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Author SHA1 Message Date
Eric Christopher
19888ca8b4 Lower stpcpy_chk when possible. 
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. 
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) 
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. 
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. 
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. 
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) 
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. 
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 
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. 
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. 
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 
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 
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. 
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. 
- 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 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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 
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
  ...

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. 
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 
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
Bob Wilson
5265a12f53 Fix ARM buildbot breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 00:46:22 +00:00
Chris Lattner
2968943463 add support, testcases, and dox for the new GHC calling 
convention.  Patch by David Terei!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 00:22:57 +00:00
Bob Wilson
4d6113ee06 Lower small memcpys to load/stores on Thumb2. 
Radar 7686922.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98210 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 00:20:49 +00:00
Jakob Stoklund Olesen
2cb4202f07 VirtRegRewriter spring cleaning. No functional change. 
Move methods out of line and M-x whitespace-cleanup.
Promote common method arguments to member variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 00:11:33 +00:00
Chris Lattner
bcc5cb4061 Work around a bug in the openbsd assembler on i386, 
which doesn't support .quad correctly because it is
"really really old".  PR6528.

Yet another reason the mc assembler should take over ;-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 00:06:19 +00:00
Chris Lattner
f2f64e9063 fix PR6533 by updating the br(xor) code to remember the case 
when it looked past a trunc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 23:46:44 +00:00
Dale Johannesen
e3b8533e71 Cosmetic: lengthen names and improve comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 23:37:24 +00:00
Bob Wilson
fbacc888ee Fix an obvious typo in an assert. 
Patch by Sean Callanan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 22:38:45 +00:00
Bill Wendling
cebae36f57 Add a bit along with the MCSymbols stored in the MachineModuleInfo maps that 
indicates that an MCSymbol is external or not. (It's true if it's external.)
This will be used to specify the correct information to add to non-lazy
pointers. That will be explained further when this bit is used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 22:34:10 +00:00
Dale Johannesen
bfdf7f3852 Progress towards shepherding debug info through SelectionDAG. 
No functional effect yet.  This is still evolving and should
not be viewed as final.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 22:13:47 +00:00
Chris Lattner
6663670359 move PR6576 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98194 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 21:42:42 +00:00
Chris Lattner
97d7b1007a add DESTDIR support for TOOLALIAS, for PR6557, patch by 
Matthias Klose!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 21:27:53 +00:00
Dan Gohman
8f78e3c87d Fix another bitwidth calculation to handle vector types; based on a 
patch by Micah Villmow for PR6572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 21:04:53 +00:00
Daniel Dunbar
2101d9c4af MC/Mach-O: Use the MCAssembler symbol map instead of reconstructing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 20:58:31 +00:00
Daniel Dunbar
46836a783a MC: Move the backend section and symbol data maps to MCAssembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 20:58:29 +00:00
Daniel Dunbar
d80066eea9 Remove unneeded declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 20:58:25 +00:00
Jim Grosbach
f49be7c96f Make sure the LR gets pushed in functions that use vaargs. This fixes 
400.perlbench for the nightly tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 20:01:30 +00:00
Jim Grosbach
004453e85e comment why we use custom epilogue for t1 functions using vaargs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:59:47 +00:00
Dale Johannesen
2cd9ffef6e Fix another place where DEBUG_VALUE affected codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:57:56 +00:00
Dan Gohman
bbf81d8811 Add a DominatorTree argument to isLCSSA so that it doesn't have to 
compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:38:49 +00:00
Dan Gohman
0891d752a6 Constant-fold GEP-of-GEP into a single GEP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:31:51 +00:00
Dan Gohman
a77338476f Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98173 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 19:00:54 +00:00
Johnny Chen
dd0f3cf189 Factored out the disassembly printing of CPS option, MSR mask, and Negative Zero 
operands into their own PrintMethod, in order not to pollute the printOperand()
impl with disassembly only Imm modifiers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 18:59:38 +00:00