oota-llvm.git
12 years agoDifferentially encode all MC register lists.
Jakob Stoklund Olesen [Wed, 25 Jul 2012 21:41:37 +0000 (21:41 +0000)]
Differentially encode all MC register lists.

This simplifies MCRegisterInfo and shrinks the target descriptions a bit
more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160758 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoIt's not safe to blindly remove invoke instructions. This happens when we
Nick Lewycky [Wed, 25 Jul 2012 21:19:40 +0000 (21:19 +0000)]
It's not safe to blindly remove invoke instructions. This happens when we
encounter an invoke of an allocation function. This should fix the dragonegg
bootstrap. Testcase to follow, later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160757 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUpdate testing case for Atom when disabling rematerialization in
Manman Ren [Wed, 25 Jul 2012 20:17:14 +0000 (20:17 +0000)]
Update testing case for Atom when disabling rematerialization in
TwoAddressInstructionPass.

The generated code for Atom has a different code sequence. This is realted
to commit r160749.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160755 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoYou cannot call removeModule on a JIT with no modules. Patch by Verena
Chad Rosier [Wed, 25 Jul 2012 19:06:29 +0000 (19:06 +0000)]
You cannot call removeModule on a JIT with no modules.  Patch by Verena
Beckham <verena@codeplay.com>.  Reviewed by Jim Grosbach.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160753 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agorevert r160742: it's breaking CMake build
Nuno Lopes [Wed, 25 Jul 2012 18:49:28 +0000 (18:49 +0000)]
revert r160742: it's breaking CMake build

original commit msg:
MemoryBuiltins: add support to determine the size of strdup'ed non-constant strings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160751 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDisable rematerialization in TwoAddressInstructionPass.
Manman Ren [Wed, 25 Jul 2012 18:28:13 +0000 (18:28 +0000)]
Disable rematerialization in TwoAddressInstructionPass.

It is redundant; RegisterCoalescer will do the remat if it can't eliminate
the copy. Collected instruction counts before and after this. A few extra
instructions are generated due to spilling but it is normal to see these kinds
of changes with almost any small codegen change, according to Jakob.

This also fixed rdar://11830760 where xor is expected instead of movi0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160749 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't add null characters to the end of the APFloat string buffer.
David Blaikie [Wed, 25 Jul 2012 18:04:24 +0000 (18:04 +0000)]
Don't add null characters to the end of the APFloat string buffer.

Report/patch inspiration by Olaf Krzikalla.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160744 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMemoryBuiltins: add support to determine the size of strdup'ed non-constant strings
Nuno Lopes [Wed, 25 Jul 2012 17:29:22 +0000 (17:29 +0000)]
MemoryBuiltins: add support to determine the size of strdup'ed non-constant strings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160742 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoadd EmitStrNLen()
Nuno Lopes [Wed, 25 Jul 2012 17:18:59 +0000 (17:18 +0000)]
add EmitStrNLen()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160741 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPreserve 2-addr constraints in ConnectedVNInfoEqClasses.
Jakob Stoklund Olesen [Wed, 25 Jul 2012 17:15:15 +0000 (17:15 +0000)]
Preserve 2-addr constraints in ConnectedVNInfoEqClasses.

When a live range splits into multiple connected components, we would
arbitrarily assign <undef> uses to component 0. This is wrong when the
use is tied to a def that gets assigned to a different component:

  %vreg69<def> = ADD8ri %vreg68<undef>, 1

The use and def must get the same virtual register.

Fix this by assigning <undef> uses to the same component as the value
defined by the instruction, if any:

  %vreg69<def> = ADD8ri %vreg69<undef>, 1

This fixes PR13402. The PR has a test case which I am not including
because it is unlikely to keep exposing this behavior in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160739 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoARM: Don't assume an SDNode is a constant.
Jim Grosbach [Wed, 25 Jul 2012 17:02:47 +0000 (17:02 +0000)]
ARM: Don't assume an SDNode is a constant.

Before accessing a node as a ConstandSDNode, make sure it actually is one.
No testcase of non-trivial size.

rdar://11948669

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160735 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoVerify two-address constraints more carefully.
Jakob Stoklund Olesen [Wed, 25 Jul 2012 16:49:11 +0000 (16:49 +0000)]
Verify two-address constraints more carefully.

Include <undef> operands and virtual registers after leaving SSA form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160734 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agomake all Emit*() functions consult the TargetLibraryInfo information before creating...
Nuno Lopes [Wed, 25 Jul 2012 16:46:31 +0000 (16:46 +0000)]
make all Emit*() functions consult the TargetLibraryInfo information before creating a call to a library function.
Update all clients to pass the TLI information around.
Previous draft reviewed by Eli.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160733 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix typos. Thanks to Matt Beaumont-Gay for noticing it.
Rafael Espindola [Wed, 25 Jul 2012 15:42:45 +0000 (15:42 +0000)]
Fix typos. Thanks to Matt Beaumont-Gay for noticing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160731 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTwine: fix link to source, add link to class doc and container section.
Axel Naumann [Wed, 25 Jul 2012 13:46:11 +0000 (13:46 +0000)]
Twine: fix link to source, add link to class doc and container section.
80 char lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160726 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoWhen a return struct pointer is passed in registers, the called has nothing
Rafael Espindola [Wed, 25 Jul 2012 13:41:10 +0000 (13:41 +0000)]
When a return struct pointer is passed in registers, the called has nothing
to pop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160725 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFactor a long list of conditions into a predicate function. No functionality
Rafael Espindola [Wed, 25 Jul 2012 13:35:45 +0000 (13:35 +0000)]
Factor a long list of conditions into a predicate function. No functionality
change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160724 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't perform an overaligned load in this test, since that's undefined
Duncan Sands [Wed, 25 Jul 2012 09:45:37 +0000 (09:45 +0000)]
Don't perform an overaligned load in this test, since that's undefined
behaviour that might be exploited one day.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160714 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoWhen folding a load from a global constant, if the load started in the middle
Duncan Sands [Wed, 25 Jul 2012 09:14:54 +0000 (09:14 +0000)]
When folding a load from a global constant, if the load started in the middle
of an array element (rather than at the beginning of the element) and extended
into the next element, then the load from the second element was being handled
wrong due to incorrect updating of the notion of which byte to load next.  This
fixes PR13442.  Thanks to Chris Smowton for reporting the problem, analyzing it
and providing a fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160711 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoEliminate the stack slot used to save the global base register.
Akira Hatanaka [Wed, 25 Jul 2012 03:16:47 +0000 (03:16 +0000)]
Eliminate the stack slot used to save the global base register.

The long branch pass (fixed in r160601) no longer uses the global base register
to compute addresses of branch destinations, so it is not necessary to reserve
a slot on the stack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160703 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd a cpu to the test. Should fix the atom bot.
Rafael Espindola [Tue, 24 Jul 2012 22:56:06 +0000 (22:56 +0000)]
Add a cpu to the test. Should fix the atom bot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160701 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd a triple to the test.
Rafael Espindola [Tue, 24 Jul 2012 21:55:04 +0000 (21:55 +0000)]
Add a triple to the test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160698 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoIn order to correctly compile
Rafael Espindola [Tue, 24 Jul 2012 21:40:17 +0000 (21:40 +0000)]
In order to correctly compile

struct s {
  double x1;
  float x2;
};
__attribute__((regparm(3))) struct s f(int a, int b, int c);
void g(void) {
  f(41, 42, 43);
}

We need to be able to represent passing the address of s to f (sret) in a
register (inreg). Turns out that all that is needed is to not mark them as
mutually incompatible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160695 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a bug in the x86 disassembler's symbolic disassembly support for Jcc-Jump
Kevin Enderby [Tue, 24 Jul 2012 21:40:01 +0000 (21:40 +0000)]
Fix a bug in the x86 disassembler's symbolic disassembly support for Jcc-Jump
if Condition Is Met instuctions that was not correctly determining the target
instruction.

So for a jne rel32 instruction:

% cat x.s
.byte 0x0f, 0x85, 0x09, 0x00, 0x00, 0x00
% as x.s

it was incorrectly deterining the target:

% otool -q -tv a.out
a.out:
(__TEXT,__text) section
0000000000000000 jne 0xd

and with the fix it gets this correct as:

% otool -q -tv a.out
a.out:
(__TEXT,__text) section
0000000000000000 jne 0xf

rdar://11505997

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160694 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't delete one more instruction than we're allowed to. This should fix the
Nick Lewycky [Tue, 24 Jul 2012 21:33:00 +0000 (21:33 +0000)]
Don't delete one more instruction than we're allowed to. This should fix the
Darwin bootstrap. Testcase exists but isn't fully reduced, I expect to commit
the testcase this evening.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160693 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[Object] Remove unneeded const_cast.
Michael J. Spencer [Tue, 24 Jul 2012 21:07:56 +0000 (21:07 +0000)]
[Object] Remove unneeded const_cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160692 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoadd a few more functions to TargetLibraryInfo:
Nuno Lopes [Tue, 24 Jul 2012 21:00:36 +0000 (21:00 +0000)]
add a few more functions to TargetLibraryInfo:
fputc, memchr, memcmp, putchar, puts, strchr, strncmp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160690 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoELF does not imply GNU/Linux. Do not assume GNU conventions just because we
David Chisnall [Tue, 24 Jul 2012 20:04:16 +0000 (20:04 +0000)]
ELF does not imply GNU/Linux.  Do not assume GNU conventions just because we
are targeting an ELF platform.  Only fold gs-relative (and fs-relative) loads
if it is actually sensible to do so for the target platform.

This fixes PR13438.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160687 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd new interfaces to support ldd's ReaderElf.cpp.
Anshuman Dasgupta [Tue, 24 Jul 2012 19:48:24 +0000 (19:48 +0000)]
Add new interfaces to support ldd's ReaderElf.cpp.

Patch by Sid Manning!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160685 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTargetLibraryInfo: add strn?cat, strn?cpy, and strn?len
Nuno Lopes [Tue, 24 Jul 2012 17:25:06 +0000 (17:25 +0000)]
TargetLibraryInfo: add strn?cat, strn?cpy, and strn?len

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160678 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoteach objectsize about strdup() and strndup()
Nuno Lopes [Tue, 24 Jul 2012 16:28:13 +0000 (16:28 +0000)]
teach objectsize about strdup() and strndup()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160676 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoClean whitespaces.
Nadav Rotem [Tue, 24 Jul 2012 10:51:42 +0000 (10:51 +0000)]
Clean whitespaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160668 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTeach globalopt to not nuke all stores to globals. Keep them around of they
Nick Lewycky [Tue, 24 Jul 2012 07:21:08 +0000 (07:21 +0000)]
Teach globalopt to not nuke all stores to globals. Keep them around of they
might be deliberate "one time" leaks, so that leak checkers can find them.
This is a reapply of r160602 with the fix that this time I'm committing the
code I thought I was committing last time; the I->eraseFromParent() goes
*after* the break out of the loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160664 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoChange llvm_unreachable in SplitVectorOperand to report_fatal_error. Keeps release...
Craig Topper [Tue, 24 Jul 2012 04:11:21 +0000 (04:11 +0000)]
Change llvm_unreachable in SplitVectorOperand to report_fatal_error. Keeps release builds from crashing if code uses an intrinsic with an illegal type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160661 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix function MipsCodeEmitter::emitExternalSymbolAddress to pass test
Akira Hatanaka [Tue, 24 Jul 2012 00:08:26 +0000 (00:08 +0000)]
Fix function MipsCodeEmitter::emitExternalSymbolAddress to pass test
ExecutionEngine/test-fp.ll.

Patch by Petar Jovanovic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160653 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd basic ability to setup call frame, and make procedure calls.
Akira Hatanaka [Mon, 23 Jul 2012 23:45:54 +0000 (23:45 +0000)]
Add basic ability to setup call frame, and make procedure calls.
Hello world will compile and execute with this patch.

Patch by Reed Kotler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160651 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a "Bad fd number" error on some platforms due to a less portable
Eric Christopher [Mon, 23 Jul 2012 20:54:17 +0000 (20:54 +0000)]
Fix a "Bad fd number" error on some platforms due to a less portable
redirection in the system call.

Patch by Andy Gibbs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160644 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agomake ConstantRange::zeroExtend() optimal
Nuno Lopes [Mon, 23 Jul 2012 20:33:29 +0000 (20:33 +0000)]
make ConstantRange::zeroExtend() optimal

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160643 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd operator== to APSInt. This will compare the signed bit before doing
Richard Trieu [Mon, 23 Jul 2012 20:24:23 +0000 (20:24 +0000)]
Add operator== to APSInt.  This will compare the signed bit before doing
the comparison.  This prevents large unsigned integers from being equal to
signed negative integers of the same bit width.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160642 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAn objc_retain can serve as a may-use for a different pointer.
Dan Gohman [Mon, 23 Jul 2012 19:27:31 +0000 (19:27 +0000)]
An objc_retain can serve as a may-use for a different pointer.
rdar://11931823.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160637 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd comment for relocations MO_HIGHER and HIGHEST in MipsBaseInfo.h.
Akira Hatanaka [Mon, 23 Jul 2012 19:19:20 +0000 (19:19 +0000)]
Add comment for relocations MO_HIGHER and HIGHEST in MipsBaseInfo.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160636 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTest revert of test changes.
Micah Villmow [Mon, 23 Jul 2012 16:42:45 +0000 (16:42 +0000)]
Test revert of test changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160632 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTest commit.
Micah Villmow [Mon, 23 Jul 2012 16:37:24 +0000 (16:37 +0000)]
Test commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160631 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSuppress a warning.
Nadav Rotem [Mon, 23 Jul 2012 13:44:15 +0000 (13:44 +0000)]
Suppress a warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160629 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDoxygenify the comments of ISD nodes.
Nadav Rotem [Mon, 23 Jul 2012 09:04:00 +0000 (09:04 +0000)]
Doxygenify the comments of ISD nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160623 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a typo (the the => the)
Sylvestre Ledru [Mon, 23 Jul 2012 08:51:15 +0000 (08:51 +0000)]
Fix a typo (the the => the)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160621 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFixed DAGCombine optimizations which generate select_cc for targets
Nadav Rotem [Mon, 23 Jul 2012 07:59:50 +0000 (07:59 +0000)]
Fixed DAGCombine optimizations which generate select_cc for targets
that do not support it (X86 does not lower select_cc).

PR: 13428

Together with Michael Kuperstein <michael.m.kuperstein@intel.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160619 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTidy up. Fix indentation and remove trailing whitespace.
Craig Topper [Mon, 23 Jul 2012 05:38:07 +0000 (05:38 +0000)]
Tidy up. Fix indentation and remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160617 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoChange llvm_unreachable in SplitVectorResult to report_fatal_error. Keeps release...
Craig Topper [Mon, 23 Jul 2012 04:34:49 +0000 (04:34 +0000)]
Change llvm_unreachable in SplitVectorResult to report_fatal_error. Keeps release builds from crashing if code uses an intrinsic with an illegal type. For instance 256-bit AVX intrinsics without having AVX enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160616 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove the initialization of the bounds checking pass. The pass itself
Chandler Carruth [Sun, 22 Jul 2012 05:19:32 +0000 (05:19 +0000)]
Move the initialization of the bounds checking pass. The pass itself
moved earlier. This fixes some layering issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160611 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoExecutionEngine/TargetSelect.cpp: Override default triple as LLVM_HOSTTRIPLE.
NAKAMURA Takumi [Sun, 22 Jul 2012 03:04:57 +0000 (03:04 +0000)]
ExecutionEngine/TargetSelect.cpp: Override default triple as LLVM_HOSTTRIPLE.

In current implementation, JIT should run only on host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160610 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoautoconf: Re-introduce LLVM_HOSTTRIPLE since r143500, as rework of PR11060.
NAKAMURA Takumi [Sun, 22 Jul 2012 03:04:52 +0000 (03:04 +0000)]
autoconf: Re-introduce LLVM_HOSTTRIPLE since r143500, as rework of PR11060.

cmake: Add LLVM_HOSTTRIPLE. For now, it is same as TARGET_TRIPLE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160609 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert r160602.
Nick Lewycky [Sat, 21 Jul 2012 09:03:15 +0000 (09:03 +0000)]
Revert r160602.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160603 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTeach globalopt to play nice with leak checkers. This is a reapplication of
Nick Lewycky [Sat, 21 Jul 2012 08:29:45 +0000 (08:29 +0000)]
Teach globalopt to play nice with leak checkers. This is a reapplication of
r160529 that was subsequently reverted. The fix was to not call
GV->eraseFromParent() right before the caller does the same. The existing
testcases already caught this bug if run under valgrind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160602 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix Mips long branch pass.
Akira Hatanaka [Sat, 21 Jul 2012 03:30:44 +0000 (03:30 +0000)]
Fix Mips long branch pass.

This pass no longer requires that the global pointer value be saved to the
stack or register since it uses bal instruction to compute branch distance.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160601 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd HIGHER and HIGHEST relocations to Mips backend.
Akira Hatanaka [Sat, 21 Jul 2012 03:09:04 +0000 (03:09 +0000)]
Add HIGHER and HIGHEST relocations to Mips backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160599 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert accidental commit.
Akira Hatanaka [Sat, 21 Jul 2012 02:20:33 +0000 (02:20 +0000)]
Revert accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160598 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind.
Akira Hatanaka [Sat, 21 Jul 2012 02:15:19 +0000 (02:15 +0000)]
Add VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind.

Test case will be added later when long branch patch is checked in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160597 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agobaby steps toward fixing some problems with inbound GEPs that overflow, as discussed...
Nuno Lopes [Fri, 20 Jul 2012 23:07:40 +0000 (23:07 +0000)]
baby steps toward fixing some problems with inbound GEPs that overflow, as discussed 2 months ago or so.
Make sure we do not emit index computations with NSW flags so that we dont get an undef value if the GEP overflows

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160589 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agomove the bounds checking pass to the instrumentation folder, where it belongs. I...
Nuno Lopes [Fri, 20 Jul 2012 22:39:33 +0000 (22:39 +0000)]
move the bounds checking pass to the instrumentation folder, where it belongs. I dunno why in the world I dropped it in the Scalar folder in the first place.
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160587 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove unused private member variables uncovered by the recent changes to clang's...
Benjamin Kramer [Fri, 20 Jul 2012 22:05:57 +0000 (22:05 +0000)]
Remove unused private member variables uncovered by the recent changes to clang's -Wunused-private-field.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160583 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix few warnings.
Galina Kistanova [Fri, 20 Jul 2012 21:30:52 +0000 (21:30 +0000)]
Fix few warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160576 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAvoid folding loads that are unsafe to move.
Jakob Stoklund Olesen [Fri, 20 Jul 2012 21:29:31 +0000 (21:29 +0000)]
Avoid folding loads that are unsafe to move.

LiveRangeEdit::foldAsLoad() can eliminate a register by folding a load
into its only use. Only do that when the load is safe to move, and it
won't extend any live ranges.

This fixes PR13414.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160575 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a dangling StringRef bug in the auto upgrader. In one case, we reset
Chandler Carruth [Fri, 20 Jul 2012 21:09:18 +0000 (21:09 +0000)]
Fix a dangling StringRef bug in the auto upgrader. In one case, we reset
CI's name, and then used the StringRef pointing at its old name. I'm
fixing it by storing the name in a std::string, and hoisting the
renaming logic to happen always. This is nicer anyways as it will allow
the upgraded IR to have the same names as the input IR in more cases.

Another bug found by AddressSanitizer. Woot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160572 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSplit loop exiting edges more aggressively.
Jakob Stoklund Olesen [Fri, 20 Jul 2012 20:49:53 +0000 (20:49 +0000)]
Split loop exiting edges more aggressively.

PHIElimination splits critical edges when it predicts it can resolve
interference and eliminate copies. It doesn't split the edge if the
interference wouldn't be resolved anyway because the phi-use register is
live in the critical edge anyway.

Teach PHIElimination to split loop exiting edges with interference, even
if it wouldn't resolve the interference. This removes the necessary
copies from the loop, which is still an improvement from injecting the
copies into the loop.

The test case demonstrates the improvement. Before:

LBB0_1:
  cmpb  $0, (%rdx)
  leaq  1(%rdx), %rdx
  movl  %esi, %eax
  je  LBB0_1

After:

LBB0_1:
  cmpb  $0, (%rdx)
  leaq  1(%rdx), %rdx
  je  LBB0_1

  movl  %esi, %eax

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160571 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTry to unbreak the windows build.
Benjamin Kramer [Fri, 20 Jul 2012 19:49:33 +0000 (19:49 +0000)]
Try to unbreak the windows build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160567 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSourceMgr: Use has_colors() instead of just is_displayed() before trying to use
Daniel Dunbar [Fri, 20 Jul 2012 18:29:44 +0000 (18:29 +0000)]
SourceMgr: Use has_colors() instead of just is_displayed() before trying to use
color.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160559 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoraw_ostream: Add a has_colors() method.
Daniel Dunbar [Fri, 20 Jul 2012 18:29:41 +0000 (18:29 +0000)]
raw_ostream: Add a has_colors() method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160558 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoProcess: Add sys::Process::FileDescriptorHasColors().
Daniel Dunbar [Fri, 20 Jul 2012 18:29:38 +0000 (18:29 +0000)]
Process: Add sys::Process::FileDescriptorHasColors().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160557 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agolit: Use close_fds=True on UNIX, to avoid file descriptor pollution of
Daniel Dunbar [Fri, 20 Jul 2012 18:29:34 +0000 (18:29 +0000)]
lit: Use close_fds=True on UNIX, to avoid file descriptor pollution of
subprocesses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160556 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix assertion in jump threading (PR13405).
Richard Osborne [Fri, 20 Jul 2012 10:36:17 +0000 (10:36 +0000)]
Fix assertion in jump threading (PR13405).

GetBestDestForJumpOnUndef() assumes there is at least 1 successor, which isn't
true if the block ends in an indirect branch with no successors. Fix this by
bailing out earlier in this case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160546 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[asan] make sure that the crash callbacks do not get merged (Chandler's idea: insert...
Kostya Serebryany [Fri, 20 Jul 2012 09:54:50 +0000 (09:54 +0000)]
[asan] make sure that the crash callbacks do not get merged (Chandler's idea: insert an empty InlineAsm). Change the order in which the new BBs are inserted: the slow path BB is insert between old BBs, the crash BB is inserted at the end. Don't create an empty BB (introduced by recent commits). Update the test. The experimental code that does manual crash callback merge will most likely be deleted later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160544 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't use implicit register operands to calculate L-bit for AVX instructions. Needed...
Craig Topper [Fri, 20 Jul 2012 07:03:46 +0000 (07:03 +0000)]
Don't use implicit register operands to calculate L-bit for AVX instructions. Needed because super reg defs and kills are added as implicit operands on 128-bit instructions. Fixes PR13349. Patch by Jose Fonseca.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160543 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake RegisterOperand a subclass of DAGOperand so that RegisterOperands can be passed...
Owen Anderson [Fri, 20 Jul 2012 03:38:19 +0000 (03:38 +0000)]
Make RegisterOperand a subclass of DAGOperand so that RegisterOperands can be passed into multiclasses that take DAGOperands as multiclass parameters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160540 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert r160529 due to crashes.
Nick Lewycky [Thu, 19 Jul 2012 23:59:21 +0000 (23:59 +0000)]
Revert r160529 due to crashes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160532 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix crash in machine verifier when trying to print the def of a register which has...
Pete Cooper [Thu, 19 Jul 2012 23:40:38 +0000 (23:40 +0000)]
Fix crash in machine verifier when trying to print the def of a register which has no def

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160531 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't wipe out global variables that are probably storing pointers to heap
Nick Lewycky [Thu, 19 Jul 2012 22:35:28 +0000 (22:35 +0000)]
Don't wipe out global variables that are probably storing pointers to heap
memory. This makes clang play nice with leak checkers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160529 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReverting r 160419.
Galina Kistanova [Thu, 19 Jul 2012 21:43:55 +0000 (21:43 +0000)]
Reverting r 160419.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160525 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdds the family codes for the Midview Atom processors so that the
Preston Gurd [Thu, 19 Jul 2012 19:05:37 +0000 (19:05 +0000)]
Adds the family codes for the Midview Atom processors so that the
Atom buildbot will auto-detect Atom.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160521 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix remaining lit tests which were failing when run on an Atom
Preston Gurd [Thu, 19 Jul 2012 18:53:21 +0000 (18:53 +0000)]
Fix remaining lit tests which were failing when run on an Atom
processor.

Patches by Tyler Nowicki, Andy Zhang, and Preston Gurd!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160520 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agodefault to use -mv4 when no version of Hexagon has been specified
Sebastian Pop [Thu, 19 Jul 2012 18:24:50 +0000 (18:24 +0000)]
default to use -mv4 when no version of Hexagon has been specified

This fixes a bunch of make check failures of the form:

Unknown Architecture Version.
UNREACHABLE executed at ../lib/Target/Hexagon/HexagonSubtarget.cpp:60!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160518 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoreimplement truncate() to make it optimal.
Nuno Lopes [Thu, 19 Jul 2012 16:27:45 +0000 (16:27 +0000)]
reimplement truncate() to make it optimal.
It is optimal at least up to 7 bits (I've tested all such cases)
This change to truncate() allows a little simplification to the multiplication code,
and it also makes multiplication optimal :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160512 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPull the simple parts of DenseMapInfo<DebugLoc> inline and prune includes.
Benjamin Kramer [Thu, 19 Jul 2012 15:00:34 +0000 (15:00 +0000)]
Pull the simple parts of DenseMapInfo<DebugLoc> inline and prune includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160507 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agotest/DebugInfo/dwarfdump-test.test: Tweak expressions for Win32 to match backslashes...
NAKAMURA Takumi [Thu, 19 Jul 2012 13:40:09 +0000 (13:40 +0000)]
test/DebugInfo/dwarfdump-test.test: Tweak expressions for Win32 to match backslashes. They are still odd, though.

For example, Paths are printed on Win32 as below;

/tmp/dbginfo\def2.cc:4:0
/tmp/dbginfo\include\decl2.h:1:0
/tmp/include\decl.h:5:0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160505 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReplace some explicit compare loops with std::equal.
Benjamin Kramer [Thu, 19 Jul 2012 10:46:05 +0000 (10:46 +0000)]
Replace some explicit compare loops with std::equal.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160501 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[arm-fast-isel] Add support for vararg function calls.
Jush Lu [Thu, 19 Jul 2012 09:49:00 +0000 (09:49 +0000)]
[arm-fast-isel] Add support for vararg function calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160500 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDebugInfo library: add support for fetching absolute paths to source files
Alexey Samsonov [Thu, 19 Jul 2012 07:03:58 +0000 (07:03 +0000)]
DebugInfo library: add support for fetching absolute paths to source files
(instead of basenames) from DWARF. Use this behavior in llvm-dwarfdump tool.

Reviewed by Benjamin Kramer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160496 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFixed few warnings.
Galina Kistanova [Thu, 19 Jul 2012 04:50:12 +0000 (04:50 +0000)]
Fixed few warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160493 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:25:04 +0000 (00:25 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160483 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:23:13 +0000 (00:23 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160482 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:17:40 +0000 (00:17 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160480 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:15:11 +0000 (00:15 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160479 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTweak prose.
Chad Rosier [Thu, 19 Jul 2012 00:11:45 +0000 (00:11 +0000)]
Tweak prose.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160478 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:11:40 +0000 (00:11 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160477 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:06:06 +0000 (00:06 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160476 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:04:14 +0000 (00:04 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160475 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:01:33 +0000 (00:01 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160473 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Thu, 19 Jul 2012 00:01:00 +0000 (00:01 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160472 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tabs.
Bill Wendling [Wed, 18 Jul 2012 23:58:37 +0000 (23:58 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160471 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove around some enum elements so that lastMRM corrects gets assigned 56, which
Richard Trieu [Wed, 18 Jul 2012 23:04:22 +0000 (23:04 +0000)]
Move around some enum elements so that lastMRM corrects gets assigned 56, which
is one more that MRM_DF which is 55.  Previously, it held value 45, the same
as MRM_D0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160465 91177308-0d34-0410-b5e6-96231b3b80d8