5f57bc2247
Add a helper method that will be used to support EXTRACT_SUBREG for selecting trunc's in fast-isel.
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llvm-svn: 55439
2008-08-27 22:30:02 +00:00
76105a4a4f
Make "movdq2q" and "movq2dq" dependent upon having SSE2 because they use the
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SSE2 registers as well as the MMX registers.
llvm-svn: 55436
2008-08-27 21:32:04 +00:00
25b4cad510
Put file scoped constants in an anonymous namespace. Use the "using namespace
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llvm" for consistency.
llvm-svn: 55435
2008-08-27 21:10:13 +00:00
f016b263e2
Move the check whether it's worth remating to caller.
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llvm-svn: 55434
2008-08-27 20:58:54 +00:00
d6adbb6a0f
Do not apply the transformation if the target does not support DestTy natively.
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llvm-svn: 55433
2008-08-27 20:55:23 +00:00
d3a1b46aad
Backout 55429
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llvm-svn: 55432
2008-08-27 20:51:49 +00:00
61cfa3095d
Fix FastISel's bitcast code for the case where getRegForValue fails.
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llvm-svn: 55431
2008-08-27 20:41:38 +00:00
57dc078570
Refactor isSafeToReMat out of 2addr pass.
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llvm-svn: 55430
2008-08-27 20:33:50 +00:00
fdef44d7c4
Add facility to create a target.
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llvm-svn: 55429
2008-08-27 20:00:27 +00:00
90609850b2
Use TargetLowering to get the types in fast isel, which handles pointer types correctly for our purposes.
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llvm-svn: 55428
2008-08-27 18:58:30 +00:00
d01789be23
Don't check TLI.getOperationAction. The FastISel way is to
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just try to do the action and let the tablegen-generated code
determine if there is target-support for an operation.
llvm-svn: 55427
2008-08-27 18:15:05 +00:00
b0b5a27438
Add a new FastISel method, getRegForValue, which takes care of
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the details of materializing constants and other values into
registers, and make use of it in several places.
llvm-svn: 55426
2008-08-27 18:10:19 +00:00
f2a6c1579f
Add a comment about the current floating-point constant code in FastISel.
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llvm-svn: 55425
2008-08-27 18:01:42 +00:00
cf7ca5d0ba
Fix typos and whitespaces. Other cosmetic changes based on feedback.
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llvm-svn: 55424
2008-08-27 17:50:18 +00:00
81e23091d9
Minor cleanup.
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llvm-svn: 55423
2008-08-27 17:36:58 +00:00
7f2777e8d2
Reinstate the x86-64 portion of r55190. When doing extloads into
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64-bit registers from 16-bit and smaller memory locations, prefer
instructions that define the entire 64-bit register, to avoid
partial-register updates.
llvm-svn: 55422
2008-08-27 17:33:15 +00:00
3a3a52de58
Optimize ScheduleDAGRRList's topological sort to use one pass instead
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of two, and to not need a scratch std::vector. Also, compute the ordering
immediately in the result array, instead of in another scratch std::vector
that is copied to the result array.
llvm-svn: 55421
2008-08-27 16:29:48 +00:00
9cbdedcbcf
Optimize ScheduleDAG's ComputeDepths and ComputeHeights to not need
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a scratch std::vector.
llvm-svn: 55420
2008-08-27 16:27:25 +00:00
a5b15bd09b
Remove the std::ostream form of PseudoSourceValue's print,
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which isn't needed anymore.
llvm-svn: 55419
2008-08-27 16:19:44 +00:00
6d153b02c9
Update a comment to reflect recent changes.
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llvm-svn: 55418
2008-08-27 16:18:22 +00:00
539f74c87d
Unbreak PseudoSourceValue::print. This fixes -print-machine-instrs
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and various other things.
llvm-svn: 55415
2008-08-27 15:24:43 +00:00
6d618724b5
Diagnose uses of unsized types with the byval attribute in the
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verifier. See PR2711 for details.
llvm-svn: 55414
2008-08-27 14:48:06 +00:00
4051bf47ec
Update wording, as aggregates are now first-class.
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llvm-svn: 55413
2008-08-27 14:44:57 +00:00
183edfdd86
Add DebugInfoBuilder. Patch by Talin!
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llvm-svn: 55409
2008-08-27 06:51:14 +00:00
5ca269e684
Basic FastISel support for floating-point constants.
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llvm-svn: 55401
2008-08-27 01:09:54 +00:00
54aff7bb23
Fix handling of inttoptr and ptrtoint when unhandled operands are present.
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llvm-svn: 55400
2008-08-27 00:35:37 +00:00
140549256f
Add support for fast isel of inttoptr and ptrtoint in the cases where truncation is not needed.
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llvm-svn: 55399
2008-08-27 00:31:01 +00:00
ca1711a5b5
Factor out a large amoutn of the cast handling code in fast isel into helper methods.
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This simultaneously makes the code simpler and adds support for sext as well.
llvm-svn: 55398
2008-08-26 23:46:32 +00:00
abb6a0b773
Add a MachineInstrBuilder method for adding floating-point
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immediate operands.
llvm-svn: 55397
2008-08-26 23:19:23 +00:00
343310a715
Add support for fast isel of zext.
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llvm-svn: 55396
2008-08-26 23:14:49 +00:00
abfdf928d8
disallow direct access to SDValue::ResNo, provide a getter instead
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llvm-svn: 55394
2008-08-26 22:36:50 +00:00
655c1dc63d
Add support for fptosi of constants in fast isel.
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llvm-svn: 55393
2008-08-26 22:34:28 +00:00
b39e0decf8
Put a heuristic in place to prevent GVN from falling into bad cases with massively complicated CFGs.
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This speeds up a particular testcase from 12+ hours to 5 seconds with little perceptible loss of quality.
llvm-svn: 55391
2008-08-26 22:07:42 +00:00
d56f73f2f2
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.
llvm-svn: 55389
2008-08-26 21:42:18 +00:00
6fda9208d9
Refactor the bitcast code into its own function.
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llvm-svn: 55387
2008-08-26 21:28:54 +00:00
44003cc354
Refactor a bunch of FastISelEmitter code into a helper class, and
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put each major step in a separate function. This makes the high
level sequence of events easier to follow.
llvm-svn: 55385
2008-08-26 21:21:20 +00:00
b5e04bfb18
Make FastISel use the correct argument type when casting GEP indices.
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llvm-svn: 55384
2008-08-26 20:57:08 +00:00
3bcbbece19
Don't select binary instructions with illegal types.
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llvm-svn: 55383
2008-08-26 20:52:40 +00:00
3c4dc434ee
Add support for fast isel of sitofp, and remove some unnecessary and imprecise legality checks.
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llvm-svn: 55381
2008-08-26 20:37:00 +00:00
cf7154b2d6
- small bug corrected: incorrect iterator type.
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- fix to please VS: add a return after an assert.
llvm-svn: 55380
2008-08-26 19:49:04 +00:00
e0ac9765b2
Use a combination of copyRegToReg and ISD::BIT_CONVERT when doing fast isel of bitcasts,
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allowing it to support the full range of conversions people might ask for in a correct manner.
llvm-svn: 55378
2008-08-26 18:51:24 +00:00
42ccd39689
These assertions should be return false's instead, allowing the client to detect the failure.
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llvm-svn: 55377
2008-08-26 18:50:40 +00:00
3ea3efec44
We need to check that the return type is correct, even in cases where we don't
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have a return type that differs from the operand types.
llvm-svn: 55376
2008-08-26 18:50:00 +00:00
27fb3dcbc7
Make TargetInstrInfo::copyRegToReg return a bool indicating whether the copy requested
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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.
llvm-svn: 55375
2008-08-26 18:03:31 +00:00
4310d39844
If IV is used in a int-to-float cast inside the loop then try to eliminate the cast operation.
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llvm-svn: 55374
2008-08-26 17:57:54 +00:00
bf05ebaccf
Add support for fast isel of non-constant fptosi instructions.
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llvm-svn: 55373
2008-08-26 17:44:42 +00:00
b4a173e92f
fix doxygen comment
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llvm-svn: 55372
2008-08-26 17:44:40 +00:00
31707c0edf
Grammar fix.
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llvm-svn: 55371
2008-08-26 16:41:15 +00:00
2e75d8aed0
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.
llvm-svn: 55370
2008-08-26 16:34:01 +00:00
491a930ea3
code simplification, no functionality change.
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llvm-svn: 55363
2008-08-26 07:01:28 +00:00
Owen Anderson