yasskin
6220754525
Make clang bootstrap happier on OSX 10.5 by reducing the number of headers
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included when using global symbols to ask the linker for the addresses of
various functions. One of the symbols was actually getting declared by a
header included in DynamicLibrary.cpp, which conflicted with the "extern void*"
declaration in SearchForAddressOfSpecialSymbol().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98243 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 06:14:32 +00:00
Daniel Dunbar
979ba5b3c7
MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98241 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 05:53:37 +00:00
Daniel Dunbar
18ff2cced7
MC/Mach-O: Start passing in the basic MCAsmLayout object.
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- Also, drop the current location part of AsmLayout, I think I prefer to implement this via explicit symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98240 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 05:53:33 +00:00
Eric Christopher
040056fd11
Do some final lowering in CodeGenPrepare of _chk calls similar to
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that in InstCombineCalls.
More call lowering needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98228 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:41:03 +00:00
Daniel Dunbar
f82f4490b1
MC: Sketch initial MCAsmLayout class, which encapsulates the current layout of an assembly file. The MCAsmLayout is also available for use by MCExpr::EvaluateAs{Absolute,Relocatable}, to allow target specific hooks and "absolutizing" of symbols.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:28:59 +00:00
Daniel Dunbar
18e2c021a9
Fix (unused) RegisterAsmBackend template, clang++ isn't happy about this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98226 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:28:52 +00:00
Daniel Dunbar
0193c0994b
Remove dead include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98225 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:28:48 +00:00
Dale Johannesen
e68ea060c7
Fix debug_value handling.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 02:10:24 +00:00
Daniel Dunbar
1f3e445184
MC: Provide MCAssembler with a TargetAsmBackend.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98222 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:34:27 +00:00
Daniel Dunbar
23ac7c78e4
MC: Sketch some TargetAsmBackend hooks we are going to need.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:34:21 +00:00
Daniel Dunbar
6c27f5e574
MC: Provide the target triple to AsmBackend constructors.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98220 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:34:16 +00:00
Eric Christopher
bd97376200
Add strncpy libcall creator. Use it when it should be used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:25:07 +00:00
Bill Wendling
52a50e5d0e
When outputing a non-lazy pointer for a stub, we may need to fill in the value
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for the NLP because the object it's pointing to may be internal to the file.
This seems counter-intuitive, but bear with me. When we place the LSDA into the
TEXT section, the type info pointers need to be indirect and pc-rel. We
accomplish this by using NLPs. However, sometimes the types are local to the
file. GCC gets around this by not using a NLP in this case, but a "regular"
indirection like this:
GCC_except_tbl:
.long Lfoo-.
__ZTIA: @ This is local
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Lfoo:
.long __ZTIA
LLVM prefers NLPs on Darwin. In fact, it's more optimal for load performance to
use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:18:13 +00:00
Johnny Chen
ae1757b452
Added Thumb2 LDRD/STRD pre/post variants for disassembly only.
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Plus fixed the encoding of t2LDRDpci such that P = 1 and W = 0 (offset mode).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98217 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 01:13:36 +00:00
Dale Johannesen
ae47e461eb
Make sure HasDebugValue is initialized. This should fix
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the buildbot running valgrind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98216 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-11 00:52:12 +00:00