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4137 Commits

Author SHA1 Message Date
Dan Gohman
ce16339930 The powers that be have decided that LLVM IR should now support 16-bit 
"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-17 00:04:22 +00:00
Eli Friedman
adeb0a6e64 Make constant folding for GEPs a bit more aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-15 04:33:48 +00:00
Dan Gohman
f042660197 Move Instruction::isSafeToSpeculativelyExecute out of VMCore and 
into Analysis as a standalone function, since there's no need for
it to be in VMCore. Also, update it to use isKnownNonZero and
other goodies available in Analysis, making it more precise,
enabling more aggressive optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146610 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 23:49:11 +00:00
Nick Lewycky
bf47c76278 Fix unused value warning for value used only in assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146440 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 22:59:34 +00:00
Daniel Dunbar
4ab406d7fc LLVMBuild: Remove trailing newline, which irked me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 19:48:00 +00:00
Chandler Carruth
a56f5581ec Don't rely in there being one argument before we've actually identified 
a function to upgrade. Also, simplify the code a bit at the expense of
one line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 10:57:20 +00:00
Chandler Carruth
c4eab904c9 Teach the verifier to reject all non-constant arguments to the second 
argument of the cttz and ctlz intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 04:36:02 +00:00
Chandler Carruth
ccbf1e36d3 Switch llvm.cttz and llvm.ctlz to accept a second i1 parameter which 
indicates whether the intrinsic has a defined result for a first
argument equal to zero. This will eventually allow these intrinsics to
accurately model the semantics of GCC's __builtin_ctz and __builtin_clz
and the X86 instructions (prior to AVX) which implement them.

This patch merely sets the stage by extending the signature of these
intrinsics and establishing auto-upgrade logic so that the old spelling
still works both in IR and in bitcode. The upgrade logic preserves the
existing (inefficient) semantics. This patch should not change any
behavior. CodeGen isn't updated because it can use the existing
semantics regardless of the flag's value.

Note that this will be followed by API updates to Clang and DragonEgg.

Reviewed by Nick Lewycky!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146357 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 04:26:04 +00:00
Bill Wendling
f4374e46fd Add dump method for debugging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146293 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-09 23:18:34 +00:00
Benjamin Kramer
85dadecbd6 Push StringRefs through the metadata interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 11:50:26 +00:00
Benjamin Kramer
4da7f90b17 Add a little heuristic to Value::isUsedInBasicBlock to speed it up for small basic blocks. 
- Calling getUser in a loop is much more expensive than iterating over a few instructions.
- Use it instead of the open-coded loop in AddrModeMatcher.
- 5% speedup on ARMDisassembler.cpp Release builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145810 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:23:27 +00:00
Nadav Rotem
1608769abe Add support for vectors of pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 06:29:09 +00:00
David Blaikie
0becc96b24 Add some missing anchors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-01 08:00:17 +00:00
Daniel Dunbar
d782bae970 build/CMake: Finish removal of add_llvm_library_dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145420 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 19:25:30 +00:00
Chris Lattner
b5dd9de724 Eli managed to kill off llvm.membarrier in llvm 3.0 also, this means 
that mainline needs no autoupgrade logic for intrinsics yet, woohoo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145178 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 08:42:07 +00:00
Chris Lattner
875882a184 The llvm.atomic intrinsics *were* removed in LLVM 3.0 (in r141333), remove the 
autoupgrade logic for 2.9 and before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 08:18:55 +00:00
Chris Lattner
3211c6e31b remove autoupgrade support for old forms of llvm.prefetch and the old 
trampoline forms.  Both of these were correct in LLVM 3.0, and we don't
need to support LLVM 2.9 and earlier in mainline.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145174 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 07:42:04 +00:00
Chris Lattner
a7e6f74631 remove autoupgrade support for really old-style debug info intrinsics. 
I think this is the last of autoupgrade that can be removed in 3.1.
Can the atomic upgrade stuff also go?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145169 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 06:18:33 +00:00
Chris Lattner
663aebf8d6 remove some old autoupgrade logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 06:10:54 +00:00
Chris Lattner
9d5f6ccd26 remove autoupgrade support for LLVM 2.9 exception stuff. Mainline supports 
LLVM 3.0 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145165 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 05:56:16 +00:00
Benjamin Kramer
8a42633273 Devirtualize Pass::getPassID, overriding it isn't useful and it gets called a lot. 
While at it pull the trivial ctor in line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-24 21:14:11 +00:00
Joe Abbey
62faf77278 Fixing a comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-21 04:42:21 +00:00
Owen Anderson
99aa14ff64 Rename MVT::untyped to MVT::Untyped to match similar nomenclature. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144747 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-16 01:02:57 +00:00
Benjamin Kramer
2bbb7e3ca6 Remove Value::getNameStr. It has been deprecated for a while and provides no additional value over getName(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144657 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-15 18:30:12 +00:00
Benjamin Kramer
a7b0cb7594 Remove all remaining uses of Value::getNameStr(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144648 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-15 16:27:03 +00:00
Benjamin Kramer
b518cae015 Fold ConstantVector::isAllOnesValue into Constant::isAllOnesValue and simplify it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144555 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 19:12:20 +00:00
Daniel Dunbar
a3a2dfd4a2 build: Add initial cut at LLVMBuild.txt files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143634 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-03 18:53:17 +00:00
Benjamin Kramer
5a83264fa2 Don't print two 0x prefixes when printing an address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 17:24:36 +00:00
Peter Collingbourne
999f90bedf Add a pinned metadata name for fpaccuracy, and document it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-27 19:19:14 +00:00
Mon P Wang
cf62b371a9 The bitcode reader can create an shuffle with a place holder mask which it will 
fix up later. For this special case, allow such a mask to be considered valid.
<rdar://problem/8622574>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 00:34:48 +00:00
Eli Friedman
c66330504c Refactor code from inlining and globalopt that checks whether a function definition is unused, and enhance it so it can tell that functions which are only used by a blockaddress are in fact dead. This probably doesn't happen much on most code, but the Linux kernel's _THIS_IP_ can trigger this issue with blockaddress. (GlobalDCE can also handle the given tescase, but we only run that at -O3.) Found while looking at PR11180. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142572 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-20 05:23:42 +00:00
Benjamin Kramer
d2c6ff1ac6 Use a SmallVector for intrinsic argument types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142259 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 21:33:26 +00:00
Bill Wendling
3c5e60994f Correct over-zealous removal of hack. 
Some code want to check that *any* call within a function has the 'returns
twice' attribute, not just that the current function has one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142221 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 18:43:40 +00:00
Bill Wendling
728662f9e8 Now that we have the ReturnsTwice function attribute, this method is 
obsolete. Check the attribute instead.
<rdar://problem/8031714>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142212 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 18:22:52 +00:00
Chandler Carruth
602650c988 Add a routine to swap branch instruction operands, and update any 
profile metadata at the same time. Use it to preserve metadata attached
to a branch when re-writing it in InstCombine.

Add metadata to the canonicalize_branch InstCombine test, and check that
it is tranformed correctly.

Reviewed by Nick Lewycky!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142168 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 01:11:57 +00:00
Benjamin Kramer
962bad70f4 Let printf do the formatting instead aligning strings ourselves. 
While at it, merge some format strings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-16 16:30:34 +00:00
Chris Lattner
3f2d5f60b3 Make SMDiagnostic a little more sane. Instead of passing around note/warning/error as a 
string, pass it around as an enum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142107 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-16 05:43:57 +00:00
Chris Lattner
aeee2d3a29 constify array itself, don't iterate multiple times. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142013 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-14 22:50:21 +00:00
Torok Edwin
6563c87996 ocaml bindings: add getopcode for constant and instruction, and int64_of_const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141990 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-14 20:37:49 +00:00
Torok Edwin
31116410de bindings: tab and indentation fixes of my previous commits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141989 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-14 20:37:42 +00:00
Eric Christopher
0f691977d7 Spacing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141727 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 22:58:58 +00:00
Matt Beaumont-Gay
7761948761 Move default to top of switch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 16:27:01 +00:00
Eli Friedman
8540101252 Remove the old atomic instrinsics. autoupgrade functionality is included with this patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141333 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 23:20:49 +00:00
Matt Beaumont-Gay
3ef12348d7 Fix -asserts build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141313 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 20:59:09 +00:00
Torok Edwin
4df1557f40 Don't require C bindings opcode numbers to be kept in sync. 
They are not in sync now, for example Bitcast would show up as LLVMCall.
So instead introduce 2 functions that map to and from the opcodes in the C
bindings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141290 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:39:34 +00:00
Torok Edwin
ff12c99d13 ocaml/C bindings: type->isSized() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:13:28 +00:00
Torok Edwin
4917ec9ec7 add binding to read icmp predicate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141287 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:13:20 +00:00
Torok Edwin
4f661ab0fb ocaml/C bindings: getmdstring, add num_op, get_op should work on metadata too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141286 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:13:11 +00:00
Torok Edwin
c44943ed4f C/OCaml API to retrieve struct name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141285 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:12:50 +00:00
Peter Collingbourne
de8f33c199 Build system infrastructure for multiple tblgens. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141266 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 01:51:51 +00:00