Commit Graph

40961 Commits

Author SHA1 Message Date
Owen Anderson
9d5b416240 Add support for fast isel of inttoptr and ptrtoint in the cases where truncation is not needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55399 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-27 00:31:01 +00:00
Owen Anderson
d0533c9998 Factor out a large amoutn of the cast handling code in fast isel into helper methods.
This simultaneously makes the code simpler and adds support for sext as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55398 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 23:46:32 +00:00
Dan Gohman
4b6e7069c3 Add a MachineInstrBuilder method for adding floating-point
immediate operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55397 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 23:19:23 +00:00
Owen Anderson
97e2568f46 Add support for fast isel of zext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55396 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 23:14:49 +00:00
Gabor Greif
99a6cb92d1 disallow direct access to SDValue::ResNo, provide a getter instead
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55394 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 22:36:50 +00:00
Owen Anderson
13269335a5 Add support for fptosi of constants in fast isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55393 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 22:34:28 +00:00
Owen Anderson
516eb1c139 Put a heuristic in place to prevent GVN from falling into bad cases with massively complicated CFGs.
This speeds up a particular testcase from 12+ hours to 5 seconds with little perceptible loss of quality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55391 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 22:07:42 +00:00
Dan Gohman
3200d92947 Optimize SelectionDAG's topological sort to use one pass instead
of two, and to not need a scratch std::vector. Also, use the
SelectionDAG's topological sort in LegalizeDAG instead of having
a separate implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55389 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 21:42:18 +00:00
Dan Gohman
763d89343b Refactor the bitcast code into its own function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55387 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 21:28:54 +00:00
Dan Gohman
72d63af3f7 Refactor a bunch of FastISelEmitter code into a helper class, and
put each major step in a separate function. This makes the high
level sequence of events easier to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55385 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 21:21:20 +00:00
Dan Gohman
80bc6e2243 Make FastISel use the correct argument type when casting GEP indices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55384 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 20:57:08 +00:00
Dan Gohman
b71fea248f Don't select binary instructions with illegal types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55383 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 20:52:40 +00:00
Owen Anderson
a843b8d391 Add support for fast isel of sitofp, and remove some unnecessary and imprecise legality checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55381 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 20:37:00 +00:00
Cedric Venet
c93457053c - small bug corrected: incorrect iterator type.
- fix to please VS: add a return after an assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55380 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 19:49:04 +00:00
Owen Anderson
77a218765a Use a combination of copyRegToReg and ISD::BIT_CONVERT when doing fast isel of bitcasts,
allowing it to support the full range of conversions people might ask for in a correct manner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55378 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 18:51:24 +00:00
Owen Anderson
a317767f0e These assertions should be return false's instead, allowing the client to detect the failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55377 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 18:50:40 +00:00
Owen Anderson
70647e81e3 We need to check that the return type is correct, even in cases where we don't
have a return type that differs from the operand types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55376 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 18:50:00 +00:00
Owen Anderson
940f83e772 Make TargetInstrInfo::copyRegToReg return a bool indicating whether the copy requested
was inserted or not.  This allows bitcast in fast isel to properly handle the case
where an appropriate reg-to-reg copy is not available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55375 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 18:03:31 +00:00
Devang Patel
a0b3909d43 If IV is used in a int-to-float cast inside the loop then try to eliminate the cast operation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55374 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 17:57:54 +00:00
Owen Anderson
46aa2f5aab Add support for fast isel of non-constant fptosi instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55373 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 17:44:42 +00:00
Gabor Greif
231fe70541 fix doxygen comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55372 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 17:44:40 +00:00
Ted Kremenek
4ac67ef47a Grammar fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 16:41:15 +00:00
Ted Kremenek
3d4866e683 Added "str()" method to raw_string_ostream.
str() mirrors the same method in std::ostringstream.
str() flushes the buffered stream contents to string and returns a reference to the string.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55370 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 16:34:01 +00:00
Chris Lattner
9783d62422 code simplification, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55363 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 07:01:28 +00:00
Chris Lattner
073ff02e0d stabilize more printing, this doesn't cause a problem
in the example attached to PR2590, but is a problem in general.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55361 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 06:50:46 +00:00
Chris Lattner
943c0e6fba stablize SubRegsSet printing, part of PR2590
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55360 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 06:49:06 +00:00
Chris Lattner
690d80eefe Stabilize 'getDwarfRegNumFull' output to not depend on random memory
orders, part of PR2590


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55359 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 06:43:25 +00:00
Chris Lattner
6ba50a9252 If an xmm register is referenced explicitly in an inline asm, make sure to
assign it to a version of the xmm register with the regclass that matches its
type.  This fixes PR2715, a bug handling some crazy xpcom case in mozilla.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55358 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 06:19:02 +00:00
Chris Lattner
09c5d8baa2 typo fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55355 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 06:07:47 +00:00
Dan Gohman
1146728bfa Actually recycle SDNode allocations. SelectionDAG is using
RecyclingAllocator, but this change is needed for the nodes
to actually be recycled. This cuts SelectionDAG's memory
usage high-water-mark in half in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55351 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 01:44:34 +00:00
Dan Gohman
b6e3d6ce70 Avoid a warning about isTargetNullPtr being unused in release builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55350 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 01:38:29 +00:00
Owen Anderson
abb1f16881 Throw the switch to allow FastISel to emit instructions whose return types different from their inputs. Next step: adding lowering pattens in FastISel that actually use these newly available opcodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 01:22:59 +00:00
Evan Cheng
b09c25ebf0 This is done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55348 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 01:13:44 +00:00
Owen Anderson
71669e51e5 Enhance TableGen to emit code for FastISel of opcodes with variadic return types without slowing down opcodes that are not variadic. No such opcodes are currently generated, but in theory it should be a matter of just hitting the switch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55347 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-26 00:42:26 +00:00
Owen Anderson
0f84e4e310 Add a RetVT parameter to emitted FastISel methods, so that we will be able to pass the desired return
type down.  This is not currently used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55345 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 23:58:18 +00:00
Owen Anderson
7b2e579546 Deepen the map structure tablegen uses to compute FastISel patterns, in preparation for having patterns
with return types that differ from their input types.  This is not yet used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 23:43:09 +00:00
Dale Johannesen
bdab93a2ef Implement 32 & 64 bit versions of PPC atomic
binary primitives.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55343 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 22:34:37 +00:00
Evan Cheng
b41aec5476 Unbreak build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55342 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 22:20:39 +00:00
Evan Cheng
bdf7b5da47 80 col. violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55341 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 21:58:43 +00:00
Owen Anderson
d894f1d274 Expand bitcast support in fast isel to support bitcasts of non-constant values by emitting reg-reg copies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55340 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 21:32:34 +00:00
Evan Cheng
ab6c3bb44d Try approach to moving call address load inside of callseq_start. Now it's done during the preprocess of x86 isel. callseq_start's chain is changed to load's chain node; while load's chain is the last of callseq_start or the loads or copytoreg nodes inserted to move arguments to the right spot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55338 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 21:27:18 +00:00
Dale Johannesen
140a8bb006 Remove PPC-specific lowering for atomics; the
generic stuff works fine.

Mark rewritten cmp-and-swap as not using CR1.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55336 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 21:09:52 +00:00
Owen Anderson
6d0c25ec3a Add support for fast isel of (integer) immediate materialization pattens, and use them to support
bitcast of constants in fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55325 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 20:20:32 +00:00
Dale Johannesen
8bb2ef4760 Adjust grep's for new code sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55320 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 18:53:58 +00:00
Dale Johannesen
65e3973dff It's important for the cmp-and-swap to balance
loads and stores but it's even more important for
it to store the right value.:(



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55319 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 18:53:26 +00:00
Bill Wendling
cb3c51a4ae Nevermind. This broke the bootstrap (?!).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55318 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 18:32:39 +00:00
Bill Wendling
51e05e7a99 MOVQ2DQ and MOVQ2DQ use SSE2. We should conditionalize the use of these
instructions on having SSE2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55317 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 18:20:52 +00:00
Chris Lattner
7059e530ed Fix pasto (values -> types) noticed by Josh Conner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 17:03:15 +00:00
Chris Lattner
3518175d42 flush stream after dumping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55301 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 04:55:46 +00:00
Evan Cheng
e7321441ac Fix asm printing of MOVSDto64mr and MOV64toSDrm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55300 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-25 04:11:42 +00:00