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Author SHA1 Message Date
Evan Cheng
4e6d375744 Fix a typo which cause dag combine crash. rdar://9059537. 
llvm-svn: 126661
 2011-02-28 18:45:27 +00:00
Stuart Hastings
539d4e1460 Support for byval parameters on ARM. Will be enabled by a forthcoming 
patch to the front-end.  Radar 7662569.

llvm-svn: 126655
 2011-02-28 17:17:53 +00:00
Duncan Sands
0f78cf8a37 Windows codegen also dies on this, so restrict to the platform it was 
actually tested on.

llvm-svn: 126652
 2011-02-28 14:22:08 +00:00
Kalle Raiskila
cc5b703c81 Add branch hinting for SPU. 
The implemented algorithm is overly simplistic (just speculate all branches are
taken)- this is work in progress.

llvm-svn: 126651
 2011-02-28 14:08:24 +00:00
Duncan Sands
195d2036d0 Make this test x86 specific because the ARM backend can't handle it. 
llvm-svn: 126650
 2011-02-28 12:30:47 +00:00
Frits van Bommel
4a2b658705 Teach SimplifyCFG that (switch (select cond, X, Y)) is better expressed as a branch. 
Based on a patch by Alistair Lynn.

llvm-svn: 126647
 2011-02-28 09:44:07 +00:00
Nick Lewycky
fe02856d37 Fix comment. 
llvm-svn: 126645
 2011-02-28 09:18:11 +00:00
Nick Lewycky
dcc97b5f44 srem doesn't actually have the same resulting sign as its numerator, you could 
also have a zero when numerator = denominator. Reverts parts of r126635 and
r126637.

llvm-svn: 126644
 2011-02-28 09:17:39 +00:00
Nick Lewycky
28f01da48e Teach InstCombine to fold "(shr exact X, Y) == 0" --> X == 0, fixing #1 from 
PR9343.

llvm-svn: 126643
 2011-02-28 08:31:40 +00:00
Nick Lewycky
dd5df7ef0a Teach value tracking to make use of flags in more situations. 
llvm-svn: 126642
 2011-02-28 08:02:21 +00:00
Nick Lewycky
aa03b76c53 Teach ValueTracking to look at the dividend when determining the sign bit of an 
srem instruction.

llvm-svn: 126637
 2011-02-28 06:52:12 +00:00
Che-Liang Chiou
4026d01040 Add preliminary support for .f32 in the PTX backend. 
- Add appropriate TableGen patterns for fadd, fsub, fmul.
- Add .f32 as the PTX type for the LLVM float type.
- Allow parameters, return values, and global variable declarations
  to accept the float type.
- Add appropriate test cases.

Patch by Justin Holewinski

llvm-svn: 126636
 2011-02-28 06:34:09 +00:00
Nick Lewycky
e0f44d0aba The sign of an srem instruction is the sign of its dividend (the first 
argument), regardless of the divisor. Teach instcombine about this and fix
test7 in PR9343!

llvm-svn: 126635
 2011-02-28 06:20:05 +00:00
NAKAMURA Takumi
9c6821e474 Don't install libUnitTestMain.a. It might be useless without gtest headers. 
llvm-svn: 126632
 2011-02-28 05:18:07 +00:00
Bill Wendling
bb975d9dcb Update the documentation on "How to Release LLVM". It lays out a new way of 
tagging and branching for the release. I will update this more throughout the
2.9 release process.

llvm-svn: 126604
 2011-02-28 01:10:44 +00:00
Chris Lattner
7513f07004 add the ability to walk the scope tree and insert at not-the-current 
scope.

llvm-svn: 126591
 2011-02-27 22:51:57 +00:00
Chris Lattner
3fac41ace4 add a data() method. 
llvm-svn: 126590
 2011-02-27 22:51:37 +00:00
Rafael Espindola
53fdf0bfc1 Gold now rescans archives as needed, so the pass-through options are not 
necessary anymore.

llvm-svn: 126580
 2011-02-27 20:30:22 +00:00
Rafael Espindola
744cde8b39 bfd was fixed, remove the work around. 
llvm-svn: 126579
 2011-02-27 20:15:37 +00:00
Benjamin Kramer
0bdf517525 Silence enum conversion warnings. 
llvm-svn: 126578
 2011-02-27 18:13:53 +00:00
Duncan Sands
b6f7dcb996 Legalize support for fpextend of vector. PR9309. 
llvm-svn: 126574
 2011-02-27 14:41:27 +00:00
Duncan Sands
ab32f19034 Fix typo pointed out in pr9339. 
llvm-svn: 126573
 2011-02-27 13:54:01 +00:00
Oscar Fuentes
8b7659cfbd Install include/llvm/Support/LICENSE.TXT. PR9321. 
llvm-svn: 126571
 2011-02-27 13:32:50 +00:00
NAKAMURA Takumi
b35d45a714 Target/X86: Always emit "push/pop GPRs" in prologue/epilogue and emit "spill/reload frames" for XMMs. 
It improves Win64's prologue/epilogue but it would not affect ia32 and amd64 (lack of nonvolatile XMMs).

llvm-svn: 126568
 2011-02-27 08:47:19 +00:00
Cameron Zwarich
764320383d Fix PR9324 / <rdar://problem/9052489> by handling the case where a PHI has no uses. 
llvm-svn: 126567
 2011-02-27 08:06:01 +00:00
Cameron Zwarich
1409977fe2 Give a test file a more sensible name so that it can hold more test cases. 
llvm-svn: 126566
 2011-02-27 08:05:57 +00:00
Nadav Rotem
961627db07 Fix typos in the comments. 
llvm-svn: 126565
 2011-02-27 07:40:43 +00:00
Tobias Grosser
a9cc8bda71 RegionPrinter: Ignore back edges when layouting the graph 
llvm-svn: 126564
 2011-02-27 04:11:07 +00:00
Tobias Grosser
7cb4ec5d69 cmake: Add xdot.py support as it already exists in autoconf. 
llvm-svn: 126563
 2011-02-27 04:11:05 +00:00
Tobias Grosser
789fab6b30 Pass the graph to the DOTGraphTraits.getEdgeAttributes(). 
This follows the interface of getNodeAttributes.

llvm-svn: 126562
 2011-02-27 04:11:03 +00:00
Daniel Dunbar
d4a7704765 Support: Add llvm::AreStatisticsEnabled(). 
llvm-svn: 126558
 2011-02-26 23:17:12 +00:00
Benjamin Kramer
412ffed4f0 Add some DAGCombines for (adde 0, 0, glue), which are useful to optimize legalized code for large integer arithmetic. 
1. Inform users of ADDEs with two 0 operands that it never sets carry
2. Fold other ADDs or ADDCs into the ADDE if possible

It would be neat if we could do the same thing for SETCC+ADD eventually, but we can't do that in target independent code.

llvm-svn: 126557
 2011-02-26 22:48:07 +00:00
Rafael Espindola
13bfff7d40 LTO uses MC now. 
llvm-svn: 126546
 2011-02-26 16:44:13 +00:00
Bill Wendling
91cce6cc1d A new TableGen feature! (Not turned on just yet.) 
InstAlias<{alias}, {aliasee}>;

The InstAlias instruction should be able to go from the MCInst to the
{alias}. All of the information is there to match the MCInst with the
{aliasee}. From there, it's a simple matter to emit the {alias}, with the
correct operands from the {aliasee}.

The code this patch generates can be used by the InstPrinter to automatically
print out the alias without having to write special C++ code to handle the
situation.

This is a WIP, and therefore are several limitations. For instance, it cannot
handle AsmOperands at the moment. It also doesn't know what to do when two
{alias}es match the same {aliasee}. (Currently, it just ignores those two cases
and allows the printInstruction method to handle them.)

llvm-svn: 126538
 2011-02-26 03:09:12 +00:00
Bob Wilson
d1f7c57667 Removed unnecessary dylibs from Apple builds, with or without "lib" prefix. 
Radar 9056686

llvm-svn: 126534
 2011-02-26 00:22:17 +00:00
Bob Wilson
b25dc65fdb Add a new "Embedded" makefile target for Apple-style builds. 
This one just installs the default build into a different destination directory.

llvm-svn: 126533
 2011-02-25 23:42:03 +00:00
Jim Grosbach
d3d3996a4a Trailing whitespace. 
llvm-svn: 126526
 2011-02-25 22:53:20 +00:00
Stuart Hastings
027804988e Fix bad comment marker. 
llvm-svn: 126525
 2011-02-25 22:47:58 +00:00
Owen Anderson
bd26993873 Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
llvm-svn: 126518
 2011-02-25 21:41:48 +00:00
David Greene
ce1bb42907 Add some options for building LLVM in different environments: 
--force-configure to force running configure before building.

--extra-llvm-config-flags
--extra-llvm-gcc-config-flags
--extra-gcc-config-flags

Pass additional argument to the various configure invocations.

This also eliminates a default build flavor because explicitly
specifying builds could result in build flavors being run repeatedly.

Finally, turn off fortran builds for the moment because install
appears to be broken.

llvm-svn: 126510
 2011-02-25 20:51:27 +00:00
Stuart Hastings
e43cfa5329 Omit lto.h from the llvmCore result; henceforth, this will be supplied 
by clang.  Radar 9042056.

llvm-svn: 126507
 2011-02-25 20:42:39 +00:00
Chris Lattner
90c8cff37e split this test into arch specific pieces, so the ARM 
test isn't run when the arm backend isn't built.  This
fixes PR9327

llvm-svn: 126500
 2011-02-25 19:06:35 +00:00
Cameron Zwarich
974208a607 Roll out r126425 and r126450 to see if it fixes the failures on the buildbots. 
llvm-svn: 126488
 2011-02-25 16:30:32 +00:00
Benjamin Kramer
39a5d8596c Revert "SimplifyCFG: GEPs with just one non-constant index are also cheap." 
Yes, there are other types than i8* and GEPs on them can produce an add+multiply.
We don't consider that cheap enough to be speculatively executed.

llvm-svn: 126481
 2011-02-25 10:33:33 +00:00
Nick Lewycky
ed7f556f44 Update the NoFolder to work with current IRBuilder. 
llvm-svn: 126479
 2011-02-25 07:13:35 +00:00
Bob Wilson
6bbffe19e9 Add patterns to use post-increment addressing for Neon VST1-lane instructions. 
llvm-svn: 126477
 2011-02-25 06:42:42 +00:00
Jim Grosbach
61c746f927 Fix formatting of debug helper string. 
llvm-svn: 126471
 2011-02-25 03:59:03 +00:00
Evan Cheng
56354c17d9 Fix typo. 
llvm-svn: 126467
 2011-02-25 01:29:29 +00:00
Cameron Zwarich
1a975ff395 Set NumSignBits to 1 if KnownZero/KnownOne are being zero extended. In theory it 
is possible to do better if the high bit is set in either KnownZero/KnownOne, but
in practice NumSignBits is always 1 when we are zero extending because nothing
is known about that register.

llvm-svn: 126465
 2011-02-25 01:11:01 +00:00
Cameron Zwarich
aa61fbeebb We only want to zero extend the existing information if the bit width is 
actually larger.

llvm-svn: 126464
 2011-02-25 01:10:55 +00:00