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1070 Commits

Author SHA1 Message Date
Dan Gohman
b6e8617481 Revert r136156, which broke several buildbots. 
llvm-svn: 136206
 2011-07-27 01:10:27 +00:00
Dan Gohman
709e6c8722 Delete unnecessarily cautious LastCALLSEQ code. 
llvm-svn: 136156
 2011-07-26 22:00:59 +00:00
Chris Lattner
e1fe7061ce land David Blaikie's patch to de-constify Type, with a few tweaks. 
llvm-svn: 135375
 2011-07-18 04:54:35 +00:00
Dan Gohman
8e056f4a49 LegalizeDAG doesn't need its own copy of this enum. 
llvm-svn: 135320
 2011-07-15 22:51:43 +00:00
Dan Gohman
a44add3a49 Delete LegalizeDAG's own version of isTypeLegal and getTypeAction 
and just use the ones from TargetLowering directly.

llvm-svn: 135318
 2011-07-15 22:39:09 +00:00
Dan Gohman
f41cbc8222 Delete an unused variable and a redundant assert. 
llvm-svn: 135311
 2011-07-15 22:19:02 +00:00
Dan Gohman
038295aff9 Modernize comments. 
llvm-svn: 135305
 2011-07-15 21:42:20 +00:00
Cameron Zwarich
c23366d357 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
Nadav Rotem
1b92c3d96c Add a testcase for checking the integer-promotion of many different vector 
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
Nadav Rotem
531aa71d22 Refactor getActionType and getTypeToTransformTo ; place all of the 'decision' 
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
Duncan Sands
d3292b9f1e 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.

llvm-svn: 131536
 2011-05-18 14:57:56 +00:00
Nadav Rotem
b7d689c706 Refactor getActionType and getTypeToTransformTo ; place all of the 'decision' 
code in one place.

llvm-svn: 131534
 2011-05-18 12:26:38 +00:00
Dan Gohman
834a63625d Misc. code cleanups. 
llvm-svn: 131497
 2011-05-17 22:22:52 +00:00
Dan Gohman
9a55240376 Delete unused variables. 
llvm-svn: 131430
 2011-05-16 22:19:54 +00:00
Dan Gohman
9ea3bcc685 Trim #includes. 
llvm-svn: 131429
 2011-05-16 22:14:50 +00:00
Dan Gohman
2d7dc7849f Fix whitespace and 80-column violations. 
llvm-svn: 131428
 2011-05-16 22:09:53 +00:00
Stuart Hastings
5fb280fd39 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
b362a9bcc6 Revert 131266 and 131261 due to buildbot complaints. 
rdar://problem/9298790

llvm-svn: 131269
 2011-05-13 00:15:17 +00:00
Stuart Hastings
d106d72681 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
e589a29764 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
4c3c7c8211 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
89cb281cf8 Delete unnecessary variable. <rdar://problem/7662569> 
llvm-svn: 129796
 2011-04-19 20:09:38 +00:00
Stuart Hastings
f838ea4959 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
b720f37282 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
0304b82f80 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
1635b37415 Revert 123704; it broke threaded LLVM. 
llvm-svn: 128868
 2011-04-05 00:37:28 +00:00
Evan Cheng
39574b2766 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
11a49e845a 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
bd26993873 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
d63bce18da 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
f6fa19a03f 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
b6f55191b3 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
47e45a32a8 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
14eb3db47f Speculatively revert r124380. 
llvm-svn: 124397
 2011-01-27 19:15:01 +00:00
Devang Patel
6c3de04fdd 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
51d9acc25b Initialize variable to get rid of clang warning. 
llvm-svn: 124331
 2011-01-26 22:21:35 +00:00
Devang Patel
ac5d878d16 Revert r124302 
llvm-svn: 124320
 2011-01-26 21:12:32 +00:00
David Greene
5c173a307b [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
3f443cbd7b 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
58f8058502 Use only one API at a time. 
llvm-svn: 123866
 2011-01-20 01:29:23 +00:00
Eric Christopher
1b0e5debb4 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
f5f8318eb6 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
2e7ead5bb5 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
b48a048de6 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
f4ec824435 Fix r123346 to handle scalar types too. 
llvm-svn: 123352
 2011-01-13 01:06:51 +00:00
Dan Gohman
5bbd766a7b 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
cf5967630b 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
be2382f9a6 Remove TODO, these appear to be implemented. 
llvm-svn: 122849
 2011-01-04 22:31:50 +00:00
Stuart Hastings
fedc21e594 Fix indentation, add comment. 
llvm-svn: 122345
 2010-12-21 17:16:58 +00:00
Stuart Hastings
a1f786efa9 Missing logic for nested CALLSEQ_START/END. 
llvm-svn: 122342
 2010-12-21 17:07:24 +00:00