26a484852e
Code generation for 'fence' instruction.
...
llvm-svn: 136283
2011-07-27 22:21:52 +00:00
456b1edd0d
Revert r136156, which broke several buildbots.
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llvm-svn: 136206
2011-07-27 01:10:27 +00:00
9eb62cd159
Delete unnecessarily cautious LastCALLSEQ code.
...
llvm-svn: 136156
2011-07-26 22:00:59 +00:00
229907cd11
land David Blaikie's patch to de-constify Type, with a few tweaks.
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llvm-svn: 135375
2011-07-18 04:54:35 +00:00
945864d6dc
LegalizeDAG doesn't need its own copy of this enum.
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llvm-svn: 135320
2011-07-15 22:51:43 +00:00
e49e74261a
Delete LegalizeDAG's own version of isTypeLegal and getTypeAction
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and just use the ones from TargetLowering directly.
llvm-svn: 135318
2011-07-15 22:39:09 +00:00
8c5ca645ce
Delete an unused variable and a redundant assert.
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llvm-svn: 135311
2011-07-15 22:19:02 +00:00
ad94608b1f
Modernize comments.
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llvm-svn: 135305
2011-07-15 21:42:20 +00:00
f03fa189ca
Add an intrinsic and codegen support for fused multiply-accumulate. The intent
...
is to use this for architectures that have a native FMA instruction.
llvm-svn: 134742
2011-07-08 21:39:21 +00:00
10193c830b
Add a testcase for checking the integer-promotion of many different vector
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types (with power of two types such as 8,16,32 .. 512).
Fix a bug in the integer promotion of bitcast nodes. Enable integer expanding
only if the target of the conversion is an integer (when the type action is
scalarize).
Add handling to the legalization of vector load/store in cases where the saved
vector is integer-promoted.
llvm-svn: 132985
2011-06-14 08:11:52 +00:00
a9effb13dd
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
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code in one place. Re-apply 131534 and fix the multi-step promotion of integers.
llvm-svn: 132217
2011-05-27 21:03:13 +00:00
3d9407f4eb
Revert commit 131534 since it seems to have broken several buildbots.
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Original log entry:
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.
llvm-svn: 131536
2011-05-18 14:57:56 +00:00
c5c27ede55
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
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code in one place.
llvm-svn: 131534
2011-05-18 12:26:38 +00:00
abffc991dc
Misc. code cleanups.
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llvm-svn: 131497
2011-05-17 22:22:52 +00:00
d282f46c6b
Delete unused variables.
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llvm-svn: 131430
2011-05-16 22:19:54 +00:00
d4d12d14b5
Trim #includes.
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llvm-svn: 131429
2011-05-16 22:14:50 +00:00
ae9b1685a8
Fix whitespace and 80-column violations.
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llvm-svn: 131428
2011-05-16 22:09:53 +00:00
aa02c0847d
Since I can't reproduce the failures from 131261, re-trying with a
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simplified version. <rdar://problem/9298790>
llvm-svn: 131274
2011-05-13 00:51:54 +00:00
8d57d8ea64
Revert 131266 and 131261 due to buildbot complaints.
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rdar://problem/9298790
llvm-svn: 131269
2011-05-13 00:15:17 +00:00
89f1b47e3a
Non-fast-isel followup to 129634; correctly handle branches controlled
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by non-CMP expressions. The executable test case (129821) would test
this as well, if we had an "-O0 -disable-arm-fast-isel" LLVM-GCC
tester. Alas, the ARM assembly would be very difficult to check with
FileCheck.
The thumb2-cbnz.ll test is affected; it generates larger code (tst.w
vs. cmp #0 ), but I believe the new version is correct.
rdar://problem/9298790
llvm-svn: 131261
2011-05-12 23:36:41 +00:00
999fa3bf1f
Correctly walk through nested and adjacent CALLSEQ_START nodes. No
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test case; I've only seen this on a release branch, and I can't get it
to reproduce on trunk. rdar://problem/7662569
llvm-svn: 131152
2011-05-10 21:20:03 +00:00
bcaedb5ce0
Rewrite the expander for umulo/smulo to remember to sign extend the input
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manually and pass all (now) 4 arguments to the mul libcall. Add a new
ExpandLibCall for just this (copied gratuitously from type legalization).
Fixes rdar://9292577
llvm-svn: 129842
2011-04-20 01:19:45 +00:00
468086d5e1
Delete unnecessary variable. <rdar://problem/7662569>
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llvm-svn: 129796
2011-04-19 20:09:38 +00:00
0b68c1219f
Support nested CALLSEQ_BEGIN/END; necessary for ARM byval support. <rdar://problem/7662569>
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llvm-svn: 129761
2011-04-19 16:16:58 +00:00
b14ce09fca
Fix divmod libcall lowering. Convert to {S|U}DIVREM first and then expand the node to a libcall. rdar://9280991
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llvm-svn: 129633
2011-04-16 03:08:26 +00:00
0ab5e2cded
Fix a ton of comment typos found by codespell. Patch by
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Luis Felipe Strano Moraes!
llvm-svn: 129558
2011-04-15 05:18:47 +00:00
ad68c93a2d
Revert 123704; it broke threaded LLVM.
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llvm-svn: 128868
2011-04-05 00:37:28 +00:00
bd76679700
Issue libcalls __udivmod*i4 / __divmod*i4 for div / rem pairs.
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rdar://8911343
llvm-svn: 128696
2011-04-01 00:42:02 +00:00
cd526fa15e
Use the correct LHS type when determining the legalization of a shift's RHS type.
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llvm-svn: 127163
2011-03-07 18:29:47 +00:00
b2c80da4ae
Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.
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llvm-svn: 126518
2011-02-25 21:41:48 +00:00
b7ae3ccb84
Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.
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This time with a fix that avoids using invalidated DenseMap iterator.
llvm-svn: 125984
2011-02-18 22:43:42 +00:00
0a1a36dc46
Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure.
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llvm-svn: 125830
2011-02-18 04:58:10 +00:00
f922a431ee
Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.
...
llvm-svn: 125794
2011-02-17 23:33:27 +00:00
81c4306005
Swap VT and DebugLoc operands of getExtLoad() for consistency with
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other getNode() methods. Radar 9002173.
llvm-svn: 125665
2011-02-16 16:23:55 +00:00
1cec755494
Speculatively revert r124380.
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llvm-svn: 124397
2011-01-27 19:15:01 +00:00
3b266a2780
While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes.
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Take 2. This includes fix for dragonegg crash.
llvm-svn: 124380
2011-01-27 17:43:53 +00:00
fb4ee9bbde
Initialize variable to get rid of clang warning.
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llvm-svn: 124331
2011-01-26 22:21:35 +00:00
084e0628e0
Revert r124302
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llvm-svn: 124320
2011-01-26 21:12:32 +00:00
bab5e6ed0e
[AVX] Add INSERT_SUBVECTOR and support it on x86. This provides a
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default implementation for x86, going through the stack in a similr
fashion to how the codegen implements BUILD_VECTOR. Eventually this
will get matched to VINSERTF128 if AVX is available.
llvm-svn: 124307
2011-01-26 19:13:22 +00:00
a11210b1b8
While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes.
...
llvm-svn: 124302
2011-01-26 18:55:05 +00:00
b2139f655b
Use only one API at a time.
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llvm-svn: 123866
2011-01-20 01:29:23 +00:00
bb14f65672
If we can, lower the multiply part of a umulo/smulo call to a libcall
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with an invalid type then split the result and perform the overflow check
normally.
Fixes the 32-bit parts of rdar://8622122 and rdar://8774702.
llvm-svn: 123864
2011-01-20 00:29:24 +00:00
4fa832aab0
Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_END
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ranges, add legalizer support for nested calls. Necessary for ARM
byval support. Radar 7662569.
llvm-svn: 123704
2011-01-18 00:09:27 +00:00
bec03ea725
Add an assert so we don't silently miscompile ctpop for bit widths > 128.
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llvm-svn: 123549
2011-01-15 21:19:37 +00:00
fff2517edc
Reimplement CTPOP legalization with the "best" algorithm from
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http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
In a silly microbenchmark on a 65 nm core2 this is 1.5x faster than the old
code in 32 bit mode and about 2x faster in 64 bit mode. It's also a lot shorter,
especially when counting 64 bit population on a 32 bit target.
I hope this is fast enough to replace Kernighan-style counting loops even when
the input is rather sparse.
llvm-svn: 123547
2011-01-15 20:30:30 +00:00
958620dd6d
Fix r123346 to handle scalar types too.
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llvm-svn: 123352
2011-01-13 01:06:51 +00:00
6e017a1134
Apply the patch from PR8958, which allows llc to get slightly
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further on the associated testcase before aborting.
llvm-svn: 123346
2011-01-12 23:56:26 +00:00
2f93128109
Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
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llvm-svn: 123170
2011-01-10 12:39:04 +00:00
988518109d
Remove TODO, these appear to be implemented.
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llvm-svn: 122849
2011-01-04 22:31:50 +00:00
83cce8e7ab
Fix indentation, add comment.
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llvm-svn: 122345
2010-12-21 17:16:58 +00:00
8c5bfcaa29
Missing logic for nested CALLSEQ_START/END.
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llvm-svn: 122342
2010-12-21 17:07:24 +00:00
3e5fbd74ed
rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for
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something that just glues two nodes together, even if it is
sometimes used for flags.
llvm-svn: 122310
2010-12-21 02:38:05 +00:00
d2ea97cbef
Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG.
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Necessary for byval support on ARM. Radar 7662569.
llvm-svn: 121412
2010-12-09 21:25:20 +00:00
583abbc4df
PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and
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zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.
llvm-svn: 121120
2010-12-07 08:25:19 +00:00
31920b0a2a
Remove unneeded zero arrays.
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llvm-svn: 120910
2010-12-04 15:28:22 +00:00
d4b0873c06
Enable sibling call optimization of libcalls which are expanded during
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legalization time. Since at legalization time there is no mapping from
SDNode back to the corresponding LLVM instruction and the return
SDNode is target specific, this requires a target hook to check for
eligibility. Only x86 and ARM support this form of sibcall optimization
right now.
rdar://8707777
llvm-svn: 120501
2010-11-30 23:55:39 +00:00
527da1b6e2
Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.
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llvm-svn: 119990
2010-11-23 03:31:01 +00:00
bbdc5d2ef9
Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any
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setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268
llvm-svn: 116879
2010-10-19 23:27:08 +00:00
eb313a46fc
fix the default va_arg expansion (in the realignment case) to not implicitly
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truncate the stack pointer to 32-bits on a 64-bit machine.
llvm-svn: 116169
2010-10-10 18:36:26 +00:00
d8d1dcc09a
Use a more efficient lowering of uint64_t --> float that can take advantage of hardware signed integer conversion without
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having to do a double cast (uint64_t --> double --> float). This is based on the algorithm from compiler_rt's __floatundisf
for X86-64.
llvm-svn: 115634
2010-10-05 17:24:05 +00:00
676c61db0e
update a bunch of code to use the MachinePointerInfo version of getStore.
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llvm-svn: 114461
2010-09-21 18:41:36 +00:00
6963c1f789
eliminate an old SelectionDAG::getTruncStore method, propagating
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MachinePointerInfo around more.
llvm-svn: 114452
2010-09-21 17:42:31 +00:00
3d178ed4d4
propagate MachinePointerInfo through various uses of the old
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SelectionDAG::getExtLoad overload, and eliminate it.
llvm-svn: 114446
2010-09-21 17:04:51 +00:00
1ffcf527c7
continue MachinePointerInfo'izing, eliminating use of one of the old
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getLoad overloads.
llvm-svn: 114443
2010-09-21 16:36:31 +00:00
a35499e2af
a few more trivial updates. This fixes PerformInsertVectorEltInMemory to not
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pass a completely incorrect SrcValue, which would result in a miscompile with
combiner-aa.
llvm-svn: 114411
2010-09-21 07:32:19 +00:00
3626a8c136
Add a missing check when legalizing a vector extending load. This doesn't
...
solve the root problem, but it corrects the bug in the code I added to
support legalizing in the case where the non-extended type is also legal.
llvm-svn: 112997
2010-09-03 19:20:37 +00:00
af23e9a798
Add a hackaround for PR7993 which is causing failures on x86 builders that lack sse2.
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llvm-svn: 112175
2010-08-26 06:57:07 +00:00
8df99b523e
remove some llvmcontext arguments that are now dead post-refactoring.
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llvm-svn: 112104
2010-08-25 23:00:45 +00:00
191c4f73b2
Fix some GCC warnings by providing a virtual destructor in the base of a class
...
hierarchy with virtual methods and using llvm_unreachable to properly indicate
unreachable states which would otherwise leave variables uninitialized.
llvm-svn: 111803
2010-08-23 08:25:07 +00:00
c56fef4eac
If the target says that an extending load is not legal, regardless of whether
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it involves specific floating-point types, legalize should expand an
extending load to a non-extending load followed by a separate extend operation.
For example, we currently expand SEXTLOAD to EXTLOAD+SIGN_EXTEND_INREG (and
assert that EXTLOAD should always be supported). Now we can expand that to
LOAD+SIGN_EXTEND. This is needed to allow vector SIGN_EXTEND and ZERO_EXTEND
to be used for NEON.
llvm-svn: 111586
2010-08-19 23:52:39 +00:00
a76eccf815
Fix va_arg for doubles. With this patch VAARG nodes always contain the
...
correct alignment information, which simplifies ExpandRes_VAARG a bit.
The patch introduces a new alignment information to TargetLoweringInfo. This is
needed since the two natural candidates cannot be used:
* The 's' in target data: If this is set to the minimal alignment of any
argument, getCallFrameTypeAlignment would return 4 for doubles on ARM for
example.
* The getTransientStackAlignment method. It is possible for an architecture to
have argument less aligned than what we maintain the stack pointer.
llvm-svn: 108072
2010-07-11 04:01:49 +00:00
1c349f18f8
Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consistency sake.
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llvm-svn: 107820
2010-07-07 22:15:37 +00:00
dc0a0659be
By default, the eh.sjlj.setjmp/longjmp intrinsics should just do nothing rather
...
than assuming a target will custom lower them. Targets which do so should
exlicitly mark them as having custom lowerings. PR7454.
llvm-svn: 107734
2010-07-06 23:44:52 +00:00
9b7755fbc6
80-column and trailing whitespace cleanup.
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llvm-svn: 107490
2010-07-02 17:41:59 +00:00
64a4f3f062
grammar tweaks
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llvm-svn: 107489
2010-07-02 17:38:34 +00:00
2041abd958
When splitting a VAARG, remember its alignment.
...
This produces terrible but correct code.
llvm-svn: 106952
2010-06-26 18:22:20 +00:00
a57c2885cf
back-end libcall handling for ATOMIC_SWAP (__sync_lock_test_and_set)
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llvm-svn: 106342
2010-06-18 23:03:10 +00:00
f5d62535a5
Fix cross initialization compilation error.
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llvm-svn: 106324
2010-06-18 22:01:37 +00:00
d64dfc1568
Add Expand-to-libcall support for additional atomics. This covers the usual
...
entries used by llvm-gcc. *_[U]MIN and such can be added later if needed.
This enables the front ends to simplify handling of the atomic intrinsics by
removing the target-specific decision about which targets can handle the
intrinsics.
llvm-svn: 106321
2010-06-18 21:43:38 +00:00
92c11acdb8
Change UpdateNodeOperands' operand and return value from SDValue to
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SDNode *, since it doesn't care about the ResNo value.
llvm-svn: 106282
2010-06-18 15:30:29 +00:00
35b6f9a929
isValueValidForType can be a static member function.
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llvm-svn: 106278
2010-06-18 14:01:07 +00:00
0ed5b460dc
add missing break. inconsequential as the code shouldn't be reached, but
...
for correctness' sake, it should be there.
llvm-svn: 106229
2010-06-17 17:58:54 +00:00
3aeae8aeeb
Add entries for Expanding atomic intrinsics to libcalls. Just a placeholder
...
for the moment. The implementation of the libcall will follow.
Currently, the llvm-gcc knows when the intrinsics can be correctly handled by
the back end and only generates them in those cases, issuing libcalls directly
otherwise. That's too much coupling. The intrinsics should always be
generated and the back end decide how to handle them, be it with a libcall,
inline code, or whatever. This patch is a step in that direction.
rdar://8097623
llvm-svn: 106227
2010-06-17 17:50:54 +00:00
ba451e80dc
ISD::MEMBARRIER should lower to a libcall (__sync_synchronize) if the target
...
sets the legalize action to Expand.
llvm-svn: 106203
2010-06-17 02:00:53 +00:00
faa3abbe39
Update the saved stack pointer in the sjlj function context following either
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an alloca() or an llvm.stackrestore(). rdar://8031573
llvm-svn: 104900
2010-05-27 23:49:24 +00:00
6a1bfd282b
When expanding a vector_shuffle, the element type may not be legal and may
...
need to be promoted. The BUILD_VECTOR and EXTRACT_VECTOR_ELT nodes generated
here already allow the promoted type to be used without further changes, so
just do the promotion. This fixes part of pr7167.
llvm-svn: 104141
2010-05-19 18:48:32 +00:00
1ae94b9394
Implement a correct ui64->f32 conversion. The old
...
one was subject to double rounding in extreme cases.
llvm-svn: 103744
2010-05-13 23:50:42 +00:00
9132c59d43
Trim #includes and forward declarations.
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llvm-svn: 103489
2010-05-11 19:11:43 +00:00
c334960f16
Code that needs a TargetMachine should have access to one directly, rather
...
than just getting one through a TargetLowering.
llvm-svn: 101802
2010-04-19 19:05:59 +00:00
21cea8ac2e
Use const qualifiers with TargetLowering. This eliminates several
...
const_casts, and it reinforces the design of the Target classes being
immutable.
SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.
And PIC16's AsmPrinter no longer uses TargetLowering.
llvm-svn: 101635
2010-04-17 15:26:15 +00:00
87b4f7c1aa
More 80 violations.
...
llvm-svn: 101330
2010-04-15 01:25:27 +00:00
cd92718a0f
use assertions instead of unreachable for logic errors.
...
llvm-svn: 100724
2010-04-07 23:47:51 +00:00
2104b8d36e
rename llvm::llvm_report_error -> llvm::report_fatal_error
...
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
f5d0636850
trim some spurious references to DwarfWriter. SDIsel really doesn't
...
need it anymore, so don't addRequire it.
llvm-svn: 100400
2010-04-05 04:09:20 +00:00
64578d5599
Get rid of target-specific nodes for fp16 <-> fp32 conversion.
...
llvm-svn: 98888
2010-03-18 22:35:37 +00:00
59e96008bd
Make default expansion for FP16 <-> FP32 nodes into libcalls
...
llvm-svn: 98501
2010-03-14 18:42:24 +00:00
4c55f76936
Fix PR6522: implement copysign expansion for x86 long double
...
(it seems that FreeBSD doesn't have copysignl). Done by
removing a bunch of assumptions from the code. This may also
help with sparc 128 bit floats.
llvm-svn: 98346
2010-03-12 11:45:06 +00:00
14e450f595
Reapply r97778 and r97779, enabled only for unsigned i64 to f64
...
conversions.
llvm-svn: 97854
2010-03-06 00:00:55 +00:00
998c7c2614
Revert r97778 and r97779. They're somehow breaking llvm-gcc builds.
...
llvm-svn: 97781
2010-03-05 02:40:23 +00:00
ba9eb0bf2e
Fix these constants to be more portable.
...
llvm-svn: 97779
2010-03-05 02:13:10 +00:00
Eli Friedman