Chris Lattner [Thu, 21 Jul 2005 19:17:18 +0000 (19:17 +0000)]
revert to using 4-byte alignment for doubles, as specified by the ABI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22493
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 21 Jul 2005 01:29:16 +0000 (01:29 +0000)]
llvm.sqrt somehow escaped documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22490
91177308-0d34-0410-b5e6-
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Nate Begeman [Thu, 21 Jul 2005 01:25:49 +0000 (01:25 +0000)]
Support assembling fsqrt on darwin. This will be implemented better when
PowerPC gets subtarget support up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22489
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 21 Jul 2005 01:09:27 +0000 (01:09 +0000)]
If errno doesn't matter (e.g. in -ffast-math scenarios), sqrt* should be
compiled to llvm.sqrt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22488
91177308-0d34-0410-b5e6-
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Nate Begeman [Wed, 20 Jul 2005 22:42:00 +0000 (22:42 +0000)]
Generate mfocrf when targeting g5. Generate fsqrt/fsqrts when targetin g5.
8-byte align doubles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22486
91177308-0d34-0410-b5e6-
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Misha Brukman [Wed, 20 Jul 2005 21:06:37 +0000 (21:06 +0000)]
* "GNU Compiler Collection's gcc tool" is redundant
* Made bullet points start with a verb and lowercase, since they are not
complete sentences
* Cleaned up grammar, removed extraneous verbosity
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22485
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Chris Lattner [Wed, 20 Jul 2005 19:12:00 +0000 (19:12 +0000)]
Allow this to pass on non-linux systems as well, such as darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22484
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 20 Jul 2005 18:49:28 +0000 (18:49 +0000)]
Do not let MaskedValueIsZero consider undef to be zero, for reasons
explained in the comment.
This fixes UnitTests/2003-09-18-BitFieldTest on darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22483
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Chris Lattner [Wed, 20 Jul 2005 16:29:20 +0000 (16:29 +0000)]
count the number of relocations performed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22480
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Chris Lattner [Wed, 20 Jul 2005 03:56:48 +0000 (03:56 +0000)]
set the target triple so that we don't fail due to X86 abi issues
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22479
91177308-0d34-0410-b5e6-
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Nate Begeman [Tue, 19 Jul 2005 16:51:05 +0000 (16:51 +0000)]
Integrate SelectFPExpr into SelectExpr. This gets PPC32 closer to being
automatically generated from a target description.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22470
91177308-0d34-0410-b5e6-
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Nate Begeman [Tue, 19 Jul 2005 16:50:03 +0000 (16:50 +0000)]
Remove unnecessary FP_EXTEND. This causes worse codegen for SSE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22469
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Reid Spencer [Tue, 19 Jul 2005 04:52:44 +0000 (04:52 +0000)]
For: memory operations -> stores
This is the first incremental patch to implement this feature. It adds no
functionality to LLVM but setup up the information needed from targets in
order to implement the optimization correctly. Each target needs to specify
the maximum number of store operations for conversion of the llvm.memset,
llvm.memcpy, and llvm.memmove intrinsics into a sequence of store operations.
The limit needs to be chosen at the threshold of performance for such an
optimization (generally smallish). The target also needs to specify whether
the target can support unaligned stores for multi-byte store operations.
This helps ensure the optimization doesn't generate code that will trap on
an alignment errors.
More patches to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22468
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Chris Lattner [Tue, 19 Jul 2005 03:37:48 +0000 (03:37 +0000)]
remove some sparc-v9-specific information
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22467
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 19 Jul 2005 01:36:35 +0000 (01:36 +0000)]
Provide descriptions for the TargetInstrInfo and TargetFrameInfo classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22466
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 18 Jul 2005 23:07:33 +0000 (23:07 +0000)]
When transforming &A[i] < &A[j] -> i < j, make sure to perform the comparison
as a signed compare. This patch may fix PR597, but is correct in any case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22465
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Chris Lattner [Mon, 18 Jul 2005 04:31:14 +0000 (04:31 +0000)]
The assertion was wrong: the code only worked for i64. While we're at it,
expand the code to work for all integer datatypes. This should unbreak
alpha.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22464
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Reid Spencer [Sun, 17 Jul 2005 05:30:33 +0000 (05:30 +0000)]
Add a parameter to the FIND_STD_PROGRAM macro that allows an alternate name
for the command line options. This helps with situations where the executable
name sought is too generic and a more meaningful name needs to be used for
the command line options. It also helps satisfy picky project leaders.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22461
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Reid Spencer [Sun, 17 Jul 2005 00:50:40 +0000 (00:50 +0000)]
Add two new checks for use in LLVM configuration files:
* FIND_STD_PROGRAM will find a program in the path or using --with options
and verify that the path/bin/program is executable. Also allows checking
for include files and libraries. If found, USE_PROGRAM is set, otherwise
its not set. Also sets PROGRAM_BIN (bin directory), and PROGRAM_DIR (top
level directory). If headers are found, sets PROGRAM_INC. If libraries
are found, sets PROGRAM_LIB.
* CHECK_PROGRAM_SANITY can be used to run a program with some option that
only produces information output and requires no input. If the output
matches a regular expression, the program passes the sanity check.
Otherwise, an error occurs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22458
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Chris Lattner [Sat, 16 Jul 2005 17:41:06 +0000 (17:41 +0000)]
Only get the .bss and .data sections when needed instead of unconditionally.
This allows is to not emit empty sections when .data or .bss is not used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22457
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Chris Lattner [Sat, 16 Jul 2005 17:40:34 +0000 (17:40 +0000)]
Add two helper methods, adjust a prototype
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22456
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Chris Lattner [Sat, 16 Jul 2005 17:36:04 +0000 (17:36 +0000)]
Refactor getSection() method to make it easier to use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22455
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Chris Lattner [Sat, 16 Jul 2005 17:35:26 +0000 (17:35 +0000)]
Add ability to set TYPE and FLAGS field for section trivially
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22454
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Chris Lattner [Sat, 16 Jul 2005 08:01:13 +0000 (08:01 +0000)]
Major refactor of the ELFWriter code. Instead of building up one big
vector that represents the .o file at once, build up a vector for each
section of the .o file. This is needed because the .o file writer needs
to be able to switch between sections as it emits them (e.g. switch
between the .text section and the .rel section when emitting code).
This patch has no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22453
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Nate Begeman [Sat, 16 Jul 2005 02:02:34 +0000 (02:02 +0000)]
Teach the legalizer how to promote SINT_TO_FP to a wider SINT_TO_FP that
the target natively supports. This eliminates some special-case code from
the x86 backend and generates better code as well.
For an i8 to f64 conversion, before & after:
_x87 before:
subl $2, %esp
movb 6(%esp), %al
movsbw %al, %ax
movw %ax, (%esp)
filds (%esp)
addl $2, %esp
ret
_x87 after:
subl $2, %esp
movsbw 6(%esp), %ax
movw %ax, (%esp)
filds (%esp)
addl $2, %esp
ret
_sse before:
subl $12, %esp
movb 16(%esp), %al
movsbl %al, %eax
cvtsi2sd %eax, %xmm0
addl $12, %esp
ret
_sse after:
subl $12, %esp
movsbl 16(%esp), %eax
cvtsi2sd %eax, %xmm0
addl $12, %esp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22452
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Nate Begeman [Sat, 16 Jul 2005 02:00:20 +0000 (02:00 +0000)]
Teach the register allocator that movaps is also a move instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22451
91177308-0d34-0410-b5e6-
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Nate Begeman [Sat, 16 Jul 2005 01:59:47 +0000 (01:59 +0000)]
A couple more darwinisms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22450
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Chris Lattner [Sat, 16 Jul 2005 00:28:20 +0000 (00:28 +0000)]
Remove all knowledge of UINT_TO_FP from the X86 backend, relying on the
legalizer to eliminate them. With this comes the expected code quality
improvements, such as, for this:
double foo(unsigned short X) { return X; }
we now generate this:
_foo:
subl $4, %esp
movzwl 8(%esp), %eax
movl %eax, (%esp)
fildl (%esp)
addl $4, %esp
ret
instead of this:
_foo:
subl $4, %esp
movw 8(%esp), %ax
movzwl %ax, %eax ;; Load not folded into this.
movl %eax, (%esp)
fildl (%esp)
addl $4, %esp
ret
-Chris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22449
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Chris Lattner [Sat, 16 Jul 2005 00:19:57 +0000 (00:19 +0000)]
Break the code for expanding UINT_TO_FP operations out into its own
SelectionDAGLegalize::ExpandLegalUINT_TO_FP method.
Add a new method, PromoteLegalUINT_TO_FP, which allows targets to request
that UINT_TO_FP operations be promoted to a larger input type. This is
useful for targets that have some UINT_TO_FP or SINT_TO_FP operations but
not all of them (like X86).
The same should be done with SINT_TO_FP, but this patch does not do that
yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22447
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Chris Lattner [Fri, 15 Jul 2005 22:48:31 +0000 (22:48 +0000)]
You can't use config options without config.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22446
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Chris Lattner [Fri, 15 Jul 2005 22:43:04 +0000 (22:43 +0000)]
Fix PR595: These error messages should not be looking at CGI.Name, they
should be looking at CGI.TheDef->getName().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22445
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John Criswell [Fri, 15 Jul 2005 19:25:12 +0000 (19:25 +0000)]
Fixed some punctuation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22443
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Nate Begeman [Fri, 15 Jul 2005 00:38:55 +0000 (00:38 +0000)]
Get closer to fully working scalar FP in SSE regs. This gets singlesource
working, and Olden/power.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22441
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Nate Begeman [Thu, 14 Jul 2005 22:52:25 +0000 (22:52 +0000)]
Add support for printing the sse scalar comparison instruction mnemonics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22440
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Nate Begeman [Thu, 14 Jul 2005 22:50:30 +0000 (22:50 +0000)]
Add support for a TODO; instructions in .td files can now have arguments
printed as part of the opcode. This allows something like
cmp${cc}ss in the x86 backed to be printed as cmpltss, cmpless, etc.
depending on what the value of $cc is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22439
91177308-0d34-0410-b5e6-
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John Criswell [Thu, 14 Jul 2005 19:56:03 +0000 (19:56 +0000)]
Regression test for PR#596: Make sure that negation of a minus doesn't
turn into a C predecrement operator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22438
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John Criswell [Thu, 14 Jul 2005 19:41:16 +0000 (19:41 +0000)]
Fixed PR#596:
Add parenthesis around the value being negated; that way, if the value
begins with a minus sign (e.g. negative integer), we won't generate a
C predecrement operator by mistake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22437
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 14 Jul 2005 05:33:13 +0000 (05:33 +0000)]
Make this use the new autoconf support for finding the executables for
gv and Graphviz.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22434
91177308-0d34-0410-b5e6-
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Reid Spencer [Thu, 14 Jul 2005 05:19:12 +0000 (05:19 +0000)]
* Correct the AC_DEFINE for LLVM_PATH_GRAPHVIZ to use AC_DEFINE_UNQUOTED so
we actually get the path and not $GRAPHVIZ as the value.
* Add a #define for the gv program (HAVE_GV) and its value LLVM_PATH_GV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22433
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Chris Lattner [Thu, 14 Jul 2005 05:17:43 +0000 (05:17 +0000)]
As discussed on IRC, this stuff is just for debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22432
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Reid Spencer [Thu, 14 Jul 2005 02:25:12 +0000 (02:25 +0000)]
Put the path to the Graphviz program in the #defines so it can be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22430
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Chris Lattner [Thu, 14 Jul 2005 01:10:55 +0000 (01:10 +0000)]
If the Graphviz program is available, use it to visualize dot graphs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22429
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Reid Spencer [Wed, 13 Jul 2005 23:20:24 +0000 (23:20 +0000)]
Get rid of warnings on Alpha
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22428
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Reid Spencer [Wed, 13 Jul 2005 03:20:14 +0000 (03:20 +0000)]
Implement a test for the Graphviz program for Chris Lattner. The symbol
GRAPHVIZ will contain the path to the program if its found (or "echo Graphviz"
if not) and the #define HAVE_GRAPHVIZ will be defined if its found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22424
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Reid Spencer [Wed, 13 Jul 2005 03:02:06 +0000 (03:02 +0000)]
Don't call pthread_mutexattr_setpshared on FreeBSD because its implementation
of pthreads is missing that call (despite it violating the spec).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22423
91177308-0d34-0410-b5e6-
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Jeff Cohen [Wed, 13 Jul 2005 02:58:04 +0000 (02:58 +0000)]
Note to self: don't introduce memory leaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22422
91177308-0d34-0410-b5e6-
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Jeff Cohen [Wed, 13 Jul 2005 02:19:59 +0000 (02:19 +0000)]
Eliminate tabs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22421
91177308-0d34-0410-b5e6-
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Jeff Cohen [Wed, 13 Jul 2005 02:15:18 +0000 (02:15 +0000)]
Win32 support for Mutex class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22420
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 13 Jul 2005 02:00:04 +0000 (02:00 +0000)]
Fix Alpha/2005-07-12-TwoMallocCalls.ll and PR593.
It is not safe to call LegalizeOp on something that has already been legalized.
Instead, just force another iteration of legalization.
This could affect all platforms but X86, as this codepath is dynamically
dead on X86 (ISD::MEMSET and friends are legal).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22419
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Chris Lattner [Wed, 13 Jul 2005 01:57:39 +0000 (01:57 +0000)]
new testcase for PR593
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22418
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 13 Jul 2005 01:42:45 +0000 (01:42 +0000)]
Fix test/Regression/CodeGen/Generic/2005-07-12-memcpy-i64-length.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22417
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Chris Lattner [Wed, 13 Jul 2005 01:42:03 +0000 (01:42 +0000)]
new testcase that crashes llc on x86/ppc. Not generated by C/C++ or LLVM
though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22416
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Reid Spencer [Wed, 13 Jul 2005 00:35:12 +0000 (00:35 +0000)]
Add a test that runs the ParallelJIT example program to ensure that the
JIT can run against a multi-threaded program without getting its data
structures messed up. Also had to add the examples directory to the path
for the tests so that ParallelJIT can be found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22415
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 22:00:29 +0000 (22:00 +0000)]
Correct the file title.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22414
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 21:51:33 +0000 (21:51 +0000)]
For PR418:
Add an example program that utilizes multiple threads in the JIT to process
work. This was used by Evan Jones as the original test case for ensuring
that the ExecutionEngine was thread safe.
Original source by Evan Jones (adapted from other LLVM JIT examples) and
made LLVM style compliant by Reid Spencer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22411
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Nate Begeman [Tue, 12 Jul 2005 18:34:58 +0000 (18:34 +0000)]
Check in the last of the darwin-specific code necessary to get shootout
working before modifying the asm printer to use the subtarget info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22408
91177308-0d34-0410-b5e6-
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Nate Begeman [Tue, 12 Jul 2005 18:34:15 +0000 (18:34 +0000)]
Remove some code that moved to the generic asm printer a long time ago.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22407
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 16:36:24 +0000 (16:36 +0000)]
Update release notes regarding thread-safe JIT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22405
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 15:51:55 +0000 (15:51 +0000)]
For PR540:
This patch completes the changes for making lli thread-safe. Here's the list
of changes:
* The Support/ThreadSupport* files were removed and replaced with the
MutexGuard.h file since all ThreadSupport* declared was a Mutex Guard.
The implementation of MutexGuard.h is now based on sys::Mutex which hides
its implementation and makes it unnecessary to have the -NoSupport.h and
-PThreads.h versions of ThreadSupport.
* All places in ExecutionEngine that previously referred to "Mutex" now
refer to sys::Mutex
* All places in ExecutionEngine that previously referred to "MutexLocker"
now refer to MutexGuard (this is frivolous but I believe the technically
correct name for such a class is "Guard" not a "Locker").
These changes passed all of llvm-test. All we need now are some test cases
that actually use multiple threads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22404
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Reid Spencer [Tue, 12 Jul 2005 15:37:43 +0000 (15:37 +0000)]
For PR540:
Add a Mutex class for thread synchronization in a platform-independent way.
The current implementation only supports pthreads. Win32 use of Critical
Sections will be added later. The design permits other threading models to
be used if (and only if) pthreads is not available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22403
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 15:24:20 +0000 (15:24 +0000)]
For PR540:
* Add check for pthread.h
* Make sure -lpthread gets added to LIBS if its available
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22402
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 12 Jul 2005 07:19:13 +0000 (07:19 +0000)]
In support of PR418:
Make sure that -lpthread gets added to LIBS variable which puts it at the
end of the tools' link commands, if libpthread.a is found.
Add a test for pthread.h so we can use #ifdef HAVE_PTHREAD_H
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22401
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Chris Lattner [Tue, 12 Jul 2005 06:57:52 +0000 (06:57 +0000)]
Add support for 64-bit elf files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22400
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Chris Lattner [Tue, 12 Jul 2005 06:57:26 +0000 (06:57 +0000)]
Add support for emitting 64-bit integers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22399
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Chris Lattner [Tue, 12 Jul 2005 06:40:29 +0000 (06:40 +0000)]
Add some apparently undocumented ELF section header flags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22398
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Andrew Lenharth [Tue, 12 Jul 2005 04:20:52 +0000 (04:20 +0000)]
Fix povray and minor cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22397
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Nate Begeman [Tue, 12 Jul 2005 03:04:49 +0000 (03:04 +0000)]
Clean up and add comments to the newly implemented subtarget code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22396
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Jeff Cohen [Tue, 12 Jul 2005 03:00:20 +0000 (03:00 +0000)]
Add new files to Visual Studio projects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22395
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Jeff Cohen [Tue, 12 Jul 2005 02:59:38 +0000 (02:59 +0000)]
I don't know how this ever compiled with gcc, but VC++ correctly rejects it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22394
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Jeff Cohen [Tue, 12 Jul 2005 02:53:33 +0000 (02:53 +0000)]
VC++ demands that the function returns a value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22393
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Nate Begeman [Tue, 12 Jul 2005 02:41:19 +0000 (02:41 +0000)]
Clean up the TargetSubtarget class a bit, removing an unnecessary argument
to the constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22392
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Chris Lattner [Tue, 12 Jul 2005 02:36:10 +0000 (02:36 +0000)]
Minor changes to improve comments and fix the build on _WIN32 systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22391
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Chris Lattner [Tue, 12 Jul 2005 02:35:36 +0000 (02:35 +0000)]
Add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22390
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Nate Begeman [Tue, 12 Jul 2005 01:41:54 +0000 (01:41 +0000)]
Implement Subtarget support
Implement the X86 Subtarget.
This consolidates the checks for target triple, and setting options based
on target triple into one place. This allows us to convert the asm printer
and isel over from being littered with "forDarwin", "forCygwin", etc. into
just having the appropriate flags for each subtarget feature controlling
the code for that feature.
This patch also implements indirect external and weak references in the
X86 pattern isel, for darwin. Next up is to convert over the asm printers
to use this new interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22389
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Nate Begeman [Tue, 12 Jul 2005 01:37:28 +0000 (01:37 +0000)]
Commit some pending darwin changes before subtarget support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22388
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Chris Lattner [Tue, 12 Jul 2005 01:00:32 +0000 (01:00 +0000)]
Fix PR576.
Instead of emitting a JIT stub that looks like this:
internal void %l1_main_entry_2E_ce_wrapper(int) {
header:
%resolver = call sbyte* %getPointerToNamedFunction( sbyte* getelementptr ([20 x sbyte]* %l1_main_entry_2E_ce_name, int 0, int 0) ) ; <sbyte*> [#uses=1]
%resolverCast = cast sbyte* %resolver to void (int)* ; <void (int)*> [#uses=1]
call void %resolverCast( int %0 )
ret void
}
Emit one that looks like this:
internal void %l1_main_entry_2E_ce_wrapper(int) {
Entry:
%fpcache = load void (int)** %l1_main_entry_2E_ce.fpcache ; <void (int)*> [#uses=2]
%isNull = seteq void (int)* %fpcache, null ; <bool> [#uses=1]
br bool %isNull, label %lookupfp, label %usecache
usecache: ; preds = %lookupfp, %Entry
%fp = phi void (int)* [ %resolverCast, %lookupfp ], [ %fpcache, %Entry ] ; <void (int)*> [#uses=1]
call void %fp( int %0 )
ret void
lookupfp: ; preds = %Entry
%resolver = call sbyte* %getPointerToNamedFunction( sbyte* getelementptr ([20 x sbyte]* %l1_main_entry_2E_ce_name, int 0, int 0) ) ; <sbyte*> [#uses=1]
%resolverCast = cast sbyte* %resolver to void (int)* ; <void (int)*> [#uses=2]
store void (int)* %resolverCast, void (int)** %l1_main_entry_2E_ce.fpcache
br label %usecache
}
This makes the JIT debugger *MUCH* faster on large programs, as
getPointerToNamedFunction takes time linear with the size of the program, and
before we would call it every time a function in the text module was called from
the safe module (ouch!).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22387
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Chris Lattner [Tue, 12 Jul 2005 00:20:49 +0000 (00:20 +0000)]
add a note so I can remember the common t-t's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22386
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Chris Lattner [Mon, 11 Jul 2005 22:46:18 +0000 (22:46 +0000)]
fix a warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22385
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Andrew Lenharth [Mon, 11 Jul 2005 20:35:20 +0000 (20:35 +0000)]
Remove glibc specific functions, and mark a couple as C99
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22384
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Andrew Lenharth [Mon, 11 Jul 2005 17:41:12 +0000 (17:41 +0000)]
because on alpha:
# define errno (*__errno_location ())
*shakes head
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22383
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Chris Lattner [Mon, 11 Jul 2005 06:34:30 +0000 (06:34 +0000)]
Clean up code, no functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22382
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Chris Lattner [Mon, 11 Jul 2005 06:29:14 +0000 (06:29 +0000)]
Output .size directives to tell the assembler the size of each function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22381
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Chris Lattner [Mon, 11 Jul 2005 06:25:47 +0000 (06:25 +0000)]
Fix crazy indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22380
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Chris Lattner [Mon, 11 Jul 2005 06:25:34 +0000 (06:25 +0000)]
convert dos newlines to unix. No other changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22379
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Chris Lattner [Mon, 11 Jul 2005 06:17:35 +0000 (06:17 +0000)]
Emit a symbol table entry for each function we output to the ELF file. This
allows objdump to know which function we are emitting to:
00000000 <foo>: <----
0: b8 01 00 00 00 mov $0x1,%eax
5: 03 44 24 04 add 0x4(%esp,1),%eax
9: c3 ret
... and allows .o files to be useful for linking :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22378
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Chris Lattner [Mon, 11 Jul 2005 06:16:24 +0000 (06:16 +0000)]
The symbol table just needs a const GlobalValue*, not a non-const one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22377
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Chris Lattner [Mon, 11 Jul 2005 05:17:48 +0000 (05:17 +0000)]
Refactor things a bit to allow the ELF code emitter to run the X86 machine code emitter
after itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22376
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Chris Lattner [Mon, 11 Jul 2005 05:17:18 +0000 (05:17 +0000)]
add code to emit the .text section to the section header.
Add a *VERY INITIAL* machine code emitter class. This is enough to take
this C function:
int foo(int X) { return X +1; }
and make objdump produce the following:
$ objdump -d t-llvm.o
t-llvm.o: file format elf32-i386
Disassembly of section .text:
00000000 <.text>:
0: b8 01 00 00 00 mov $0x1,%eax
5: 03 44 24 04 add 0x4(%esp,1),%eax
9: c3 ret
Anything using branches or refering to the constant pool or requiring
relocations will not work yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22375
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Chris Lattner [Mon, 11 Jul 2005 05:15:32 +0000 (05:15 +0000)]
expose a new code emitter object
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22374
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Chris Lattner [Mon, 11 Jul 2005 04:49:33 +0000 (04:49 +0000)]
add a helper method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22373
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Chris Lattner [Mon, 11 Jul 2005 04:20:55 +0000 (04:20 +0000)]
Remove prototype for non-existant function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22372
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Chris Lattner [Mon, 11 Jul 2005 03:11:47 +0000 (03:11 +0000)]
Use a name mangler object to uniquify names and remove nonstandard
characters from them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22371
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Chris Lattner [Mon, 11 Jul 2005 03:11:10 +0000 (03:11 +0000)]
add a name mangler object
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22370
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Chris Lattner [Mon, 11 Jul 2005 02:49:16 +0000 (02:49 +0000)]
fix long lines
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22369
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Chris Lattner [Sun, 10 Jul 2005 01:56:13 +0000 (01:56 +0000)]
Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode.
This is the last MVTSDNode.
This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.
Also, remove some uses of dyn_cast that should really be cast (which is
cheaper in a release build).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22368
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Chris Lattner [Sun, 10 Jul 2005 01:55:33 +0000 (01:55 +0000)]
Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode.
This is the last MVTSDNode.
This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22367
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Chris Lattner [Sun, 10 Jul 2005 00:29:18 +0000 (00:29 +0000)]
Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22366
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Chris Lattner [Sun, 10 Jul 2005 00:28:25 +0000 (00:28 +0000)]
Move TRUNCSTORE to using a VTSDNode operand instead of being a MVTSDNode.
Also update some comments that Andrew forgot to update when he changed
loads/stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22365
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Chris Lattner [Sun, 10 Jul 2005 00:07:11 +0000 (00:07 +0000)]
Introduce a new VTSDNode class with the ultimate goal of eliminating the
MVTSDNode class. This class is used to provide an operand to operators
that require an extra type. We start by converting FP_ROUND_INREG and
SIGN_EXTEND_INREG over to using it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22364
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Jeff Cohen [Sat, 9 Jul 2005 18:42:49 +0000 (18:42 +0000)]
Fix bugs also fixed in Unix version, plus other general cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22363
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