OSDN Git Service
Oscar Fuentes [Sun, 26 Oct 2008 00:47:52 +0000 (00:47 +0000)]
CMake: GetTargetTriple: new module for determining the target
triple. Assign to LLVM_HOSTTRIPLE so it figures in config.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58176
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Bill Wendling [Sun, 26 Oct 2008 00:19:56 +0000 (00:19 +0000)]
Fix type-o in ExprMapKeyType::operator ==(). The "&&" was missing.
Patch by Frits van Bommel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58175
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Evan Cheng [Sat, 25 Oct 2008 23:49:39 +0000 (23:49 +0000)]
Handle cases where there aren't uses in the barrier mbb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58174
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Evan Cheng [Sat, 25 Oct 2008 23:08:22 +0000 (23:08 +0000)]
Add storeRegTo{StackSlot|Addr} and loadRegFrom{StackSlot|Addr} descriptions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58164
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Dan Gohman [Sat, 25 Oct 2008 17:57:20 +0000 (17:57 +0000)]
Make comments and code for QuietWarnings and QuietErrors
actually correspond to what their names suggest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58146
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Dan Gohman [Sat, 25 Oct 2008 17:51:24 +0000 (17:51 +0000)]
SDNodes may have at most one Flag result. Update this comment
to reflect that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58145
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Dan Gohman [Sat, 25 Oct 2008 17:46:52 +0000 (17:46 +0000)]
Move the code that adds the DeadMachineInstructionElimPass from
target-independent code to target-specific code. This prevents it
from running on targets that aren't using fast-isel.
In addition to saving compile time, this addresses the problem
that not all targets are prepared for it. In order to use this
pass, all instructions must declare all their fixed uses and
defs of physical registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58144
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Gordon Henriksen [Sat, 25 Oct 2008 16:28:35 +0000 (16:28 +0000)]
Related to PR2911, reject as invalid non-pointer GC roots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58143
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Nicolas Geoffray [Sat, 25 Oct 2008 15:41:43 +0000 (15:41 +0000)]
Support for allocation of TLS variables in the JIT. Allocation of a global
variable is moved to the execution engine. The JIT calls the TargetJITInfo
to allocate thread local storage. Currently, only linux/x86 knows how to
allocate thread local global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58142
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Nicolas Geoffray [Sat, 25 Oct 2008 15:22:06 +0000 (15:22 +0000)]
Generate code for TLS instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58141
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Bruno Cardoso Lopes [Sat, 25 Oct 2008 14:56:26 +0000 (14:56 +0000)]
Added MIPS release notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58139
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Oscar Fuentes [Sat, 25 Oct 2008 03:49:35 +0000 (03:49 +0000)]
CMake: Directed bug reports to llvmbugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58134
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Oscar Fuentes [Sat, 25 Oct 2008 03:40:32 +0000 (03:40 +0000)]
CMake: lib/Target/ARM/AsmPrinter/CMakeLists.txt added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58133
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Oscar Fuentes [Sat, 25 Oct 2008 03:29:36 +0000 (03:29 +0000)]
CMake: MSVC++ no longer uses a special configuration method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58132
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Oscar Fuentes [Sat, 25 Oct 2008 03:25:11 +0000 (03:25 +0000)]
CMake: Sync'ed DataTypes.h.cmake with DataTypes.h.in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58131
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Oscar Fuentes [Sat, 25 Oct 2008 03:19:08 +0000 (03:19 +0000)]
CMake: Cross-platform support for using pre-generated llvmAsmParser.cpp and llvmAsmParser.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58130
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Evan Cheng [Sat, 25 Oct 2008 00:52:41 +0000 (00:52 +0000)]
If val# def is ~0U, meaning it's defined by a PHI, and it's previously split, spill before the barrier because it's impossible to determine if all the defs are spilled in the same spill slot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58129
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Dale Johannesen [Fri, 24 Oct 2008 22:08:01 +0000 (22:08 +0000)]
Mark MFCR as reading all condition code registers.
Prevents some more overzealous deletions (mostly
in AltiVec code).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58121
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Dale Johannesen [Fri, 24 Oct 2008 21:24:23 +0000 (21:24 +0000)]
Rewrite logic to figure out whether LR needs to
be saved/restored in the prolog/epilog. We need
to do this iff something in the function stores
into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58116
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Dale Johannesen [Fri, 24 Oct 2008 21:20:25 +0000 (21:20 +0000)]
Be kind to non-x86 hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58113
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Torok Edwin [Fri, 24 Oct 2008 19:23:07 +0000 (19:23 +0000)]
move the note to the correct README
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58104
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Torok Edwin [Fri, 24 Oct 2008 19:20:05 +0000 (19:20 +0000)]
add note about va_arg code on x86 and x86-64
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58103
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Evan Cheng [Fri, 24 Oct 2008 18:46:44 +0000 (18:46 +0000)]
Fix a pasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58102
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Duncan Sands [Fri, 24 Oct 2008 13:03:10 +0000 (13:03 +0000)]
Fix translateX86CC: if SetCCOpcode is SETULE and
LHS is a foldable load, then LHS and RHS are swapped
and SetCCOpcode is changed to SETUGT. But the later
code is expecting operands to be the wrong way round
for SETUGT, but they are not in this case, resulting
in an inverted compare. The solution is to move the
load normalization before the correction for SETUGT.
This bug was tickled by LegalizeTypes which happened
to legalize the testcase slightly differently to
LegalizeDAG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58092
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Cedric Venet [Fri, 24 Oct 2008 11:24:33 +0000 (11:24 +0000)]
Modify the cmake build system so that if it doesn't find bison, it will use the pregenerated file in from the svn (.cvs). Work only for windows for the moment. Tested on Vista64 with MSVC2008express.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58090
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Steve Naroff [Fri, 24 Oct 2008 10:38:57 +0000 (10:38 +0000)]
Add a file to VC++ proj.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58089
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Nick Lewycky [Fri, 24 Oct 2008 06:14:27 +0000 (06:14 +0000)]
Don't try to create a mask when we don't need one. Fixes a crash.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58075
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Evan Cheng [Fri, 24 Oct 2008 05:53:44 +0000 (05:53 +0000)]
Fix a end() dereference; remove an abort() that wasn't meant to be left in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58072
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Nick Lewycky [Fri, 24 Oct 2008 04:00:26 +0000 (04:00 +0000)]
Add value range analyzing of Add and Sub.
Understand that mul %x, 1 = %x.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58069
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Evan Cheng [Fri, 24 Oct 2008 02:05:00 +0000 (02:05 +0000)]
Avoid splitting an interval multiple times; avoid splitting re-materializable val# (for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58068
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Dan Gohman [Fri, 24 Oct 2008 01:57:54 +0000 (01:57 +0000)]
Fix constant-offset emission for x86-64 absolute addresses. This
fixes a bunch of test-suite JIT failures on x86-64 in
-relocation-model=static mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58066
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Steve Naroff [Fri, 24 Oct 2008 01:21:47 +0000 (01:21 +0000)]
Add file to VC++ project.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58060
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Dale Johannesen [Fri, 24 Oct 2008 01:06:58 +0000 (01:06 +0000)]
Initialize uninitialized variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58057
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Ted Kremenek [Thu, 23 Oct 2008 23:49:09 +0000 (23:49 +0000)]
Added raw_fd_ostream::close().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58052
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Steve Naroff [Thu, 23 Oct 2008 23:28:23 +0000 (23:28 +0000)]
Changes to make the Windows build work...
- Add a file to the VC++ project.
- Make sure the clang driver links against the Transforms library.
- Incorporate changes from patch by Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58048
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Evan Cheng [Thu, 23 Oct 2008 20:43:13 +0000 (20:43 +0000)]
Committing a good chunk of the pre-register allocation live interval splitting pass. It's handling simple cases and appear to do good things. Next: avoid splitting an interval multiple times; renumber registers when possible; record stack slot live intervals for coloring; rematerialize defs when possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58044
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Dale Johannesen [Thu, 23 Oct 2008 20:41:28 +0000 (20:41 +0000)]
Mark defs and uses of CTR and LR correctly.
Prevents DeadMachineInstructionElim from thinking
things like MTCTR are dead (fixes massive
testsuite breakage at -O0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58043
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Daniel Dunbar [Thu, 23 Oct 2008 19:37:34 +0000 (19:37 +0000)]
Make sure to set stdout to binary when writing bitcode files via
std::ostream API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58042
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Duncan Sands [Thu, 23 Oct 2008 19:34:23 +0000 (19:34 +0000)]
Fix thinko - the operand number has nothing to do
with the result number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58041
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Argyrios Kyrtzidis [Thu, 23 Oct 2008 17:20:39 +0000 (17:20 +0000)]
Introduce INT64_C macro and unbreak LLVM on MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58039
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Chris Lattner [Thu, 23 Oct 2008 00:24:51 +0000 (00:24 +0000)]
make this test not depend on how the system header defines memset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58016
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Daniel Dunbar [Wed, 22 Oct 2008 23:32:42 +0000 (23:32 +0000)]
Change create*Pass factory functions to return Pass* instead of
LoopPass*.
- Although less precise, this means they can be used in clients
without RTTI (who would otherwise need to include LoopPass.h, which
eventually includes things using dynamic_cast). This was the
simplest solution that presented itself, but I am happy to use a
better one if available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58010
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Ted Kremenek [Wed, 22 Oct 2008 23:16:52 +0000 (23:16 +0000)]
Fix incorrect testing for the end of the both strings in CStrInCStrNoCase. This could cause a read-out-of-bounds error if s2 is smaller than s1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58009
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Jim Grosbach [Wed, 22 Oct 2008 22:27:51 +0000 (22:27 +0000)]
remove extraneous #ifdef's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58006
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Daniel Dunbar [Wed, 22 Oct 2008 17:39:14 +0000 (17:39 +0000)]
Add raw_ostream versions of WriteBitcodeToFile and BitcodeWriterPass.
- The old versions are still hanging around, but should be migrated
away from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57989
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Dale Johannesen [Wed, 22 Oct 2008 17:26:06 +0000 (17:26 +0000)]
Remove allocation of unused stack slot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57987
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Julien Lerouge [Wed, 22 Oct 2008 16:30:41 +0000 (16:30 +0000)]
Fix for PR2881: fix a small leak exposed by valgrind, using a ManagedStatic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57984
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Gordon Henriksen [Wed, 22 Oct 2008 12:41:54 +0000 (12:41 +0000)]
[PR2886] Ignore stderr from ocamlc since it prints unresolvable warnings on some platforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57976
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Gordon Henriksen [Wed, 22 Oct 2008 12:40:55 +0000 (12:40 +0000)]
Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57975
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Gordon Henriksen [Wed, 22 Oct 2008 12:40:40 +0000 (12:40 +0000)]
[PR2886] Don't look for ocaml's .opt executables; something in the autoconf/test machinery doesn't handle the period properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57974
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Duncan Sands [Wed, 22 Oct 2008 11:49:09 +0000 (11:49 +0000)]
LegalizeTypes soft-float support for fpow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57973
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Duncan Sands [Wed, 22 Oct 2008 11:24:12 +0000 (11:24 +0000)]
Get this working with LegalizeTypes: (1) don't
assume that i64 has been turned into a BUILD_PAIR
node (when called from LegalizeTypes this hasn't
happened yet) and don't use a vector shuffle mask
with an illegal element type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57972
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Torok Edwin [Wed, 22 Oct 2008 09:56:27 +0000 (09:56 +0000)]
Regenerate configure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57971
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Argyrios Kyrtzidis [Wed, 22 Oct 2008 09:54:13 +0000 (09:54 +0000)]
Unbreak LLVM on the MSVC compiler:
-Bring in int64_t for TableGen/Record.h and TableGen/TGLexer.h
-Define strtoull
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57970
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Duncan Sands [Wed, 22 Oct 2008 09:42:14 +0000 (09:42 +0000)]
Use spaces rather than tab.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57969
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Duncan Sands [Wed, 22 Oct 2008 09:23:20 +0000 (09:23 +0000)]
Be nice to CellSPU: for this target getSetCCResultType
may return i8, which can result in SELECT nodes for
which the type of the condition is i8, but there are
no patterns for select with i8 condition. Tweak the
LegalizeTypes logic to avoid this as much as possible.
This isn't a real fix because it is still perfectly
possible to end up with such select nodes - CellSPU
needs to be fixed IMHO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57968
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Duncan Sands [Wed, 22 Oct 2008 09:07:29 +0000 (09:07 +0000)]
Port from LegalizeDAG the logic to only generate
ADDC/ADDE/SUBC/SUBE if the target supports it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57967
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Duncan Sands [Wed, 22 Oct 2008 09:06:24 +0000 (09:06 +0000)]
Add some comments explaining the meaning of a boolean
that is not of type MVT::i1 in SELECT and SETCC nodes.
Relax the LegalizeTypes SELECT condition promotion
sanity checks to allow other condition types than i1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57966
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Duncan Sands [Wed, 22 Oct 2008 09:00:33 +0000 (09:00 +0000)]
Temporarily allow the operands of a BUILD_VECTOR
to have a different type to the vector element
type. This should be fairly harmless because in
the past guys like this were being built all over
the place (and were cleaned up when I added this
check). The reason for relaxing this check is
that it helps LegalizeTypes legalize vector
shuffles: the mask is a BUILD_VECTOR that it is
*not always possible* to legalize while keeping it
a BUILD_VECTOR (vector_shuffle requires the mask
to be a BUILD_VECTOR, as opposed to a vector with
the right vector type). With this check it is even
harder to legalize the mask - turning the check off
means that LegalizeTypes manages to legalize almost
all vector shuffles encountered in practice. The
correct solution is to change vector_shuffle to be a
variadic node with the mask built into it as operands.
While waiting for that change, this hack stops the
problem with vector_shuffle from blocking the turning
on of LegalizeTypes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57965
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Chris Lattner [Wed, 22 Oct 2008 04:53:16 +0000 (04:53 +0000)]
Fix PR2907 by digging through constant expressions to find FP constants that
are their operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57956
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Daniel Dunbar [Wed, 22 Oct 2008 03:25:22 +0000 (03:25 +0000)]
Move Print*Pass to use raw_ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57946
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Oscar Fuentes [Wed, 22 Oct 2008 02:56:07 +0000 (02:56 +0000)]
CMake: `make install' for libraries, executables and header files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57945
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Oscar Fuentes [Wed, 22 Oct 2008 02:52:59 +0000 (02:52 +0000)]
CMake: use add_llvm_example for HowToUseJIT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57944
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Oscar Fuentes [Wed, 22 Oct 2008 02:51:53 +0000 (02:51 +0000)]
CMake: Turned some libraries into partially linked objects. Corrected
names of LLVMCore and ARMCodeGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57943
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Dale Johannesen [Wed, 22 Oct 2008 00:02:32 +0000 (00:02 +0000)]
Adjust comments for pedantic satisfaction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57940
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Bill Wendling [Tue, 21 Oct 2008 23:57:52 +0000 (23:57 +0000)]
Fix comment to name "TokenFactor" instead of "Token factor".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57939
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Oscar Fuentes [Tue, 21 Oct 2008 23:52:03 +0000 (23:52 +0000)]
CMake: updated lib/VMCore/CMakeLists.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57937
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Daniel Dunbar [Tue, 21 Oct 2008 23:33:38 +0000 (23:33 +0000)]
Privatize PrintModulePass and PrintFunctionPass and add
createPrintModulePass and createPrintFunctionPass.
- So clients who compile w/o RTTI can use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57933
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Dale Johannesen [Tue, 21 Oct 2008 23:07:49 +0000 (23:07 +0000)]
Add comments to explain uint64->f64 algorithm,
well, sort of. (Algorithm by Ian Ollmann.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57932
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Dale Johannesen [Tue, 21 Oct 2008 20:50:01 +0000 (20:50 +0000)]
Add an SSE2 algorithm for uint64->f64 conversion.
The same one Apple gcc uses, faster. Also gets the
extreme case in gcc.c-torture/execute/ieee/rbug.c
correct which we weren't before; this is not
sufficient to get the test to pass though, there
is another bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57926
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Dan Gohman [Tue, 21 Oct 2008 20:00:42 +0000 (20:00 +0000)]
Fix SelectionDAGBuild lowering of Select instructions to
handle first-class aggregate values. Also, fix a bug in
the Ret handling for empty aggregates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57925
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Daniel Dunbar [Tue, 21 Oct 2008 19:53:10 +0000 (19:53 +0000)]
Clear raw_fd_ostream error string on success and explain behavior in
documentation.
Add C++ header marker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57923
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Dan Gohman [Tue, 21 Oct 2008 19:50:00 +0000 (19:50 +0000)]
Updated email address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57920
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Dan Gohman [Tue, 21 Oct 2008 18:24:51 +0000 (18:24 +0000)]
Implement the optimized FCMP_OEQ/FCMP_UNE code for x86 fast-isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57915
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Torok Edwin [Tue, 21 Oct 2008 17:21:32 +0000 (17:21 +0000)]
Fix make check on Solaris 10/x86: the default grep is not GNU grep, same for as.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57912
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Jim Grosbach [Tue, 21 Oct 2008 16:54:12 +0000 (16:54 +0000)]
use pre-UAL mnemonics for push/pop for compilaton callback function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57911
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Nuno Lopes [Tue, 21 Oct 2008 11:42:16 +0000 (11:42 +0000)]
fix a tricky bug in the JIT global variable emitter, that was triggered when JITing a variable independently of a function. This lead to sharing memory memory between functions and GVs thus changing the value of a GV could change the code in execution. more details on the ML.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57900
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Ted Kremenek [Tue, 21 Oct 2008 05:59:33 +0000 (05:59 +0000)]
constify some methods and variables in ImmutableList.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57894
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Chris Lattner [Tue, 21 Oct 2008 03:55:19 +0000 (03:55 +0000)]
really fix run line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57889
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Chris Lattner [Tue, 21 Oct 2008 03:54:49 +0000 (03:54 +0000)]
fix run line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57888
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Chris Lattner [Tue, 21 Oct 2008 03:49:19 +0000 (03:49 +0000)]
remove some unneeded eh generation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57887
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Dan Gohman [Tue, 21 Oct 2008 03:41:46 +0000 (03:41 +0000)]
Disable constant-offset folding for PowerPC, as the PowerPC target
isn't yet prepared for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57886
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Dan Gohman [Tue, 21 Oct 2008 03:38:42 +0000 (03:38 +0000)]
Don't create TargetGlobalAddress nodes with offsets that don't fit
in the 32-bit signed offset field of addresses. Even though this
may be intended, some linkers refuse to relocate code where the
relocated address computation overflows.
Also, fix the sign-extension of constant offsets to use the
actual pointer size, rather than the size of the GlobalAddress
node, which may be different, for example on x86-64 where MVT::i32
is used when the address is being fit into the 32-bit displacement
field.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57885
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Dan Gohman [Tue, 21 Oct 2008 03:29:32 +0000 (03:29 +0000)]
Optimized FCMP_OEQ and FCMP_UNE for x86.
Where previously LLVM might emit code like this:
ucomisd %xmm1, %xmm0
setne %al
setp %cl
orb %al, %cl
jne .LBB4_2
it now emits this:
ucomisd %xmm1, %xmm0
jne .LBB4_2
jp .LBB4_2
It has fewer instructions and uses fewer registers, but it does
have more branches. And in the case that this code is followed by
a non-fallthrough edge, it may be followed by a jmp instruction,
resulting in three branch instructions in sequence. Some effort
is made to avoid this situation.
To achieve this, X86ISelLowering.cpp now recognizes FCMP_OEQ and
FCMP_UNE in lowered form, and replace them with code that emits
two branches, except in the case where it would require converting
a fall-through edge to an explicit branch.
Also, X86InstrInfo.cpp's branch analysis and transform code now
knows now to handle blocks with multiple conditional branches. It
uses loops instead of having fixed checks for up to two
instructions. It can now analyze and transform code generated
from FCMP_OEQ and FCMP_UNE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57873
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Dan Gohman [Tue, 21 Oct 2008 03:24:31 +0000 (03:24 +0000)]
When the coalescer is doing rematerializing, have it remove
the copy instruction from the instruction list before asking the
target to create the new instruction. This gets the old instruction
out of the way so that it doesn't interfere with the target's
rematerialization code. In the case of x86, this helps it find
more cases where EFLAGS is not live.
Also, in the X86InstrInfo.cpp, teach isSafeToClobberEFLAGS to check
to see if it reached the end of the block after scanning each
instruction, instead of just before. This lets it notice when the
end of the block is only two instructions away, without doing any
additional scanning.
These changes allow rematerialization to clobber EFLAGS in more
cases, for example using xor instead of mov to set the return value
to zero in the included testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57872
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Dan Gohman [Tue, 21 Oct 2008 03:12:54 +0000 (03:12 +0000)]
Make the NaN test come second, heuristically assuming
that NaNs are less common.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57871
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Dan Gohman [Tue, 21 Oct 2008 03:10:28 +0000 (03:10 +0000)]
Use Function::getEntryBlock() instead of Function::front(), for clarity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57870
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Oscar Fuentes [Tue, 21 Oct 2008 02:37:50 +0000 (02:37 +0000)]
CMake: updated lib/CodeGen/CMakeLists.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57869
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Dan Gohman [Tue, 21 Oct 2008 01:08:07 +0000 (01:08 +0000)]
Fix a bug that prevented llvm-extract -delete from working.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57864
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Chris Lattner [Tue, 21 Oct 2008 00:45:36 +0000 (00:45 +0000)]
Fix gcc.c-torture/compile/920520-1.c by inserting bitconverts
for strange asm conditions earlier. In this case, we have a
double being passed in an integer reg class. Convert to like
sized integer register so that we allocate the right number
for the class (two i32's for the f64 in this case).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57862
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Evan Cheng [Mon, 20 Oct 2008 21:44:59 +0000 (21:44 +0000)]
Add skeleton for the pre-register allocation live interval splitting pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57847
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Jim Grosbach [Mon, 20 Oct 2008 21:39:23 +0000 (21:39 +0000)]
Update the stub and callback code to handle lazy compilation. The stub
is re-written by the callback to branch directly to the compiled code
in future invocations.
Added back in range-based memory permission functions for the updating of
the stub on Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57846
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Dan Gohman [Mon, 20 Oct 2008 21:30:12 +0000 (21:30 +0000)]
Fast-isel no longer an experiment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57845
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Evan Cheng [Mon, 20 Oct 2008 20:03:28 +0000 (20:03 +0000)]
Add a register class -> virtual registers map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57844
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Evan Cheng [Mon, 20 Oct 2008 20:02:17 +0000 (20:02 +0000)]
This forward declaration is unnecessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57843
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Duncan Sands [Mon, 20 Oct 2008 16:31:21 +0000 (16:31 +0000)]
Support operations like fp_to_uint with a vector
result type when the result type is legal but
not the operand type. Add additional support
for EXTRACT_SUBVECTOR and CONCAT_VECTORS,
needed to handle such cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57840
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Duncan Sands [Mon, 20 Oct 2008 16:24:25 +0000 (16:24 +0000)]
Teach getTypeToTransformTo to return something
sensible for vectors being scalarized. Note
that this method can't return anything very
sensible when splitting non-power-of-two vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57839
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Duncan Sands [Mon, 20 Oct 2008 16:17:42 +0000 (16:17 +0000)]
LegalizeTypes support for atomic operation promotion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57838
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Duncan Sands [Mon, 20 Oct 2008 16:14:43 +0000 (16:14 +0000)]
Use DAG.getIntPtrConstant rather than DAG.getConstant
with TLI.getPointerTy for a small simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57837
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Duncan Sands [Mon, 20 Oct 2008 16:13:04 +0000 (16:13 +0000)]
Always use either MVT::i1 or getSetCCResultType for
the condition of a SELECT node. Make sure that the
correct extension type (any-, sign- or zero-extend)
is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57836
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