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Author SHA1 Message Date
Craig Topper
9d9d92eab0 Remove HexagonGenIntrinsics.inc from Hexagon cmake file. It does not appear in the Makefile and the output it produces isn't used. The Hexagon intrinsics are all in the global Intrinsics.gen. 
llvm-svn: 151514
 2012-02-27 02:59:43 +00:00
Craig Topper
ae4e236c50 Update tblgen command guide. Remove unused tblgen InstrEnumEmitter files. 
llvm-svn: 151513
 2012-02-27 02:31:09 +00:00
Jia Liu
65a3b4e8b8 delete useless comment&blank 
llvm-svn: 151512
 2012-02-27 02:21:34 +00:00
Rafael Espindola
2d9b864afe Fix this assert. IP can point to an instruction with strange dominance 
properties (invoke). Just assert that the instruction we return dominates
the insertion point.

llvm-svn: 151511
 2012-02-27 02:13:03 +00:00
Craig Topper
ab46706aa9 X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by Kay Tiong Khoo. 
llvm-svn: 151510
 2012-02-27 01:54:29 +00:00
Chad Rosier
3c578aa81b Remove more GCC FE build stuff. 
llvm-svn: 151507
 2012-02-26 22:26:37 +00:00
Chad Rosier
9457d2b63a Installing the GCC front end is no longer supported. 
llvm-svn: 151506
 2012-02-26 22:17:05 +00:00
Chad Rosier
cb11644ed8 Cleanup the LLVM Getting Started page. 
llvm-svn: 151505
 2012-02-26 22:12:59 +00:00
Chad Rosier
9458712b9a Add href to clang in overview. 
llvm-svn: 151503
 2012-02-26 21:34:02 +00:00
Chad Rosier
d8384abc3c Remove references to llvm-gcc from overview and tutorial. 
llvm-svn: 151502
 2012-02-26 21:31:25 +00:00
Nadav Rotem
6eccbedc5f Add support for random constant vectors. 
Patch by Joey Gouly.

llvm-svn: 151489
 2012-02-26 13:56:18 +00:00
Nadav Rotem
65d5297fd2 Style fix: Remove unneeded parentheses. 
llvm-svn: 151488
 2012-02-26 12:34:17 +00:00
Nadav Rotem
2449d16831 Fix a bug in the code that checks if a store value is a vector of i1s 
llvm-svn: 151487
 2012-02-26 12:00:22 +00:00
Nadav Rotem
3680054079 Fix compilation on MSVC. Rename "_BB" to "Block" 
Thanks zygoloid.

llvm-svn: 151481
 2012-02-26 08:59:25 +00:00
Nadav Rotem
a77007fc95 fix a copy-and-paste error in the docs 
llvm-svn: 151480
 2012-02-26 08:43:43 +00:00
Nadav Rotem
8ce0029942 Add a random .LL file generator to stress-test different llvm components. 
llvm-svn: 151479
 2012-02-26 08:35:53 +00:00
Rafael Espindola
868ea25522 Add testcase for the previous commit. 
llvm-svn: 151475
 2012-02-26 05:49:57 +00:00
Rafael Espindola
c333947449 Don't call dominates on unreachable instructions. Should fix the dragonegg 
build. Testcase is still reducing.

llvm-svn: 151474
 2012-02-26 05:30:08 +00:00
Hal Finkel
abe41f723f Default TargetData alignment information for 128-bit floating-point types. 
llvm-svn: 151473
 2012-02-26 04:13:31 +00:00
Rafael Espindola
137548bb3e And update the comment... 
llvm-svn: 151472
 2012-02-26 02:36:56 +00:00
Rafael Espindola
e63adef174 Enable the assert that got all this dominator work started. 
llvm-svn: 151471
 2012-02-26 02:29:18 +00:00
Rafael Espindola
c97c3343f1 Use the DT dominates function in the verifier. 
llvm-svn: 151470
 2012-02-26 02:23:37 +00:00
Rafael Espindola
34b7c064cb Change the implementation of dominates(inst, inst) to one based on what the 
verifier does. This correctly handles invoke.
Thanks to Duncan, Andrew and Chris for the comments.
Thanks to Joerg for the early testing.

llvm-svn: 151469
 2012-02-26 02:19:19 +00:00
Rafael Espindola
f5f6146ba4 Don't call dominates on unreachable instructions. 
llvm-svn: 151468
 2012-02-26 02:14:25 +00:00
Nick Lewycky
a93c874757 Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into 
'gep null' when the icmp predicate is unsigned (or is signed without inbounds).

llvm-svn: 151467
 2012-02-26 02:09:49 +00:00
Rafael Espindola
d9e654ca63 Don't call dominates on unreachable instructions. 
llvm-svn: 151466
 2012-02-26 01:50:14 +00:00
Nick Lewycky
849715d31f Roll these back to r151448 until I figure out how they're breaking 
MultiSource/Applications/lua.

llvm-svn: 151463
 2012-02-25 23:01:19 +00:00
Nick Lewycky
1636c6eaef An argument and a local identified object (eg. a noalias call) could turn out 
equal if both are null. In the test, scope type %t and global @y by adding a
'gep' prefix to them.

llvm-svn: 151452
 2012-02-25 20:19:07 +00:00
Nick Lewycky
808d0e3fa7 Fix five-letter typo in comment. 
llvm-svn: 151450
 2012-02-25 19:12:58 +00:00
Nick Lewycky
94be1c7d95 Teach instsimplify to be more aggressive when analyzing comparisons of pointers 
by using llvm::isIdentifiedObject. Also teach it to handle GEPs that have
the same base pointer and constant operands. Fixes PR11238!

llvm-svn: 151449
 2012-02-25 19:07:42 +00:00
Nick Lewycky
dce2cfc335 Move isKnownNonNull from private implementation detail of BasicAA to a public 
function that others can use, next to llvm::isIdentifiedObject.

llvm-svn: 151446
 2012-02-25 10:56:28 +00:00
Nick Lewycky
57a70ec2c4 Remove spurious emacs mode marker. 
llvm-svn: 151440
 2012-02-25 07:20:06 +00:00
Hal Finkel
3aea686faa Revert r151278, breaks static linking. 
Reverting this because it breaks static linking on ppc64. Specifically, it may be linkonce_odr functions that are the problem.
With this patch, if you link statically, calls to some functions end up calling their descriptor addresses instead
of calling to their entry points. This causes the execution to fail with SIGILL (b/c the descriptor address just
has some pointers, not code).

llvm-svn: 151433
 2012-02-25 03:40:11 +00:00
NAKAMURA Takumi
17b6271b41 Target/X86: Fix assertion failures and warnings caused by r151382 _ftol2 lowering for i386-*-win32 targets. Patch by Joe Groff. 
[Joe Groff] Hi everyone. My previous patch applied as r151382 had a few problems:
Clang raised a warning, and X86 LowerOperation would assert out for
fptoui f64 to i32 because it improperly lowered to an illegal
BUILD_PAIR. Here's a patch that addresses these issues. Let me know if
any other changes are necessary. Thanks.

llvm-svn: 151432
 2012-02-25 03:37:25 +00:00
Chad Rosier
7ebe024853 Add comment. 
llvm-svn: 151431
 2012-02-25 03:07:57 +00:00
Chad Rosier
096b8c0365 Add support for disabling llvm.lifetime intrinsics in the AlwaysInliner. These 
are optimization hints, but at -O0 we're not optimizing.  This becomes a problem
when the alwaysinline attribute is abused.
rdar://10921594

llvm-svn: 151429
 2012-02-25 02:56:01 +00:00
Lang Hames
25553028ff Make the peephole optimizer clear kill flags on a vreg if it's about to add new 
uses of the vreg, since the old kills may no longer be valid.  This was causing
-verify-machineinstrs to complain about uses after kills, and could potentially
have been causing subtle register allocation issues, but I haven't come across a
test case yet.

llvm-svn: 151425
 2012-02-25 02:01:00 +00:00
Chad Rosier
06b04ed725 Fix indentation. 
llvm-svn: 151420
 2012-02-25 01:10:59 +00:00
Eric Christopher
3975f7b73a Grammar-o. 
llvm-svn: 151418
 2012-02-25 01:02:44 +00:00
Lang Hames
6ec3b488f8 Fixed typo. 
llvm-svn: 151417
 2012-02-25 00:46:38 +00:00
Akira Hatanaka
8fc9a35d3f Add definitions of floating point multiply add/sub and negative multiply 
add/sub instructions.

llvm-svn: 151415
 2012-02-25 00:21:52 +00:00
Akira Hatanaka
3b3ee53886 Add an option to use a virtual register as the global base register instead of 
reserving a physical register ($gp or $28) for that purpose.

This will completely eliminate loads that restore the value of $gp after every
function call, if the register allocator assigns a callee-saved register, or
eliminate unnecessary loads if it assigns a temporary register. 

example:

.cpload $25       // set $gp.
...
.cprestore 16     // store $gp to stack slot 16($sp).
...
jalr $25          // function call. clobbers $gp.
lw $gp, 16($sp)   // not emitted if callee-saved reg is chosen.
...
lw $2, 4($gp)
...
jalr $25          // function call.
lw $gp, 16($sp)   // not emitted if $gp is not live after this instruction.
...

llvm-svn: 151402
 2012-02-24 22:34:47 +00:00
Benjamin Kramer
62ed7b9b09 Remove unused cl::opt, make another opt static. 
llvm-svn: 151398
 2012-02-24 22:09:25 +00:00
Jakob Stoklund Olesen
090f01cde9 Add missing static 
llvm-svn: 151396
 2012-02-24 21:52:44 +00:00
Ahmed Charles
1f34683467 Fix undefined behavior. 
llvm-svn: 151385
 2012-02-24 19:06:15 +00:00
Jim Grosbach
33082fabe9 Thumb2 asm aliases for wide bitwise w/ immediate instructions. 
llvm-svn: 151384
 2012-02-24 19:06:05 +00:00
Chris Lattner
b01936f21a fix PR12075, a regression in a recent transform I added. In unreachable code, gep chains can be infinite. Just like "stripPointerCasts", use a set to keep track of visited instructions so we don't recurse infinitely. 
llvm-svn: 151383
 2012-02-24 19:01:58 +00:00
Michael J. Spencer
d2f0ce2674 Add WIN_FTOL_* psudo-instructions to model the unique calling convention 
used by the Win32 _ftol2 runtime function. Patch by Joe Groff!

llvm-svn: 151382
 2012-02-24 19:01:22 +00:00
Jakob Stoklund Olesen
c077e0f945 Add a -stress-regalloc=<N> option. 
This will limit all register classes to N registers in order to stress
test register allocation.

llvm-svn: 151379
 2012-02-24 18:34:20 +00:00
Hal Finkel
784c4bf068 X11/X2 loads around indirect calls on ppc64 should not be deleted. 
llvm-svn: 151374
 2012-02-24 17:54:01 +00:00