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111 Commits

Author SHA1 Message Date
Michael Gottesman
87d1c91394 [g-arc-opts] Look through non phi rc identity preserving arguments. 
rdar://18070340

Swift SVN r21329
 2014-08-20 23:40:50 +00:00
Michael Gottesman
f3145119b9 Add SILValue::stripNonPHIArgs and SILValue::stripNonPHIRCIdentityPreservingArgs 
for looking through SILArguments that are not PHIs in a load-store and ARC
optimizer context respectively.

Swift SVN r21328
 2014-08-20 23:40:49 +00:00
Michael Gottesman
56d51ca9f1 [g-arc-opts] Teach the ARC optimizer how to strip off ref count equivalent operations such as casts and ref count identity preserving typed geps. 
Now that the ARC optimizer does not rely on stripCasts I also added
unchecked_trivial_bit_cast to stripCasts.

This and r21164 give the following speedups > 10%:

Ary      55.95%
MatMul   36.71%
Ary2     34.97%
Richard  32.08%
PrimeNum 15.87%

<rdar://problem/17456455>

Swift SVN r21240
 2014-08-15 22:47:57 +00:00
Mark Lacey
ab3e8aac22 Make SILValue::stripCasts see through UncheckedRefBitCastInst. 
The ARC optimizer had a wrapper that handled this, but other uses of
SILValue::stripCasts could benefit as well.

Swift SVN r21153
 2014-08-12 19:00:45 +00:00
Joe Groff
7d274e28a7 SIL: Add an unchecked_addr_cast instruction. 
Cast an address to another address type without the silly address_to_pointer/pointer_to_address round trip.

Swift SVN r16743
 2014-04-24 04:14:48 +00:00
Joe Groff
68f942117a SIL: Squash 'ref_to_native_object' and 'native_object_to_ref' into one 'unchecked_ref_cast' insn. 
An unsafe cast from a base to a derived class isn't really all that different from one from Builtin.NativeObject to an arbitrary class, so relax this pair of instructions to allow an arbitrary bitcast. This only combines the instructions; it doesn't attempt to simplify any codegen that was emitting round-trip casts before yet.

Swift SVN r16736
 2014-04-24 03:10:53 +00:00
John McCall
8681963bcb A couple of long-overdue renames. 
Builtin.ObjectPointer -> Builtin.NativeObject
Builtin.ObjCPointer -> Builtin.UnknownObject

Swift SVN r16634
 2014-04-22 00:17:08 +00:00
Mark Lacey
679077305f Revert "Assert rather than going into an infinite loop." 
This reverts r16307, which is not really useful with r16303 in place.

Swift SVN r16336
 2014-04-14 22:13:18 +00:00
Mark Lacey
570a158679 Assert rather than going into an infinite loop. 
Swift SVN r16307
 2014-04-14 07:57:39 +00:00
Joe Groff
855ea99063 SIL: Combine 'archetype_ref_to_super' and 'upcast'. 
We were wantonly applying 'upcast' to archetypes in some cases, and really, that's OK, since these instructions do the same thing (and generic specialization could turn archetype_ref_to_super into upcast). Make everyone's life easier by folding archetype_to_super into upcast. Fixes <rdar://problem/16192324>.

Swift SVN r14496
 2014-02-28 04:33:18 +00:00
Michael Gottesman
0f287562de There are more than a few methods in SIL.cpp for SILValue. Refactor SILValue's implementations into its own file SILValue.cpp. 
Swift SVN r13445
 2014-02-04 20:25:49 +00:00