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443 Commits

Author SHA1 Message Date
Benjamin Kramer
d9103df51b Add an argument to APInt's magic udiv calculation to specify the number of bits that are known zero in the divided number. 
This will come in handy soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127828 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 20:39:06 +00:00
Oscar Fuentes
9bf9aa5106 Fixes warnings emitted by Visual Studio 2010 compiler. 
Patch by Erik Olofsson!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126796 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-01 23:11:57 +00:00
Duncan Sands
b4098ba03d Simplify RecursivelyDeleteDeadPHINode. The only functionality change 
should be that if the phi is used by a side-effect free instruction with
no uses then the phi and the instruction now get zapped (checked by the
unittest).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-21 16:27:36 +00:00
Cameron Zwarich
8d7285d0e5 The signed version of our "magic number" computation for the integer approximation 
of a constant had a minor typo introduced when copying it from the book, which
caused it to favor negative approximations over positive approximations in many
cases. Positive approximations require fewer operations beyond the multiplication.

In the case of division by 3, we still generate code that is a single instruction
larger than GCC's code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-21 00:22:02 +00:00
Oscar Fuentes
0b85d07d46 Put targets on folders, if the IDE supports the feature. 
Requires CMake 2.8.3 or newer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126092 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 22:06:10 +00:00
Nick Lewycky
eff5e69c82 Make RecursivelyDeleteDeadPHINode delete a phi node that has no users and add a 
test for that. With this change, test/CodeGen/X86/codegen-dce.ll no longer finds
any instructions to DCE, so delete the test.

Also renamed J and JP to I and IP in RecursivelyDeleteDeadPHINode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126088 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 18:05:56 +00:00
Nick Lewycky
1a4021a2be Teach RecursivelyDeleteDeadPHINodes to handle multiple self-references. Patch 
by Andrew Clinton!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126077 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 08:38:20 +00:00
Zhanyong Wan
63cc3a85cc Adds llvm::sys::path::is_separator() to test whether a char is a path separator 
on the host OS.  Reviewed by dgregor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125406 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 21:24:40 +00:00
Daniel Dunbar
5e342ecc19 build: Add MAKEFILE_UNITTEST_NO_INCLUDE_COMMON build variable, to be leveraged 
by Clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-04 17:12:18 +00:00
Duncan Sands
ee64684710 Part of this test is invariant inside the inner loop - move it outside 
the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124784 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-03 08:14:04 +00:00
Duncan Sands
ae200c60c3 Remove NoVendor and NoOS, added in commit 123990, from Triple. While it 
may be useful to understand "none", this is not the place for it.  Tweak
the fix to Normalize while there: the fix added in 123990 works correctly,
but I like this way better.  Finally, now that Triple understands some
non-trivial environment values, teach the unittests about them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124720 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 10:08:38 +00:00
Chris Lattner
b3371cdf5e Don't infinitely recurse! Patch by Marius Wachtler! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 07:35:27 +00:00
Renato Golin
859f818363 Clang was not parsing target triples involving EABI and was generating wrong IR (wrong PCS) and passing the wrong information down llc via the target-triple printed in IR. I've fixed this by adding the parsing of EABI into LLVM's Triple class and using it to choose the correct PCS in Clang's Tools. A Clang patch is on its way to use this infrastructure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123990 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-21 18:25:47 +00:00
Michael J. Spencer
248f9f2807 Unittests/Support/Path: Tweak test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-15 18:52:49 +00:00
Rafael Espindola
ba7c38c36a Allow unnamed_addr on declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123529 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-15 08:15:00 +00:00
Oscar Fuentes
3bf2279411 Disable RTTI when building unit tests. This avoids errors at link time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123377 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 15:31:45 +00:00
Rafael Espindola
d72479c2f0 Reject uses of unnamed_addr in declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123358 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 01:30:30 +00:00
Rafael Espindola
bea4626f93 First step in fixing PR8927: 
Add a unnamed_addr bit to global variables and functions. This will be used
to indicate that the address is not significant and therefore the constant
or function can be merged with others.

If an optimization pass can show that an address is not used, it can set this.

Examples of things that can have this set by the FE are globals created to
hold string literals and C++ constructors.

Adding unnamed_addr to a non-const global should have no effect unless
an optimization can transform that global into a constant.

Aliases are not allowed to have unnamed_addr since I couldn't figure
out any use for it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 16:42:36 +00:00
Jay Foad
43eaadeea5 Remove the "ugly" method BranchInst::setUnconditionalDest(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 20:26:51 +00:00
Michael J. Spencer
238589ebf5 UnitTests/Path: Add magical tests. This will also test identify_magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122948 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 05:58:02 +00:00
Michael J. Spencer
f9fd07864e UnitTests/Path: More ASSERT_NO_ERROR cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122947 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 05:57:54 +00:00
Michael J. Spencer
f94f7325ad UnitTests/Path: Fix typo, add error number, and enable the directory cleanup code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 16:39:46 +00:00
Michael J. Spencer
2558516859 UnitTests/PathV2: Setup a test fixture to make tracking created file system 
entities easier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 16:39:05 +00:00
Michael J. Spencer
da7c1cab8c Support/PathV2: Implement directory iteration on POSIX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122879 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 16:38:57 +00:00
Michael J. Spencer
ba64b9706a UnitTests/Path: Produce useful diagnostics on error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122812 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 17:00:18 +00:00
Chris Lattner
e562dba845 fix PR8867: a crash handling fp128. Thanks to Nick for the testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 01:33:36 +00:00
Jeffrey Yasskin
8e68c38735 Change all self assignments X=X to (void)X, so that we can turn on a 
new gcc warning that complains on self-assignments and
self-initializations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-23 00:58:24 +00:00
Jakob Stoklund Olesen
2a6899c539 Add ADT/IntEqClasses.h as a light-weight implementation of EquivalenceClasses.h. 
This implementation already exists as ConnectedVNInfoEqClasses in
LiveInterval.cpp, and it seems to be generally useful to have a light-weight way
of forming equivalence classes of small integers.

IntEqClasses doesn't allow enumeration of the elements in a class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 00:04:46 +00:00
Jakob Stoklund Olesen
d715e07efe Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees 
monotonic keys.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 22:07:54 +00:00
Jakob Stoklund Olesen
5049ee5b11 It is allowed to call IntervalMap::const_iterator::advanceTo() with a key that 
moves the iterator to end(), and it is valid to call it on end().

That means it is valid to call advanceTo() with any monotonic key sequence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 22:07:51 +00:00
Jakob Stoklund Olesen
4aec85ae01 Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 19:18:38 +00:00
Jakob Stoklund Olesen
90675c882d Complete tests for IntervalMapOverlaps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122019 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:31:49 +00:00
Jakob Stoklund Olesen
460ee0fd19 Add basic test exposing many bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 19:46:09 +00:00
Michael J. Spencer
5029159fbe Support/PathV2: Change most functions in the path namespace to return their work 
via their return value instead of an out parameter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 17:04:04 +00:00
Frits van Bommel
729b2949d7 CMake: Fix warning in gtest header used by unit tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 10:22:07 +00:00
Jay Foad
40f8f6264d PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 08:25:19 +00:00
NAKAMURA Takumi
b3d37e3097 unittests/CMakeLists.txt: Tweak unittests' layout to be identical to GNU build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 07:41:23 +00:00
Michael J. Spencer
936671b2ea Support/PathV2: Remove the error_code return type from all functions in the path 
namespace. None of them return anything except for success anyway. These will be
converted to returning their result soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:57:37 +00:00
Michael J. Spencer
ee271d8758 Support/PathV2: Move make_absolute from path to fs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:57:17 +00:00
Michael J. Spencer
753cbbbd3c Support/FileSystem: Add directory_iterator implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120989 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 04:28:42 +00:00
Michael J. Spencer
9ad8221bcb Unittests/Support/PathV2: Add FileSystem tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 03:18:42 +00:00
Jakob Stoklund Olesen
7a26aca73f Add IntervalMap::iterator::set{Start,Stop,Value} methods that allow limited 
editing of the current interval.

These methods may cause coalescing, there are corresponding set*Unchecked
methods for editing without coalescing. The non-coalescing methods are useful
for applying monotonic transforms to all keys or values in a map without
accidentally coalescing transformed and untransformed intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120829 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 19:02:00 +00:00
Michael J. Spencer
106aa731bf Support/FileSystem: Add remove implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 17:53:43 +00:00
Benjamin Kramer
6d6d16a5fc unittests/Support/PathV2: remove(3) requires a terminated string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120803 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 12:33:32 +00:00
Michael J. Spencer
371716cdee Unittests/Support/PathV2: Cleanup and remove output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120785 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 02:22:34 +00:00
Michael J. Spencer
12a4cf2c23 unittests/Support/PathV2: Comment out test because some systems are saying that 
a file exists when it shouldn't.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 02:10:30 +00:00
Michael J. Spencer
3cb84ef65d Support/FileSystem: Add unique_file and exists implementations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 01:21:28 +00:00
Michael J. Spencer
506e579aa0 Make valgrind happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-01 22:28:42 +00:00
Michael J. Spencer
7dc7ac3cb2 Support/ADT/Twine: Add toNullTerminatedStringRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-01 20:37:30 +00:00
Michael J. Spencer
eb21e3c225 unittests/Support/PathV2: Fix -pedantic warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120590 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-01 19:23:49 +00:00