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1205 Commits

Author SHA1 Message Date
Dan Gohman
ae9b1685a8 Fix whitespace and 80-column violations. 
llvm-svn: 131428
 2011-05-16 22:09:53 +00:00
Stuart Hastings
aa02c0847d Since I can't reproduce the failures from 131261, re-trying with a 
simplified version.  <rdar://problem/9298790>

llvm-svn: 131274
 2011-05-13 00:51:54 +00:00
Stuart Hastings
8d57d8ea64 Revert 131266 and 131261 due to buildbot complaints. 
rdar://problem/9298790

llvm-svn: 131269
 2011-05-13 00:15:17 +00:00
Stuart Hastings
89f1b47e3a Non-fast-isel followup to 129634; correctly handle branches controlled 
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
Stuart Hastings
999fa3bf1f Correctly walk through nested and adjacent CALLSEQ_START nodes. No 
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
Eric Christopher
bcaedb5ce0 Rewrite the expander for umulo/smulo to remember to sign extend the input 
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
Stuart Hastings
468086d5e1 Delete unnecessary variable. <rdar://problem/7662569> 
llvm-svn: 129796
 2011-04-19 20:09:38 +00:00
Stuart Hastings
0b68c1219f Support nested CALLSEQ_BEGIN/END; necessary for ARM byval support. <rdar://problem/7662569> 
llvm-svn: 129761
 2011-04-19 16:16:58 +00:00
Evan Cheng
b14ce09fca Fix divmod libcall lowering. Convert to {S|U}DIVREM first and then expand the node to a libcall. rdar://9280991 
llvm-svn: 129633
 2011-04-16 03:08:26 +00:00
Chris Lattner
0ab5e2cded Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
Stuart Hastings
ad68c93a2d Revert 123704; it broke threaded LLVM. 
llvm-svn: 128868
 2011-04-05 00:37:28 +00:00
Evan Cheng
bd76679700 Issue libcalls __udivmod*i4 / __divmod*i4 for div / rem pairs. 
rdar://8911343

llvm-svn: 128696
 2011-04-01 00:42:02 +00:00
Owen Anderson
cd526fa15e Use the correct LHS type when determining the legalization of a shift's RHS type. 
llvm-svn: 127163
 2011-03-07 18:29:47 +00:00
Owen Anderson
b2c80da4ae Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
llvm-svn: 126518
 2011-02-25 21:41:48 +00:00
Devang Patel
b7ae3ccb84 Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
This time with a fix that avoids using invalidated DenseMap iterator.

llvm-svn: 125984
 2011-02-18 22:43:42 +00:00
Cameron Zwarich
0a1a36dc46 Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure. 
llvm-svn: 125830
 2011-02-18 04:58:10 +00:00
Devang Patel
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
Stuart Hastings
81c4306005 Swap VT and DebugLoc operands of getExtLoad() for consistency with 
other getNode() methods.  Radar 9002173.

llvm-svn: 125665
 2011-02-16 16:23:55 +00:00
Devang Patel
1cec755494 Speculatively revert r124380. 
llvm-svn: 124397
 2011-01-27 19:15:01 +00:00
Devang Patel
3b266a2780 While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes. 
Take 2. This includes fix for dragonegg crash.

llvm-svn: 124380
 2011-01-27 17:43:53 +00:00
Bill Wendling
fb4ee9bbde Initialize variable to get rid of clang warning. 
llvm-svn: 124331
 2011-01-26 22:21:35 +00:00
Devang Patel
084e0628e0 Revert r124302 
llvm-svn: 124320
 2011-01-26 21:12:32 +00:00
David Greene
bab5e6ed0e [AVX] Add INSERT_SUBVECTOR and support it on x86. This provides a 
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
Devang Patel
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
Eric Christopher
b2139f655b Use only one API at a time. 
llvm-svn: 123866
 2011-01-20 01:29:23 +00:00
Eric Christopher
bb14f65672 If we can, lower the multiply part of a umulo/smulo call to a libcall 
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
Stuart Hastings
4fa832aab0 Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_END 
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
Benjamin Kramer
bec03ea725 Add an assert so we don't silently miscompile ctpop for bit widths > 128. 
llvm-svn: 123549
 2011-01-15 21:19:37 +00:00
Benjamin Kramer
fff2517edc Reimplement CTPOP legalization with the "best" algorithm from 
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
Dan Gohman
958620dd6d Fix r123346 to handle scalar types too. 
llvm-svn: 123352
 2011-01-13 01:06:51 +00:00
Dan Gohman
6e017a1134 Apply the patch from PR8958, which allows llc to get slightly 
further on the associated testcase before aborting.

llvm-svn: 123346
 2011-01-12 23:56:26 +00:00
Anton Korobeynikov
2f93128109 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
llvm-svn: 123170
 2011-01-10 12:39:04 +00:00
Eric Christopher
988518109d Remove TODO, these appear to be implemented. 
llvm-svn: 122849
 2011-01-04 22:31:50 +00:00
Stuart Hastings
83cce8e7ab Fix indentation, add comment. 
llvm-svn: 122345
 2010-12-21 17:16:58 +00:00
Stuart Hastings
8c5bfcaa29 Missing logic for nested CALLSEQ_START/END. 
llvm-svn: 122342
 2010-12-21 17:07:24 +00:00
Chris Lattner
3e5fbd74ed rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for 
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
Stuart Hastings
d2ea97cbef Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG. 
Necessary for byval support on ARM.  Radar 7662569.

llvm-svn: 121412
 2010-12-09 21:25:20 +00:00
Jay Foad
583abbc4df PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
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
Benjamin Kramer
31920b0a2a Remove unneeded zero arrays. 
llvm-svn: 120910
 2010-12-04 15:28:22 +00:00
Evan Cheng
d4b0873c06 Enable sibling call optimization of libcalls which are expanded during 
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
Wesley Peck
527da1b6e2 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
llvm-svn: 119990
 2010-11-23 03:31:01 +00:00
Jim Grosbach
bbdc5d2ef9 Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any 
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
Chris Lattner
eb313a46fc fix the default va_arg expansion (in the realignment case) to not implicitly 
truncate the stack pointer to 32-bits on a 64-bit machine.

llvm-svn: 116169
 2010-10-10 18:36:26 +00:00
Owen Anderson
d8d1dcc09a Use a more efficient lowering of uint64_t --> float that can take advantage of hardware signed integer conversion without 
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
Chris Lattner
676c61db0e update a bunch of code to use the MachinePointerInfo version of getStore. 
llvm-svn: 114461
 2010-09-21 18:41:36 +00:00
Chris Lattner
6963c1f789 eliminate an old SelectionDAG::getTruncStore method, propagating 
MachinePointerInfo around more.

llvm-svn: 114452
 2010-09-21 17:42:31 +00:00
Chris Lattner
3d178ed4d4 propagate MachinePointerInfo through various uses of the old 
SelectionDAG::getExtLoad overload, and eliminate it.

llvm-svn: 114446
 2010-09-21 17:04:51 +00:00
Chris Lattner
1ffcf527c7 continue MachinePointerInfo'izing, eliminating use of one of the old 
getLoad overloads.

llvm-svn: 114443
 2010-09-21 16:36:31 +00:00
Chris Lattner
a35499e2af a few more trivial updates. This fixes PerformInsertVectorEltInMemory to not 
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
Bob Wilson
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