Commit Graph

41167 Commits

Author SHA1 Message Date
Bill Wendling 648930b9ba Implement "visitPow". This is mainly used to see if we have a pow() call of this
form:

          powf(10.0f, x);

If this is the case, and also we want limited precision floating-point
calculations, then lower to do the limited-precision stuff.

llvm-svn: 56035
2008-09-10 00:20:20 +00:00
Evan Cheng 0fff397a13 A few more places where FPOW is being ignored.
llvm-svn: 56032
2008-09-09 23:35:53 +00:00
Dan Gohman b4c0295b8e Change -fast-isel-no-abort to -fast-isel-abort, which now defaults
to being off by default. Also, add assertion checks to check that
the various fast-isel-related command-line options are only used
when -fast-isel itself is enabled.

llvm-svn: 56029
2008-09-09 23:05:00 +00:00
Evan Cheng f4e5de4583 Legalizer was missing code that expand fpow to a libcall.
llvm-svn: 56028
2008-09-09 23:02:14 +00:00
Bill Wendling ab6676a46a Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2
function.

llvm-svn: 56025
2008-09-09 22:39:21 +00:00
Dale Johannesen abb1e7770b Move the uglier parts of deciding not to emit a
UsedDirective for some symbols in llvm.used into
Darwin-specific code.  I've decided LessPrivateGlobal
is potentially a useful abstraction and left it in
the target-independent area, with improved comment.

llvm-svn: 56024
2008-09-09 22:29:13 +00:00
Bill Wendling 48217d89b4 Add support for 6-, 12-, and 18-bit limited precision calculations of exp for
floating-point numbers.

llvm-svn: 56023
2008-09-09 22:13:54 +00:00
Dan Gohman fb9dbe0f5b Fix a minor wording ambiguity in the Developer Policy.
llvm-svn: 56022
2008-09-09 22:13:09 +00:00
Dan Gohman 91491b51e2 Add a new option, -fast-isel-verbose, that can be used with
-fast-isel-no-abort to get a dump of all unhandled instructions,
without an abort.

llvm-svn: 56021
2008-09-09 22:06:46 +00:00
Evan Cheng 93945287b8 Clear preference when it no longer makes sense.
llvm-svn: 56019
2008-09-09 21:44:23 +00:00
Devang Patel b4061e8ce4 Remove.
llvm-svn: 56018
2008-09-09 21:41:34 +00:00
Devang Patel 92b032f3e6 if loop induction variable is always sign or zero extended then
extend the type of induction variable.

llvm-svn: 56017
2008-09-09 21:41:07 +00:00
Devang Patel 18ff6367f7 Add assertion check.
llvm-svn: 56016
2008-09-09 21:38:40 +00:00
Devang Patel 92c5367705 fix overflow check.
llvm-svn: 56011
2008-09-09 20:54:34 +00:00
Owen Anderson 4a58bd331b Clean this up, based on Evan's suggestions.
llvm-svn: 56009
2008-09-09 20:47:17 +00:00
Bill Wendling ed3bb7888d - Add support for 6-, 12-, and 18-bit limited precision floating-point "log"
values.
- Refactored some of the code.

llvm-svn: 56008
2008-09-09 20:39:27 +00:00
Evan Cheng 53b728c27c Fix PR2757. Ignore liveinterval register allocation preference if the preference register is not in the right register class. This can happen due to sub-register coalescing.
llvm-svn: 56006
2008-09-09 20:22:01 +00:00
Anton Korobeynikov 1a1140429e Make safer variant of alias resolution routine to be default
llvm-svn: 56005
2008-09-09 20:05:04 +00:00
Duncan Sands e5579930db Simplify this some more. No functionality change.
llvm-svn: 56003
2008-09-09 19:56:34 +00:00
Anton Korobeynikov a9b60ee0fc Resolve aliases, when possible
llvm-svn: 56001
2008-09-09 19:04:59 +00:00
Bill Wendling faeb4b6755 Add limited precision floating-point conversions of log10 for 6- and 18-bit
precisions.

llvm-svn: 56000
2008-09-09 18:42:23 +00:00
Dan Gohman 4fcccd8d66 Mark IMPLICIT_DEF as being rematerializable and cheap-as-a-move.
It's already special-cased and treated as rematerializable within
LiveIntervals; this allows it to be handled by other passes
such as TwoAddressInstrctionPass.

llvm-svn: 55999
2008-09-09 18:25:28 +00:00
Anton Korobeynikov 4e518041d3 Fix typo
llvm-svn: 55998
2008-09-09 18:24:07 +00:00
Anton Korobeynikov ac2c655808 Fix incorrect linker behaviour: we shouldn't resolve weak aliases.
llvm-svn: 55997
2008-09-09 18:23:48 +00:00
Anton Korobeynikov 6acb2219b6 Replace explicit pointer-size constants to TargetData query.
No functionality change.

llvm-svn: 55996
2008-09-09 18:22:57 +00:00
Dan Gohman 86fb5b48de Make SimplifyDemandedVectorElts simplify vectors with multiple
users, and teach it about shufflevector instructions.

Also, fix a subtle bug in SimplifyDemandedVectorElts'
insertelement code.

This is a patch that was originally written by Eli Friedman,
with some fixes and cleanup by me.

llvm-svn: 55995
2008-09-09 18:11:14 +00:00
Devang Patel a328690ed3 Simplify.
Fix outdated comment.

llvm-svn: 55993
2008-09-09 17:56:50 +00:00
Gabor Greif ea79c3e7a0 fit in 80 cols, minor tweaks
llvm-svn: 55992
2008-09-09 17:52:13 +00:00
Duncan Sands d7ba10c31b Optimization suggested by Matthijs Kooijman.
llvm-svn: 55988
2008-09-09 13:44:24 +00:00
Duncan Sands c189e79440 Correct callgraph construction. It has two problems:
(1) code left over from the days of ConstantPointerRef:
if a use of a function is a GlobalValue then that is
not considered a reason to add an edge from the external
node, even though the use may be as an initializer for
an externally visible global!  There might be some point
to this behaviour when the use is by an alias (though the
code predated aliases by some centuries), but I think
PR2782 is a better way of handling that.  (2) If function
F calls function G, and also G is a parameter to the
call, then an F->G edge is not added to the callgraph.
While this doesn't seem to matter much, adding such an
edge makes the callgraph more regular.
In addition, the new code should be faster as well as
simpler.

llvm-svn: 55987
2008-09-09 12:40:47 +00:00
Argyrios Kyrtzidis 50ba6cc334 Update VC++ project files.
llvm-svn: 55985
2008-09-09 11:38:37 +00:00
Owen Anderson 8529085f4f Check for type legality before materializing integer constants in fast isel. With this change,
all of MultiSource/Applications passes on Darwin/X86 under FastISel.

llvm-svn: 55982
2008-09-09 06:32:02 +00:00
Evan Cheng 7aedcf151c Allow use of ssh to perform remote execution.
llvm-svn: 55979
2008-09-09 06:11:26 +00:00
Dan Gohman b6aef419b4 Remove the code that protected FastISel from aborting in
the case of loads, stores, and conditional branches. It can
handle those now, so any that aren't handled should trigger
the abort.

llvm-svn: 55977
2008-09-09 02:40:04 +00:00
Dan Gohman 7164e9a702 Temporarily disable vector select in the bitcode reader. The
way it handles the type of the condition is breaking plain
scalar select in the case that the value is a
forward-reference.

llvm-svn: 55976
2008-09-09 02:08:49 +00:00
Evan Cheng 1e97901388 Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand.
llvm-svn: 55975
2008-09-09 01:26:59 +00:00
Dale Johannesen f080225490 Fix logic for not emitting no-dead-strip for some
objects in llvm.used (thanks Anton).  Makes visible
the magic 'l' prefix for symbols on Darwin which are
to be passed through the assembler, then removed at
linktime (previously all references to this had been
hidden in the ObjC FE code, oh well).

llvm-svn: 55973
2008-09-09 01:21:22 +00:00
Dan Gohman 72eb6e76e4 Update generated files.
llvm-svn: 55972
2008-09-09 01:13:24 +00:00
Devang Patel 0f7a3507cf Fix simplifycfg crash in handing block merge.
llvm-svn: 55971
2008-09-09 01:06:56 +00:00
Dan Gohman c579d978a3 Extend the vcmp/fcmp LLVM IR instructions to take vectors as arguments
and, if so, to return a vector of boolean as a result;

Extend the select LLVM IR instruction to allow you to specify a result
type which is a vector of boolean, in which case the result will be an
element-wise selection instead of choosing one vector or the other; and

Update LangRef.html to describe these changes.

This patch was contributed by Preston Gurd!

llvm-svn: 55969
2008-09-09 01:02:47 +00:00
Bill Wendling 484167851a Add support for floating-point calculations of log2 with limited precisions of 6
and 18.

llvm-svn: 55968
2008-09-09 00:28:24 +00:00
Devang Patel 3d56051f70 s/RemoveUnreachableBlocks/RemoveUnreachableBlocksFromFn/g
llvm-svn: 55965
2008-09-08 22:14:17 +00:00
Dale Johannesen ea9285e643 Don't suppress no-dead-strip for used static functions.
llvm-svn: 55962
2008-09-08 21:21:49 +00:00
Anton Korobeynikov ab4928a6e5 Reapply 55902: Add test for checking proper lowering of eh_return & unwind init intrinsics on 32bit x86 targets
llvm-svn: 55960
2008-09-08 21:14:36 +00:00
Anton Korobeynikov 35883b7eec Reapply 55903: Testcase for 64-bit lowering of eh_return & unwind_init
llvm-svn: 55959
2008-09-08 21:14:19 +00:00
Anton Korobeynikov 45165ed1ac Reapply 55904: Unbreak and fix indentation
llvm-svn: 55958
2008-09-08 21:13:56 +00:00
Anton Korobeynikov 177eda0505 Reapply 55901: Drop unused variable
llvm-svn: 55957
2008-09-08 21:13:33 +00:00
Anton Korobeynikov 524820fef7 Reapply 55900: We do support EH on x86-64!
llvm-svn: 55956
2008-09-08 21:13:08 +00:00
Anton Korobeynikov 2fd24e7713 Reapply 55899: First draft of EH support on x86/64-linux
Now with fix, which prevents subtle codegen bug to trigger on darwin.
No fix for bug though, it's still there.

llvm-svn: 55955
2008-09-08 21:12:47 +00:00
Anton Korobeynikov 4112634ca6 Reapply blindly reverted 55898: Implement FRAME_TO_ARGS_OFFSET for x86-64
llvm-svn: 55954
2008-09-08 21:12:11 +00:00