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1061 Commits

Author SHA1 Message Date
Nadav Rotem
2d6dcb34b7 Refactor getActionType and getTypeToTransformTo ; place all of the 'decision' 
code in one place. Re-apply 131534 and fix the multi-step promotion of integers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132217 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-27 21:03:13 +00:00
Duncan Sands
d6dde76090 Revert commit 131534 since it seems to have broken several buildbots. 
Original log entry:
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 14:57:56 +00:00
Nadav Rotem
fe3f5d7538 Refactor getActionType and getTypeToTransformTo ; place all of the 'decision' 
code in one place.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 12:26:38 +00:00
Dan Gohman
1b32896bd2 Misc. code cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131497 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 22:22:52 +00:00
Dan Gohman
975716af1b Delete unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131430 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 22:19:54 +00:00
Dan Gohman
b3dbd4a0b6 Trim #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131429 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 22:14:50 +00:00
Dan Gohman
f316eb7074 Fix whitespace and 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131428 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 22:09:53 +00:00
Stuart Hastings
88882247d2 Since I can't reproduce the failures from 131261, re-trying with a 
simplified version.  <rdar://problem/9298790>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-13 00:51:54 +00:00
Stuart Hastings
8ad145d729 Revert 131266 and 131261 due to buildbot complaints. 
rdar://problem/9298790


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131269 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-13 00:15:17 +00:00
Stuart Hastings
5adc646380 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131261 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-12 23:36:41 +00:00
Stuart Hastings
d673057c96 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131152 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 21:20:03 +00:00
Eric Christopher
abbbfbd672 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129842 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-20 01:19:45 +00:00
Stuart Hastings
567cac0c51 Delete unnecessary variable. <rdar://problem/7662569> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129796 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:09:38 +00:00
Stuart Hastings
fc52163a45 Support nested CALLSEQ_BEGIN/END; necessary for ARM byval support. <rdar://problem/7662569> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129761 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 16:16:58 +00:00
Evan Cheng
65279cb9bd Fix divmod libcall lowering. Convert to {S|U}DIVREM first and then expand the node to a libcall. rdar://9280991 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129633 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 03:08:26 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Stuart Hastings
1809d5fa21 Revert 123704; it broke threaded LLVM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128868 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 00:37:28 +00:00
Evan Cheng
8e23e815ad Issue libcalls __udivmod*i4 / __divmod*i4 for div / rem pairs. 
rdar://8911343


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128696 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 00:42:02 +00:00
Owen Anderson
6154f6c929 Use the correct LHS type when determining the legalization of a shift's RHS type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127163 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 18:29:47 +00:00
Owen Anderson
95771afbfd Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 21:41:48 +00:00
Devang Patel
a778f5c798 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 22:43:42 +00:00
Cameron Zwarich
1646953538 Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125830 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 04:58:10 +00:00
Devang Patel
a4defc00eb Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 23:33:27 +00:00
Stuart Hastings
a901129169 Swap VT and DebugLoc operands of getExtLoad() for consistency with 
other getNode() methods.  Radar 9002173.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 16:23:55 +00:00
Devang Patel
7e7fc1052a Speculatively revert r124380. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 19:15:01 +00:00
Devang Patel
bfae5f312c While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes. 
Take 2. This includes fix for dragonegg crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124380 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 17:43:53 +00:00
Bill Wendling
6b9a293a0c Initialize variable to get rid of clang warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124331 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 22:21:35 +00:00
Devang Patel
c47fd9fbf5 Revert r124302 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124320 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 21:12:32 +00:00
David Greene
cfe33c46aa [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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124307 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 19:13:22 +00:00
Devang Patel
d2c9793bdf While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124302 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 18:55:05 +00:00
Eric Christopher
e3385811aa Use only one API at a time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123866 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 01:29:23 +00:00
Eric Christopher
38a18261b9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123864 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 00:29:24 +00:00
Stuart Hastings
f22432282c Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_END 
ranges, add legalizer support for nested calls.  Necessary for ARM
byval support.  Radar 7662569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123704 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 00:09:27 +00:00
Benjamin Kramer
5df5a22d1a Add an assert so we don't silently miscompile ctpop for bit widths > 128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-15 21:19:37 +00:00
Benjamin Kramer
b6516aeef1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123547 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-15 20:30:30 +00:00
Dan Gohman
dd11ea4a37 Fix r123346 to handle scalar types too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123352 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 01:06:51 +00:00
Dan Gohman
b86654385a Apply the patch from PR8958, which allows llc to get slightly 
further on the associated testcase before aborting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123346 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:56:26 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Eric Christopher
2d31d14bac Remove TODO, these appear to be implemented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122849 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 22:31:50 +00:00
Stuart Hastings
56500edc7a Fix indentation, add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 17:16:58 +00:00
Stuart Hastings
2965e69e04 Missing logic for nested CALLSEQ_START/END. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 17:07:24 +00:00
Chris Lattner
f1b4eafbfe 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 02:38:05 +00:00
Stuart Hastings
a304d02791 Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG. 
Necessary for byval support on ARM.  Radar 7662569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:25:20 +00:00
Jay Foad
40f8f6264d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 08:25:19 +00:00
Benjamin Kramer
3069cbf7b3 Remove unneeded zero arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 15:28:22 +00:00
Evan Cheng
3d2125c9db 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120501 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 23:55:39 +00:00
Wesley Peck
bf17cfa3f9 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 03:31:01 +00:00
Jim Grosbach
e4ad387a5a 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116879 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 23:27:08 +00:00
Chris Lattner
07e3a38c78 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116169 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-10 18:36:26 +00:00
Owen Anderson
3a9e7690ba 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 17:24:05 +00:00